:root { --navy: #0a2f6b; --blue: #0068b8; --sky: #e8f1fa; --bg: #f3f6fa; --panel: #fff; --line: #dbe4ef; --txt: #102038; --sub: #5a6a80; --ok: #0f8a5f; --warn: #b45309; --red: #c0262d }
@media (prefers-color-scheme: dark) { :root { --bg: #0b1424; --panel: #111d33; --line: #22314d; --txt: #e6edf7; --sub: #93a3bb; --sky: #13284a } }
* { box-sizing: border-box }
body { margin: 0; background: var(--bg); color: var(--txt); font: 15px/1.55 'Leelawadee UI', 'Noto Sans Thai', system-ui, sans-serif }
button, input, select { font: inherit }
.center { min-height: 100vh; display: grid; place-items: center; padding: 20px }
.spin { width: 28px; height: 28px; border-radius: 50%; border: 3px solid var(--line); border-top-color: var(--blue); animation: s 1s linear infinite } @keyframes s { to { transform: rotate(360deg) } }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 22px }
.auth { width: min(420px, 100%) } .auth h1 { margin: 10px 0 4px; font-size: 22px } .auth .col { display: grid; gap: 12px; margin-top: 16px }
.logo { width: 52px; height: 52px; border-radius: 14px; background: linear-gradient(135deg, #0a2f6b, #1257a6); display: grid; place-items: center; color: #fff }
.hint { color: var(--sub); font-size: 13.5px }
.in { width: 100%; padding: 11px 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--panel); color: var(--txt) }
.in:focus { outline: 2px solid var(--blue); outline-offset: -1px }
.code { text-align: center; font: 700 26px ui-monospace, Consolas, monospace; letter-spacing: 10px }
.btn { border: 1px solid var(--line); background: var(--panel); color: var(--txt); border-radius: 10px; padding: 9px 14px; cursor: pointer; font-weight: 600 }
.btn.pri { background: var(--navy); border-color: var(--navy); color: #fff } .btn.sm { padding: 5px 10px; font-size: 13px } .btn:disabled { opacity: .5; cursor: default }
.err { color: var(--red); font-size: 14px } .okc { color: var(--ok) }
header.top { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; gap: 12px; padding: 12px max(16px, calc(50vw - 600px)); background: var(--navy); color: #fff }
header.top b { font-size: 16px } header.top .sp { flex: 1 } header.top .btn { background: rgba(255,255,255,.12); border-color: rgba(255,255,255,.25); color: #fff }
main { max-width: 1200px; margin: 0 auto; padding: 20px 16px 60px; display: grid; gap: 16px }
.grid4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px } @media (max-width: 800px) { .grid4 { grid-template-columns: repeat(2, minmax(0, 1fr)) } }
.stat .n { font-size: 26px; font-weight: 700 } .stat small { color: var(--sub) }
h2 { margin: 0 0 10px; font-size: 17px }
table { width: 100%; border-collapse: collapse; font-size: 13.5px } th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top } th { color: var(--sub); font-weight: 600 }
.scroll { overflow-x: auto }
.pill { display: inline-block; padding: 1px 8px; border-radius: 20px; font-size: 12px; background: var(--sky); color: var(--blue); font-weight: 600 } .pill.ok { background: #e3f6ec; color: var(--ok) } .pill.warn { background: #fff3df; color: var(--warn) } .pill.red { background: #fde8e8; color: var(--red) }
.modal { position: fixed; inset: 0; background: rgba(8,16,32,.55); display: grid; place-items: center; padding: 16px; z-index: 20 }
.modal .card { width: min(980px, 100%); max-height: 88vh; overflow: auto }
pre { background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 10px; font-size: 12.5px; white-space: pre-wrap; word-break: break-word; max-height: 360px; overflow: auto }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap }
.secret { font: 600 14px ui-monospace, Consolas, monospace; word-break: break-all; background: var(--sky); padding: 10px; border-radius: 10px }