/* 
 * Modern JupyterHub Theme
 * Design System & Custom Styles
 */

:root {
    /* Palette */
    --primary-color: #228be6;
    --primary-hover: #1c7ed6;
    --success-color: #40c057;
    --success-hover: #37b24d;

    /* Light Theme Defaults */
    --bg-body: #f8f9fa;
    --bg-surface: #ffffff;
    --bg-surface-alt: #f1f3f5;
    --text-main: #212529;
    --text-muted: #868e96;
    --border-color: #e9ecef;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.12);

    /* Spacing & Radius */
    --radius-md: 12px;
    --radius-lg: 16px;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* Dark Theme Overrides */
html[data-bs-theme="dark"] {
    --bg-body: #141517;
    --bg-surface: #1a1b1e;
    --bg-surface-alt: #25262b;
    --text-main: #c1c2c5;
    --text-muted: #909296;
    --border-color: #2c2e33;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.5);
}

/* Global Resets */
body {
    font-family: var(--font-sans);
    background-color: var(--bg-body);
    color: var(--text-main);
    transition: background-color 0.3s ease, color 0.3s ease;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--text-main);
    font-weight: 600;
    letter-spacing: -0.02em;
}

p {
    color: var(--text-muted);
}

/* ==========================================================================
   Login Page
   ========================================================================== */
#login-main {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-box {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 48px;
    max-width: 480px;
    margin: 80px auto;
    text-align: center;
}

.login-box img {
    max-width: 150px;
    margin-bottom: 32px;
    filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.1));
}

.login-box .btn-jupyter {
    background-color: var(--primary-color);
    border: none;
    border-radius: 50px;
    padding: 14px 40px;
    font-weight: 600;
    font-size: 1rem;
    width: 100%;
    color: white;
    box-shadow: 0 4px 12px rgba(34, 139, 230, 0.3);
    transition: all 0.2s ease;
    margin-bottom: 24px;
}

.login-box .btn-jupyter:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(34, 139, 230, 0.4);
}

.login-box .powered-by-text {
    margin-top: 24px;
    margin-bottom: 12px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.login-box .powered-by-text a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.login-box .powered-by-text a:hover {
    text-decoration: underline;
}

.login-box .alert {
    margin-bottom: 24px;
}

/* ==========================================================================
   Spawn Page (Profile Grid)
   ========================================================================== */
.profile-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
    padding: 20px 0;
}

.profile-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    text-align: center;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.profile-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.profile-card img.profile-logo {
    width: 100px;
    height: 100px;
    object-fit: contain;
    margin-bottom: 24px;
    filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.1));
}

.profile-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.profile-card p {
    font-size: 0.95rem;
    line-height: 1.5;
    margin-bottom: 24px;
    flex-grow: 1;
}

.profile-card .btn {
    background-color: var(--success-color);
    border: none;
    border-radius: 8px;
    padding: 12px;
    font-weight: 600;
    width: 100%;
    transition: all 0.2s;
}

.profile-card .btn:hover {
    background-color: var(--success-hover);
    transform: translateY(-1px);
}

/* ==========================================================================
   Workspace Info Widget
   ========================================================================== */
.workspace-widget {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: 40px;
    overflow: hidden;
}

.workspace-widget .widget-header {
    background-color: var(--bg-surface-alt);
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-color);
    text-align: center;
}

.workspace-widget .widget-header h5 {
    margin: 0;
    color: var(--primary-color);
    font-size: 1.1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.workspace-widget .widget-body {
    padding: 32px;
}

.stat-item {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 16px;
}

.stat-icon {
    color: var(--primary-color);
    background-color: rgba(34, 139, 230, 0.1);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.stat-label {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.stat-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-main);
}

.volumes-section {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.volume-toggle-btn {
    color: var(--text-main);
    background: none;
    border: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    cursor: pointer;
    padding: 8px 16px;
    border-radius: 20px;
    transition: background-color 0.2s;
}

