diff --git a/Cargo.lock b/Cargo.lock
index e205802..6632663 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -32,6 +32,12 @@ dependencies = [
  "alloc-no-stdlib",
 ]
 
+[[package]]
+name = "allocator-api2"
+version = "0.2.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "683d7910e743518b0e34f1186f92494becacb047c7b6bf616c96772180fef923"
+
 [[package]]
 name = "android_system_properties"
 version = "0.1.5"
@@ -140,6 +146,15 @@ dependencies = [
  "syn 2.0.114",
 ]
 
+[[package]]
+name = "atoi"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f28d99ec8bfea296261ca1af174f24225171fea9664ba9003cbebee704810528"
+dependencies = [
+ "num-traits",
+]
+
 [[package]]
 name = "atomic-waker"
 version = "1.1.2"
@@ -182,13 +197,41 @@ version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c08606f8c3cbf4ce6ec8e28fb0014a2c086708fe954eaa885384a6165172e7e8"
 
+[[package]]
+name = "axum"
+version = "0.7.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "edca88bc138befd0323b20752846e6587272d3b03b0343c8ea28a6f819e6e71f"
+dependencies = [
+ "async-trait",
+ "axum-core 0.4.5",
+ "bytes",
+ "futures-util",
+ "http 1.4.0",
+ "http-body 1.0.1",
+ "http-body-util",
+ "itoa",
+ "matchit 0.7.3",
+ "memchr",
+ "mime",
+ "percent-encoding",
+ "pin-project-lite",
+ "rustversion",
+ "serde",
+ "sync_wrapper",
+ "tower 0.5.3",
+ "tower-layer",
+ "tower-service",
+ "tracing",
+]
+
 [[package]]
 name = "axum"
 version = "0.8.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8b52af3cb4058c895d37317bb27508dccc8e5f2d39454016b297bf4a400597b8"
 dependencies = [
- "axum-core",
+ "axum-core 0.5.6",
  "axum-macros",
  "base64 0.22.1",
  "bytes",
@@ -200,7 +243,7 @@ dependencies = [
  "hyper 1.8.1",
  "hyper-util",
  "itoa",
- "matchit",
+ "matchit 0.8.4",
  "memchr",
  "mime",
  "percent-encoding",
@@ -219,6 +262,27 @@ dependencies = [
  "tracing",
 ]
 
+[[package]]
+name = "axum-core"
+version = "0.4.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09f2bd6146b97ae3359fa0cc6d6b376d9539582c7b4220f041a33ec24c226199"
+dependencies = [
+ "async-trait",
+ "bytes",
+ "futures-util",
+ "http 1.4.0",
+ "http-body 1.0.1",
+ "http-body-util",
+ "mime",
+ "pin-project-lite",
+ "rustversion",
+ "sync_wrapper",
+ "tower-layer",
+ "tower-service",
+ "tracing",
+]
+
 [[package]]
 name = "axum-core"
 version = "0.5.6"
@@ -238,6 +302,30 @@ dependencies = [
  "tracing",
 ]
 
+[[package]]
+name = "axum-extra"
+version = "0.9.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c794b30c904f0a1c2fb7740f7df7f7972dfaa14ef6f57cb6178dc63e5dca2f04"
+dependencies = [
+ "axum 0.7.9",
+ "axum-core 0.4.5",
+ "bytes",
+ "cookie",
+ "fastrand",
+ "futures-util",
+ "http 1.4.0",
+ "http-body 1.0.1",
+ "http-body-util",
+ "mime",
+ "multer",
+ "pin-project-lite",
+ "serde",
+ "tower 0.5.3",
+ "tower-layer",
+ "tower-service",
+]
+
 [[package]]
 name = "axum-macros"
 version = "0.5.0"
@@ -253,8 +341,10 @@ dependencies = [
 name = "backend"
 version = "0.1.0"
 dependencies = [
- "axum",
+ "axum 0.8.8",
+ "axum-extra",
  "base64 0.22.1",
+ "bcrypt",
  "bytes",
  "clap",
  "dotenvy",
@@ -262,10 +352,12 @@ dependencies = [
  "mime_guess",
  "openssl",
  "quick-xml",
+ "rand 0.8.5",
  "rust-embed",
  "serde",
  "serde_json",
  "shared",
+ "sqlx",
  "thiserror 2.0.18",
  "tokio",
  "tokio-stream",
@@ -309,6 +401,19 @@ version = "1.8.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2af50177e190e07a26ab74f8b1efbfe2ef87da2116221318cb1c2e82baf7de06"
 
+[[package]]
+name = "bcrypt"
+version = "0.17.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "abaf6da45c74385272ddf00e1ac074c7d8a6c1a1dda376902bd6a427522a8b2c"
+dependencies = [
+ "base64 0.22.1",
+ "blowfish",
+ "getrandom 0.3.4",
+ "subtle",
+ "zeroize",
+]
+
 [[package]]
 name = "binstring"
 version = "0.1.7"
@@ -320,6 +425,9 @@ name = "bitflags"
 version = "2.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "812e12b5285cc515a9c72a5c1d3b6d46a19dac5acfef5265968c166106e31dd3"
+dependencies = [
+ "serde_core",
+]
 
 [[package]]
 name = "block-buffer"
@@ -330,6 +438,16 @@ dependencies = [
  "generic-array",
 ]
 
+[[package]]
+name = "blowfish"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e412e2cd0f2b2d93e02543ceae7917b3c70331573df19ee046bcbc35e45e87d7"
+dependencies = [
+ "byteorder",
+ "cipher",
+]
+
 [[package]]
 name = "brotli"
 version = "8.0.2"
@@ -434,6 +552,16 @@ dependencies = [
  "half",
 ]
 
+[[package]]
+name = "cipher"
+version = "0.4.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "773f3b9af64447d2ce9850330c473515014aa235e6a783b02db81ff39e4a3dad"
+dependencies = [
+ "crypto-common",
+ "inout",
+]
+
 [[package]]
 name = "clap"
 version = "4.5.56"
@@ -516,6 +644,15 @@ version = "0.4.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "75984efb6ed102a0d42db99afb6c1948f0380d1d91808d5529916e6c08b49d8d"
 
+[[package]]
+name = "concurrent-queue"
+version = "2.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4ca0197aee26d1ae37445ee532fefce43251d24cc7c166799f4d46817f1d3973"
+dependencies = [
+ "crossbeam-utils",
+]
+
 [[package]]
 name = "config"
 version = "0.14.1"
@@ -590,6 +727,17 @@ dependencies = [
  "unicode-segmentation",
 ]
 
+[[package]]
+name = "cookie"
+version = "0.18.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4ddef33a339a91ea89fb53151bd0a4689cfce27055c291dfa69945475d22c747"
+dependencies = [
+ "percent-encoding",
+ "time",
+ "version_check",
+]
+
 [[package]]
 name = "core-foundation"
 version = "0.9.4"
@@ -615,6 +763,21 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "crc"
+version = "3.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5eb8a2a1cd12ab0d987a5d5e825195d372001a4094a0376319d5a0ad71c1ba0d"
+dependencies = [
+ "crc-catalog",
+]
+
+[[package]]
+name = "crc-catalog"
+version = "2.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "19d374276b40fb8bbdee95aef7c7fa6b5316ec764510eb64b8dd0e2ed0d7e7f5"
+
 [[package]]
 name = "crc32fast"
 version = "1.5.0"
@@ -624,6 +787,21 @@ dependencies = [
  "cfg-if",
 ]
 
+[[package]]
+name = "crossbeam-queue"
+version = "0.3.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0f58bbc28f91df819d0aa2a2c00cd19754769c2fad90579b3592b1c9ba7a3115"
+dependencies = [
+ "crossbeam-utils",
+]
+
+[[package]]
+name = "crossbeam-utils"
+version = "0.8.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d0a5c400df2834b80a4c3327b3aad3a4c4cd4de0629063962b03235697506a28"
+
 [[package]]
 name = "crunchy"
 version = "0.2.4"
@@ -721,6 +899,15 @@ dependencies = [
  "synstructure 0.12.6",
 ]
 
