:root {
    --bg-main: #0b0f19;
    --bg-card: #151c2c;
    --bg-card-hover: #1c263c;
    --bg-input: #0f172a;
    --border-color: rgba(255, 255, 255, 0.08);
    --border-highlight: rgba(6, 182, 212, 0.4);
    
    --primary: #06b6d4;
    --primary-hover: #0891b2;
    --primary-glow: rgba(6, 182, 212, 0.25);
    
    --secondary: #334155;
    --secondary-hover: #475569;
    
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --purple: #8b5cf6;
    
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-dim: #64748b;

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    
    --shadow-main: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.6;
    min-height: 100vh;
    padding-bottom: 50px;
}

h1, h2, h3, h4 {
    font-weight: 700;
    color: var(--text-main);
}

/* Navbar */
.navbar {
    background: rgba(21, 28, 44, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 16px 0;
}

.nav-container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand {
    display: flex;
    align-items: center;
    gap: 16px;
}

.brand-icon {
    width: 46px;
    height: 46px;
    background: linear-gradient(135deg, var(--primary), var(--purple));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: #fff;
    box-shadow: 0 0 20px var(--primary-glow);
}

.brand-text h1 {
    font-size: 20px;
    letter-spacing: -0.5px;
}

.brand-text h1 span {
    color: var(--primary);
}

.brand-text .subtitle {
    font-size: 12px;
    color: var(--text-muted);
}

.nav-status {
    display: flex;
    align-items: center;
    gap: 16px;
}

.status-pill {
    padding: 6px 14px;
    border-radius: 30px;
    font-size: 13px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
}

.status-pill.success {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
    border-color: rgba(16, 185, 129, 0.3);
}

.status-pill.warning {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning);
    border-color: rgba(245, 158, 11, 0.3);
}

.status-pill.loading {
    color: var(--text-muted);
}

/* Layout Container */
.container {
    max-width: 1240px;
    margin: 32px auto 0;
    padding: 0 24px;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 20px;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-2px);
    border-color: var(--border-highlight);
    box-shadow: var(--shadow-main);
}

.stat-icon {
    width: 54px;
    height: 54px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.stat-icon.cyan { background: rgba(6, 182, 212, 0.15); color: var(--primary); }
.stat-icon.purple { background: rgba(139, 92, 246, 0.15); color: var(--purple); }
.stat-icon.emerald { background: rgba(16, 185, 129, 0.15); color: var(--success); }

.stat-info .stat-label {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 500;
}

.stat-info h3 {
    font-size: 28px;
    margin-top: 2px;
}

/* Section Box */
.section-box {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px;
}

.section-header {
    margin-bottom: 24px;
}

.section-header h2 {
    font-size: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.section-header h2 i {
    color: var(--primary);
}

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

.flex-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Dropzone */
.dropzone {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: 48px 24px;
    text-align: center;
    cursor: pointer;
    background: rgba(15, 23, 42, 0.5);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.dropzone:hover, .dropzone.dragover {
    border-color: var(--primary);
    background: rgba(6, 182, 212, 0.05);
    box-shadow: 0 0 30px rgba(6, 182, 212, 0.1);
}

.dropzone-icon {
    font-size: 48px;
    color: var(--primary);
    margin-bottom: 16px;
    transition: var(--transition);
}

.dropzone:hover .dropzone-icon {
    transform: scale(1.1);
}

.dropzone-content h3 {
    font-size: 18px;
    margin-bottom: 6px;
}

.dropzone-content p {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 14px;
}

.file-badge {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    font-size: 12px;
    color: var(--text-dim);
}

/* Progress Bar */
.progress-bar-container {
    margin-top: 20px;
    width: 100%;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    margin-bottom: 8px;
}

.progress-track {
    height: 8px;
    background: var(--bg-main);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--primary), var(--purple));
    transition: width 0.3s ease;
}

