:root {
    --admin-bg: #f6f7f9;
    --admin-surface: #ffffff;
    --admin-surface-2: #fafbfc;
    --admin-border: #e7e9ee;
    --admin-border-strong: #d4d7de;
    --admin-text: #0f172a;
    --admin-muted: #5b6472;
    --admin-subtle: #8a93a2;
    --admin-primary: #4f46e5;
    --admin-primary-dark: #4338ca;
    --admin-sidebar: #0e1320;
    --admin-sidebar-2: #161c2d;
    --admin-sidebar-border: #1f2638;
    --admin-sidebar-text: #c9d1e0;
    --admin-sidebar-muted: #6b7591;
    --admin-ok: #10b981;
    --admin-warn: #f59e0b;
    --admin-danger: #ef4444;
    --sidebar-width: 248px;
    --topbar-height: 64px;
    --admin-radius: 12px;
    --admin-shadow: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
}

.admin-body {
    background: var(--admin-bg);
    color: var(--admin-text);
    font-family: "Pretendard Variable", Pretendard, Inter, -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
    min-height: 100vh;
}

.topbar {
    position: fixed;
    inset: 0 0 auto var(--sidebar-width);
    z-index: 20;
    height: var(--topbar-height);
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--admin-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 28px;
}

.topbar-left,
.topbar-right {
    display: flex;
    align-items: center;
    gap: 14px;
}

.topbar-title {
    display: none;
}

.sidebar-toggle {
    width: 36px;
    height: 36px;
    border: 1px solid var(--admin-border);
    border-radius: 9px;
    background: var(--admin-surface);
    color: var(--admin-muted);
    display: none;
    padding: 8px;
}

.sidebar-toggle span {
    display: block;
    width: 16px;
    height: 2px;
    background: currentColor;
    border-radius: 999px;
    margin: 3px auto;
}

.admin-user,
.plain-button {
    border: 1px solid var(--admin-border);
    border-radius: 999px;
    background: var(--admin-surface);
    color: var(--admin-text);
    font-size: 13px;
    font-weight: 700;
    padding: 8px 13px;
}

.plain-button:hover {
    border-color: var(--admin-border-strong);
    background: var(--admin-surface-2);
}

.sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 30;
    width: var(--sidebar-width);
    background: var(--admin-sidebar);
    color: var(--admin-sidebar-text);
    border-right: 1px solid var(--admin-sidebar-border);
    display: flex;
    flex-direction: column;
    transition: transform 0.2s ease;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 20px;
}

.brand-mark {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
    color: #fff;
    display: grid;
    place-items: center;
    font-family: Inter, sans-serif;
    font-size: 14px;
    font-weight: 800;
}

.brand-text,
.system-chip div {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.brand-text strong {
    color: #fff;
    font-size: 15px;
}

.brand-text span,
.system-chip span {
    color: var(--admin-sidebar-muted);
    font-size: 11px;
    font-weight: 600;
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 4px 12px;
}

.nav-label {
    color: var(--admin-sidebar-muted);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 1px;
    margin: 16px 10px 8px;
    text-transform: uppercase;
}

.nav-link,
.nav-group-title {
    display: flex;
    align-items: center;
    gap: 12px;
    min-height: 40px;
    border-radius: 10px;
    color: var(--admin-sidebar-text);
    font-size: 14px;
    font-weight: 700;
    padding: 9px 10px;
    text-decoration: none;
}

.nav-link:hover,
.nav-link.active,
.nav-group.open .nav-group-title {
    background: var(--admin-sidebar-2);
    color: #fff;
}

.nav-link.active {
    box-shadow: inset 3px 0 0 var(--admin-primary);
}

.nav-icon {
    width: 28px;
    min-width: 28px;
    height: 28px;
    border: 1px solid var(--admin-sidebar-border);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.06);
    display: grid;
    place-items: center;
    font-size: 11px;
    font-weight: 800;
}

.submenu {
    display: grid;
    gap: 2px;
    margin: 4px 0 4px 40px;
    padding-left: 10px;
    border-left: 1px solid var(--admin-sidebar-border);
}

.submenu-link {
    border-radius: 8px;
    color: var(--admin-sidebar-muted);
    font-size: 13px;
    font-weight: 700;
    padding: 8px 10px;
    text-decoration: none;
}

