* { box-sizing: border-box; }

:root {
    color-scheme: dark;
    --bg: #111315;
    --panel: #191c20;
    --panel-2: #20242a;
    --border: #30353c;
    --text: #e7e9ec;
    --muted: #9da5af;
    --accent: #6cb6ff;
    --accent-hover: #8bc7ff;
    --danger: #ff7b72;
    --success: #7ee787;
}

html { scroll-behavior: smooth; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: Arial, Helvetica, sans-serif;
    font-size: 15px;
    line-height: 1.45;
}

a { color: var(--accent); }
a:hover { color: var(--accent-hover); }

.container {
    width: min(1180px, calc(100% - 28px));
    margin: 0 auto;
}

header {
    padding: 28px 0 18px;
    border-bottom: 1px solid var(--border);
}

h1 {
    margin: 0 0 5px;
    font-size: 28px;
}

.tagline {
    color: var(--muted);
    margin-bottom: 18px;
}

nav {
    display: flex;
    flex-wrap: wrap;
    gap: 9px 16px;
    align-items: center;
}

nav a {
    text-decoration: none;
    font-weight: 600;
}

.toolbar {
    padding: 18px 0 12px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: end;
}

.field {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.field label {
    font-size: 12px;
    color: var(--muted);
}

input, select, textarea {
    background: var(--panel);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 9px 10px;
    font: inherit;
}

input:focus, select:focus, textarea:focus {
    outline: 1px solid var(--accent);
    border-color: var(--accent);
}

button, .button {
    display: inline-block;
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 9px 13px;
    background: var(--panel-2);
    color: var(--text);
    font: inherit;
    cursor: pointer;
    text-decoration: none;
}

button:hover, .button:hover {
    border-color: var(--accent);
    color: var(--accent-hover);
}

.button.primary {
    background: var(--accent);
    color: #081018;
    border-color: var(--accent);
    font-weight: 700;
}

.alpha {
    padding: 9px 0 16px;
    color: var(--muted);
}

.alpha a {
    margin-right: 9px;
    text-decoration: none;
    font-weight: 700;
}

.table-wrap {
    overflow-x: auto;
    border: 1px solid var(--border);
    border-radius: 5px;
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 760px;
}

th, td {
    text-align: left;
    padding: 11px 12px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

th {
    background: var(--panel-2);
    color: #cbd1d8;
    font-size: 13px;
}

tr:last-child td { border-bottom: 0; }
tr:hover td { background: rgba(255,255,255,.025); }

.name {
    font-weight: 700;
    white-space: nowrap;
}

.platform {
    white-space: nowrap;
    text-decoration: none;
}

.category {
    color: var(--muted);
    white-space: nowrap;
}

.letter {
    margin: 25px 0 8px;
    font-size: 20px;
    color: var(--accent);
    scroll-margin-top: 20px;
}

.empty {
    padding: 35px 15px;
    text-align: center;
    color: var(--muted);
}

.form-card, .admin-card {
    max-width: 760px;
    margin: 28px auto;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 22px;
}

.form-card h2, .admin-card h2 { margin-top: 0; }

.form-grid {
    display: grid;
    gap: 15px;
}

.form-grid .full { width: 100%; }

.help {
    color: var(--muted);
    font-size: 13px;
}

.notice {
    padding: 11px 13px;
    margin: 15px 0;
    border: 1px solid var(--border);
    border-radius: 4px;
    background: var(--panel-2);
}

.notice.success { border-color: var(--success); }
.notice.error { border-color: var(--danger); }

.admin-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

footer {
    color: var(--muted);
    border-top: 1px solid var(--border);
    margin-top: 35px;
    padding: 20px 0 35px;
    font-size: 13px;
}

@media (max-width: 700px) {
    h1 { font-size: 24px; }
    .container { width: min(100% - 18px, 1180px); }
    th, td { padding: 9px; }
}