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

:root {
    --bg-primary: #1e1e1e;
    --bg-secondary: #252526;
    --bg-sidebar: #2d2d2d;
    --bg-card: #2d2d2d;
    --bg-input: #3c3c3c;
    --text-primary: #cccccc;
    --text-secondary: #969696;
    --text-muted: #6e6e6e;
    --accent: #007acc;
    --accent-hover: #1a8ad4;
    --danger: #f44747;
    --danger-hover: #e81123;
    --success: #4ec9b0;
    --warning: #cca700;
    --border: #3c3c3c;
    --border-light: #3c3c3c;
    --font-mono: 'Consolas', 'Courier New', monospace;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

html, body {
    height: 100%;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 14px;
    line-height: 1.5;
}

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

a:hover {
    color: var(--accent-hover);
}

/* ========== LOGIN ========== */
.login-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #1e1e1e 0%, #0d0d0d 100%);
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.login-box {
    background: var(--bg-sidebar);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 40px;
}

.login-logo {
    text-align: center;
    margin-bottom: 30px;
}

.login-logo .logo-bracket {
    font-size: 48px;
    color: var(--accent);
    font-family: var(--font-mono);
    font-weight: bold;
}

.login-logo h1 {
    font-size: 28px;
    color: var(--text-primary);
    margin-top: 10px;
}

.login-logo p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: 5px;
}

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

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

.login-form input {
    width: 100%;
    padding: 10px 12px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}

.login-form input:focus {
    border-color: var(--accent);
}

/* ========== ALERTS ========== */
.alert {
    padding: 10px 14px;
    border-radius: 4px;
    margin-bottom: 20px;
    font-size: 13px;
}

.alert-error {
    background: rgba(244, 71, 71, 0.15);
    border: 1px solid var(--danger);
    color: var(--danger);
}

/* ========== BUTTONS ========== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: none;
    border-radius: 4px;
    font-size: 13px;
    font-family: var(--font-sans);
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--accent-hover);
}

.btn-secondary {
    background: var(--bg-input);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

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

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

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

.btn-success {
    background: var(--success);
    color: #1e1e1e;
    font-weight: 600;
}

.btn-success:hover {
    background: #6ad4b0;
}

.btn-sm {
    padding: 4px 10px;
    font-size: 12px;
}

.btn-full {
    width: 100%;
    justify-content: center;
    padding: 12px;
    font-size: 15px;
}

/* ========== APP LAYOUT ========== */
.app-layout {
    display: flex;
    height: 100vh;
}

/* ========== SIDEBAR ========== */
.sidebar {
    width: 240px;
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.sidebar-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}

.sidebar-header .logo-bracket {
    font-size: 24px;
    color: var(--accent);
    font-family: var(--font-mono);
    font-weight: bold;
}

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

.sidebar-nav {
    padding: 10px 0;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    color: var(--text-secondary);
    font-size: 14px;
    transition: all 0.15s;
    text-decoration: none;
}

.nav-item:hover {
    background: rgba(255,255,255,0.05);
    color: var(--text-primary);
}

.nav-item.active {
    background: rgba(0, 122, 204, 0.15);
    color: var(--accent);
    border-left: 3px solid var(--accent);
    padding-left: 17px;
}

.nav-icon {
    font-size: 16px;
    width: 20px;
    text-align: center;
}

.nav-divider {
    border: none;
    border-top: 1px solid var(--border);
    margin: 10px 20px;
}

.nav-user {
    padding: 10px 20px;
    margin-top: auto;
}

.nav-user-name {
    display: block;
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 600;
}

.nav-user-email {
    display: block;
    color: var(--text-muted);
    font-size: 12px;
    margin-top: 2px;
}

.nav-logout {
    margin-top: 5px;
    color: var(--danger);
}

.nav-logout:hover {
    background: rgba(244,71,71,0.1);
    color: var(--danger);
}

/* ========== MAIN CONTENT ========== */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--bg-primary);
}

.content-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 30px;
    border-bottom: 1px solid var(--border);
}

.content-header h1 {
    font-size: 22px;
    font-weight: 600;
}

.content-header p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: 4px;
}

/* ========== DASHBOARD ========== */
.dashboard-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
    padding: 24px 30px;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: border-color 0.2s;
}

.card:hover {
    border-color: var(--accent);
}

.card-icon {
    font-size: 32px;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,122,204,0.1);
    border-radius: 8px;
}

.card-info {
    display: flex;
    flex-direction: column;
}

.card-number {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
}

.card-label {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 2px;
}

.card-small {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

.quick-actions {
    display: flex;
    gap: 12px;
    padding: 0 30px 24px;
}

/* ========== TABLE ========== */
.table-container {
    padding: 20px 30px;
    flex: 1;
    overflow-y: auto;
}