.submenu-link:hover,
.submenu-link.active {
    background: rgba(255, 255, 255, 0.06);
    color: #fff;
}

.sidebar-footer {
    border-top: 1px solid var(--admin-sidebar-border);
    padding: 12px;
}

.system-chip {
    display: flex;
    align-items: center;
    gap: 9px;
    border: 1px solid var(--admin-sidebar-border);
    border-radius: 12px;
    background: var(--admin-sidebar-2);
    padding: 11px 12px;
    margin-bottom: 9px;
}

.system-chip strong {
    color: #fff;
    font-size: 12px;
}

.system-dot {
    width: 8px;
    height: 8px;
    border-radius: 999px;
    background: var(--admin-ok);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.18);
}

.logout-link {
    display: block;
    border-radius: 10px;
    color: var(--admin-sidebar-text);
    font-size: 13px;
    font-weight: 700;
    padding: 10px 12px;
    text-decoration: none;
}

.logout-link:hover {
    background: rgba(255, 255, 255, 0.06);
    color: #fff;
}

.main-content {
    margin-left: var(--sidebar-width);
    padding: calc(var(--topbar-height) + 28px) 32px 56px;
    min-height: 100vh;
}

.page-header {
    align-items: flex-end;
    display: flex;
    justify-content: space-between;
    gap: 20px;
    margin: 0 auto 24px;
    max-width: 1480px;
}

.page-header h2 {
    color: var(--admin-text);
    font-size: 26px;
    font-weight: 800;
    letter-spacing: -0.4px;
    line-height: 1.2;
    margin: 4px 0 0;
}

.breadcrumb {
    color: var(--admin-muted);
    font-size: 13px;
    margin: 0;
}

.primary-button {
    align-items: center;
    background: var(--admin-primary);
    border: 0;
    border-radius: 9px;
    color: #fff;
    cursor: pointer;
    display: inline-flex;
    font-size: 14px;
    font-weight: 800;
    justify-content: center;
    line-height: 1;
    min-height: 40px;
    padding: 0 16px;
    box-shadow: 0 1px 2px rgba(79, 70, 229, 0.3), 0 4px 12px -2px rgba(79, 70, 229, 0.35);
    text-decoration: none;
    white-space: nowrap;
}

.primary-button:hover {
    background: var(--admin-primary-dark);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    max-width: 1480px;
    margin: 0 auto 20px;
}

.stat-card {
    align-items: center;
    background: var(--admin-surface);
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius);
    box-shadow: var(--admin-shadow);
    display: flex;
    gap: 16px;
    padding: 18px;
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    color: #fff;
    display: grid;
    font-size: 16px;
    font-weight: 900;
    place-items: center;
}

.bg-primary { background: #2563eb; }
.bg-warning { background: #f59e0b; }
.bg-success { background: #10b981; }

.stat-card strong {
    color: var(--admin-text);
    display: block;
    font-size: 24px;
    line-height: 1;
}

.stat-card p {
    color: var(--admin-muted);
    font-size: 13px;
    font-weight: 600;
    margin: 7px 0 0;
}

.dashboard-panel {
    max-width: 1480px;
    margin: 0 auto;
    background: var(--admin-surface);
    border: 1px solid var(--admin-border);
    border-radius: 16px;
    box-shadow: var(--admin-shadow);
    overflow: hidden;
    padding: 0;
}

.panel-header {
    align-items: center;
    border-bottom: 1px solid var(--admin-border);
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 24px;
}

.panel-header h3 {
    color: var(--admin-text);
    font-size: 17px;
    font-weight: 800;
    margin: 0;
}

.panel-header p {
    color: var(--admin-subtle);
    font-size: 13px;
    margin: 5px 0 0;
}

.table-tools {
    align-items: center;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.search-input,
.status-filter {
    border: 1px solid var(--admin-border);
    border-radius: 9px;
    background: var(--admin-surface);
    color: var(--admin-text);
    font: inherit;
    font-size: 13px;
    font-weight: 600;
    min-height: 38px;
    outline: none;
    padding: 8px 11px;
}

.search-input:focus,
.status-filter:focus {
    border-color: var(--admin-primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.12);
}