+[[package]]
+name = "deranged"
+version = "0.5.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ececcb659e7ba858fb4f10388c250a7252eb0a27373f1a72b8748afdd248e587"
+dependencies = [
+ "powerfmt",
+]
+
 [[package]]
 name = "derive-where"
 version = "1.6.0"
@@ -825,6 +1012,9 @@ name = "either"
 version = "1.15.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "48c757948c5ede0e46177b7add2e67155f70e33c07fea8284df6576da70b3719"
+dependencies = [
+ "serde",
+]
 
 [[package]]
 name = "elliptic-curve"
@@ -847,6 +1037,15 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "encoding_rs"
+version = "0.8.35"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "75030f3c4f45dafd7586dd6780965a8c7e8e285a5ecb86713e63a79c5b2766f3"
+dependencies = [
+ "cfg-if",
+]
+
 [[package]]
 name = "equivalent"
 version = "1.0.2"
@@ -863,6 +1062,28 @@ dependencies = [
  "windows-sys 0.61.2",
 ]
 
+[[package]]
+name = "etcetera"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "136d1b5283a1ab77bd9257427ffd09d8667ced0570b6f938942bc7568ed5b943"
+dependencies = [
+ "cfg-if",
+ "home",
+ "windows-sys 0.48.0",
+]
+
+[[package]]
+name = "event-listener"
+version = "5.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e13b66accf52311f30a0db42147dadea9850cb48cd070028831ae5f5d4b856ab"
+dependencies = [
+ "concurrent-queue",
+ "parking",
+ "pin-project-lite",
+]
+
 [[package]]
 name = "fastrand"
 version = "2.3.0"
@@ -896,12 +1117,29 @@ dependencies = [
  "zlib-rs",
 ]
 
+[[package]]
+name = "flume"
+version = "0.11.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "da0e4dd2a88388a1f4ccc7c9ce104604dab68d9f408dc34cd45823d5a9069095"
+dependencies = [
+ "futures-core",
+ "futures-sink",
+ "spin",
+]
+
 [[package]]
 name = "fnv"
 version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
 
+[[package]]
+name = "foldhash"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d9c4f5dac5e15c24eb999c26181a6ca40b39fe946cbe4c263c7209467bc83af2"
+
 [[package]]
 name = "foreign-types"
 version = "0.3.2"
@@ -992,6 +1230,17 @@ dependencies = [
  "futures-util",
 ]
 
+[[package]]
+name = "futures-intrusive"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d930c203dd0b6ff06e0201a4a2fe9149b43c684fd4420555b26d21b1a02956f"
+dependencies = [
+ "futures-core",
+ "lock_api",
+ "parking_lot",
+]
+
 [[package]]
 name = "futures-io"
 version = "0.3.31"
@@ -1172,12 +1421,32 @@ version = "0.14.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e5274423e17b7c9fc20b6e7e208532f9b19825d82dfd615708b70edd83df41f1"
 
+[[package]]
+name = "hashbrown"
+version = "0.15.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9229cfe53dfd69f0609a49f65461bd93001ea1ef889cd5529dd176593f5338a1"
+dependencies = [
+ "allocator-api2",
+ "equivalent",
+ "foldhash",
+]
+
 [[package]]
 name = "hashbrown"
 version = "0.16.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "841d1cc9bed7f9236f321df977030373f4a4163ae1a7dbfe1a51a2c1a51d9100"
 
+[[package]]
+name = "hashlink"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7382cf6263419f2d8df38c55d7da83da5c18aef87fc7a7fc1fb1e344edfe14c1"
+dependencies = [
+ "hashbrown 0.15.5",
+]
+
 [[package]]
 name = "heck"
 version = "0.5.0"
@@ -1232,6 +1501,15 @@ dependencies = [
  "digest",
 ]
 
+[[package]]
+name = "home"
+version = "0.5.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cc627f471c528ff0c4a49e1d5e60450c8f6461dd6d10ba9dcd3a61d3dff7728d"
+dependencies = [
+ "windows-sys 0.61.2",
+]
+
 [[package]]
 name = "html-escape"
 version = "0.2.13"
@@ -1525,6 +1803,15 @@ dependencies = [
  "serde_core",
 ]
 
+[[package]]
+name = "inout"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "879f10e63c20629ecabbb64a8010319738c66a5cd0c29b02d63d272b03751d01"
+dependencies = [
+ "generic-array",
+]
+
 [[package]]
 name = "interpolator"
 version = "0.5.0"
@@ -1599,7 +1886,7 @@ dependencies = [
  "p256",
  "p384",
  "rand 0.8.5",
- "rsa",
+ "rsa 0.7.2",
  "serde",
  "serde_json",
  "spki 0.6.0",
@@ -1815,6 +2102,28 @@ version = "0.2.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b6d2cec3eae94f9f509c767b45932f1ada8350c4bdb85af2fcab4a3c14807981"
 
+[[package]]
+name = "libredox"
+version = "0.1.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3d0b95e02c851351f877147b7deea7b1afb1df71b63aa5f8270716e0c5720616"
+dependencies = [
+ "bitflags",
+ "libc",
+ "redox_syscall 0.7.0",
+]
+
+[[package]]
+name = "libsqlite3-sys"
+version = "0.30.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2e99fb7a497b1e3339bc746195567ed8d3e24945ecd636e3619d20b9de9e9149"
+dependencies = [
+ "cc",
+ "pkg-config",
+ "vcpkg",
+]
+
 [[package]]
 name = "linear-map"
 version = "1.2.0"
@@ -1884,12 +2193,28 @@ dependencies = [
  "regex-automata",
 ]
 
+[[package]]
+name = "matchit"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0e7465ac9959cc2b1404e8e2367b43684a6d13790fe23056cc8c6c5a6b7bcb94"
+
 [[package]]
 name = "matchit"
 version = "0.8.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "47e1ffaa40ddd1f3ed91f717a33c8c0ee23fff369e3aa8772b9605cc1d22f4c3"
 
+[[package]]
+name = "md-5"
+version = "0.10.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d89e7ee0cfbedfc4da3340218492196241d89eefb6dab27de5df917a6d2e78cf"
+dependencies = [
+ "cfg-if",
+ "digest",
+]
+
 [[package]]
 name = "memchr"
 version = "2.7.6"
@@ -1939,6 +2264,23 @@ dependencies = [
  "windows-sys 0.61.2",
 ]
 
+[[package]]
+name = "multer"
+version = "3.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "83e87776546dc87511aa5ee218730c92b666d7264ab6ed41f9d215af9cd5224b"
+dependencies = [
+ "bytes",
+ "encoding_rs",
+ "futures-util",
+ "http 1.4.0",
+ "httparse",
+ "memchr",
+ "mime",
+ "spin",
+ "version_check",
+]
+
 [[package]]
 name = "native-tls"
 version = "0.2.14"
@@ -1991,6 +2333,12 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "num-conv"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cf97ec579c3c42f953ef76dbf8d55ac91fb219dde70e49aa4a6b7d74e9919050"
+
 [[package]]
 name = "num-integer"
 version = "0.1.46"
@@ -2127,6 +2475,12 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "56d80efc4b6721e8be2a10a5df21a30fa0b470f1539e53d8b4e6e75faf938b63"
 
+[[package]]
+name = "parking"
+version = "2.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f38d5652c16fde515bb1ecef450ab0f6a219d619a7274976324d5e377f7dceba"
+
 [[package]]
 name = "parking_lot"
 version = "0.12.5"
@@ -2145,7 +2499,7 @@ checksum = "2621685985a2ebf1c516881c026032ac7deafcda1a2c9b7850dc81e3dfcb64c1"
 dependencies = [
  "cfg-if",
  "libc",
- "redox_syscall",
+ "redox_syscall 0.5.18",
  "smallvec",
  "windows-link",
 ]
@@ -2251,6 +2605,17 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "pkcs1"
+version = "0.7.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c8ffb9f10fa047879315e6625af03c164b16962a5368d724ed16323b68ace47f"
+dependencies = [
+ "der 0.7.10",
+ "pkcs8 0.10.2",
+ "spki 0.7.3",
+]
+
 [[package]]
 name = "pkcs8"
 version = "0.9.0"
@@ -2292,6 +2657,12 @@ dependencies = [
  "zerovec",
 ]
 
