:root {
    --bg: #0f172a;
    --bg-card: #1e293b;
    --fg: #f1f5f9;
    --muted: #94a3b8;
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --border: #334155;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg); color: var(--fg);
    min-height: 100vh; display: flex; flex-direction: column;
}
.topbar {
    display: flex; justify-content: space-between; align-items: center;
    padding: 1rem 1.5rem; background: var(--bg-card); border-bottom: 1px solid var(--border);
}
.topbar .brand { color: var(--fg); text-decoration: none; font-weight: 700; font-size: 1.1rem; }
.topbar nav a { color: var(--muted); text-decoration: none; margin-left: 1.25rem; }
.topbar nav a:hover { color: var(--fg); }
.container { flex: 1; max-width: 960px; width: 100%; margin: 2rem auto; padding: 0 1.5rem; }
.footer { text-align: center; padding: 1rem; color: var(--muted); border-top: 1px solid var(--border); }

h1, h2, h3 { margin-top: 0; }
.card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: 12px; padding: 1.5rem; margin-bottom: 1.5rem;
}
.flash { padding: 0.75rem 1rem; border-radius: 8px; margin-bottom: 1rem; }
.flash-success { background: rgba(16,185,129,.15); color: var(--success); border: 1px solid var(--success); }
.flash-error   { background: rgba(239,68,68,.15);  color: var(--danger);  border: 1px solid var(--danger); }
.flash-info    { background: rgba(59,130,246,.15); color: var(--primary); border: 1px solid var(--primary); }
.flash-warning { background: rgba(245,158,11,.15); color: var(--warning); border: 1px solid var(--warning); }

label { display: block; margin: 0.75rem 0 0.25rem; color: var(--muted); font-size: 0.9rem; }
input[type=text], input[type=email], input[type=password], input[type=number],
input[type=date], select {
    width: 100%; padding: 0.6rem 0.75rem; border-radius: 8px;
    border: 1px solid var(--border); background: var(--bg); color: var(--fg);
    font-size: 1rem;
}
input:focus, select:focus { outline: 2px solid var(--primary); outline-offset: 1px; }

button, .btn {
    display: inline-block; padding: 0.65rem 1.25rem; border-radius: 8px;
    border: none; background: var(--primary); color: #fff; font-weight: 600;
    cursor: pointer; text-decoration: none; font-size: 1rem;
}
button:hover, .btn:hover { background: var(--primary-hover); }
.btn-success { background: var(--success); }
.btn-danger  { background: var(--danger); }
.btn-ghost   { background: transparent; border: 1px solid var(--border); color: var(--fg); }

.timer { font-size: 3rem; font-weight: 700; font-variant-numeric: tabular-nums; text-align: center; margin: 1rem 0; }
.status { text-align: center; color: var(--muted); margin-bottom: 1rem; }
.status.active { color: var(--success); }

table { width: 100%; border-collapse: collapse; margin-top: 1rem; }
th, td { padding: 0.6rem 0.75rem; text-align: left; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 500; font-size: 0.85rem; text-transform: uppercase; }
tr:hover td { background: rgba(255,255,255,.02); }

.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px,1fr)); gap: 1rem; }
.stat { background: var(--bg); border-radius: 8px; padding: 1rem; }
.stat .label { color: var(--muted); font-size: 0.85rem; }
.stat .value { font-size: 1.5rem; font-weight: 700; margin-top: 0.25rem; }

/* Terminal-Modus */
.terminal-page { max-width: 480px; margin: 4rem auto; text-align: center; }
.pin-display {
    font-size: 2.5rem; letter-spacing: 0.5rem; padding: 1rem;
    background: var(--bg); border-radius: 12px; min-height: 4rem;
    margin-bottom: 1.5rem; font-variant-numeric: tabular-nums;
}
.keypad { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.75rem; }
.keypad button {
    aspect-ratio: 1; font-size: 1.75rem; background: var(--bg-card);
    border: 1px solid var(--border); border-radius: 12px; color: var(--fg);
}
.keypad button:hover { background: var(--border); }
.keypad .btn-clear { background: var(--danger); color: #fff; }
.keypad .btn-ok    { background: var(--success); color: #fff; }

/* === Heroicons === */
.icon { width: 1.1em; height: 1.1em; display: inline-block; vertical-align: -0.2em; stroke: currentColor; }
.icon-lg { width: 1.5em; height: 1.5em; }
.icon-xl { width: 2em; height: 2em; }
.brand .icon { vertical-align: -0.25em; margin-right: .25rem; }
.flash .icon, .status .icon { margin-right: .35rem; }

/* Status-Punkt (gefüllt) */
.status .icon-dot { fill: currentColor; stroke: currentColor; width: .7em; height: .7em; vertical-align: 0; }

/* === Passwort-Toggle === */
.pw-wrap { position: relative; display: block; }
.pw-wrap input { padding-right: 2.5rem; }
.pw-toggle {
    position: absolute; top: 50%; right: .25rem; transform: translateY(-50%);
    background: transparent; border: none; padding: .35rem .5rem; margin: 0;
    color: var(--muted); cursor: pointer; line-height: 1; border-radius: 6px;
}
.pw-toggle:hover { color: var(--fg); background: rgba(255,255,255,.05); }
.pw-toggle .icon { width: 1.25rem; height: 1.25rem; vertical-align: middle; }

/* Terminal: Icon im Bestätigen-Button etwas größer */
.keypad .btn-ok .icon { width: 1.75rem; height: 1.75rem; vertical-align: middle; }