/* ======================================
   BACKUP SYSTEM - DARK THEME
   Xamu Systems - 2026
   ====================================== */

:root {
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --primary-glow: rgba(59, 130, 246, 0.3);
    --secondary: #64748b;
    --success: #10b981;
    --success-bg: rgba(16, 185, 129, 0.15);
    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.15);
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.15);

    /* Dark Theme Colors */
    --bg: #0f172a;
    --bg-secondary: #1e293b;
    --surface: #1e293b;
    --surface-hover: #334155;
    --text: #f1f5f9;
    --text-muted: #94a3b8;
    --text-dim: #64748b;
    --border: #334155;
    --border-light: #475569;

    /* Glassmorphism */
    --glass-bg: rgba(30, 41, 59, 0.8);
    --glass-border: rgba(148, 163, 184, 0.1);
}

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

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

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

.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--bg) 0%, var(--bg-secondary) 50%, #0c1222 100%);
    position: relative;
    overflow: hidden;
}

.login-container::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, var(--primary-glow) 0%, transparent 50%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.1); }
}

.login-box {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    padding: 3rem;
    border-radius: 1.5rem;
    border: 1px solid var(--glass-border);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    width: 100%;
    max-width: 420px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.login-box h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--text);
    font-weight: 700;
}

.login-box p {
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.login-box input {
    width: 100%;
    padding: 1rem 1.25rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    font-size: 1rem;
    color: var(--text);
    margin-bottom: 1rem;
    transition: all 0.3s;
}

.login-box input::placeholder {
    color: var(--text-dim);
}

.login-box input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.login-box button {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    border: none;
    border-radius: 0.75rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.login-box button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -5px var(--primary-glow);
}

.error {
    color: var(--danger);
    margin-top: 1rem;
    font-size: 0.875rem;
}

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

.header {
    background: var(--surface);
    padding: 1.25rem 2rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--text) 0%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-actions {
    display: flex;
    gap: 0.75rem;
}

.nav {
    background: var(--surface);
    padding: 0 2rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    gap: 0.25rem;
    overflow-x: auto;
}

.nav-item {
    padding: 1rem 1.5rem;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-muted);
    transition: all 0.2s;
    white-space: nowrap;
}

.nav-item:hover {
    color: var(--primary);
    background: var(--surface-hover);
}

.nav-item.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.content {
    padding: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.content-page {
    display: none;
}

.content-page.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.content-page h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text);
}

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

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--surface);
    padding: 1.5rem;
    border-radius: 1rem;
    border: 1px solid var(--border);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--success));
}

.stat-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-light);
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.3);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.8125rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ======================================
   SITES GRID
   ====================================== */

.sites-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.25rem;
}

.site-card {
    background: var(--surface);
    padding: 1.5rem;
    border-radius: 1rem;
    border: 1px solid var(--border);
    transition: all 0.3s;
    cursor: pointer;
}

.site-card:hover {
    transform: translateY(-2px);
    border-color: var(--primary);
    box-shadow: 0 0 20px -5px var(--primary-glow);
}

.site-card h3 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    color: var(--text);
    word-break: break-all;
}

.site-card p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.site-card .site-status {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 2rem;
    font-size: 0.75rem;
    font-weight: 500;
    background: var(--success-bg);
    color: var(--success);
    margin-top: 0.75rem;
}

/* ======================================
   SERVER PRESETS
   ====================================== */

.server-presets {
    margin-bottom: 2rem;
}

.server-presets h3 {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
    font-weight: 500;
}

.preset-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1rem;
}

.preset-card {
    background: var(--surface);
    padding: 1.25rem;
    border-radius: 0.75rem;
    border: 1px solid var(--border);
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.preset-card:hover {
    border-color: var(--primary);
    background: var(--surface-hover);
}

.preset-card.selected {
    border-color: var(--primary);
    background: rgba(59, 130, 246, 0.1);
}

.preset-icon {
    width: 48px;
    height: 48px;
    border-radius: 0.75rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.preset-info {
    flex: 1;
    min-width: 0;
}

.preset-name {
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.25rem;
}

.preset-url {
    font-size: 0.8125rem;
    color: var(--text-dim);
    font-family: 'Courier New', monospace;
}

/* ======================================
   TABLE
   ====================================== */

.table-container {
    background: var(--surface);
    border-radius: 1rem;
    border: 1px solid var(--border);
    overflow: hidden;
}

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

thead {
    background: var(--bg);
}

th {
    padding: 1rem 1.25rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.8125rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

td {
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--border);
    color: var(--text);
}

tr:hover td {
    background: var(--surface-hover);
}

td code {
    background: var(--bg);
    padding: 0.25rem 0.5rem;
    border-radius: 0.375rem;
    font-size: 0.75rem;
    color: var(--primary);
}

