/* ============================================
   Remote Admin Dashboard - Styles
   ============================================ */

:root {
    --bg-primary: #0a0e17;
    --bg-secondary: #111827;
    --bg-card: #1a2332;
    --bg-input: #1e293b;
    --border-color: #2d3a4e;
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent-green: #22c55e;
    --accent-red: #ef4444;
    --accent-blue: #3b82f6;
    --accent-yellow: #eab308;
    --accent-purple: #a855f7;
    --accent-cyan: #06b6d4;
    --hover-bg: #1e2d42;
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.3);
    --radius: 8px;
    --radius-sm: 4px;
    --transition: all 0.2s ease;
}

* {
    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-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.5;
}

/* ============================================
   Login Screen
   ============================================ */

.login-screen {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
    background: radial-gradient(ellipse at center, var(--bg-secondary) 0%, var(--bg-primary) 70%);
}

.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 40px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
    text-align: center;
}

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

.login-card h1 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.login-subtitle {
    color: var(--text-secondary);
    margin-bottom: 32px;
    font-size: 14px;
}

.login-error {
    color: var(--accent-red);
    font-size: 13px;
    margin-bottom: 12px;
    min-height: 20px;
}

/* ============================================
   Forms
   ============================================ */

.form-group {
    margin-bottom: 16px;
    text-align: left;
}

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

.form-group input,
.form-group select {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 14px;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(59,130,246,0.15);
}

/* ============================================
   Buttons
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 16px;
    border: 1px solid transparent;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: var(--accent-blue);
    color: white;
    border-color: var(--accent-blue);
}

.btn-primary:hover {
    background: #2563eb;
}

.btn-secondary {
    background: var(--bg-input);
    color: var(--text-primary);
    border-color: var(--border-color);
}

.btn-secondary:hover {
    background: var(--hover-bg);
}

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

.btn-outline:hover {
    background: var(--hover-bg);
    color: var(--text-primary);
}

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

.btn-danger:hover {
    background: #dc2626;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 13px;
}

.btn-xs {
    padding: 3px 8px;
    font-size: 11px;
}

.btn-full {
    width: 100%;
    padding: 12px;
}

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

/* ============================================
   Dashboard Layout
   ============================================ */

.dashboard {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.top-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    height: 56px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 16px;
}

.nav-icon {
    font-size: 22px;
}

.nav-tabs {
    display: flex;
    gap: 4px;
}

.nav-tab {
    padding: 8px 16px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    border-radius: var(--radius);
    transition: var(--transition);
}

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

.nav-tab.active {
    background: var(--accent-blue);
    color: white;
}

.nav-user {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-name {
    color: var(--text-secondary);
    font-size: 13px;
}

/* ============================================
   Main Content
   ============================================ */

.main-content {
    flex: 1;
    padding: 24px;
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
}

/* ============================================
   Stats Bar
   ============================================ */

.stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

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

.stat-value {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 13px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-online .stat-value { color: var(--accent-green); }
.stat-offline .stat-value { color: var(--accent-red); }
.stat-commands .stat-value { color: var(--accent-cyan); }

/* ============================================
   Tabs
   ============================================ */

.tab-content {
    display: none;
}

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

.tab-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    flex-wrap: wrap;
    gap: 12px;
}

.tab-header h2 {
    font-size: 20px;
    font-weight: 600;
}

.tab-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}

.search-input {
    padding: 8px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 13px;
    width: 220px;
}

.search-input:focus {
    outline: none;
    border-color: var(--accent-blue);
}

.select-input {
    padding: 8px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 13px;
    min-width: 200px;
}

.select-input:focus {
    outline: none;
    border-color: var(--accent-blue);
}

/* ============================================
   Tables
   ============================================ */

.table-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow-x: auto;
}

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

th {
    padding: 12px 16px;
    text-align: left;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
    white-space: nowrap;
}

td {
    padding: 12px 16px;
    font-size: 14px;
    border-bottom: 1px solid var(--border-color);
}

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

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

.loading-cell {
    text-align: center;
    padding: 40px !important;
    color: var(--text-muted);
}

/* Status badges */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.status-badge.online {
    background: rgba(34,197,94,0.15);
    color: var(--accent-green);
}

