:root {
    --bg: #0f1220;
    --bg-2: #171a2b;
    --card: #1e2236;
    --border: #2b3050;
    --text: #e7e9f3;
    --muted: #9aa0bd;
    --accent: #5b6cff;
    --accent-2: #7d8bff;
    --danger: #ff5c73;
    --success: #37d399;
    --radius: 14px;
    font-synthesis: none;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    min-height: 100vh;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--text);
    background: radial-gradient(1200px 600px at 20% -10%, #24284a 0%, transparent 60%),
                radial-gradient(900px 500px at 100% 0%, #1c2140 0%, transparent 55%),
                var(--bg);
}

/* ---------- Auth ---------- */
.auth-wrap {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
}

.auth-card {
    width: 100%;
    max-width: 400px;
    background: linear-gradient(180deg, var(--card), var(--bg-2));
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 28px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, .45);
}

.brand { text-align: center; margin-bottom: 22px; }

.brand-badge {
    width: 52px; height: 52px;
    margin: 0 auto 12px;
    display: grid; place-items: center;
    font-weight: 700; font-size: 22px;
    color: #fff;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    border-radius: 14px;
    box-shadow: 0 8px 24px rgba(91, 108, 255, .4);
}

.brand h1 { font-size: 20px; margin: 0 0 4px; }
.subtitle { margin: 0; color: var(--muted); font-size: 14px; }

form { display: flex; flex-direction: column; gap: 6px; }

label { font-size: 13px; color: var(--muted); margin-top: 12px; }

input {
    width: 100%;
    padding: 12px 14px;
    background: #12152a;
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text);
    font-size: 15px;
    transition: border-color .15s, box-shadow .15s;
}
input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(91, 108, 255, .25);
}

.hint { margin: 6px 0 0; font-size: 12px; color: var(--muted); }

.btn {
    margin-top: 20px;
    padding: 12px 16px;
    border: none;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #fff;
    font-size: 15px; font-weight: 600;
    cursor: pointer;
    transition: transform .05s, filter .15s;
}
.btn:hover { filter: brightness(1.08); }
.btn:active { transform: translateY(1px); }

.btn-ghost {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
    text-decoration: none;
    padding: 8px 14px;
    margin: 0;
    font-size: 14px;
    display: inline-block;
}

.footnote { margin: 18px 0 0; text-align: center; font-size: 12px; color: var(--muted); }

.alert {
    padding: 11px 14px;
    border-radius: 10px;
    font-size: 14px;
    margin-bottom: 4px;
}
.alert-error   { background: rgba(255, 92, 115, .12); border: 1px solid rgba(255, 92, 115, .4); color: #ffb3bf; }
.alert-success { background: rgba(55, 211, 153, .12); border: 1px solid rgba(55, 211, 153, .4); color: #a7f0d3; }

/* ---------- Dashboard ---------- */
.topbar {
    display: flex; align-items: center; justify-content: space-between;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border);
    background: rgba(15, 18, 32, .6);
    backdrop-filter: blur(8px);
}
.topbar-brand { font-weight: 700; }
.topbar-right { display: flex; align-items: center; gap: 14px; }
.user-chip { font-size: 13px; color: var(--muted); }

.dashboard { padding: 32px 24px; max-width: 1000px; margin: 0 auto; }
.panel {
    background: linear-gradient(180deg, var(--card), var(--bg-2));
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
}
.panel h1 { margin: 0 0 8px; font-size: 22px; }
.panel p { color: var(--muted); margin: 0; }