:root {
    --bg-color: #0f172a;
    --surface-color: #1e293b;
    --surface-hover: #334155;
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --border-color: #334155;
    --error-color: #ef4444;
    --success-color: #22c55e;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    margin: 0px 0px 0px 0px;
}

/* Auth Pages (Login/Register) */
.auth-header {
    position: absolute;
    top: 1rem;
    left: 1rem;
    z-index: 10;
}

.auth-header .btn-secondary {
    display: inline-flex;
    align-items: center;
    background-color: rgba(30, 41, 59, 0.8);
    backdrop-filter: blur(4px);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

.auth-header .btn-secondary:hover {
    background-color: var(--surface-hover);
    border-color: var(--text-secondary);
}

.app-background {
    min-height: 89vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    background: radial-gradient(circle at center, #1e293b 0%, #0f172a 100%);
}

.auth-container {
    width: 100%;
    max-width: 400px;
}

.auth-card {
    background-color: var(--surface-color);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.auth-title {
    font-size: 1.875rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
    box-sizing: border-box; /* Ensure padding doesn't affect width */
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.btn-primary {
    width: 100%;
    padding: 0.75rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
}

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

.btn-secondary {
    padding: 0.5rem 1rem;
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 6px;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s;
}

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

.auth-footer {
    margin-top: 1.5rem;
    text-align: center;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.auth-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.auth-link:hover {
    text-decoration: underline;
}

.alert {
    padding: 0.75rem;
    border-radius: 6px;
    margin-bottom: 1rem;
    font-size: 0.875rem;
}

.alert-error {
    background-color: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: #fca5a5;
}

.alert-success {
    background-color: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.2);
    color: #86efac;
}

/* Dashboard Layout */
.dashboard-container {
    display: flex;
    min-height: 93vh;
    width: 100%;
    margin: 0;
    padding: 0;
}

.dashboard-sidebar {
    width: 280px;
    height: 93vh;
    position: sticky;
    top: 0;
    flex-shrink: 0;
    background-color: var(--surface-color);
    border-right: 1px solid var(--border-color);
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.sidebar-header {
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.back-home-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.2s;
}

.back-home-link:hover {
    color: var(--primary-color);
}

.back-home-link .material-icons {
    font-size: 1.25rem;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex: 1; /* Take remaining space */
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.2s;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    font-size: 0.95rem;
    cursor: pointer;
    font-weight: 500;
}

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

.nav-item.active {
    background-color: var(--primary-color);
    color: white;
}

.nav-item .material-icons {
    font-size: 1.25rem;
}

.dashboard-content {
    flex: 1;
    min-width: 0; /* Prevent overflow */
    padding: 3rem 4rem;
    background-color: var(--bg-color);
    overflow-y: auto; /* Allow scrolling if content is long */
}

.content-section {
    display: none;
    animation: fadeIn 0.3s ease;
}

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

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

.section-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}

/* Profile Section */
.profile-card {
    background-color: var(--surface-color);
    border-radius: 12px;
    padding: 2.5rem; /* More padding */
    border: 1px solid var(--border-color);
    max-width: 800px; /* Wider card */
    width: 100%; /* Ensure it fills available space up to max-width */
}

.profile-info-row {
    display: flex;
    justify-content: space-between;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
}

.profile-info-row:last-of-type {
    border-bottom: none;
}

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

.profile-value {
    color: var(--text-primary);
    font-weight: 600;
}

.profile-actions {
    margin-top: 2rem;
    display: flex;
    gap: 1rem;
}

/* API Key Section */
.api-key-controls {
    margin-bottom: 2rem;
}

.api-keys-table-container {
    background-color: var(--surface-color);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

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

.api-keys-table th,
.api-keys-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.api-keys-table th {
    background-color: var(--bg-color);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.api-keys-table td {
    color: var(--text-primary);
}

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

.key-value {
    font-family: monospace;
    background-color: rgba(0, 0, 0, 0.3);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.875rem;
    color: #e2e8f0;
}

.status-active {
    color: var(--success-color);
    font-weight: 500;
}

.status-expired {
    color: var(--error-color);
    font-weight: 500;
}

.btn-delete {
    background: none;
    border: none;
    color: var(--error-color);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: background-color 0.2s;
}

.btn-delete:hover {
    background-color: rgba(239, 68, 68, 0.1);
}

/* Responsive */
@media (max-width: 768px) {
    .dashboard-container {
        flex-direction: column;
        padding: 1rem;
    }
    
    .dashboard-sidebar {
        width: 100%;
    }
    
    .sidebar-nav {
        flex-direction: row;
        overflow-x: auto;
        padding-bottom: 0.5rem;
    }
    
    .nav-item {
        white-space: nowrap;
        justify-content: center;
    }

    .profile-actions {
        flex-direction: column;
    }
}

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

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