/* Sessions & Games Grid */
.sessions-grid, .games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 20px;
}

.session-card, .game-card {
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    position: relative;
    transition: var(--transition);
}

.session-card:hover, .game-card:hover {
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.card-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.card-title {
    font-size: 16px;
    font-weight: 700;
}

.card-subtitle {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
    font-family: 'JetBrains Mono', monospace;
}

.badge {
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
}

.badge-running {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.3);
    animation: pulse-badge 2s infinite;
}

.badge-stopped {
    background: rgba(148, 163, 184, 0.15);
    color: var(--text-muted);
    border: 1px solid var(--border-color);
}

.badge-error {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

@keyframes pulse-badge {
    0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4); }
    70% { box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
    100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.card-meta {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    background: rgba(255, 255, 255, 0.02);
    padding: 12px;
    border-radius: var(--radius-sm);
    font-size: 13px;
}

.meta-item {
    display: flex;
    flex-direction: column;
}

.meta-item span:first-child {
    color: var(--text-dim);
    font-size: 11px;
}

.meta-item span:last-child {
    font-weight: 600;
    color: var(--text-main);
}

.card-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    padding: 10px 18px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: var(--primary);
    color: #000;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--secondary);
    color: var(--text-main);
}

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

.btn-success {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.4);
}

.btn-success:hover {
    background: var(--success);
    color: #000;
}

.btn-danger {
    background: rgba(239, 68, 68, 0.2);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.4);
}

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

.btn-icon {
    padding: 10px;
    border-radius: var(--radius-sm);
}

.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 48px;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 42px;
    margin-bottom: 12px;
    color: var(--text-dim);
}

/* Modals */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}

.modal.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 95%;
    max-width: 550px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.8);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.modal-large {
    max-width: 720px;
    max-height: 92vh;
}

.modal-large .modal-body {
    overflow-y: auto;
    max-height: calc(92vh - 70px);
}

.modal-header {
    padding: 18px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 20px;
    cursor: pointer;
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* Form inputs */
.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-main);
    font-size: 14px;
    outline: none;
}

.form-control:focus {
    border-color: var(--primary);
}

/* Screen Remote Layout - Fits MicroEmulator phone skin perfectly */
.screen-layout {
    display: flex;
    gap: 24px;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    width: 100%;
}

.vnc-container {
    width: 312px;
    height: 500px;
    max-width: 100%;
    background: #000;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    box-shadow: 0 0 25px rgba(0, 0, 0, 0.8);
}

.vnc-container canvas {
    width: 100% !important;
    height: 100% !important;
    object-fit: fill;
    image-rendering: pixelated;
}

.vnc-status-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 12px;
    color: var(--text-muted);
    font-size: 13px;
    text-align: center;
    padding: 20px;
    z-index: 10;
}

/* Keypad Control */
.keypad-panel {
    background: var(--bg-main);
    padding: 20px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 240px;
}

.keypad-panel h4 {
    font-size: 13px;
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.softkeys-row, .dpad-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.numpad-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.key-btn {
    padding: 12px 0;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-main);
    font-family: 'JetBrains Mono', monospace;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
    user-select: none;
}

.key-btn:active {
    background: var(--primary);
    color: #000;
    transform: scale(0.95);
}

.key-center {
    background: var(--primary-glow);
    color: var(--primary);
    border-color: var(--primary);
}

/* Terminal Log */
.log-terminal {
    background: #050811;
    color: #38bdf8;
    font-family: 'JetBrains Mono', monospace;
    padding: 16px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    max-height: 420px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-break: break-all;
    border: 1px solid var(--border-color);
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    padding: 14px 24px;
    background: var(--bg-card);
    border: 1px solid var(--primary);
    border-radius: var(--radius-md);
    color: var(--text-main);
    font-weight: 600;
    box-shadow: var(--shadow-main);
    z-index: 2000;
    transition: var(--transition);
}

.hidden { display: none !important; }