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

.data-table th {
    text-align: left;
    padding: 10px 14px;
    font-size: 12px;
    text-transform: uppercase;
    color: var(--text-muted);
    border-bottom: 2px solid var(--border);
    font-weight: 600;
    letter-spacing: 0.5px;
}

.data-table td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
}

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

.td-title {
    font-weight: 500;
    color: var(--text-primary);
}

.td-date {
    color: var(--text-muted);
    font-size: 13px;
}

.td-actions {
    display: flex;
    gap: 6px;
}

.lang-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 3px;
    font-size: 11px;
    background: rgba(0,122,204,0.15);
    color: var(--accent);
    font-weight: 500;
    text-transform: uppercase;
}

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

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

/* ========== EDITOR ========== */
.editor-layout {
    overflow: hidden;
}

.editor-header {
    padding: 12px 20px;
    background: var(--bg-secondary);
}

.editor-header h1 {
    font-size: 16px;
}

.editor-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.lenguaje-label {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-secondary);
    font-size: 13px;
}

.select-lenguaje {
    padding: 6px 10px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 3px;
    color: var(--text-primary);
    font-size: 13px;
    outline: none;
    cursor: pointer;
}

.select-lenguaje:focus {
    border-color: var(--accent);
}

.editor-title-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 20px;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border);
}

.editor-title-bar input {
    flex: 1;
    padding: 8px 12px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 3px;
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
}

.editor-title-bar input:focus {
    border-color: var(--accent);
}

.save-status {
    color: var(--text-muted);
    font-size: 12px;
    white-space: nowrap;
    min-width: 120px;
    text-align: right;
}

.editor-wrapper {
    flex: 1;
    overflow: hidden;
}

.editor-wrapper .CodeMirror {
    height: 100%;
    font-size: 14px;
    line-height: 1.6;
}

.editor-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 20px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    font-size: 12px;
    color: var(--text-muted);
    font-family: var(--font-mono);
    flex-shrink: 0;
}

/* ========== OUTPUT PANEL ========== */
.output-panel {
    display: none;
    flex-direction: column;
    border-top: 2px solid var(--accent);
    background: #1a1a2e;
    max-height: 260px;
    flex-shrink: 0;
}

.output-panel.open {
    display: flex;
}

.output-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 16px;
    background: #16162a;
    border-bottom: 1px solid #2a2a4a;
    font-size: 12px;
    color: var(--text-muted);
}

.output-header .output-title {
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
    color: var(--text-secondary);
}

.output-header .output-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 16px;
    padding: 2px 6px;
    border-radius: 3px;
}

.output-header .output-close:hover {
    background: rgba(255,255,255,0.1);
    color: var(--text-primary);
}

.output-body {
    flex: 1;
    overflow: auto;
    padding: 12px 16px;
    font-family: var(--font-mono);
    font-size: 13px;
    line-height: 1.5;
    color: #d4d4d4;
    white-space: pre-wrap;
    word-break: break-all;
}

.output-body .output-stdout {
    color: #d4d4d4;
}

.output-body .output-stderr {
    color: #f44747;
}

.output-body .output-loading {
    color: var(--text-muted);
    animation: pulse 1.2s ease-in-out infinite;
}

.output-body .output-error {
    color: #f44747;
}

.output-body .output-empty {
    color: var(--text-muted);
    font-style: italic;
}

.output-body .output-html-preview {
    border: none;
    width: 100%;
    height: 100%;
    min-height: 300px;
    background: #fff;
    border-radius: 4px;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.output-status {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    padding: 4px 16px;
    background: #16162a;
    border-top: 1px solid #2a2a4a;
    color: var(--text-muted);
}

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

.output-status .dot.success { background: var(--success); }
.output-status .dot.error { background: var(--danger); }
.output-status .dot.running { background: var(--warning); }

/* ========== VIEW (ver.php / realtime.php) ========== */
.view-body {
    background: var(--bg-primary);
    min-height: 100vh;
}

.view-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.view-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 16px;
    gap: 20px;
}

.view-header h1 {
    font-size: 22px;
    margin-bottom: 6px;
}

.view-info {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    color: var(--text-secondary);
    font-size: 13px;
}

.view-actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

.view-editor {
    border: 1px solid var(--border);
    border-radius: 4px;
    overflow: hidden;
}

.view-editor .CodeMirror {
    height: auto;
    min-height: calc(100vh - 180px);
    font-size: 14px;
    line-height: 1.6;
}

/* ========== LIVE ========== */
.live-header {
    border-bottom: 2px solid var(--success);
    padding-bottom: 12px;
}

.live-status {
    font-size: 12px;
    padding: 2px 8px;
    border-radius: 3px;
}

.live-connecting {
    color: var(--warning);
}

.live-connected {
    color: var(--success);
}

.live-error {
    color: var(--danger);
}

/* ========== SCROLLBAR ========== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

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

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}