:root {
    --bg: #f6f7f9;
    --panel: #ffffff;
    --text: #111827;
    --muted: #667085;
    --border: #e5e7eb;
    --primary: #111827;
    --primary-soft: #f2f4f7;
    --success: #067647;
    --success-bg: #ecfdf3;
    --danger: #b42318;
    --danger-bg: #fff1f3;
}

* {
    box-sizing: border-box;
}

[v-cloak] {
    display: none;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
    margin: 0;
    min-height: 100vh;
}

a {
    color: inherit;
    text-decoration: none;
}

.admin-shell #app {
    display: grid;
    grid-template-columns: 260px 1fr;
    min-height: 100vh;
}

.sidebar {
    background: #ffffff;
    border-right: 1px solid var(--border);
    padding: 22px 16px;
}

.brand-block {
    align-items: center;
    display: flex;
    gap: 12px;
    margin-bottom: 28px;
    padding: 6px 8px;
}

.brand-mark {
    align-items: center;
    background: var(--text);
    border-radius: 12px;
    color: #ffffff;
    display: flex;
    font-weight: 800;
    height: 38px;
    justify-content: center;
    width: 38px;
}

.brand-block strong {
    display: block;
    font-size: 18px;
    letter-spacing: -0.03em;
}

.brand-block span {
    color: var(--muted);
    display: block;
    font-size: 12px;
    margin-top: 2px;
}

.brand {
    color: var(--text);
    display: block;
    font-size: 18px;
    font-weight: 800;
    margin-bottom: 24px;
}

.menu-item {
    background: transparent;
    border: 0;
    border-radius: 10px;
    color: var(--muted);
    cursor: pointer;
    display: block;
    font: inherit;
    margin: 4px 0;
    padding: 12px 14px;
    text-align: left;
    width: 100%;
}

.menu-item.active,
.menu-item:hover {
    background: var(--primary-soft);
    color: var(--text);
}

.group-title {
    align-items: center;
    display: flex;
    justify-content: space-between;
}

.submenu {
    margin: 2px 0 8px;
    padding-left: 12px;
}

.submenu-item {
    background: transparent;
    border: 0;
    border-radius: 9px;
    color: var(--muted);
    cursor: pointer;
    display: block;
    font: inherit;
    margin: 2px 0;
    padding: 9px 14px;
    text-align: left;
    width: 100%;
}

.submenu-item.active,
.submenu-item:hover {
    background: var(--primary-soft);
    color: var(--text);
}

.menu-item.logout {
    margin-top: 28px;
}

.admin-main {
    padding: 28px;
}

.topbar {
    align-items: center;
    display: flex;
    justify-content: space-between;
    margin-bottom: 24px;
}

.eyebrow {
    color: var(--muted);
    font-size: 12px;
    letter-spacing: 0.12em;
    margin: 0 0 6px;
    text-transform: uppercase;
}

h1,
h2 {
    letter-spacing: -0.04em;
    margin: 0;
}

h1 {
    font-size: 30px;
}

h2 {
    font-size: 22px;
}

p {
    color: var(--muted);
    line-height: 1.65;
    margin: 6px 0 0;
}

.muted-text {
    color: var(--muted);
    font-size: 13px;
    margin-top: 6px;
}

.account-menu {
    position: relative;
}

.admin-user {
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 999px;
    color: var(--muted);
    cursor: pointer;
    font-size: 14px;
    padding: 9px 14px;
}

.account-dropdown {
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: 0 16px 40px rgba(17, 24, 39, 0.08);
    min-width: 180px;
    padding: 8px;
    position: absolute;
    right: 0;
    top: 44px;
    z-index: 20;
}

.account-dropdown button,
.account-dropdown a {
    background: transparent;
    border: 0;
    color: var(--text);
    display: block;
    font: inherit;
    padding: 10px 12px;
    text-align: left;
    width: 100%;
}

.account-dropdown button:hover,
.account-dropdown a:hover {
    background: var(--primary-soft);
    border-radius: 9px;
}

.cards {
    display: grid;
    gap: 18px;
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.stat-card,
.panel,
.login-card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: 0 12px 34px rgba(17, 24, 39, 0.04);
}

.stat-card {
    padding: 22px;
}

.stat-card span {
    color: var(--muted);
    display: block;
    font-size: 14px;
}

.stat-card strong {
    display: block;
    font-size: 34px;
    letter-spacing: -0.05em;
    margin-top: 10px;
}

.panel {
    padding: 24px;
}

.panel-head {
    align-items: center;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    margin: -4px 0 20px;
    padding-bottom: 18px;
}

.toolbar-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0 0 12px;
}

.toolbar-row input {
    width: 180px;
    height: 30px;
    padding: 0 10px;
    font-size: 13px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    background: #fff;
    color: #374151;
    box-sizing: border-box;
    flex: 0 0 auto;
}

.toolbar-row .ghost-btn {
    height: 30px;
    padding: 0 14px;
    font-size: 13px;
}