+[[package]]
+name = "powerfmt"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "439ee305def115ba05938db6eb1644ff94165c5ab5e9420d1c1bcedbba909391"
+
 [[package]]
 name = "ppv-lite86"
 version = "0.2.21"
@@ -2523,6 +2894,15 @@ dependencies = [
  "bitflags",
 ]
 
+[[package]]
+name = "redox_syscall"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "49f3fe0889e69e2ae9e41f4d6c4c0181701d00e4697b356fb1f74173a5e0ee27"
+dependencies = [
+ "bitflags",
+]
+
 [[package]]
 name = "regex"
 version = "1.12.2"
@@ -2574,7 +2954,7 @@ dependencies = [
  "num-integer",
  "num-iter",
  "num-traits",
- "pkcs1",
+ "pkcs1 0.4.1",
  "pkcs8 0.9.0",
  "rand_core 0.6.4",
  "signature 1.6.4",
@@ -2583,6 +2963,26 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "rsa"
+version = "0.9.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b8573f03f5883dcaebdfcf4725caa1ecb9c15b2ef50c43a07b816e06799bb12d"
+dependencies = [
+ "const-oid 0.9.6",
+ "digest",
+ "num-bigint-dig",
+ "num-integer",
+ "num-traits",
+ "pkcs1 0.7.5",
+ "pkcs8 0.10.2",
+ "rand_core 0.6.4",
+ "signature 2.2.0",
+ "spki 0.7.3",
+ "subtle",
+ "zeroize",
+]
+
 [[package]]
 name = "rstml"
 version = "0.11.2"
@@ -2647,7 +3047,7 @@ dependencies = [
  "errno",
  "libc",
  "linux-raw-sys",
- "windows-sys 0.59.0",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -3021,6 +3421,9 @@ name = "smallvec"
 version = "1.15.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "67b1b7a3b5fe4f1376887184045fcf45c69e92af734b7aaddc05fb777b6fbd03"
+dependencies = [
+ "serde",
+]
 
 [[package]]
 name = "socket2"
@@ -3047,6 +3450,9 @@ name = "spin"
 version = "0.9.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6980e8d7511241f8acf4aebddbb1ff938df5eebe98691418c4468d0b72a96a67"
+dependencies = [
+ "lock_api",
+]
 
 [[package]]
 name = "spki"
@@ -3068,12 +3474,211 @@ dependencies = [
  "der 0.7.10",
 ]
 
+[[package]]
+name = "sqlx"
+version = "0.8.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1fefb893899429669dcdd979aff487bd78f4064e5e7907e4269081e0ef7d97dc"
+dependencies = [
+ "sqlx-core",
+ "sqlx-macros",
+ "sqlx-mysql",
+ "sqlx-postgres",
+ "sqlx-sqlite",
+]
+
+[[package]]
+name = "sqlx-core"
+version = "0.8.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ee6798b1838b6a0f69c007c133b8df5866302197e404e8b6ee8ed3e3a5e68dc6"
+dependencies = [
+ "base64 0.22.1",
+ "bytes",
+ "crc",
+ "crossbeam-queue",
+ "either",
+ "event-listener",
+ "futures-core",
+ "futures-intrusive",
+ "futures-io",
+ "futures-util",
+ "hashbrown 0.15.5",
+ "hashlink",
+ "indexmap",
+ "log",
+ "memchr",
+ "once_cell",
+ "percent-encoding",
+ "serde",
+ "serde_json",
+ "sha2",
+ "smallvec",
+ "thiserror 2.0.18",
+ "tokio",
+ "tokio-stream",
+ "tracing",
+ "url",
+]
+
+[[package]]
+name = "sqlx-macros"
+version = "0.8.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a2d452988ccaacfbf5e0bdbc348fb91d7c8af5bee192173ac3636b5fb6e6715d"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "sqlx-core",
+ "sqlx-macros-core",
+ "syn 2.0.114",
+]
+
+[[package]]
+name = "sqlx-macros-core"
+version = "0.8.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "19a9c1841124ac5a61741f96e1d9e2ec77424bf323962dd894bdb93f37d5219b"
+dependencies = [
+ "dotenvy",
+ "either",
+ "heck",
+ "hex",
+ "once_cell",
+ "proc-macro2",
+ "quote",
+ "serde",
+ "serde_json",
+ "sha2",
+ "sqlx-core",
+ "sqlx-mysql",
+ "sqlx-postgres",
+ "sqlx-sqlite",
+ "syn 2.0.114",
+ "tokio",
+ "url",
+]
+
+[[package]]
+name = "sqlx-mysql"
+version = "0.8.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "aa003f0038df784eb8fecbbac13affe3da23b45194bd57dba231c8f48199c526"
+dependencies = [
+ "atoi",
+ "base64 0.22.1",
+ "bitflags",
+ "byteorder",
+ "bytes",
+ "crc",
+ "digest",
+ "dotenvy",
+ "either",
+ "futures-channel",
+ "futures-core",
+ "futures-io",
+ "futures-util",
+ "generic-array",
+ "hex",
+ "hkdf",
+ "hmac",
+ "itoa",
+ "log",
+ "md-5",
+ "memchr",
+ "once_cell",
+ "percent-encoding",
+ "rand 0.8.5",
+ "rsa 0.9.10",
+ "serde",
+ "sha1",
+ "sha2",
+ "smallvec",
+ "sqlx-core",
+ "stringprep",
+ "thiserror 2.0.18",
+ "tracing",
+ "whoami",
+]
+
+[[package]]
+name = "sqlx-postgres"
+version = "0.8.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "db58fcd5a53cf07c184b154801ff91347e4c30d17a3562a635ff028ad5deda46"
+dependencies = [
+ "atoi",
+ "base64 0.22.1",
+ "bitflags",
+ "byteorder",
+ "crc",
+ "dotenvy",
+ "etcetera",
+ "futures-channel",
+ "futures-core",
+ "futures-util",
+ "hex",
+ "hkdf",
+ "hmac",
+ "home",
+ "itoa",
+ "log",
+ "md-5",
+ "memchr",
+ "once_cell",
+ "rand 0.8.5",
+ "serde",
+ "serde_json",
+ "sha2",
+ "smallvec",
+ "sqlx-core",
+ "stringprep",
+ "thiserror 2.0.18",
+ "tracing",
+ "whoami",
+]
+
+[[package]]
+name = "sqlx-sqlite"
+version = "0.8.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c2d12fe70b2c1b4401038055f90f151b78208de1f9f89a7dbfd41587a10c3eea"
+dependencies = [
+ "atoi",
+ "flume",
+ "futures-channel",
+ "futures-core",
+ "futures-executor",
+ "futures-intrusive",
+ "futures-util",
+ "libsqlite3-sys",
+ "log",
+ "percent-encoding",
+ "serde",
+ "serde_urlencoded",
+ "sqlx-core",
+ "thiserror 2.0.18",
+ "tracing",
+ "url",
+]
+
 [[package]]
 name = "stable_deref_trait"
 version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6ce2be8dc25455e1f91df71bfa12ad37d7af1092ae736f3a6cd0e37bc7810596"
 
+[[package]]
+name = "stringprep"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7b4df3d392d81bd458a8a621b8bffbd2302a12ffe288a9d931670948749463b1"
+dependencies = [
+ "unicode-bidi",
+ "unicode-normalization",
+ "unicode-properties",
+]
+
 [[package]]
 name = "strsim"
 version = "0.11.1"
@@ -3168,7 +3773,7 @@ dependencies = [
  "getrandom 0.3.4",
  "once_cell",
  "rustix",
- "windows-sys 0.59.0",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -3220,6 +3825,37 @@ dependencies = [
  "cfg-if",
 ]
 