.volume-toggle-btn:hover {
    background-color: var(--bg-surface-alt);
    text-decoration: none;
}

.volume-badge {
    background-color: var(--bg-surface-alt);
    color: var(--text-main);
    border: 1px solid var(--border-color);
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 0.85rem;
    display: inline-flex;
    align-items: center;
    margin: 4px;
    transition: all 0.2s;
}

.volume-badge:hover {
    border-color: var(--primary-color);
}

/* ==========================================================================
   Other Pages (Pending, Admin, Home)
   ========================================================================== */
.progress-bar-container {
    background-color: var(--bg-surface-alt);
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.1);
}

.progress-bar {
    background-color: var(--primary-color);
}

.home-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 32px;
}

.home-card h2 {
    border-bottom: 1px solid var(--border-color);
}

#react-admin-hook form {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

#react-admin-hook .table {
    color: var(--text-main);
}

#react-admin-hook .table thead {
    background-color: var(--bg-surface-alt);
}

/* Utility */
.text-primary {
    color: var(--primary-color) !important;
}

.bg-light {
    background-color: var(--bg-surface-alt) !important;
}

/* ==========================================================================
   Navbar Styles (Light & Dark)
   ========================================================================== */
.navbar {
    background-color: var(--bg-surface-alt);
    /* Default Light Mode Background */
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.3s ease;
}

/* Navbar Dark Mode Overrides */
html[data-bs-theme="dark"] .navbar {
    background-color: var(--bg-surface) !important;
    border-bottom: 1px solid var(--border-color);
}

html[data-bs-theme="dark"] .navbar .nav-link {
    color: var(--text-main) !important;
}

html[data-bs-theme="dark"] .navbar .nav-link:hover {
    color: var(--primary-color) !important;
}

html[data-bs-theme="dark"] #login_widget {
    color: var(--text-main) !important;
}

html[data-bs-theme="dark"] .btn-outline-contrast {
    color: var(--text-main);
    border-color: var(--text-main);
}

html[data-bs-theme="dark"] .btn-outline-contrast:hover {
    background-color: var(--text-main);
    color: var(--bg-body);
}

html[data-bs-theme="dark"] #dark-theme-toggle {
    color: var(--text-main);
}

html[data-bs-theme="dark"] .navbar-brand img {
    filter: brightness(0) invert(1);
    /* Make logo white if it's black */
}

/* ==========================================================================
   Home Page / Dashboard
   ========================================================================== */
.dashboard-container {
    max-width: 1000px;
    margin: 0 auto;
    padding-top: 2rem;
}

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

.server-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s, box-shadow 0.2s;
    overflow: hidden;
}

.server-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.server-card .card-body {
    padding: 24px;
}

.server-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-main);
}

.server-url a {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.9rem;
}

.server-url a:hover {
    text-decoration: underline;
}

.status-indicator {
    display: inline-flex;
    align-items: center;
    font-size: 0.85rem;
    font-weight: 600;
    padding: 6px 12px;
    border-radius: 20px;
}

.status-running {
    background-color: rgba(64, 192, 87, 0.1);
    color: var(--success-color);
}

.status-stopped {
    background-color: var(--bg-surface-alt);
    color: var(--text-muted);
}

.action-btn-group .btn {
    border-radius: 8px;
    padding: 8px 16px;
    font-weight: 500;
    font-size: 0.9rem;
}

/* Named Servers Table Styling */
.named-servers-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.named-servers-header {
    padding: 20px 24px;
    background-color: var(--bg-surface-alt);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.named-servers-header h2 {
    font-size: 1.25rem;
    margin: 0;
    color: var(--text-main);
}

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

.custom-table th {
    text-align: left;
    padding: 16px 24px;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    border-bottom: 1px solid var(--border-color);
}

.custom-table td {
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-main);
    vertical-align: middle;
}

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

.new-server-row {
    background-color: var(--bg-surface-alt);
}

.new-server-input {
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 8px 12px;
    background-color: var(--bg-surface);
    color: var(--text-main);
}