:root {
    color-scheme: dark;
    --ta-bg: #0b1020;
    --ta-panel: #131a2d;
    --ta-panel-2: #18213a;
    --ta-text: #eef3ff;
    --ta-muted: #9aa8c7;
    --ta-border: rgba(255,255,255,.10);
    --ta-accent: #68acff;
    --ta-danger: #ff6467;
    --ta-good: #05df72;
    --ta-shadow: 0 18px 55px rgba(0,0,0,.28);
}

* { box-sizing: border-box; }
html { min-height: 100%; }
body {
    min-height: 100%;
    margin: 0;
    background: radial-gradient(circle at top left, #16213f 0, #0b1020 42%, #070b16 100%);
    color: var(--ta-text);
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a { color: var(--ta-accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.ta-shell { min-height: 100vh; display: flex; flex-direction: column; }
.ta-header {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: .85rem 1rem;
    background: rgba(11,16,32,.88);
    border-bottom: 1px solid var(--ta-border);
    backdrop-filter: blur(14px);
}
.ta-brand { color: var(--ta-text); font-weight: 800; letter-spacing: .02em; }
.ta-menu { display: flex; align-items: center; gap: .75rem; }
.ta-menu a, .ta-menu button, .ta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.35rem;
    padding: .55rem .8rem;
    border: 1px solid var(--ta-border);
    border-radius: .75rem;
    background: var(--ta-panel-2);
    color: var(--ta-text);
    font: inherit;
    cursor: pointer;
}
.ta-menu a:hover, .ta-menu button:hover, .ta-button:hover { text-decoration: none; border-color: rgba(104,172,255,.55); }
.ta-button-primary { background: linear-gradient(135deg, #2563eb, #3b82f6); border-color: rgba(104,172,255,.65); }
.ta-logout-form { margin: 0; }
.ta-menu-toggle { display: none; }

.ta-main { width: min(1180px, calc(100% - 2rem)); margin: 0 auto; padding: 1.25rem 0 2.5rem; flex: 1; }
.ta-page-head { display: flex; justify-content: space-between; gap: 1rem; margin-bottom: 1rem; }
.ta-page-head h1 { margin: 0; font-size: clamp(1.5rem, 3vw, 2.25rem); }
.ta-page-head p { margin: .25rem 0 0; color: var(--ta-muted); }

.ta-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 1rem; align-items: start; }
.ta-widget { grid-column: span 6; background: rgba(19,26,45,.94); border: 1px solid var(--ta-border); border-radius: 1rem; box-shadow: var(--ta-shadow); overflow: clip; }
.ta-widget-wide { grid-column: span 12; }
.ta-widget-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1rem; border-bottom: 1px solid var(--ta-border); }
.ta-widget-head h2 { margin: 0; font-size: 1rem; }
.ta-widget-head p { margin: .2rem 0 0; color: var(--ta-muted); font-size: .92rem; }
.ta-widget-head button { flex: 0 0 auto; padding: .4rem .65rem; border-radius: .65rem; border: 1px solid var(--ta-border); background: #0f172a; color: var(--ta-text); cursor: pointer; }
.ta-widget-body { padding: 1rem; }
.ta-widget.is-collapsed .ta-widget-body { display: none; }

.ta-kv { display: grid; gap: .65rem; margin: 0; }
.ta-kv div { display: flex; justify-content: space-between; gap: 1rem; padding: .7rem; border: 1px solid var(--ta-border); border-radius: .75rem; background: rgba(255,255,255,.03); }
.ta-kv dt { color: var(--ta-muted); }
.ta-kv dd { margin: 0; text-align: right; font-weight: 650; }
.ta-clean-list { margin: 0; padding-left: 1.15rem; color: var(--ta-muted); }
.ta-clean-list li + li { margin-top: .45rem; }

.ta-form { display: grid; gap: 1rem; }
.ta-form label { display: grid; gap: .4rem; color: var(--ta-muted); }
.ta-form input {
    width: 100%;
    padding: .75rem .85rem;
    border-radius: .75rem;
    border: 1px solid var(--ta-border);
    background: #0f172a;
    color: var(--ta-text);
    font: inherit;
}

.ta-alert { padding: .8rem; border-radius: .75rem; margin-bottom: 1rem; }
.ta-alert-error { background: rgba(255,100,103,.14); border: 1px solid rgba(255,100,103,.4); }
.ta-login-body { display: grid; place-items: center; min-height: 100vh; padding: 1rem; }
.ta-login-card { width: min(420px, 100%); padding: 1.25rem; border-radius: 1rem; border: 1px solid var(--ta-border); background: rgba(19,26,45,.94); box-shadow: var(--ta-shadow); }
.ta-login-card h1 { margin: 0 0 .35rem; }
.ta-login-card p { margin: 0 0 1rem; color: var(--ta-muted); }

.ta-footer { display: flex; justify-content: space-between; gap: 1rem; padding: 1rem; color: var(--ta-muted); border-top: 1px solid var(--ta-border); background: rgba(7,11,22,.75); font-size: .88rem; }

.ta-toast-stack {
    position: fixed;
    right: 1rem;
    top: 4.25rem;
    z-index: 1000;
    display: grid;
    gap: .6rem;
    width: min(360px, calc(100vw - 2rem));
    pointer-events: none;
}
.ta-toast {
    pointer-events: auto;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: .75rem;
    align-items: center;
    padding: .8rem .9rem;
    border-radius: .85rem;
    border: 1px solid var(--ta-border);
    background: #111827;
    box-shadow: var(--ta-shadow);
    opacity: 1;
    transform: translateY(0);
    transition: opacity .22s ease, transform .22s ease;
}
.ta-toast.is-hiding { opacity: 0; transform: translateY(-8px); }
.ta-toast-success { border-color: rgba(5,223,114,.45); }
.ta-toast-error { border-color: rgba(255,100,103,.55); }
.ta-toast-warning { border-color: rgba(251,191,36,.5); }
.ta-toast-info { border-color: rgba(104,172,255,.5); }
.ta-toast button { border: 0; background: transparent; color: var(--ta-muted); font-size: 1.1rem; cursor: pointer; }

@media (max-width: 760px) {
    .ta-header { align-items: flex-start; }
    .ta-menu-toggle { display: inline-flex; margin-left: auto; border: 1px solid var(--ta-border); background: var(--ta-panel-2); color: var(--ta-text); border-radius: .75rem; padding: .55rem .8rem; }
    .ta-menu { display: none; position: absolute; left: 1rem; right: 1rem; top: 3.7rem; flex-direction: column; align-items: stretch; padding: .75rem; border: 1px solid var(--ta-border); border-radius: 1rem; background: #0f172a; }
    .ta-menu.is-open { display: flex; }
    .ta-menu a, .ta-menu button { width: 100%; }
    .ta-grid { grid-template-columns: 1fr; }
    .ta-widget, .ta-widget-wide { grid-column: 1; }
    .ta-widget-head { align-items: flex-start; }
    .ta-footer { flex-direction: column; }
    .ta-toast-stack { top: auto; bottom: 1rem; right: 1rem; }
}