.pagination-row {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 8px;
    padding: 12px 0 0;
    font-size: 13px;
    color: #6b7280;
}

.pagination-row .total-hint {
    margin-right: auto;
}

.pagination-row .page-info {
    font-weight: 600;
    color: #374151;
}

.ghost-btn.sm {
    padding: 4px 10px;
    font-size: 12px;
}

.filter-select,
.page-size-select {
    height: 30px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    padding: 0 8px;
    font-size: 12px;
    background: #fff;
    color: #374151;
    cursor: pointer;
    width: auto;
    flex: 0 0 auto;
}

.primary-btn,
.ghost-btn,
.link-btn,
button {
    border-radius: 10px;
    cursor: pointer;
    font: inherit;
}

.primary-btn {
    background: var(--text);
    border: 1px solid var(--text);
    color: #ffffff;
    padding: 10px 14px;
}

.ghost-btn {
    background: #ffffff;
    border: 1px solid var(--border);
    color: var(--text);
    padding: 10px 14px;
}

.link-btn {
    background: transparent;
    border: 0;
    color: #175cd3;
    padding: 0;
}

.link-btn.danger {
    color: var(--danger);
    margin-left: 10px;
}

.small-select {
    max-width: 120px;
    padding: 7px 9px;
}

.switch {
    display: inline-flex;
    margin: 0;
}

.switch input {
    display: none;
}

.switch span {
    background: #d0d5dd;
    border-radius: 999px;
    cursor: pointer;
    display: inline-block;
    height: 22px;
    position: relative;
    transition: 0.18s ease;
    width: 42px;
}

.switch span::after {
    background: #ffffff;
    border-radius: 50%;
    box-shadow: 0 1px 3px rgba(16, 24, 40, 0.2);
    content: "";
    height: 18px;
    left: 2px;
    position: absolute;
    top: 2px;
    transition: 0.18s ease;
    width: 18px;
}

.switch input:checked + span {
    background: #12b76a;
}

.switch input:checked + span::after {
    transform: translateX(20px);
}

.inline-form {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 14px;
    display: grid;
    gap: 14px;
    grid-template-columns: repeat(4, minmax(0, 1fr)) auto;
    margin-bottom: 20px;
    padding: 16px;
}

.inline-form.product-form {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

label {
    color: var(--muted);
    display: grid;
    font-size: 13px;
    gap: 7px;
}

input,
select,
textarea {
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text);
    font: inherit;
    padding: 10px 12px;
    width: 100%;
}

input:focus,
select:focus,
textarea:focus {
    border-color: #98a2b3;
    outline: none;
}

select[multiple] {
    min-height: 118px;
}

input[readonly] {
    background: #f9fafb;
    color: var(--muted);
}

.form-actions {
    align-items: end;
    display: flex;
    gap: 10px;
}

.data-table {
    border-collapse: collapse;
    width: 100%;
}

.data-table th,
.data-table td {
    border-bottom: 1px solid var(--border);
    padding: 14px 10px;
    text-align: left;
}

.data-table th {
    color: var(--muted);
    font-size: 13px;
    font-weight: 600;
}

code {
    background: #f2f4f7;
    border-radius: 7px;
    font-family: Consolas, "Courier New", monospace;
    padding: 4px 7px;
}

.status {
    border-radius: 999px;
    display: inline-flex;
    font-size: 12px;
    padding: 4px 9px;
}

.status.active {
    background: var(--success-bg);
    color: var(--success);
}

.status.disabled {
    background: #f2f4f7;
    color: var(--muted);
}

.status.pending,
.status.unpaid {
    background: #fff7ed;
    color: #b54708;
}

.status.paid {
    background: var(--success-bg);
    color: var(--success);
}

.status.cancelled,
.status.expired,
.status.void {
    background: var(--danger-bg);
    color: var(--danger);
}

.notice {
    border-radius: 12px;
    margin-bottom: 16px;
    padding: 12px 14px;
}

.notice.success {
    background: var(--success-bg);
    color: var(--success);
}

.notice.error,
.alert {
    background: var(--danger-bg);
    border: 1px solid #fecdca;
    border-radius: 12px;
    color: var(--danger);
    padding: 12px 14px;
}

.settings-grid {
    display: grid;
    gap: 18px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.settings-grid.single {
    grid-template-columns: minmax(0, 960px);
}

.tabs {
    border-bottom: 1px solid var(--border);
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: -4px 0 18px;
    padding-bottom: 12px;
}

.tabs button {
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 999px;
    color: var(--muted);
    padding: 9px 13px;
}

.tabs button.active {
    background: var(--text);
    border-color: var(--text);
    color: #ffffff;
}

.settings-card {
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 18px;
}

.settings-card h3 {
    font-size: 17px;
    margin: 0 0 14px;
}

.settings-card label {
    margin-top: 12px;
}

.settings-form-grid {
    display: grid;
    gap: 14px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.settings-form-grid label {
    margin-top: 0;
}

