/* ===== 微社云 - 黑金风格样式 ===== */

:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #111118;
    --bg-card: #16161f;
    --bg-card-hover: #1c1c28;
    --bg-input: #1a1a26;
    --gold: #d4a853;
    --gold-light: #e8c46a;
    --gold-dark: #b8913e;
    --gold-gradient: linear-gradient(135deg, #d4a853, #e8c46a);
    --text-primary: #e8e8f0;
    --text-secondary: #9090a0;
    --text-muted: #606070;
    --border: #2a2a3a;
    --border-focus: #d4a853;
    --danger: #e74c3c;
    --success: #2ecc71;
    --warning: #f39c12;
    --info: #3498db;
    --shadow: 0 4px 20px rgba(0,0,0,0.4);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

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

a:hover {
    color: var(--gold-light);
}

/* ===== 滚动条 ===== */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ===== 布局 ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== Header ===== */
.header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 16px 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 22px;
    font-weight: 700;
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 1px;
}

.nav {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav a {
    color: var(--text-secondary);
    font-size: 14px;
    transition: var(--transition);
}

.nav a:hover {
    color: var(--gold);
}

.nav .btn-sm {
    padding: 6px 16px;
    font-size: 13px;
}

/* ===== Main Content ===== */
.main {
    padding-top: 80px;
    min-height: 100vh;
}

.section {
    padding: 60px 0;
}

/* ===== Auth Pages ===== */
.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
    background: radial-gradient(ellipse at center, #111118 0%, #0a0a0f 70%);
}

.auth-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow);
}

.auth-card h1 {
    text-align: center;
    font-size: 28px;
    margin-bottom: 8px;
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.auth-card .subtitle {
    text-align: center;
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 32px;
}

.auth-tabs {
    display: flex;
    border-bottom: 1px solid var(--border);
    margin-bottom: 24px;
}

.auth-tab {
    flex: 1;
    text-align: center;
    padding: 12px;
    cursor: pointer;
    color: var(--text-muted);
    border-bottom: 2px solid transparent;
    transition: var(--transition);
    font-size: 14px;
    background: none;
    border-top: none;
    border-left: none;
    border-right: none;
}

.auth-tab:hover {
    color: var(--text-primary);
}

.auth-tab.active {
    color: var(--gold);
    border-bottom-color: var(--gold);
}

.auth-form {
    display: none;
}

.auth-form.active {
    display: block;
}

/* ===== Cards ===== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    transition: var(--transition);
}

.card:hover {
    border-color: rgba(212, 168, 83, 0.2);
}

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

.card-header h2 {
    font-size: 18px;
    font-weight: 600;
}

.card-header h2 .gold {
    color: var(--gold);
}

/* ===== Forms ===== */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 6px;
    font-weight: 500;
}

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

.form-input:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(212, 168, 83, 0.1);
}

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

.form-error {
    color: var(--danger);
    font-size: 12px;
    margin-top: 4px;
    display: none;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--gold-gradient);
    color: #0a0a0f;
    width: 100%;
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(212, 168, 83, 0.3);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-primary);
}

.btn-outline:hover {
    border-color: var(--gold);
    color: var(--gold);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 13px;
}

.btn-danger {
    background: var(--danger);
    color: white;
}

.btn-danger:hover {
    background: #c0392b;
}

.btn-success {
    background: var(--success);
    color: white;
}

.btn-success:hover {
    background: #27ae60;
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    padding: 8px;
}

.btn-ghost:hover {
    color: var(--gold);
}

/* ===== Tables ===== */
.table-wrapper {
    overflow-x: auto;
}

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

table th,
table td {
    padding: 12px 16px;
    text-align: left;
    font-size: 14px;
    border-bottom: 1px solid var(--border);
}

table th {
    color: var(--text-muted);
    font-weight: 500;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

table tr:hover td {
    background: rgba(212, 168, 83, 0.03);
}

/* ===== Status Badge ===== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.badge-success {
    background: rgba(46, 204, 113, 0.15);
    color: var(--success);
}

.badge-warning {
    background: rgba(243, 156, 18, 0.15);
    color: var(--warning);
}

.badge-danger {
    background: rgba(231, 76, 60, 0.15);
    color: var(--danger);
}

.badge-info {
    background: rgba(52, 152, 219, 0.15);
    color: var(--info);
}

.badge-gold {
    background: rgba(212, 168, 83, 0.15);
    color: var(--gold);
}

/* ===== Stats Grid ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    transition: var(--transition);
}