.status-badge.offline {
    background: rgba(239,68,68,0.15);
    color: var(--accent-red);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.status-dot.online { background: var(--accent-green); box-shadow: 0 0 6px var(--accent-green); }
.status-dot.offline { background: var(--accent-red); }

/* Action buttons in table */
.action-btn {
    padding: 4px 8px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 12px;
    transition: var(--transition);
}

.action-btn:hover {
    background: var(--hover-bg);
    color: var(--text-primary);
}

.action-btn.danger:hover {
    border-color: var(--accent-red);
    color: var(--accent-red);
}

/* Version mismatch warning */
.version-warning {
    color: var(--accent-yellow);
    font-size: 11px;
    display: block;
}

/* ============================================
   Pagination
   ============================================ */

.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 16px;
    padding: 12px;
}

.page-btn {
    padding: 6px 12px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 13px;
    transition: var(--transition);
}

.page-btn:hover {
    background: var(--hover-bg);
    color: var(--text-primary);
}

.page-btn.active {
    background: var(--accent-blue);
    color: white;
    border-color: var(--accent-blue);
}

.page-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.page-info {
    color: var(--text-muted);
    font-size: 13px;
    margin: 0 8px;
}

/* ============================================
   Terminal
   ============================================ */

.terminal-container {
    background: #0d1117;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
    font-family: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
}

.terminal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 16px;
    background: #161b22;
    border-bottom: 1px solid var(--border-color);
    font-size: 12px;
    color: var(--text-muted);
}

.terminal-output {
    height: 400px;
    overflow-y: auto;
    padding: 16px;
    font-size: 13px;
    line-height: 1.6;
}

.terminal-output::-webkit-scrollbar {
    width: 8px;
}

.terminal-output::-webkit-scrollbar-track {
    background: #0d1117;
}

.terminal-output::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

.terminal-line {
    white-space: pre-wrap;
    word-break: break-all;
    margin-bottom: 2px;
}

.terminal-line.terminal-info {
    color: var(--text-muted);
    font-style: italic;
}

.terminal-line.terminal-success {
    color: var(--accent-green);
}

.terminal-line.terminal-error {
    color: var(--accent-red);
}

.terminal-line.terminal-output-text {
    color: var(--text-primary);
}

.terminal-line.terminal-prompt-line {
    color: var(--accent-green);
}

.terminal-input-line {
    display: flex;
    align-items: center;
    padding: 8px 16px;
    background: #161b22;
    border-top: 1px solid var(--border-color);
    gap: 8px;
}

.terminal-prompt {
    color: var(--accent-green);
    font-weight: 700;
    font-size: 14px;
}

.terminal-input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 14px;
    outline: none;
}

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

.quick-commands {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 12px;
    flex-wrap: wrap;
}

.quick-label {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 500;
}

/* ============================================
   Modal
   ============================================ */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    width: 90%;
    max-width: 700px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

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

.modal-header h3 {
    font-size: 16px;
    font-weight: 600;
}

.modal-close {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 24px;
    cursor: pointer;
    padding: 0 4px;
}

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

.modal-body {
    padding: 20px;
    overflow-y: auto;
    flex: 1;
}

.modal-footer {
    padding: 12px 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
}

.result-output {
    background: #0d1117;
    padding: 16px;
    border-radius: var(--radius);
    font-family: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
    font-size: 13px;
    line-height: 1.5;
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-all;
    color: var(--text-primary);
    max-height: 400px;
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 768px) {
    .stats-bar {
        grid-template-columns: repeat(2, 1fr);
    }

    .top-nav {
        padding: 0 12px;
    }

    .nav-title {
        display: none;
    }

    .main-content {
        padding: 12px;
    }

    .tab-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .search-input {
        width: 100%;
    }

    .terminal-output {
        height: 250px;
    }
}

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

    .nav-tabs {
        gap: 2px;
    }

    .nav-tab {
        padding: 6px 10px;
        font-size: 12px;
    }
}

/* ============================================
   Animations
   ============================================ */

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.loading-cell {
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.btn-loader {
    display: inline-block;
    animation: spin 1s linear infinite;
}

/* ============================================
   Utility
   ============================================ */

.text-muted { color: var(--text-muted); }
.text-success { color: var(--accent-green); }
.text-danger { color: var(--accent-red); }
.text-warning { color: var(--accent-yellow); }
.text-info { color: var(--accent-cyan); }