:root {
    --bg-color: #080b11;
    --card-bg: rgba(17, 22, 34, 0.65);
    --card-border: rgba(255, 255, 255, 0.08);
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --accent-color: #3b82f6;
    --accent-glow: rgba(59, 130, 246, 0.5);
    --accent-green: #10b981;
    --accent-green-glow: rgba(16, 185, 129, 0.4);
    --error-color: #ef4444;
    --font-family: 'Plus Jakarta Sans', 'Outfit', sans-serif;
    --danger-color: #dc2626;
    --danger-glow: rgba(220, 38, 38, 0.4);
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-family);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    overflow: auto;
    position: relative;
    padding: 20px;
}

/* Glowing background blobs */
.glass-bg {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, rgba(16, 185, 129, 0.05) 50%, rgba(0, 0, 0, 0) 100%);
    filter: blur(80px);
    pointer-events: none;
    z-index: 0;
}

/* Mode Selector Tabs */
.mode-selector {
    position: absolute;
    top: 24px;
    display: flex;
    gap: 8px;
    background: rgba(17, 22, 34, 0.6);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(12px);
    padding: 4px;
    border-radius: 12px;
    z-index: 50;
}

.tab-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 6px 16px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tab-btn:hover {
    color: #fff;
}

.tab-btn.active {
    background: rgba(59, 130, 246, 0.2);
    border: 1px solid rgba(59, 130, 246, 0.3);
    color: #fff;
}

/* Card layout (Glassmorphism) */
.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    padding: 2.5rem;
    border-radius: 24px;
    width: 440px;
    max-width: 100%;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    z-index: 10;
    text-align: center;
    position: relative;
    margin-top: 60px;
}

.logo-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 1.5rem;
}

.logo-pulse {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-green));
    box-shadow: 0 0 20px var(--accent-glow);
    margin-bottom: 1rem;
    animation: pulse 3s infinite ease-in-out;
}

.admin-pulse {
    background: linear-gradient(135deg, #a855f7, var(--accent-color));
    box-shadow: 0 0 20px rgba(168, 85, 247, 0.5);
}

h1 {
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    font-size: 2.2rem;
    background: linear-gradient(135deg, #ffffff 30%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.5px;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 2rem;
}

/* Form inputs */
.input-group {
    position: relative;
    margin-bottom: 1.5rem;
}

#session-key, #admin-email, #admin-otp {
    width: 100%;
    background: rgba(8, 11, 17, 0.8);
    border: 1px solid var(--card-border);
    padding: 1.1rem;
    border-radius: 12px;
    color: #fff;
    font-family: var(--font-family);
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    transition: all 0.3s ease;
    outline: none;
}

#admin-email {
    font-size: 1.1rem;
    font-weight: 400;
    text-align: left;
    letter-spacing: 0;
}

#session-key {
    letter-spacing: 4px;
}

#admin-otp {
    letter-spacing: 8px;
}

#session-key:focus, #admin-email:focus, #admin-otp:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.25);
}

#session-key::placeholder, #admin-email::placeholder, #admin-otp::placeholder {
    font-size: 1.1rem;
    letter-spacing: 0px;
    font-weight: 400;
    color: #4b5563;
}

/* Premium Buttons */
.btn {
    width: 100%;
    background: linear-gradient(135deg, var(--accent-color), #2563eb);
    color: white;
    border: none;
    padding: 1.1rem;
    border-radius: 12px;
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px var(--accent-glow);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px var(--accent-glow);
}

.btn:active {
    transform: translateY(1px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--card-border);
    color: var(--text-primary);
    box-shadow: none;
    padding: 0.5rem 1.2rem;
    border-radius: 8px;
    font-size: 0.9rem;
    width: auto;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 12px rgba(255, 255, 255, 0.05);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger-color), #b91c1c);
    color: white;
    border: none;
    padding: 0.5rem 1.2rem;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 4px 12px var(--danger-glow);
    width: auto;
    transition: all 0.3s ease;
}

.btn-danger:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px var(--danger-glow);
}

/* Error feedback */
.error-text {
    color: var(--error-color);
    font-size: 0.85rem;
    margin-top: 1rem;
    min-height: 20px;
}

/* Hidden container class */
.hidden {
    display: none !important;
}

/* Control View layout */
#control-container {
    width: 100vw;
    height: 100vh;
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 100;
    background: #000;
}

.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem 1.5rem;
    border-bottom: 1px solid var(--card-border);
    background: rgba(17, 22, 34, 0.85);
    backdrop-filter: blur(12px);
    z-index: 200;
}

.session-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.status-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.status-indicator.connected {
    background-color: var(--accent-green);
    box-shadow: 0 0 10px var(--accent-green-glow);
    animation: statusPulse 2s infinite ease-in-out;
}

.status-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.status-text strong {
    color: #fff;
}

.control-help {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.badge {
    background: #374151;
    color: #d1d5db;
    padding: 0.2rem 0.5rem;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.75rem;
}

.canvas-wrapper {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    position: relative;
    background: #020205;
}

#screen-canvas {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    cursor: crosshair;
}

/* -------------------------------------------------------------
   Admin Dashboard Styling
   ------------------------------------------------------------- */
.dashboard-container {
    width: 1000px;
    max-width: 100%;
    z-index: 10;
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-top: 60px;
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    border-radius: 16px;
    border: 1px solid var(--card-border);
    background: rgba(17, 22, 34, 0.65);
    backdrop-filter: blur(20px);
}

.dashboard-header h2 {
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    font-size: 1.7rem;
    background: linear-gradient(135deg, #ffffff 40%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.dashboard-actions {
    display: flex;
    gap: 12px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.stat-card {
    padding: 1.5rem;
    border-radius: 16px;
    border: 1px solid var(--card-border);
    background: rgba(17, 22, 34, 0.4);
    backdrop-filter: blur(12px);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.stat-value {
    font-family: 'Outfit', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: #fff;
}

.sessions-list-container {
    padding: 1.8rem 2rem;
    border-radius: 16px;
    border: 1px solid var(--card-border);
    background: rgba(17, 22, 34, 0.55);
    backdrop-filter: blur(20px);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.sessions-list-container h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
}

.table-wrapper {
    overflow-x: auto;
    border-radius: 12px;
    border: 1px solid var(--card-border);
    background: rgba(8, 11, 17, 0.4);
}

.session-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.9rem;
}

.session-table th, .session-table td {
    padding: 0.6rem 1rem;
    border-bottom: 1px solid var(--card-border);
}

.session-table th {
    background: rgba(17, 22, 34, 0.7);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.session-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

.empty-row {
    text-align: center;
    color: var(--text-secondary);
    padding: 2.5rem !important;
}

/* Glassmorphism panel styling helpers */
.glass {
    border: 1px solid var(--card-border);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

/* Animations */
@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 0 20px var(--accent-glow);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 0 30px rgba(16, 185, 129, 0.6);
    }
}

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

.fade-in {
    animation: fadeIn 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

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