:root {
    --bg: #0f1115;
    --panel: #1a1d24;
    --panel-2: #222630;
    --border: #2a2f3a;
    --text: #e8e9ed;
    --muted: #8b8f9a;
    --accent: #4f8cff;
    --accent-hover: #3d7af0;
    --danger: #e55a5a;
    --warn: #f2a93c;
    --success: #4caf50;
    --radius: 6px;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 14px;
    line-height: 1.5;
}

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

h1 { font-size: 1.6em; margin: 0 0 1em; }
h2 { font-size: 1.1em; margin: 0 0 .75em; }

code, pre {
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: .92em;
}
pre { white-space: pre-wrap; word-break: break-word; margin: 0; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px 20px 60px;
}

/* ─────────────── Nav ─────────────── */
.topnav {
    background: var(--panel);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 10;
}
.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 12px 20px;
    display: flex;
    align-items: center;
    gap: 24px;
}
.brand {
    font-weight: 700;
    font-size: 1.1em;
    color: var(--text);
}
.nav-links { display: flex; gap: 18px; flex: 1; flex-wrap: wrap; }
.nav-links a { color: var(--muted); font-weight: 500; }
.nav-links a:hover { color: var(--text); text-decoration: none; }
.logout-form { display: flex; align-items: center; gap: 12px; }
.user { color: var(--muted); font-size: .9em; }

.btn-link {
    background: none;
    border: none;
    color: var(--accent);
    cursor: pointer;
    padding: 0;
    font-size: inherit;
}
.btn-link:hover { text-decoration: underline; }

/* ─────────────── Buttons ─────────────── */
.btn, button.btn {
    display: inline-block;
    padding: 8px 16px;
    background: var(--panel-2);
    border: 1px solid var(--border);
    color: var(--text);
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 14px;
    text-decoration: none;
    transition: background .15s;
}
.btn:hover { background: #2b3040; text-decoration: none; }
.btn.primary, button.btn.primary, button.primary {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}
.btn.primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn.danger, button.btn.danger, button.danger {
    background: var(--danger);
    border-color: var(--danger);
    color: #fff;
}
.btn.full { width: 100%; }

.btn-sm {
    display: inline-block;
    padding: 4px 10px;
    background: var(--panel-2);
    border: 1px solid var(--border);
    color: var(--text);
    border-radius: var(--radius);
    font-size: 12px;
    cursor: pointer;
    text-decoration: none;
}
.btn-sm.danger { background: #5a2626; border-color: #6a2f2f; color: #f0c4c4; }
.btn-sm:hover { background: #2b3040; }

/* ─────────────── Forms ─────────────── */
.form, .form-inline {
    display: flex;
    flex-direction: column;
    gap: 14px;
    max-width: 640px;
}
.form-inline { flex-direction: row; flex-wrap: wrap; align-items: flex-end; max-width: none; }
.inline-form { display: flex; flex-wrap: wrap; gap: 10px; align-items: flex-end; margin-bottom: 12px; }

label {
    display: flex;
    flex-direction: column;
    gap: 5px;
    color: var(--text);
    font-size: .92em;
}
label.inline { flex-direction: row; align-items: center; gap: 8px; }

input[type="text"], input[type="password"], input[type="email"], input[type="number"],
input[type="search"], input[type="url"], input[type="file"], textarea, select {
    background: var(--panel-2);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 8px 10px;
    border-radius: var(--radius);
    font: inherit;
    min-width: 180px;
}
textarea { font-family: inherit; resize: vertical; }
input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--accent);
}

.hint {
    font-size: .85em;
    color: var(--muted);
    margin-top: 4px;
}

.form-actions { display: flex; gap: 10px; margin-top: 10px; }

.row { display: flex; gap: 14px; }
.row label { flex: 1; }

.code-input {
    font-family: ui-monospace, monospace;
    font-size: 1.8em;
    letter-spacing: .3em;
    text-align: center;
}

/* ─────────────── Login ─────────────── */
.login-box {
    max-width: 380px;
    margin: 60px auto;
    padding: 32px;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 10px;
}
.login-box h1 { text-align: center; margin-bottom: 24px; }
.login-box .form-actions { justify-content: center; }

/* ─────────────── Alerts ─────────────── */
.alert {
    padding: 10px 14px;
    border-radius: var(--radius);
    margin-bottom: 16px;
    border: 1px solid transparent;
}
.alert.error { background: rgba(229, 90, 90, .15); border-color: var(--danger); color: #ffb4b4; }
.alert.success { background: rgba(76, 175, 80, .15); border-color: var(--success); color: #b6e6b9; }

/* ─────────────── Tables ─────────────── */
table {
    width: 100%;
    border-collapse: collapse;
}
table th, table td {
    text-align: left;
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
}
table th { color: var(--muted); font-weight: 500; font-size: .88em; text-transform: uppercase; letter-spacing: .05em; }

table.data-table tr:hover { background: rgba(255,255,255,.02); }

table.kv th {
    width: 140px;
    font-size: .9em;
    text-transform: none;
    letter-spacing: 0;
    font-weight: 500;
    color: var(--muted);
    vertical-align: top;
}

.actions { white-space: nowrap; display: flex; gap: 8px; }

.muted { color: var(--muted); }
.danger { color: var(--danger); font-weight: 600; }
.warn { color: var(--warn); font-weight: 600; }

/* ─────────────── Layout ─────────────── */
.page-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 18px;
    gap: 12px;
}

.search-bar {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-bottom: 20px;
}
.search-bar input[type="search"] { flex: 1; max-width: 420px; }

.tabs {
    display: flex;
    gap: 4px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 20px;
}
.tab {
    padding: 10px 16px;
    color: var(--muted);
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
}
.tab:hover { color: var(--text); text-decoration: none; }
.tab.active { color: var(--text); border-bottom-color: var(--accent); }

.panel {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
}

.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
@media (max-width: 800px) {
    .two-col { grid-template-columns: 1fr; }
}

/* ─────────────── Stats ─────────────── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 14px;
    margin-bottom: 28px;
}
.stat-card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 18px;
}
.stat-card.highlight { border-color: var(--accent); }
.stat-label { color: var(--muted); font-size: .85em; text-transform: uppercase; letter-spacing: .05em; }
.stat-value { font-size: 1.7em; font-weight: 700; margin-top: 6px; }

/* ─────────────── Badges / status ─────────────── */
.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: .8em;
    background: var(--panel-2);
    border: 1px solid var(--border);
    white-space: nowrap;
}
.status-pendingpayment { background: #4a3b1d; border-color: #6a5628; color: #f2d48a; }
.status-awaitingconfirmation { background: #3b3b1d; border-color: #5a5a28; color: #e6e08a; }
.status-paid { background: #1d4a2c; border-color: #2a6a42; color: #8ae0a4; }
.status-paidmanualreview { background: #4a3b1d; border-color: #6a5628; color: #f2c48a; }
.status-shipped { background: #1d3b4a; border-color: #2a566a; color: #8ac8e0; }
.status-delivered { background: #1d4a4a; border-color: #2a6a6a; color: #8ae0d8; }
.status-cancelled { background: #4a1d1d; border-color: #6a2a2a; color: #e08a8a; }