+[[package]]
+name = "time"
+version = "0.3.47"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "743bd48c283afc0388f9b8827b976905fb217ad9e647fae3a379a9283c4def2c"
+dependencies = [
+ "deranged",
+ "itoa",
+ "num-conv",
+ "powerfmt",
+ "serde_core",
+ "time-core",
+ "time-macros",
+]
+
+[[package]]
+name = "time-core"
+version = "0.1.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7694e1cfe791f8d31026952abf09c69ca6f6fa4e1a1229e18988f06a04a12dca"
+
+[[package]]
+name = "time-macros"
+version = "0.2.27"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2e70e4c5a0e0a8a4823ad65dfe1a6930e4f4d756dcd9dd7939022b5e8c501215"
+dependencies = [
+ "num-conv",
+ "time-core",
+]
+
 [[package]]
 name = "tinystr"
 version = "0.8.2"
@@ -3230,6 +3866,21 @@ dependencies = [
  "zerovec",
 ]
 
+[[package]]
+name = "tinyvec"
+version = "1.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bfa5fdc3bce6191a1dbc8c02d5c8bffcf557bafa17c124c5264a458f1b0613fa"
+dependencies = [
+ "tinyvec_macros",
+]
+
+[[package]]
+name = "tinyvec_macros"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20"
+
 [[package]]
 name = "tokio"
 version = "1.49.0"
@@ -3533,12 +4184,33 @@ version = "2.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dbc4bc3a9f746d862c45cb89d705aa10f187bb96c76001afab07a0d35ce60142"
 
+[[package]]
+name = "unicode-bidi"
+version = "0.3.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c1cb5db39152898a79168971543b1cb5020dff7fe43c8dc468b0885f5e29df5"
+
 [[package]]
 name = "unicode-ident"
 version = "1.0.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9312f7c4f6ff9069b165498234ce8be658059c6728633667c526e27dc2cf1df5"
 
+[[package]]
+name = "unicode-normalization"
+version = "0.1.25"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5fd4f6878c9cb28d874b009da9e8d183b5abc80117c40bbd187a1fde336be6e8"
+dependencies = [
+ "tinyvec",
+]
+
+[[package]]
+name = "unicode-properties"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7df058c713841ad818f1dc5d3fd88063241cc61f49f5fbea4b951e8cf5a8d71d"
+
 [[package]]
 name = "unicode-segmentation"
 version = "1.12.0"
@@ -3617,7 +4289,7 @@ version = "9.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d047458f1b5b65237c2f6dc6db136945667f40a7668627b3490b9513a3d43a55"
 dependencies = [
- "axum",
+ "axum 0.8.8",
  "base64 0.22.1",
  "mime_guess",
  "regex",
@@ -3692,6 +4364,12 @@ dependencies = [
  "wit-bindgen",
 ]
 
+[[package]]
+name = "wasite"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b8dad83b4f25e74f184f64c43b150b91efe7647395b42289f38e50566d82855b"
+
 [[package]]
 name = "wasix"
 version = "0.13.1"
@@ -3805,6 +4483,16 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "whoami"
+version = "1.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5d4a4db5077702ca3015d3d02d74974948aba2ad9e12ab7df718ee64ccd7e97d"
+dependencies = [
+ "libredox",
+ "wasite",
+]
+
 [[package]]
 name = "winapi-util"
 version = "0.1.11"
@@ -3875,18 +4563,18 @@ dependencies = [
 
 [[package]]
 name = "windows-sys"
-version = "0.52.0"
+version = "0.48.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "282be5f36a8ce781fad8c8ae18fa3f9beff57ec1b52cb3de0789201425d9a33d"
+checksum = "677d2418bec65e3338edb076e806bc1ec15693c5d0104683f2efe857f61056a9"
 dependencies = [
- "windows-targets 0.52.6",
+ "windows-targets 0.48.5",
 ]
 
 [[package]]
 name = "windows-sys"
-version = "0.59.0"
+version = "0.52.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e38bc4d79ed67fd075bcc251a1c39b32a1776bbe92e5bef1f0bf1f8c531853b"
+checksum = "282be5f36a8ce781fad8c8ae18fa3f9beff57ec1b52cb3de0789201425d9a33d"
 dependencies = [
  "windows-targets 0.52.6",
 ]
@@ -3909,6 +4597,21 @@ dependencies = [
  "windows-link",
 ]
 
+[[package]]
+name = "windows-targets"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9a2fa6e2155d7247be68c096456083145c183cbbbc2764150dda45a87197940c"
+dependencies = [
+ "windows_aarch64_gnullvm 0.48.5",
+ "windows_aarch64_msvc 0.48.5",
+ "windows_i686_gnu 0.48.5",
+ "windows_i686_msvc 0.48.5",
+ "windows_x86_64_gnu 0.48.5",
+ "windows_x86_64_gnullvm 0.48.5",
+ "windows_x86_64_msvc 0.48.5",
+]
+
 [[package]]
 name = "windows-targets"
 version = "0.52.6"
@@ -3942,6 +4645,12 @@ dependencies = [
  "windows_x86_64_msvc 0.53.1",
 ]
 
+[[package]]
+name = "windows_aarch64_gnullvm"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2b38e32f0abccf9987a4e3079dfb67dcd799fb61361e53e2882c3cbaf0d905d8"
+
 [[package]]
 name = "windows_aarch64_gnullvm"
 version = "0.52.6"
@@ -3954,6 +4663,12 @@ version = "0.53.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a9d8416fa8b42f5c947f8482c43e7d89e73a173cead56d044f6a56104a6d1b53"
 
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dc35310971f3b2dbbf3f0690a219f40e2d9afcf64f9ab7cc1be722937c26b4bc"
+
 [[package]]
 name = "windows_aarch64_msvc"
 version = "0.52.6"
@@ -3966,6 +4681,12 @@ version = "0.53.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b9d782e804c2f632e395708e99a94275910eb9100b2114651e04744e9b125006"
 
+[[package]]
+name = "windows_i686_gnu"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a75915e7def60c94dcef72200b9a8e58e5091744960da64ec734a6c6e9b3743e"
+
 [[package]]
 name = "windows_i686_gnu"
 version = "0.52.6"
@@ -3990,6 +4711,12 @@ version = "0.53.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fa7359d10048f68ab8b09fa71c3daccfb0e9b559aed648a8f95469c27057180c"
 
+[[package]]
+name = "windows_i686_msvc"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8f55c233f70c4b27f66c523580f78f1004e8b5a8b659e05a4eb49d4166cca406"
+
 [[package]]
 name = "windows_i686_msvc"
 version = "0.52.6"
@@ -4002,6 +4729,12 @@ version = "0.53.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1e7ac75179f18232fe9c285163565a57ef8d3c89254a30685b57d83a38d326c2"
 
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "53d40abd2583d23e4718fddf1ebec84dbff8381c07cae67ff7768bbf19c6718e"
+
 [[package]]
 name = "windows_x86_64_gnu"
 version = "0.52.6"
@@ -4014,6 +4747,12 @@ version = "0.53.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c3842cdd74a865a8066ab39c8a7a473c0778a3f29370b5fd6b4b9aa7df4a499"
 
+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b7b52767868a23d5bab768e390dc5f5c55825b6d30b86c844ff2dc7414044cc"
+
 [[package]]
 name = "windows_x86_64_gnullvm"
 version = "0.52.6"
@@ -4026,6 +4765,12 @@ version = "0.53.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0ffa179e2d07eee8ad8f57493436566c7cc30ac536a3379fdf008f47f6bb7ae1"
 