.stat-card:hover {
    border-color: rgba(212, 168, 83, 0.2);
    transform: translateY(-2px);
}

.stat-card .stat-label {
    color: var(--text-muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.stat-card .stat-value {
    font-size: 28px;
    font-weight: 700;
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* ===== Subscription Plan Cards ===== */
.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.plan-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 30px;
    text-align: center;
    transition: var(--transition);
    position: relative;
}

.plan-card:hover {
    transform: translateY(-4px);
    border-color: rgba(212, 168, 83, 0.3);
    box-shadow: 0 8px 30px rgba(0,0,0,0.3);
}

.plan-card.featured {
    border-color: var(--gold);
    box-shadow: 0 0 30px rgba(212, 168, 83, 0.1);
}

.plan-card .plan-name {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.plan-card .plan-price {
    font-size: 36px;
    font-weight: 700;
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin: 16px 0;
}

.plan-card .plan-price .currency {
    font-size: 18px;
}

.plan-card .plan-price .period {
    font-size: 14px;
    color: var(--text-muted);
    -webkit-text-fill-color: var(--text-muted);
}

.plan-card .plan-features {
    list-style: none;
    margin: 20px 0;
    text-align: left;
}

.plan-card .plan-features li {
    padding: 8px 0;
    color: var(--text-secondary);
    font-size: 14px;
}

.plan-card .plan-features li::before {
    content: '✓';
    color: var(--gold);
    margin-right: 8px;
    font-weight: bold;
}

.plan-card .popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gold-gradient);
    color: #0a0a0f;
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
}

/* ===== Progress Bar ===== */
.progress-bar {
    background: var(--bg-input);
    border-radius: 10px;
    height: 8px;
    overflow: hidden;
    margin: 8px 0;
}

.progress-bar .progress-fill {
    height: 100%;
    border-radius: 10px;
    background: var(--gold-gradient);
    transition: width 0.5s ease;
}

/* ===== Toast ===== */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    padding: 14px 20px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    box-shadow: var(--shadow);
    animation: slideIn 0.3s ease;
    min-width: 280px;
    max-width: 400px;
}

.toast-success {
    background: rgba(46, 204, 113, 0.9);
    color: white;
}

.toast-error {
    background: rgba(231, 76, 60, 0.9);
    color: white;
}

.toast-info {
    background: rgba(52, 152, 219, 0.9);
    color: white;
}

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* ===== Loading ===== */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.loading::after {
    content: '';
    width: 32px;
    height: 32px;
    border: 3px solid var(--border);
    border-top-color: var(--gold);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ===== Modal ===== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(4px);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    width: 100%;
    max-width: 500px;
    box-shadow: var(--shadow);
    max-height: 80vh;
    overflow-y: auto;
}

.modal h2 {
    margin-bottom: 20px;
    font-size: 20px;
}

.modal-close {
    float: right;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 20px;
}

.modal-close:hover {
    color: var(--text-primary);
}

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

.empty-state .icon {
    font-size: 48px;
    margin-bottom: 16px;
}

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

/* ===== Dashboard Layout ===== */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.dashboard-grid .full-width {
    grid-column: 1 / -1;
}

/* ===== Server List ===== */
.server-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    margin-bottom: 8px;
    transition: var(--transition);
}

.server-item:hover {
    border-color: rgba(212, 168, 83, 0.2);
}

.server-item .server-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.server-item .server-icon {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background: var(--bg-input);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.server-item .server-name {
    font-weight: 600;
    margin-bottom: 2px;
}

.server-item .server-meta {
    color: var(--text-muted);
    font-size: 12px;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .header .container {
        flex-wrap: wrap;
    }

    .nav {
        gap: 12px;
    }

    .auth-card {
        padding: 24px;
    }

    .card {
        padding: 16px;
    }

    .table-wrapper table th,
    .table-wrapper table td {
        padding: 8px 12px;
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .auth-card {
        padding: 20px;
    }

    .plan-card {
        padding: 24px 16px;
    }
}

/* ===== Page Title ===== */
.page-title {
    margin-bottom: 30px;
}

.page-title h1 {
    font-size: 28px;
    margin-bottom: 8px;
}

.page-title p {
    color: var(--text-muted);
    font-size: 14px;
}

/* ===== Sub Info Section ===== */
.sub-info {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.sub-info-item {
    flex: 1;
    min-width: 120px;
}

.sub-info-item .label {
    color: var(--text-muted);
    font-size: 12px;
    margin-bottom: 4px;
}

.sub-info-item .value {
    font-size: 16px;
    font-weight: 600;
}