/* PalServers — Glossy Cyan Dark Theme */
:root {
    --primary: #0ea5e9;
    --primary-light: #38bdf8;
    --secondary: #22d3ee;
    --accent: #ecfeff;
    --bg-dark: #0f172a;
    --bg-darker: #020617;
    --surface: rgba(14, 165, 233, 0.15);
    --surface-hover: rgba(14, 165, 233, 0.28);
    --text: #f1f5f9;
    --text-muted: #94a3b8;
    --border: rgba(255,255,255,0.10);
    --shadow: 0 8px 32px rgba(0,0,0,0.35);
    --glow: 0 0 24px rgba(14, 165, 233, 0.35);
    --radius: 16px;
    --radius-sm: 10px;
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, var(--bg-darker) 0%, var(--bg-dark) 100%);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.6;
}

/* Navbar */
.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.8rem 2rem;
    background: rgba(15, 23, 42, 0.65);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-brand a {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
    text-decoration: none;
    letter-spacing: 0.5px;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.nav-links a {
    color: var(--text);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    position: relative;
}

.nav-links a:hover {
    background: rgba(255,255,255,0.08);
    color: var(--accent);
}

.lang-switcher {
    position: relative;
}

.lang-btn {
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 0.4rem 0.7rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 1.1rem;
    transition: var(--transition);
}

.lang-btn:hover {
    background: var(--surface-hover);
    box-shadow: var(--glow);
}

.lang-dropdown {
    display: none;
    position: absolute;
    right: 0;
    top: 2.6rem;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    min-width: 140px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.lang-dropdown.show {
    display: block;
}

.lang-dropdown a {
    display: block;
    padding: 0.6rem 1rem;
    color: var(--text);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

.lang-dropdown a:hover {
    background: var(--surface);
}

.nav-dropdown-menu {
    display: none;
    position: absolute;
    right: 0;
    top: 2.2rem;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    min-width: 160px;
    overflow: hidden;
    box-shadow: var(--shadow);
    z-index: 1000;
}

.nav-dropdown:hover .nav-dropdown-menu {
    display: block;
}

.nav-dropdown-menu a {
    display: block;
    padding: 0.6rem 1rem;
    color: var(--text);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

.nav-dropdown-menu a:hover {
    background: var(--surface);
}

/* Main Content */
.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    min-height: calc(100vh - 140px);
}

/* Glass Panels */
.glass-panel {
    background: var(--surface);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.glass-panel::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.1);
    pointer-events: none;
}

.glass-panel:hover {
    box-shadow: var(--shadow), var(--glow);
    border-color: rgba(255,255,255,0.2);
}

/* Alerts */
.flash-messages {
    margin-bottom: 1.5rem;
}

.alert {
    padding: 0.9rem 1.2rem;
    border-radius: var(--radius-sm);
    margin-bottom: 0.6rem;
    font-size: 0.95rem;
    backdrop-filter: blur(8px);
    border: 1px solid var(--border);
}

.alert-success {
    background: rgba(34, 211, 238, 0.15);
    color: var(--accent);
}

.alert-error {
    background: rgba(220, 53, 69, 0.2);
    color: #ff6b6b;
}

.alert-warning {
    background: rgba(255, 193, 7, 0.2);
    color: #ffe082;
}

.alert-info {
    background: rgba(13, 110, 253, 0.2);
    color: #74c0fc;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.65rem 1.4rem;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition);
    color: white;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    box-shadow: 0 4px 14px rgba(14, 165, 233, 0.35);
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-sm);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.2);
    pointer-events: none;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 22px rgba(14, 165, 233, 0.5), var(--glow);
}

.btn-secondary {
    background: linear-gradient(135deg, #495057 0%, #6c757d 100%);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.btn-steam {
    background: linear-gradient(135deg, #1b2838 0%, #2a475e 100%);
    box-shadow: 0 4px 12px rgba(27, 40, 56, 0.4);
}

.btn-discord {
    background: linear-gradient(135deg, #5865F2 0%, #7289DA 100%);
    box-shadow: 0 4px 12px rgba(88, 101, 242, 0.4);
}

/* Forms */
.form-group {
    margin-bottom: 1.2rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.4rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(0,0,0,0.25);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--secondary);
    box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.2);
}

.form-control::placeholder {
    color: var(--text-muted);
    opacity: 0.6;
}

/* Tabs */
.tab-nav {
    display: flex;
    gap: 0.2rem;
    border-bottom: 1px solid var(--border);
    margin-bottom: 1.5rem;
    padding-bottom: 0;
}

.tab-link {
    padding: 0.8rem 1.4rem;
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}

.tab-link:hover {
    color: var(--text);
    background: rgba(255,255,255,0.04);
}

.tab-link.active {
    color: var(--accent);
    border-bottom-color: var(--secondary);
    background: rgba(34, 211, 238, 0.08);
}

.tab-content {
    display: none;
}

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

/* Server Cards */
.server-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.2rem;
}

.server-card {
    background: var(--surface);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.2rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.server-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.1);
    pointer-events: none;
}

.server-card:hover {
    box-shadow: var(--shadow), var(--glow);
    border-color: rgba(255,255,255,0.2);
}

.server-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 0.5rem;
}

.server-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--accent);
    text-decoration: none;
    line-height: 1.3;
}

.server-name:hover {
    text-decoration: underline;
}

.server-flags {
    display: flex;
    gap: 0.3rem;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.server-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    flex-wrap: wrap;
}

.server-meta span {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.badge-premium {
    background: linear-gradient(135deg, #ffd700, #ffaa00);
    color: #332200;
}

.badge-active {
    background: rgba(34, 211, 238, 0.2);
    color: var(--accent);
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: 0.4rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.pagination a, .pagination span {
    padding: 0.5rem 0.9rem;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
    border: 1px solid var(--border);
}

.pagination a {
    color: var(--text);
    background: var(--surface);
}

.pagination a:hover {
    background: var(--surface-hover);
    box-shadow: var(--glow);
}

.pagination span.current {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border-color: transparent;
}

/* Login / Register */
.auth-container {
    max-width: 420px;
    margin: 2rem auto;
}

.auth-container .glass-panel {
    padding: 2rem;
}

.auth-title {
    text-align: center;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
}

.oauth-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
    margin-top: 1rem;
}

.oauth-buttons .btn {
    justify-content: center;
    width: 100%;
}

.divider {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 1.2rem 0;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.divider::before, .divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

/* Footer */
.site-footer {
    text-align: center;
    padding: 1.5rem;
    color: var(--text-muted);
    font-size: 0.85rem;
    border-top: 1px solid var(--border);
    background: rgba(15, 23, 42, 0.5);
}

/* Tables */
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.92rem;
}

.data-table th, .data-table td {
    padding: 0.8rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.data-table th {
    font-weight: 600;
    color: var(--text-muted);
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.data-table tr:hover td {
    background: rgba(255,255,255,0.03);
}

/* Admin sidebar tabs */
.admin-tabs {
    display: flex;
    gap: 0.3rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.admin-tab {
    padding: 0.6rem 1.2rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}

.admin-tab:hover, .admin-tab.active {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-color: transparent;
    color: white;
    box-shadow: var(--glow);
}

/* Server Detail */
.server-detail-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1rem;
}

/* Responsive */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        gap: 0.6rem;
        padding: 0.8rem 1rem;
    }
    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.6rem;
    }
    .nav-links a {
        padding: 0.3rem 0.5rem;
        font-size: 0.85rem;
    }
    .server-grid {
        grid-template-columns: 1fr;
    }
    .main-content {
        padding: 1rem;
    }
}