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ed94fce61571a4006852b7389a063ab983c02eb1bb37b47f8272ce92d06d9538"
+
 [[package]]
 name = "windows_x86_64_msvc"
 version = "0.52.6"
diff --git a/backend/Cargo.toml b/backend/Cargo.toml
index a79f5b6..86eeede 100644
--- a/backend/Cargo.toml
+++ b/backend/Cargo.toml
@@ -33,3 +33,7 @@ utoipa-swagger-ui = { version = "9.0.2", features = ["axum"] }
 web-push = { version = "0.10", default-features = false, features = ["hyper-client"], optional = true }
 base64 = "0.22"
 openssl = { version = "0.10", features = ["vendored"], optional = true }
+sqlx = { version = "0.8", features = ["runtime-tokio", "sqlite"] }
+bcrypt = "0.17.0"
+axum-extra = { version = "0.9", features = ["cookie"] }
+rand = "0.8"
diff --git a/backend/src/db.rs b/backend/src/db.rs
new file mode 100644
index 0000000..4080820
--- /dev/null
+++ b/backend/src/db.rs
@@ -0,0 +1,106 @@
+use sqlx::{sqlite::SqlitePoolOptions, Pool, Sqlite, Row};
+use std::time::Duration;
+use anyhow::Result;
+
+#[derive(Clone)]
+pub struct Db {
+    pool: Pool<Sqlite>,
+}
+
+impl Db {
+    pub async fn new(db_url: &str) -> Result<Self> {
+        let pool = SqlitePoolOptions::new()
+            .max_connections(5)
+            .acquire_timeout(Duration::from_secs(3))
+            .connect(db_url)
+            .await?;
+
+        let db = Self { pool };
+        db.init().await?;
+        Ok(db)
+    }
+
+    async fn init(&self) -> Result<()> {
+        // Create users table
+        sqlx::query(
+            "CREATE TABLE IF NOT EXISTS users (
+                id INTEGER PRIMARY KEY,
+                username TEXT NOT NULL UNIQUE,
+                password_hash TEXT NOT NULL,
+                created_at DATETIME DEFAULT CURRENT_TIMESTAMP
+            )",
+        )
+        .execute(&self.pool)
+        .await?;
+
+        // Create sessions table
+        sqlx::query(
+            "CREATE TABLE IF NOT EXISTS sessions (
+                token TEXT PRIMARY KEY,
+                user_id INTEGER NOT NULL,
+                expires_at DATETIME NOT NULL,
+                FOREIGN KEY(user_id) REFERENCES users(id)
+            )",
+        )
+        .execute(&self.pool)
+        .await?;
+
+        Ok(())
+    }
+
+    // --- User Operations ---
+
+    pub async fn create_user(&self, username: &str, password_hash: &str) -> Result<()> {
+        sqlx::query("INSERT INTO users (username, password_hash) VALUES (?, ?)")
+            .bind(username)
+            .bind(password_hash)
+            .execute(&self.pool)
+            .await?;
+        Ok(())
+    }
+
+    pub async fn get_user_by_username(&self, username: &str) -> Result<Option<(i64, String)>> {
+        let row = sqlx::query("SELECT id, password_hash FROM users WHERE username = ?")
+            .bind(username)
+            .fetch_optional(&self.pool)
+            .await?;
+
+        Ok(row.map(|r| (r.get(0), r.get(1))))
+    }
+
+    pub async fn has_users(&self) -> Result<bool> {
+        let row: (i64,) = sqlx::query_as("SELECT COUNT(*) FROM users")
+            .fetch_one(&self.pool)
+            .await?;
+        Ok(row.0 > 0)
+    }
+
+    // --- Session Operations ---
+
+    pub async fn create_session(&self, user_id: i64, token: &str, expires_at: i64) -> Result<()> {
+        sqlx::query("INSERT INTO sessions (token, user_id, expires_at) VALUES (?, ?, datetime(?, 'unixepoch'))")
+            .bind(token)
+            .bind(user_id)
+            .bind(expires_at)
+            .execute(&self.pool)
+            .await?;
+        Ok(())
+    }
+
+    pub async fn get_session_user(&self, token: &str) -> Result<Option<i64>> {
+        let row = sqlx::query("SELECT user_id FROM sessions WHERE token = ? AND expires_at > datetime('now')")
+            .bind(token)
+            .fetch_optional(&self.pool)
+            .await?;
+
+        Ok(row.map(|r| r.get(0)))
+    }
+
+    pub async fn delete_session(&self, token: &str) -> Result<()> {
+        sqlx::query("DELETE FROM sessions WHERE token = ?")
+            .bind(token)
+            .execute(&self.pool)
+            .await?;
+        Ok(())
+    }
+}
diff --git a/backend/src/handlers/mod.rs b/backend/src/handlers/mod.rs
index 93217d5..c3e117f 100644
--- a/backend/src/handlers/mod.rs
+++ b/backend/src/handlers/mod.rs
@@ -18,6 +18,9 @@ use shared::{
 };
 use utoipa::ToSchema;
 
+pub mod auth;
+pub mod setup;
+
 #[derive(RustEmbed)]
 #[folder = "../frontend/dist"]
 pub struct Asset;
@@ -709,8 +712,8 @@ pub async fn subscribe_push_handler(
     Json(subscription): Json<push::PushSubscription>,
 ) -> impl IntoResponse {
     tracing::info!("Received push subscription: {:?}", subscription);
-    
+
     state.push_store.add_subscription(subscription).await;
-    
+
     (StatusCode::OK, "Subscription saved").into_response()
 }
diff --git a/backend/src/handlers/setup.rs b/backend/src/handlers/setup.rs
new file mode 100644
index 0000000..3b10033
--- /dev/null
+++ b/backend/src/handlers/setup.rs
@@ -0,0 +1,66 @@
+use crate::{db::Db, AppState};
+use axum::{
+    extract::{State, Json},
+    http::StatusCode,
+    response::IntoResponse,
+};
+use serde::{Deserialize, Serialize};
+use utoipa::ToSchema;
+
+#[derive(Deserialize, ToSchema)]
+pub struct SetupRequest {
+    username: String,
+    password: String,
+}
+
+#[derive(Serialize)]
+pub struct SetupStatusResponse {
+    completed: bool,
+}
+
+pub async fn get_setup_status_handler(State(state): State<AppState>) -> impl IntoResponse {
+    let completed = match state.db.has_users().await {
+        Ok(has) => has,
+        Err(e) => {
+            tracing::error!("DB error checking users: {}", e);
+            false
+        }
+    };
+    Json(SetupStatusResponse { completed }).into_response()
+}
+
+pub async fn setup_handler(
+    State(state): State<AppState>,
+    Json(payload): Json<SetupRequest>,
+) -> impl IntoResponse {
+    // 1. Check if setup is already completed (i.e., users exist)
+    match state.db.has_users().await {
+        Ok(true) => return (StatusCode::FORBIDDEN, "Setup already completed").into_response(),
+        Err(e) => {
+            tracing::error!("DB error checking users: {}", e);
+            return (StatusCode::INTERNAL_SERVER_ERROR, "Database error").into_response();
+        }
+        Ok(false) => {} // Proceed
+    }
+
+    // 2. Validate input
+    if payload.username.len() < 3 || payload.password.len() < 6 {
+        return (StatusCode::BAD_REQUEST, "Username must be at least 3 chars, password at least 6").into_response();
+    }
+
+    // 3. Create User
+    let password_hash = match bcrypt::hash(&payload.password, bcrypt::DEFAULT_COST) {
+        Ok(h) => h,
+        Err(e) => {
+            tracing::error!("Failed to hash password: {}", e);
+            return (StatusCode::INTERNAL_SERVER_ERROR, "Failed to process password").into_response();
+        }
+    };
+
+    if let Err(e) = state.db.create_user(&payload.username, &password_hash).await {
+        tracing::error!("Failed to create user: {}", e);
+        return (StatusCode::INTERNAL_SERVER_ERROR, "Failed to create user").into_response();
+    }
+
+    (StatusCode::OK, "Setup completed successfully").into_response()
+}
diff --git a/backend/src/main.rs b/backend/src/main.rs
index 7f9876e..26d4663 100644
--- a/backend/src/main.rs
+++ b/backend/src/main.rs
@@ -1,3 +1,4 @@
+mod db;
 mod diff;
 mod handlers;
 #[cfg(feature = "push-notifications")]
@@ -10,7 +11,12 @@ use axum::error_handling::HandleErrorLayer;
 use axum::{
     routing::{get, post},
     Router,
+    middleware::{self, Next},
+    extract::Request,
+    response::Response,
+    http::StatusCode,
 };
+use axum_extra::extract::cookie::CookieJar;
 use clap::Parser;
 use dotenvy::dotenv;
 use shared::{AppEvent, Torrent};
@@ -32,10 +38,40 @@ pub struct AppState {
     pub tx: Arc<watch::Sender<Vec<Torrent>>>,
     pub event_bus: broadcast::Sender<AppEvent>,
     pub scgi_socket_path: String,
+    pub db: db::Db,
     #[cfg(feature = "push-notifications")]
     pub push_store: push::PushSubscriptionStore,
 }
 
