/* ============================================
   CommentProxy - Premium Dark Theme
   Red Accent | Modern Admin Panel
   ============================================ */

:root {
    --bg-darkest: #0a0a0a;
    --bg-dark: #0f0f0f;
    --bg-sidebar: #0c0c0c;
    --bg-card: #151515;
    --bg-card-hover: #1a1a1a;
    --bg-input: #1a1a1a;
    --bg-input-focus: #1e1e1e;
    --border: #1f1f1f;
    --border-light: #2a2a2a;
    --text-primary: #f0f0f0;
    --text-secondary: #8a8a8a;
    --text-muted: #555;
    --red: #e63946;
    --red-dark: #b71c1c;
    --red-glow: rgba(230, 57, 70, 0.15);
    --red-glow-strong: rgba(230, 57, 70, 0.3);
    --green: #00c853;
    --yellow: #ffd600;
    --blue: #448aff;
    --sidebar-width: 260px;
    --header-height: 0px;
    --radius: 8px;
    --radius-lg: 12px;
    --transition: all 0.2s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-darkest);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    color: var(--red);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: #ff4757;
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-darkest);
}

::-webkit-scrollbar-thumb {
    background: #2a2a2a;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #3a3a3a;
}

/* ============================================
   LOGIN PAGE
   ============================================ */

.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-darkest);
    padding: 20px;
}

.login-box {
    width: 100%;
    max-width: 400px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px;
    position: relative;
    overflow: hidden;
}

.login-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--red-dark), var(--red), var(--red-dark));
}

.login-logo {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.login-logo h1 span {
    color: var(--red);
}

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

/* ============================================
   FORMS
   ============================================ */

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    transition: var(--transition);
    outline: none;
}

.form-control:focus {
    border-color: var(--red);
    background: var(--bg-input-focus);
    box-shadow: 0 0 0 3px var(--red-glow);
}

.form-control::placeholder {
    color: var(--text-muted);
}

textarea.form-control {
    resize: vertical;
    min-height: 80px;
}

select.form-control {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238a8a8a' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

.form-hint {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 6px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* Toggle Switch */
.toggle-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
}

.toggle-wrap span {
    font-size: 14px;
    color: var(--text-secondary);
}

.toggle {
    position: relative;
    width: 44px;
    height: 24px;
}

.toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--border-light);
    border-radius: 24px;
    transition: var(--transition);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background: var(--text-secondary);
    border-radius: 50%;
    transition: var(--transition);
}

.toggle input:checked + .toggle-slider {
    background: var(--red);
}

.toggle input:checked + .toggle-slider::before {
    transform: translateX(20px);
    background: white;
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border: 1px solid transparent;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: var(--transition);
    outline: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--red);
    color: #fff;
    border-color: var(--red);
}

.btn-primary:hover {
    background: #ff4757;
    border-color: #ff4757;
    box-shadow: 0 4px 15px var(--red-glow-strong);
}

.btn-secondary {
    background: transparent;
    color: var(--text-secondary);
    border-color: var(--border-light);
}

.btn-secondary:hover {
    border-color: var(--text-secondary);
    color: var(--text-primary);
}

.btn-danger {
    background: transparent;
    color: var(--red);
    border-color: var(--red-dark);
}

.btn-danger:hover {
    background: var(--red-dark);
    color: #fff;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

.btn-block {
    display: flex;
    width: 100%;
    justify-content: center;
}

.btn-group {
    display: flex;
    gap: 8px;
}

/* ============================================
   LAYOUT
   ============================================ */

.app-layout {
    display: flex;
    min-height: 100vh;
}

/* ---- Sidebar ---- */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border);
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    z-index: 100;
    overflow-y: auto;
}

.sidebar-brand {
    padding: 24px 24px 20px;
    border-bottom: 1px solid var(--border);
}

.sidebar-brand h2 {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.sidebar-brand h2 span {
    color: var(--red);
}

.sidebar-brand .version {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 4px;
}

.sidebar-nav {
    flex: 1;
    padding: 16px 0;
}

.nav-section {
    padding: 0 12px;
    margin-bottom: 8px;
}

.nav-section-title {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-muted);
    padding: 8px 16px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 16px;
    border-radius: var(--radius);
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 400;
    transition: var(--transition);
    margin-bottom: 2px;
    cursor: pointer;
    text-decoration: none;
}

.nav-item:hover {
    background: var(--bg-card);
    color: var(--text-primary);
}

.nav-item.active {
    background: var(--red-glow);
    color: var(--red);
    font-weight: 500;
    border-left: 3px solid var(--red);
    margin-left: -3px;
}

.nav-item i {
    font-size: 18px;
    width: 22px;
    text-align: center;
    opacity: 0.7;
}

.nav-item.active i {
    opacity: 1;
}

.nav-item .badge {
    margin-left: auto;
    background: var(--red);
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: 10px;
    min-width: 20px;
    text-align: center;
}

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--border);
}

.sidebar-footer .nav-item {
    color: var(--text-muted);
}

.sidebar-footer .nav-item:hover {
    color: var(--red);
    background: var(--red-glow);
}

/* ---- Main Content ---- */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 32px;
    min-height: 100vh;
}

