:root { color-scheme: dark; font-family: Inter, ui-sans-serif, system-ui, sans-serif; background: #050816; color: #fff; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: radial-gradient(circle at top, #172554 0, #050816 48%); }
button, input { font: inherit; }
button { cursor: pointer; }
[hidden] { display: none !important; }
.admin-login { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.admin-login__card { width: min(440px, 100%); padding: 32px; border: 1px solid #334155; border-radius: 14px; background: rgba(15,23,42,.94); box-shadow: 0 28px 80px rgba(0,0,0,.45); }
.admin-login__brand { margin: 0 0 8px; color: #60a5fa; font-weight: 900; letter-spacing: .18em; }
.admin-login h1 { margin: 0 0 8px; }
.admin-login form, .admin-login label { display: grid; gap: 8px; }
.admin-login form { gap: 18px; margin: 24px 0; }
.admin-login input { width: 100%; padding: 12px; color: #fff; background: #070b1c; border: 1px solid #475569; border-radius: 7px; }
.admin-login button, .admin-app__header button, .admin-tool-panel button { padding: 10px 16px; color: #fff; background: #1d4ed8; border: 1px solid #60a5fa; border-radius: 7px; }
.admin-login__error { min-height: 1.25em; margin: 0; color: #fca5a5; }
.admin-login a, .admin-app__header a { color: #93c5fd; }
.admin-app__header { position: sticky; top: 0; z-index: 100; display: flex; align-items: center; gap: 18px; padding: 12px 20px; background: rgba(5,8,22,.96); border-bottom: 1px solid #334155; }
.admin-app__header span { margin-left: auto; color: #cbd5e1; }
.admin-app__content { min-height: calc(100vh - 62px); overflow: auto; }
.admin-tool-overlay { position: fixed; inset: 0; z-index: 10000; display: grid; place-items: center; padding: 20px; background: rgba(0,0,0,.72); }
.admin-tool-panel { width: min(95vw, 900px); max-height: 92vh; display: grid; grid-template-rows: auto 1fr; overflow: hidden; background: #0b1024; border: 1px solid #475569; border-radius: 10px; box-shadow: 0 24px 70px rgba(0,0,0,.6); }
.admin-tool-panel > header { display: flex; align-items: center; gap: 16px; padding: 12px 16px; border-bottom: 1px solid #334155; }
.admin-tool-panel > header h2 { margin: 0; font-size: 1rem; }
.admin-tool-panel > header button { margin-left: auto; }
.admin-tool-content { min-height: 0; padding: 16px; overflow: auto; }
@media (max-width: 700px) { .admin-login__card { padding: 22px; } .admin-app__header { gap: 10px; padding: 10px 12px; } }