+async fn auth_middleware(
+    state: axum::extract::State<AppState>,
+    jar: CookieJar,
+    request: Request,
+    next: Next,
+) -> Result<Response, StatusCode> {
+    // Skip auth for public paths
+    let path = request.uri().path();
+    if path.starts_with("/api/auth/login")
+       || path.starts_with("/api/auth/check") // Used by frontend to decide where to go
+       || path.starts_with("/api/setup")
+       || path.starts_with("/swagger-ui")
+       || path.starts_with("/api-docs")
+       || !path.starts_with("/api/") // Allow static files (frontend)
+    {
+        return Ok(next.run(request).await);
+    }
+
+    // Check token
+    if let Some(token) = jar.get("auth_token") {
+        match state.db.get_session_user(token.value()).await {
+            Ok(Some(_)) => return Ok(next.run(request).await),
+            _ => {} // Invalid
+        }
+    }
+
+    Err(StatusCode::UNAUTHORIZED)
+}
+
 #[derive(Parser, Debug)]
 #[command(author, version, about, long_about = None)]
 struct Args {
@@ -51,6 +87,10 @@ struct Args {
     /// Port to listen on
     #[arg(short, long, env = "PORT", default_value_t = 3000)]
     port: u16,
+
+    /// Database URL
+    #[arg(long, env = "DATABASE_URL", default_value = "sqlite:vibetorrent.db")]
+    db_url: String,
 }
 
 #[cfg(feature = "push-notifications")]
@@ -68,7 +108,10 @@ struct Args {
         handlers::get_global_limit_handler,
         handlers::set_global_limit_handler,
         handlers::get_push_public_key_handler,
-        handlers::subscribe_push_handler
+        handlers::subscribe_push_handler,
+        handlers::auth::login_handler,
+        handlers::setup::setup_handler,
+        handlers::setup::get_setup_status_handler
     ),
     components(
         schemas(
@@ -83,7 +126,9 @@ struct Args {
             shared::SetLabelRequest,
             shared::GlobalLimitRequest,
             push::PushSubscription,
-            push::PushKeys
+            push::PushKeys,
+            handlers::auth::LoginRequest,
+            handlers::setup::SetupRequest
         )
     ),
     tags(
@@ -105,7 +150,10 @@ struct ApiDoc;
         handlers::set_file_priority_handler,
         handlers::set_label_handler,
         handlers::get_global_limit_handler,
-        handlers::set_global_limit_handler
+        handlers::set_global_limit_handler,
+        handlers::auth::login_handler,
+        handlers::setup::setup_handler,
+        handlers::setup::get_setup_status_handler
     ),
     components(
         schemas(
@@ -118,7 +166,9 @@ struct ApiDoc;
             shared::TorrentTracker,
             shared::SetFilePriorityRequest,
             shared::SetLabelRequest,
-            shared::GlobalLimitRequest
+            shared::GlobalLimitRequest,
+            handlers::auth::LoginRequest,
+            handlers::setup::SetupRequest
         )
     ),
     tags(
@@ -146,6 +196,29 @@ async fn main() {
     tracing::info!("Socket: {}", args.socket);
     tracing::info!("Port: {}", args.port);
 
+    // Initialize Database
+    tracing::info!("Connecting to database: {}", args.db_url);
+    // Ensure the db file exists if it's sqlite
+    if args.db_url.starts_with("sqlite:") {
+        let path = args.db_url.trim_start_matches("sqlite:");
+        if !std::path::Path::new(path).exists() {
+            tracing::info!("Database file not found, creating: {}", path);
+            match std::fs::File::create(path) {
+                Ok(_) => tracing::info!("Created empty database file"),
+                Err(e) => tracing::error!("Failed to create database file: {}", e),
+            }
+        }
+    }
+
+    let db = match db::Db::new(&args.db_url).await {
+        Ok(db) => db,
+        Err(e) => {
+            tracing::error!("Failed to connect to database: {}", e);
+            std::process::exit(1);
+        }
+    };
+    tracing::info!("Database connected successfully.");
+
     // Startup Health Check
     let socket_path = std::path::Path::new(&args.socket);
     if !socket_path.exists() {
@@ -181,6 +254,7 @@ async fn main() {
         tx: tx.clone(),
         event_bus: event_bus.clone(),
         scgi_socket_path: args.socket.clone(),
+        db: db.clone(),
         #[cfg(feature = "push-notifications")]
         push_store: push::PushSubscriptionStore::new(),
     };
@@ -308,6 +382,13 @@ async fn main() {
 
     let app = Router::new()
         .merge(SwaggerUi::new("/swagger-ui").url("/api-docs/openapi.json", ApiDoc::openapi()))
+        // Setup & Auth Routes
+        .route("/api/setup/status", get(handlers::setup::get_setup_status_handler))
+        .route("/api/setup", post(handlers::setup::setup_handler))
+        .route("/api/auth/login", post(handlers::auth::login_handler))
+        .route("/api/auth/logout", post(handlers::auth::logout_handler))
+        .route("/api/auth/check", get(handlers::auth::check_auth_handler))
+        // App Routes
         .route("/api/events", get(sse::sse_handler))
         .route("/api/torrents/add", post(handlers::add_torrent_handler))
         .route(
@@ -337,13 +418,14 @@ async fn main() {
             get(handlers::get_global_limit_handler).post(handlers::set_global_limit_handler),
         )
         .fallback(handlers::static_handler); // Serve static files for everything else
-    
+
     #[cfg(feature = "push-notifications")]
     let app = app
         .route("/api/push/public-key", get(handlers::get_push_public_key_handler))
         .route("/api/push/subscribe", post(handlers::subscribe_push_handler));
-    
+
     let app = app
+        .layer(middleware::from_fn_with_state(app_state.clone(), auth_middleware))
         .layer(TraceLayer::new_for_http())
         .layer(
             CompressionLayer::new()
diff --git a/frontend/src/app.rs b/frontend/src/app.rs
index e8d27e8..2c24191 100644
--- a/frontend/src/app.rs
+++ b/frontend/src/app.rs
@@ -3,92 +3,149 @@ use crate::components::layout::statusbar::StatusBar;
 use crate::components::layout::toolbar::Toolbar;
 use crate::components::toast::ToastContainer;
 use crate::components::torrent::table::TorrentTable;
+use crate::components::auth::login::Login;
+use crate::components::auth::setup::Setup;
 use leptos::*;
 use leptos_router::*;
+use serde::Deserialize;
+
+#[derive(Deserialize)]
+struct SetupStatus {
+    completed: bool,
+}
 
 #[component]
 pub fn App() -> impl IntoView {
     crate::store::provide_torrent_store();
 
