:root {
    --bg-dark: #090a0f;
    --panel-bg: rgba(18, 20, 28, 0.6);
    --panel-border: rgba(255, 255, 255, 0.06);
    --text-main: #f1f5f9;
    --text-muted: #94a3b8;
    --accent: #3b82f6;
    --accent-glow: rgba(59, 130, 246, 0.4);
    
    --log-info: #3b82f6;
    --log-success: #10b981;
    --log-warning: #f59e0b;
    --log-error: #ef4444;
}

[data-bs-theme="light"] {
    --bg-dark: #f8fafc;
    --panel-bg: rgba(255, 255, 255, 0.8);
    --panel-border: rgba(0, 0, 0, 0.08);
    --text-main: #0f172a;
    --text-muted: #64748b;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: 'Inter', system-ui, sans-serif;
    min-height: 100vh;
    margin: 0;
    transition: background-color 0.3s ease, color 0.3s ease;
    background-image: 
        radial-gradient(at 0% 0%, rgba(59, 130, 246, 0.15) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(139, 92, 246, 0.15) 0px, transparent 50%);
    background-attachment: fixed;
}

.tester-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0 2rem 0;
}

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

.brand h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
    letter-spacing: -0.5px;
    background: linear-gradient(90deg, var(--text-main), var(--text-muted));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.btn-glass {
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-main);
    cursor: pointer;
    backdrop-filter: blur(12px);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-glass:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px) scale(1.05);
    border-color: rgba(255, 255, 255, 0.2);
}

[data-bs-theme="light"] .btn-glass:hover {
    background: rgba(0, 0, 0, 0.05);
    border-color: rgba(0, 0, 0, 0.2);
}

/* Main Layout */
.app-main {
    display: grid;
    grid-template-columns: 340px 1fr;
    gap: 1.5rem;
    flex: 1;
    padding-bottom: 2rem;
}

@media (max-width: 992px) {
    .app-main {
        grid-template-columns: 1fr;
    }
}

/* Panels */
.glass-panel {
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    border-radius: 1rem;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 1.5rem;
    box-shadow: 0 10px 40px -10px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.glass-panel:hover {
    box-shadow: 0 15px 50px -10px rgba(0, 0, 0, 0.4);
}

/* Form Styles */
.form-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

.form-control, .form-select {
    background-color: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--panel-border);
    color: var(--text-main);
    border-radius: 0.5rem;
    font-size: 0.9rem;
    transition: all 0.2s;
}

[data-bs-theme="light"] .form-control, 
[data-bs-theme="light"] .form-select {
    background-color: rgba(255, 255, 255, 0.5);
}

.form-control:focus, .form-select:focus {
    background-color: rgba(0, 0, 0, 0.3);
    border-color: var(--accent);
    color: var(--text-main);
    box-shadow: 0 0 0 4px var(--accent-glow);
}

[data-bs-theme="light"] .form-control:focus, 
[data-bs-theme="light"] .form-select:focus {
    background-color: #fff;
}

.btn-glow {
    position: relative;
    box-shadow: 0 0 20px -5px var(--accent-glow);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-weight: 600;
    letter-spacing: 0.3px;
    border: none;
}

.btn-glow:hover {
    box-shadow: 0 0 30px 0px var(--accent-glow);
    transform: translateY(-2px);
}

/* Player */
.workspace {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.player-wrapper {
    padding: 0;
    overflow: hidden;
    aspect-ratio: 16 / 9;
    display: flex;
    background: #000;
    border-radius: 1rem;
    position: relative;
}

video {
    width: 100%;
    height: 100%;
    object-fit: contain;
    outline: none;
}

/* Logs */
.logs-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 0;
    overflow: hidden;
    min-height: 250px;
}

.logs-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1.25rem;
    border-bottom: 1px solid var(--panel-border);
    background: rgba(0, 0, 0, 0.1);
}

.logs-content {
    flex: 1;
    padding: 1rem 1.25rem;
    overflow-y: auto;
    font-size: 0.85rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    font-family: 'JetBrains Mono', monospace;
}

.logs-content::-webkit-scrollbar {
    width: 8px;
}
.logs-content::-webkit-scrollbar-track {
    background: transparent;
}
.logs-content::-webkit-scrollbar-thumb {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}
.logs-content::-webkit-scrollbar-thumb:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.log-entry {
    line-height: 1.5;
    word-break: break-all;
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

.log-time {
    color: var(--text-muted);
    font-size: 0.75rem;
    margin-right: 0.5rem;
    user-select: none;
}

.log-badge {
    display: inline-block;
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 700;
    margin-right: 0.5rem;
    text-transform: uppercase;
}

.log-badge.system { background: var(--log-info); color: white; }
.log-badge.event { background: rgba(255,255,255,0.15); color: var(--text-main); }
[data-bs-theme="light"] .log-badge.event { background: rgba(0,0,0,0.1); color: var(--text-main); }
.log-badge.error { background: var(--log-error); color: white; }
.log-badge.success { background: var(--log-success); color: white; }
.log-badge.warning { background: var(--log-warning); color: white; }

.log-entry.error { color: #fca5a5; }
[data-bs-theme="light"] .log-entry.error { color: #dc2626; }
.log-entry.warning { color: #fcd34d; }
[data-bs-theme="light"] .log-entry.warning { color: #d97706; }