:root {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --accent: #6366f1;
    --accent-hover: #4f46e5;
    --border-color: #334155;
    --success: #10b981;
    --error: #ef4444;
    --font-inter: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

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

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-inter);
    line-height: 1.5;
    overflow: hidden;
    height: 100vh;
}

.admin-layout {
    display: flex;
    height: 100vh;
    display: none;
    /* hidden until authenticated */
}

/* Sidebar */
.sidebar {
    width: 250px;
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.sidebar-header {
    height: 70px;
    display: flex;
    align-items: center;
    padding: 0 24px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-header h2 {
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: -0.025em;
}

.sidebar-nav {
    flex: 1;
    padding: 24px 12px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 8px;
    margin-bottom: 8px;
    transition: all 0.2s;
    font-size: 0.95rem;
}

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

.nav-item.active {
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--accent);
}

.sidebar-footer {
    padding: 24px;
    border-top: 1px solid var(--border-color);
}

.logout-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 10px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    font-family: var(--font-inter);
    font-weight: 500;
}

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

/* Main Content */
.main-content {
    flex: 1;
    background-color: var(--bg-primary);
    overflow-y: auto;
    padding: 40px;
}

.content-view {
    display: none;
    animation: fadeIn 0.3s ease-in-out;
}

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

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.content-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.content-header h1 {
    font-size: 1.8rem;
    font-weight: 600;
}

.user-info {
    font-size: 0.85rem;
    color: var(--accent);
    background: rgba(59, 130, 246, 0.1);
    padding: 6px 12px;
    border-radius: 20px;
    font-family: var(--font-mono);
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}

.stat-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.stat-card h3 {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 12px;
}

.stat-value {
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Cards */
.card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
}

.mt-4 {
    margin-top: 24px;
}

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

.card-header h2 {
    font-size: 1.2rem;
    font-weight: 500;
}

.card-body {
    padding: 24px;
}

.card-body p {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

/* Buttons */
.primary-btn,
.secondary-btn,
.auth-btn {
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 500;
    font-family: var(--font-inter);
    cursor: pointer;
    transition: all 0.2s;
    border: none;
}

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

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

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

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

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

/* Auth Gate (Reusing some styles from main app) */
#admin-auth-gate {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: var(--bg-primary);
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

#admin-auth-gate.active {
    display: flex;
}

.auth-box {
    background: var(--bg-secondary);
    padding: 40px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    width: 100%;
    max-width: 400px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.auth-box h2 {
    margin: 16px 0 24px 0;
}

.logo {
    display: inline-block;
    color: var(--accent);
}

.auth-input {
    width: 100%;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 14px 16px;
    border-radius: 8px;
    margin-bottom: 16px;
    font-family: var(--font-inter);
    font-size: 1rem;
    outline: none;
    transition: border-color 0.2s;
}

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

.auth-btn {
    width: 100%;
    background: var(--accent);
    color: white;
    padding: 14px;
    font-size: 1rem;
    font-weight: 600;
}

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

.error-msg {
    color: var(--error);
    margin-top: 16px;
    font-size: 0.9rem;
}

/* Results Container */
.results-container {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--text-secondary);
    white-space: pre-wrap;
    max-height: 400px;
    overflow-y: auto;
}

.loader {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid var(--border-color);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    vertical-align: middle;
    margin-right: 8px;
}

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

/* ─── Mobile Responsiveness ──────────────────────────────── */
@media (max-width: 768px) {
    .admin-layout {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        height: auto;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        padding-right: 15px;
    }

    .sidebar-header {
        border-bottom: none;
        height: 60px;
        padding: 0 15px;
    }
    
    .sidebar-nav {
        display: none; /* Hide side nav vertical items on mobile (primarily one view anyway) */
    }
    
    .sidebar-footer {
        padding: 10px;
        border-top: none;
        max-width: 140px;
    }
    
    .logout-btn {
        padding: 6px 12px;
        font-size: 0.85rem;
    }

    .main-content {
        padding: 20px;
        height: calc(100vh - 60px);
    }

    .content-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
        margin-bottom: 24px;
    }
    
    .content-header h1 {
        font-size: 1.5rem;
    }

    .dashboard-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .auth-box {
        padding: 30px 20px;
        border-radius: 12px;
    }
}