.page-header {
    margin-bottom: 32px;
}

.page-header h1 {
    font-size: 26px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.page-header p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: 6px;
}

/* ============================================
   CARDS
   ============================================ */

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

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

.card-header h3 {
    font-size: 15px;
    font-weight: 600;
}

.card-body {
    padding: 24px;
}

.card-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* ============================================
   STAT CARDS
   ============================================ */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 28px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background: var(--red);
    opacity: 0;
    transition: var(--transition);
}

.stat-card:hover::before {
    opacity: 1;
}

.stat-card:hover {
    border-color: var(--border-light);
    transform: translateY(-2px);
}

.stat-card .stat-icon {
    font-size: 20px;
    color: var(--red);
    margin-bottom: 16px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--red-glow);
    border-radius: var(--radius);
}

.stat-card .stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

.stat-card .stat-label {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 6px;
}

/* ============================================
   TABLES
   ============================================ */

.table-wrap {
    overflow-x: auto;
}

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

table thead th {
    text-align: left;
    padding: 12px 16px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

table tbody td {
    padding: 12px 16px;
    font-size: 13px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

table tbody tr:hover {
    background: var(--bg-card-hover);
}

table tbody tr:last-child td {
    border-bottom: none;
}

/* ============================================
   BADGES / STATUS
   ============================================ */

.status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 500;
    padding: 4px 10px;
    border-radius: 20px;
}

.status-active {
    background: rgba(0, 200, 83, 0.1);
    color: var(--green);
}

.status-inactive {
    background: rgba(255, 71, 87, 0.1);
    color: var(--red);
}

.status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    display: inline-block;
}

.status-active .status-dot {
    background: var(--green);
}

.status-inactive .status-dot {
    background: var(--red);
}

.http-status {
    font-weight: 600;
    font-size: 12px;
    font-family: 'SFMono-Regular', Consolas, monospace;
}

.http-2xx { color: var(--green); }
.http-3xx { color: var(--blue); }
.http-4xx { color: var(--yellow); }
.http-5xx { color: var(--red); }

/* ============================================
   HORIZONTAL TABS (Settings Sub-menus)
   ============================================ */

.tabs {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--border);
    margin-bottom: 28px;
    overflow-x: auto;
}

.tab-item {
    padding: 12px 24px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-muted);
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
}

.tab-item:hover {
    color: var(--text-secondary);
}

.tab-item.active {
    color: var(--red);
    border-bottom-color: var(--red);
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
}

/* ============================================
   ALERTS
   ============================================ */

.alert {
    padding: 14px 18px;
    border-radius: var(--radius);
    font-size: 13px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-success {
    background: rgba(0, 200, 83, 0.08);
    border: 1px solid rgba(0, 200, 83, 0.2);
    color: var(--green);
}

.alert-error {
    background: rgba(230, 57, 70, 0.08);
    border: 1px solid rgba(230, 57, 70, 0.2);
    color: var(--red);
}

.alert-info {
    background: rgba(68, 138, 255, 0.08);
    border: 1px solid rgba(68, 138, 255, 0.2);
    color: var(--blue);
}

/* ============================================
   GENERATE PAGE
   ============================================ */

.generate-result {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    margin-top: 20px;
}

.generated-link {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--bg-darkest);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    padding: 14px 18px;
    margin-top: 12px;
}

.generated-link code {
    flex: 1;
    font-size: 14px;
    color: var(--red);
    font-family: 'SFMono-Regular', Consolas, monospace;
    word-break: break-all;
}

.generated-link .btn-copy {
    padding: 6px 14px;
    background: var(--red);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 12px;
    font-weight: 600;
    transition: var(--transition);
}

.generated-link .btn-copy:hover {
    background: #ff4757;
}

/* ============================================
   PROXY LIST TABLE
   ============================================ */

.code-badge {
    font-family: 'SFMono-Regular', Consolas, monospace;
    font-size: 13px;
    font-weight: 600;
    color: var(--red);
    background: var(--red-glow);
    padding: 4px 10px;
    border-radius: 4px;
}

.url-cell {
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--text-secondary);
}

/* ============================================
   ERROR LOG
   ============================================ */

.error-type {
    font-family: 'SFMono-Regular', Consolas, monospace;
    font-size: 12px;
    font-weight: 600;
    color: var(--yellow);
    background: rgba(255, 214, 0, 0.08);
    padding: 3px 8px;
    border-radius: 4px;
}

.error-message {
    max-width: 400px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 12px;
}

/* ============================================
   EMPTY STATE
   ============================================ */

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.3;
}

.empty-state h3 {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.empty-state p {
    font-size: 13px;
}

/* ============================================
   UTILITIES
   ============================================ */

.text-red { color: var(--red); }
.text-green { color: var(--green); }
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-mono { font-family: 'SFMono-Regular', Consolas, monospace; }

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }

.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }

.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
        padding: 20px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .mobile-toggle {
        display: flex !important;
    }
}

.mobile-toggle {
    display: none;
    position: fixed;
    top: 16px;
    left: 16px;
    z-index: 200;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 10px;
    cursor: pointer;
    color: var(--text-primary);
    font-size: 18px;
}