.email-actions {
    margin-top: 14px;
}

.settings-card textarea {
    min-height: 96px;
    resize: vertical;
}

.code-block {
    background: #f2f4f7;
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text);
    font-family: Consolas, "Courier New", monospace;
    margin-top: 14px;
    overflow-wrap: anywhere;
    padding: 12px;
}

.switch-row {
    align-items: center;
    display: flex;
    flex-direction: row;
    gap: 10px;
}

.switch-row input {
    width: auto;
}

.login-page {
    align-items: center;
    display: flex;
    justify-content: center;
    padding: 24px;
}

.login-card {
    max-width: 420px;
    padding: 28px;
    width: 100%;
}

.login-card h1 {
    font-size: 28px;
}

.login-card button {
    background: var(--text);
    border: 1px solid var(--text);
    color: #ffffff;
    margin-top: 18px;
    padding: 11px 14px;
    width: 100%;
}

@media (max-width: 1100px) {
    .admin-shell #app {
        grid-template-columns: 1fr;
    }

    .sidebar {
        border-bottom: 1px solid var(--border);
        border-right: 0;
    }

    .cards,
    .inline-form,
    .inline-form.product-form,
    .settings-grid,
    .settings-form-grid {
        grid-template-columns: 1fr;
    }
}

/* ── Market Chart Panel ───────────────────────────────────────────────────── */
.mkt-panel {
    padding: 0;
    margin: 0;
    border-radius: 0;
    border: none;
    box-shadow: none;
    display: flex;
    flex-direction: column;
    height: calc(100vh - 113px);
    overflow: hidden;
    background: #0d1117;
}

.mkt-bar {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 7px 12px;
    flex-shrink: 0;
    flex-wrap: wrap;
    background: #0d1117;
    border-bottom: 1px solid #21262d;
}

.mkt-sel {
    background: #161b22;
    border: 1px solid #30363d;
    color: #e6edf3;
    height: 28px;
    padding: 0 8px;
    border-radius: 5px;
    font-size: 12px;
    cursor: pointer;
}
.mkt-sym-sel { min-width: 130px; }

.mkt-sep { width: 1px; height: 18px; background: #30363d; margin: 0 3px; flex-shrink: 0; }

.mkt-iv-btn, .mkt-ind-btn {
    background: #161b22;
    border: 1px solid #30363d;
    color: #8b949e;
    height: 26px;
    padding: 0 9px;
    border-radius: 5px;
    font-size: 11px;
    cursor: pointer;
    transition: all .12s;
}
.mkt-iv-btn:hover, .mkt-ind-btn:hover { border-color: #58a6ff; color: #e6edf3; }
.mkt-iv-btn.active { background: #1f6feb; border-color: #1f6feb; color: #fff; }
.mkt-ind-btn.active { background: #1a3a5c; border-color: #1f6feb; color: #58a6ff; }
.mkt-loading { color: #6e7681; font-size: 14px; animation: mkt-spin .8s linear infinite; display: inline-block; }
@keyframes mkt-spin { to { transform: rotate(360deg); } }

.mkt-bar-info { font-size: 12px; color: #8b949e; gap: 0; }
.mkt-sym-lbl { font-size: 13px; font-weight: 600; color: #6e7681; margin-right: 10px; }
.mkt-price { font-size: 20px; font-weight: 700; color: #e6edf3; font-variant-numeric: tabular-nums; margin-right: 6px; }
.mkt-price.mkt-up { color: #3fb950; }
.mkt-price.mkt-dn { color: #f85149; }
.mkt-badge { font-size: 11px; padding: 1px 7px; border-radius: 4px; margin-right: 12px; }
.mkt-badge.mkt-up { background: rgba(63,185,80,.15); color: #3fb950; }
.mkt-badge.mkt-dn { background: rgba(248,81,73,.15); color: #f85149; }
.mkt-ohlcv-sep { width: 1px; height: 16px; background: #30363d; margin: 0 10px; flex-shrink: 0; align-self: center; }
.mkt-oi { margin-right: 12px; color: #e6edf3; white-space: nowrap; }
.mkt-oi em { color: #6e7681; font-style: normal; margin-right: 3px; font-size: 11px; }
.mkt-up { color: #3fb950; }
.mkt-dn { color: #f85149; }
.mkt-ma5  { color: #f7c948; }
.mkt-ma10 { color: #4fa3f7; }
.mkt-ma20 { color: #e879f9; }
.mkt-ma60 { color: #fb923c; }

.mkt-charts-wrap { flex: 1; min-height: 0; display: flex; flex-direction: column; }
.mkt-chart-main { flex: 1; min-height: 0; }
.mkt-chart-sub  { flex-shrink: 0; overflow: hidden; transition: height .2s ease; border-top: 1px solid #21262d; }

.admin-main.chart-mode { padding: 0; overflow: hidden; display: flex; flex-direction: column; }
.admin-main.chart-mode .topbar { display: none; }
.admin-main.chart-mode .mkt-panel { height: 100vh; flex: 1; }