-    // Initialize push notifications after user grants permission
+    // Auth State
+    let (is_loading, set_is_loading) = create_signal(true);
+    let (is_authenticated, set_is_authenticated) = create_signal(false);
+
+    // Check Auth & Setup Status on load
     create_effect(move |_| {
-        spawn_local(async {
-            // Wait a bit for service worker to be ready
-            gloo_timers::future::TimeoutFuture::new(2000).await;
-            
-            // Check if running on iOS and not standalone
-            if let Some(ios_message) = crate::utils::platform::get_ios_notification_info() {
-                log::warn!("iOS detected: {}", ios_message);
-                
-                // Show toast to inform user
-                if let Some(store) = use_context::<crate::store::TorrentStore>() {
-                    crate::store::show_toast_with_signal(
-                        store.notifications,
-                        shared::NotificationLevel::Info,
-                        ios_message,
-                    );
+        spawn_local(async move {
+            // 1. Check Setup Status
+            let setup_res = gloo_net::http::Request::get("/api/setup/status").send().await;
+            if let Ok(resp) = setup_res {
+                if let Ok(status) = resp.json::<SetupStatus>().await {
+                    if !status.completed {
+                        // Redirect to setup if not completed
+                        let navigate = use_navigate();
+                        navigate("/setup", Default::default());
+                        set_is_loading.set(false);
+                        return;
+                    }
                 }
-                return;
             }
-            
-            // Check if push notifications are supported
-            if !crate::utils::platform::supports_push_notifications() {
-                log::warn!("Push notifications not supported on this platform");
-                return;
-            }
-            
-            // Safari requires user gesture for notification permission
-            // Don't auto-request on Safari - user should click a button
-            if crate::utils::platform::is_safari() {
-                log::info!("Safari detected - notification permission requires user interaction");
-                if let Some(store) = use_context::<crate::store::TorrentStore>() {
-                    crate::store::show_toast_with_signal(
-                        store.notifications,
-                        shared::NotificationLevel::Info,
-                        "Bildirim izni için sağ alttaki ayarlar ⚙️ ikonuna basın.".to_string(),
-                    );
+
+            // 2. Check Auth Status
+            let auth_res = gloo_net::http::Request::get("/api/auth/check").send().await;
+            if let Ok(resp) = auth_res {
+                if resp.status() == 200 {
+                    set_is_authenticated.set(true);
+
+                    // Initialize push notifications logic only if authenticated
+                    // ... (Push notification logic moved here or kept global but guarded)
+                } else {
+                    let navigate = use_navigate();
+                    // If we are already on login or setup, don't redirect loop
+                    let pathname = window().location().pathname().unwrap_or_default();
+                    if pathname != "/login" && pathname != "/setup" {
+                         navigate("/login", Default::default());
+                    }
                 }
-                return;
             }
-            
-            // For non-Safari browsers (Chrome, Firefox, Edge), attempt auto-subscribe
-            log::info!("Attempting to subscribe to push notifications...");
-            crate::store::subscribe_to_push_notifications().await;
+            set_is_loading.set(false);
         });
     });
 
+    // Initialize push notifications after user grants permission (Only if authenticated)
+    create_effect(move |_| {
+        if is_authenticated.get() {
+            spawn_local(async {
+                // Wait a bit for service worker to be ready
+                gloo_timers::future::TimeoutFuture::new(2000).await;
+
+                // Check if running on iOS and not standalone
+                if let Some(ios_message) = crate::utils::platform::get_ios_notification_info() {
+                    log::warn!("iOS detected: {}", ios_message);
+                    if let Some(store) = use_context::<crate::store::TorrentStore>() {
+                        crate::store::show_toast_with_signal(
+                            store.notifications,
+                            shared::NotificationLevel::Info,
+                            ios_message,
+                        );
+                    }
+                    return;
+                }
+
+                if !crate::utils::platform::supports_push_notifications() {
+                    return;
+                }
+
+                if crate::utils::platform::is_safari() {
+                    if let Some(store) = use_context::<crate::store::TorrentStore>() {
+                        crate::store::show_toast_with_signal(
+                            store.notifications,
+                            shared::NotificationLevel::Info,
+                            "Bildirim izni için sağ alttaki ayarlar ⚙️ ikonuna basın.".to_string(),
+                        );
+                    }
+                    return;
+                }
+
+                crate::store::subscribe_to_push_notifications().await;
+            });
+        }
+    });
+
     view! {
-        // Main app wrapper - ensures proper stacking context
         <div class="relative w-full h-screen" style="height: 100dvh;">
-            // Drawer layout
-            <div class="drawer lg:drawer-open h-full w-full">
-                <input id="my-drawer" type="checkbox" class="drawer-toggle" />
+            <Router>
+                <Routes>
+                    <Route path="/login" view=move || view! { <Login /> } />
+                    <Route path="/setup" view=move || view! { <Setup /> } />
 
-                <div class="drawer-content flex flex-col h-full overflow-hidden bg-base-100 text-base-content text-sm select-none">
-                    <Toolbar />
+                    <Route path="/*" view=move || {
+                        view! {
+                            <Show when=move || !is_loading.get() fallback=|| view! {
+                                <div class="flex items-center justify-center h-screen bg-base-100">
+                                    <span class="loading loading-spinner loading-lg"></span>
+                                </div>
+                            }>
+                                <Show when=move || is_authenticated.get() fallback=|| view! { <Login /> }>
+                                    // Protected Layout
+                                    <div class="drawer lg:drawer-open h-full w-full">
+                                        <input id="my-drawer" type="checkbox" class="drawer-toggle" />
 
-                    <main class="flex-1 flex flex-col min-w-0 bg-base-100 overflow-hidden pb-8">
-                        <Router>
-                            <Routes>
-                                <Route path="/" view=move || view! { <TorrentTable /> } />
-                                <Route path="/settings" view=move || view! { <div class="p-4">"Settings Page (Coming Soon)"</div> } />
-                            </Routes>
-                        </Router>
-                    </main>
+                                        <div class="drawer-content flex flex-col h-full overflow-hidden bg-base-100 text-base-content text-sm select-none">
+                                            <Toolbar />
 
-                    // StatusBar is rendered via fixed positioning, just mount it here
-                    <StatusBar />
-                </div>
+                                            <main class="flex-1 flex flex-col min-w-0 bg-base-100 overflow-hidden pb-8">
+                                                <Routes>
+                                                    <Route path="/" view=move || view! { <TorrentTable /> } />
+                                                    <Route path="/settings" view=move || view! { <div class="p-4">"Settings Page (Coming Soon)"</div> } />
+                                                </Routes>
+                                            </main>
+
+                                            <StatusBar />
+                                        </div>
+
+                                        <div class="drawer-side z-40 transition-none duration-0">
+                                            <label for="my-drawer" aria-label="close sidebar" class="drawer-overlay transition-none duration-0"></label>
+                                            <div class="menu p-0 min-h-full bg-base-200 text-base-content border-r border-base-300 transition-none duration-0">
+                                                <Sidebar />
+                                            </div>
+                                        </div>
+                                    </div>
+                                </Show>
+                            </Show>
+                        }
+                    }/>
+                </Routes>
+            </Router>
 