.search-input { width: 230px; }
.table-wrap { overflow-x: auto; }

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

.data-table th,
.data-table td {
    border-bottom: 1px solid #eef1f5;
    padding: 13px 16px;
    text-align: left;
    vertical-align: top;
}

.data-table th {
    color: var(--admin-muted);
    font-size: 12px;
    font-weight: 900;
    text-transform: uppercase;
    white-space: nowrap;
}

.data-table tbody tr:hover { background: var(--admin-surface-2); }

.empty-cell {
    color: var(--admin-subtle);
    font-size: 13px;
    font-weight: 700;
    padding: 34px 16px !important;
    text-align: center !important;
}

.invites-panel .panel-header {
    align-items: flex-start;
}

.invites-table-wrap {
    background: linear-gradient(#fff, #fff) padding-box;
}

.invites-table th,
.invites-table td {
    vertical-align: middle;
}

.invites-table .col-id {
    color: var(--admin-subtle);
    font-family: "JetBrains Mono", Consolas, monospace;
    font-size: 12px;
    width: 64px;
}

.invites-table .col-actions {
    min-width: 280px;
}

.invite-title-cell {
    display: grid;
    gap: 5px;
    min-width: 260px;
}

.invite-title-cell strong {
    color: var(--admin-text);
    font-size: 14px;
    line-height: 1.35;
}

.invite-title-cell a {
    color: var(--admin-muted);
    font-size: 12px;
    line-height: 1.35;
    text-decoration: none;
    word-break: break-all;
}

.invite-title-cell a:hover {
    color: var(--admin-primary);
    text-decoration: underline;
}

.invite-title-cell code {
    background: var(--admin-surface-2);
    border: 1px solid var(--admin-border);
    border-radius: 7px;
    color: var(--admin-muted);
    display: inline-flex;
    font-family: "JetBrains Mono", Consolas, monospace;
    font-size: 11px;
    justify-self: start;
    padding: 3px 7px;
}

.type-chip {
    background: var(--admin-surface-2);
    border: 1px solid var(--admin-border);
    border-radius: 999px;
    color: var(--admin-muted);
    display: inline-flex;
    font-size: 12px;
    font-weight: 800;
    padding: 5px 10px;
    white-space: nowrap;
}

.table-actions {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.table-action {
    align-items: center;
    background: #fff;
    border: 1px solid var(--admin-border);
    border-radius: 8px;
    color: var(--admin-muted);
    cursor: pointer;
    display: inline-flex;
    font: inherit;
    font-size: 12px;
    font-weight: 800;
    justify-content: center;
    min-height: 30px;
    padding: 0 10px;
    text-decoration: none;
    white-space: nowrap;
}

.table-action:hover {
    background: var(--admin-surface-2);
    border-color: var(--admin-border-strong);
    color: var(--admin-text);
}

.table-action.primary {
    background: #eef2ff;
    border-color: #c7d2fe;
    color: var(--admin-primary-dark);
}

.table-action.warning {
    background: #fffbeb;
    border-color: #fde68a;
    color: #92400e;
}

.table-action:disabled {
    cursor: wait;
    opacity: 0.55;
}

.status-badge {
    border-radius: 999px;
    display: inline-block;
    font-size: 12px;
    font-weight: 900;
    min-width: 48px;
    padding: 5px 10px;
    text-align: center;
}

.status-new { background: #fff3cd; color: #856404; }
.status-check { background: #cce5ff; color: #004085; }
.status-done { background: #d1fae5; color: #047857; }
.status-hold { background: #f3e8ff; color: #6b21a8; }

.message {
    color: var(--admin-muted);
    min-height: 22px;
    padding: 0 24px 18px;
}

.message.error { color: var(--admin-danger); }

.admin-note-list {
    display: grid;
    gap: 10px;
    padding: 20px 24px;
}

.admin-note {
    align-items: center;
    background: var(--admin-surface-2);
    border: 1px solid var(--admin-border);
    border-radius: 10px;
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding: 13px 15px;
}

.admin-note code {
    background: #fff;
    border: 1px solid var(--admin-border);
    border-radius: 7px;
    color: var(--admin-muted);
    font-family: "JetBrains Mono", Consolas, monospace;
    font-size: 12px;
    padding: 5px 9px;
}