.loading {
    text-align: center;
    color: var(--text-muted);
    padding: 3rem !important;
}

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

.form {
    background: var(--surface);
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid var(--border);
    max-width: 700px;
}

.form-section {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border);
}

.form-section:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.form-section-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text);
    font-size: 0.9375rem;
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="number"],
.form-group select {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    font-size: 1rem;
    color: var(--text);
    transition: all 0.2s;
}

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

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.form-group small {
    display: block;
    margin-top: 0.375rem;
    color: var(--text-dim);
    font-size: 0.8125rem;
}

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

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    padding: 1rem;
    background: var(--bg);
    border-radius: 0.75rem;
    border: 1px solid var(--border);
    transition: all 0.2s;
}

.checkbox-label:hover {
    border-color: var(--primary);
}

.checkbox-label input[type="checkbox"] {
    width: 1.25rem;
    height: 1.25rem;
    accent-color: var(--primary);
}

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

.btn-primary {
    padding: 0.875rem 1.75rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    border: none;
    border-radius: 0.75rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -5px var(--primary-glow);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    padding: 0.75rem 1.25rem;
    background: var(--surface-hover);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

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

.btn-danger {
    padding: 0.5rem 1rem;
    background: var(--danger-bg);
    color: var(--danger);
    border: 1px solid var(--danger);
    border-radius: 0.5rem;
    font-size: 0.8125rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

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

.btn-success {
    padding: 0.75rem 1.25rem;
    background: var(--success-bg);
    color: var(--success);
    border: 1px solid var(--success);
    border-radius: 0.75rem;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

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

.btn-icon {
    padding: 0.625rem;
    background: var(--surface-hover);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    font-size: 1.125rem;
    cursor: pointer;
    transition: all 0.2s;
    color: var(--text);
}

.btn-icon:hover {
    background: var(--border);
    border-color: var(--border-light);
}

/* ======================================
   TOOLBAR
   ====================================== */

.toolbar {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.toolbar input {
    flex: 1;
    min-width: 200px;
    padding: 0.75rem 1rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    font-size: 0.9375rem;
    color: var(--text);
}

.toolbar input::placeholder {
    color: var(--text-dim);
}

.toolbar input:focus {
    outline: none;
    border-color: var(--primary);
}

/* ======================================
   PROGRESS
   ====================================== */

.progress-box {
    background: var(--surface);
    padding: 3rem;
    border-radius: 1rem;
    border: 1px solid var(--border);
    text-align: center;
    max-width: 400px;
}

.spinner {
    width: 56px;
    height: 56px;
    margin: 0 auto 1.5rem;
    border: 4px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.progress-box p {
    color: var(--text-muted);
    font-size: 1rem;
}

/* ======================================
   INFO GRID
   ====================================== */

.info-grid {
    display: grid;
    gap: 0.75rem;
}

.info-item {
    background: var(--surface);
    padding: 1.25rem 1.5rem;
    border-radius: 0.75rem;
    border: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.info-label {
    font-weight: 500;
    color: var(--text);
}

.info-value {
    font-family: 'Courier New', monospace;
    color: var(--text-muted);
    font-size: 0.875rem;
    background: var(--bg);
    padding: 0.375rem 0.75rem;
    border-radius: 0.375rem;
}

/* ======================================
   MESSAGES
   ====================================== */

.message {
    padding: 1rem 1.5rem;
    border-radius: 0.75rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.message.success {
    background: var(--success-bg);
    color: var(--success);
    border: 1px solid var(--success);
}

.message.error {
    background: var(--danger-bg);
    color: var(--danger);
    border: 1px solid var(--danger);
}

.message.warning {
    background: var(--warning-bg);
    color: var(--warning);
    border: 1px solid var(--warning);
}

.message code {
    background: rgba(0, 0, 0, 0.2);
    padding: 0.125rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.875rem;
}

/* ======================================
   QUICK ACTIONS
   ====================================== */

.quick-actions {
    background: var(--surface);
    padding: 1.5rem;
    border-radius: 1rem;
    border: 1px solid var(--border);
    margin-bottom: 2rem;
}

.quick-actions h3 {
    font-size: 0.9375rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
    font-weight: 500;
}

.quick-actions-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.quick-action-btn {
    padding: 0.75rem 1.25rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    color: var(--text);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.quick-action-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(59, 130, 246, 0.1);
}

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

@media (max-width: 768px) {
    .header {
        padding: 1rem;
    }

    .header h1 {
        font-size: 1.25rem;
    }

    .nav {
        padding: 0 1rem;
    }

    .nav-item {
        padding: 0.875rem 1rem;
        font-size: 0.875rem;
    }

    .content {
        padding: 1rem;
    }

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

    .form {
        padding: 1.5rem;
    }

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

    .toolbar {
        flex-direction: column;
    }

    .toolbar input {
        width: 100%;
    }
}

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

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