-                <div class="drawer-side z-40 transition-none duration-0">
-                    <label for="my-drawer" aria-label="close sidebar" class="drawer-overlay transition-none duration-0"></label>
-                    <div class="menu p-0 min-h-full bg-base-200 text-base-content border-r border-base-300 transition-none duration-0">
-                        <Sidebar />
-                    </div>
-                </div>
-            </div>
-            
-            // Toast container - fixed positioning relative to viewport
             <ToastContainer />
         </div>
     }
diff --git a/frontend/src/components/auth/login.rs b/frontend/src/components/auth/login.rs
new file mode 100644
index 0000000..cfce11b
--- /dev/null
+++ b/frontend/src/components/auth/login.rs
@@ -0,0 +1,110 @@
+use leptos::*;
+use leptos_router::*;
+use serde::{Deserialize, Serialize};
+
+#[derive(Serialize)]
+struct LoginRequest {
+    username: String,
+    password: String,
+}
+
+#[component]
+pub fn Login() -> impl IntoView {
+    let (username, set_username) = create_signal(String::new());
+    let (password, set_password) = create_signal(String::new());
+    let (error, set_error) = create_signal(Option::<String>::None);
+    let (loading, set_loading) = create_signal(false);
+
+    let handle_login = move |ev: web_sys::SubmitEvent| {
+        ev.prevent_default();
+        set_loading.set(true);
+        set_error.set(None);
+
+        spawn_local(async move {
+            let req = LoginRequest {
+                username: username.get(),
+                password: password.get(),
+            };
+
+            let client = gloo_net::http::Request::post("/api/auth/login")
+                .json(&req)
+                .expect("Failed to create request");
+
+            match client.send().await {
+                Ok(resp) => {
+                    if resp.ok() {
+                        // Redirect to home on success
+                        let navigate = use_navigate();
+                        navigate("/", Default::default());
+                    } else {
+                        set_error.set(Some("Kullanıcı adı veya şifre hatalı".to_string()));
+                    }
+                }
+                Err(_) => {
+                    set_error.set(Some("Bağlantı hatası".to_string()));
+                }
+            }
+            set_loading.set(false);
+        });
+    };
+
+    view! {
+        <div class="flex items-center justify-center min-h-screen bg-base-200">
+            <div class="card w-full max-w-sm shadow-xl bg-base-100">
+                <div class="card-body">
+                    <h2 class="card-title justify-center mb-4">"VibeTorrent Giriş"</h2>
+
+                    <form on:submit=handle_login>
+                        <div class="form-control w-full">
+                            <label class="label">
+                                <span class="label-text">"Kullanıcı Adı"</span>
+                            </label>
+                            <input
+                                type="text"
+                                placeholder="Kullanıcı adınız"
+                                class="input input-bordered w-full"
+                                prop:value=username
+                                on:input=move |ev| set_username.set(event_target_value(&ev))
+                                disabled=move || loading.get()
+                            />
+                        </div>
+
+                        <div class="form-control w-full mt-4">
+                            <label class="label">
+                                <span class="label-text">"Şifre"</span>
+                            </label>
+                            <input
+                                type="password"
+                                placeholder="******"
+                                class="input input-bordered w-full"
+                                prop:value=password
+                                on:input=move |ev| set_password.set(event_target_value(&ev))
+                                disabled=move || loading.get()
+                            />
+                        </div>
+
+                        <Show when=move || error.get().is_some()>
+                            <div class="alert alert-error mt-4 text-sm py-2">
+                                <svg xmlns="http://www.w3.org/2000/svg" class="stroke-current shrink-0 h-6 w-6" fill="none" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M10 14l2-2m0 0l2-2m-2 2l-2-2m2 2l2 2m7-2a9 9 0 11-18 0 9 9 0 0118 0z" /></svg>
+                                <span>{move || error.get()}</span>
+                            </div>
+                        </Show>
+
+                        <div class="card-actions justify-end mt-6">
+                            <button
+                                class="btn btn-primary w-full"
+                                type="submit"
+                                disabled=move || loading.get()
+                            >
+                                <Show when=move || loading.get() fallback=|| "Giriş Yap">
+                                    <span class="loading loading-spinner"></span>
+                                    "Giriş Yapılıyor..."
+                                </Show>
+                            </button>
+                        </div>
+                    </form>
+                </div>
+            </div>
+        </div>
+    }
+}
diff --git a/frontend/src/components/auth/mod.rs b/frontend/src/components/auth/mod.rs
new file mode 100644
index 0000000..f8d416d
--- /dev/null
+++ b/frontend/src/components/auth/mod.rs
@@ -0,0 +1,2 @@
+pub mod login;
+pub mod setup;
diff --git a/frontend/src/components/auth/setup.rs b/frontend/src/components/auth/setup.rs
new file mode 100644
index 0000000..7ab93a3
--- /dev/null
+++ b/frontend/src/components/auth/setup.rs
@@ -0,0 +1,145 @@
+use leptos::*;
+use leptos_router::*;
+use serde::{Deserialize, Serialize};
+
+#[derive(Serialize)]
+struct SetupRequest {
+    username: String,
+    password: String,
+}
+
+#[component]
+pub fn Setup() -> impl IntoView {
+    let (username, set_username) = create_signal(String::new());
+    let (password, set_password) = create_signal(String::new());
+    let (confirm_password, set_confirm_password) = create_signal(String::new());
+    let (error, set_error) = create_signal(Option::<String>::None);
+    let (loading, set_loading) = create_signal(false);
+
+    let handle_setup = move |ev: web_sys::SubmitEvent| {
+        ev.prevent_default();
+        set_loading.set(true);
+        set_error.set(None);
+
+        let pass = password.get();
+        let confirm = confirm_password.get();
+
+        if pass != confirm {
+            set_error.set(Some("Şifreler eşleşmiyor".to_string()));
+            set_loading.set(false);
+            return;
+        }
+
+        if pass.len() < 6 {
+            set_error.set(Some("Şifre en az 6 karakter olmalıdır".to_string()));
+            set_loading.set(false);
+            return;
+        }
+
+        spawn_local(async move {
+            let req = SetupRequest {
+                username: username.get(),
+                password: pass,
+            };
+
+            let client = gloo_net::http::Request::post("/api/setup")
+                .json(&req)
+                .expect("Failed to create request");
+
+            match client.send().await {
+                Ok(resp) => {
+                    if resp.ok() {
+                        // Redirect to login after setup
+                        let navigate = use_navigate();
+                        navigate("/login", Default::default());
+                    } else {
+                        let text = resp.text().await.unwrap_or_default();
+                        set_error.set(Some(format!("Hata: {}", text)));
+                    }
+                }
+                Err(_) => {
+                    set_error.set(Some("Bağlantı hatası".to_string()));
+                }
+            }
+            set_loading.set(false);
+        });
+    };
+
+    view! {
+        <div class="flex items-center justify-center min-h-screen bg-base-200">
+            <div class="card w-full max-w-md shadow-xl bg-base-100">
+                <div class="card-body">
+                    <h2 class="card-title justify-center mb-2">"VibeTorrent Kurulumu"</h2>
+                    <p class="text-center text-sm opacity-70 mb-4">"Yönetici hesabınızı oluşturun"</p>
+
+                    <form on:submit=handle_setup>
+                        <div class="form-control w-full">
+                            <label class="label">
+                                <span class="label-text">"Kullanıcı Adı"</span>
+                            </label>
+                            <input
+                                type="text"
+                                placeholder="admin"
+                                class="input input-bordered w-full"
+                                prop:value=username
+                                on:input=move |ev| set_username.set(event_target_value(&ev))
+                                disabled=move || loading.get()
+                                required
+                            />
+                        </div>
+
+                        <div class="form-control w-full mt-4">
+                            <label class="label">
+                                <span class="label-text">"Şifre"</span>
+                            </label>
+                            <input
+                                type="password"
+                                placeholder="******"
+                                class="input input-bordered w-full"
+                                prop:value=password
+                                on:input=move |ev| set_password.set(event_target_value(&ev))
+                                disabled=move || loading.get()
+                                required
+                            />
+                        </div>
+
+                        <div class="form-control w-full mt-4">
+                            <label class="label">
+                                <span class="label-text">"Şifre Tekrar"</span>
+                            </label>
+                            <input
+                                type="password"
+                                placeholder="******"
+                                class="input input-bordered w-full"
+                                prop:value=confirm_password
+                                on:input=move |ev| set_confirm_password.set(event_target_value(&ev))
+                                disabled=move || loading.get()
+                                required
+                            />
+                        </div>
+
+                        <Show when=move || error.get().is_some()>
+                            <div class="alert alert-error mt-4 text-sm py-2">
+                                <svg xmlns="http://www.w3.org/2000/svg" class="stroke-current shrink-0 h-6 w-6" fill="none" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M10 14l2-2m0 0l2-2m-2 2l-2-2m2 2l2 2m7-2a9 9 0 11-18 0 9 9 0 0118 0z" /></svg>
+                                <span>{move || error.get()}</span>
+                            </div>
+                        </Show>
+
+                        <div class="card-actions justify-end mt-6">
+                            <button
+                                class="btn btn-primary w-full"
+                                type="submit"
+                                disabled=move || loading.get()
+                            >
+                                <Show when=move || loading.get() fallback=|| "Kurulumu Tamamla">
+                                    <span class="loading loading-spinner"></span>
+                                    "İşleniyor..."
+                                </Show>
+                            </button>
+                        </div>
+                    </form>
+                </div>
+            </div>
+        </div>
+    }
+}
diff --git a/frontend/src/components/mod.rs b/frontend/src/components/mod.rs
index f86eef4..4174455 100644
--- a/frontend/src/components/mod.rs
+++ b/frontend/src/components/mod.rs
@@ -3,3 +3,4 @@ pub mod layout;
 pub mod modal;
 pub mod toast;
 pub mod torrent;
+pub mod auth;