.log-viewer-wrap { padding: 0 24px 24px; }

.log-viewer-meta {
    align-items: center;
    background: var(--admin-surface-2);
    border: 1px solid var(--admin-border);
    border-radius: 9px;
    color: var(--admin-muted);
    display: flex;
    font-size: 12px;
    font-weight: 800;
    justify-content: space-between;
    margin-bottom: 10px;
    padding: 10px 14px;
}

.log-viewer {
    background: #0b1020;
    border: 1px solid #1a2236;
    border-radius: 12px;
    color: #cbd5e1;
    font-family: "JetBrains Mono", Consolas, Monaco, monospace;
    font-size: 12px;
    line-height: 1.65;
    margin: 0;
    max-height: 520px;
    overflow: auto;
    padding: 16px;
    white-space: pre-wrap;
}

.log-viewer::-webkit-scrollbar { width: 10px; height: 10px; }
.log-viewer::-webkit-scrollbar-thumb {
    background: #1e293b;
    border: 2px solid #0b1020;
    border-radius: 999px;
}

.db-query-panel { margin-top: 22px; }

.db-query-controls {
    align-items: end;
    display: grid;
    gap: 12px;
    grid-template-columns: 1.1fr 1.1fr 1.4fr 100px auto;
    padding: 20px 24px;
}

.db-query-controls label {
    color: var(--admin-muted);
    font-size: 12px;
    font-weight: 800;
}

.compact-input { width: 100px; }

.invite-form {
    display: grid;
    gap: 20px;
    padding: 24px;
}

.invite-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-field {
    display: grid;
    gap: 6px;
}

.form-field label {
    color: var(--admin-muted);
    font-size: 12px;
    font-weight: 700;
}

.form-field input,
.form-field select,
.form-field textarea {
    border: 1px solid var(--admin-border);
    border-radius: 9px;
    background: var(--admin-surface);
    color: var(--admin-text);
    font: inherit;
    font-size: 14px;
    min-height: 38px;
    outline: none;
    padding: 8px 12px;
    width: 100%;
}

.form-field textarea {
    resize: vertical;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
    border-color: var(--admin-primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.12);
}

.slug-display {
    font-family: "JetBrains Mono", Consolas, monospace;
    color: var(--admin-muted);
    font-size: 13px;
    padding: 9px 12px;
    border: 1px solid var(--admin-border);
    border-radius: 9px;
    background: var(--admin-surface-2);
}

.invite-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

.status-draft     { background: #f1f5f9; color: #475569; }
.status-published { background: #d1fae5; color: #047857; }
.status-hidden    { background: #fef9c3; color: #854d0e; }
.status-archived  { background: #f3f4f6; color: #6b7280; }

.login-body {
    background: var(--admin-bg);
    min-height: 100vh;
}

.login-page {
    display: grid;
    min-height: 100vh;
    padding: 24px;
    place-items: center;
}

.login-panel {
    background: var(--admin-surface);
    border: 1px solid var(--admin-border);
    border-radius: 16px;
    box-shadow: 0 20px 45px rgba(15, 23, 42, 0.1);
    width: min(420px, 100%);
    padding: 30px;
}

.login-panel h1 {
    color: var(--admin-text);
    margin-bottom: 24px;
}

@media (max-width: 960px) {
    .topbar { inset-left: 0; }
    .sidebar { transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); }
    .sidebar-toggle { display: block; }
    .topbar-title { display: flex; flex-direction: column; line-height: 1.1; }
    .topbar-title strong { color: var(--admin-text); font-size: 14px; }
    .topbar-title span { color: var(--admin-subtle); font-size: 11px; }
    .main-content { margin-left: 0; padding-inline: 20px; }
    .stats-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
    .topbar { padding: 0 16px; }
    .main-content { padding-inline: 16px; }
    .page-header,
    .panel-header,
    .table-tools {
        align-items: stretch;
        flex-direction: column;
    }
    .search-input,
    .compact-input { width: 100%; }
    .admin-note { align-items: flex-start; flex-direction: column; }
    .db-query-controls { grid-template-columns: 1fr; }
}