:root {
    --bg-primary: #0a0e1a;
    --bg-secondary: #141824;
    --bg-card: rgba(20, 24, 36, 0.6);
    --accent-color: #6366f1;
    --accent-hover: #818cf8;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --border-color: rgba(148, 163, 184, 0.1);
    --success-color: #10b981;
    --danger-color: #ef4444;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, #0a0e1a 0%, #1a1f35 100%);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

.app-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
    min-height: 100vh;
}

/* Header */
header {
    margin-bottom: 2rem;
}

h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.highlight-bold {
    background: linear-gradient(135deg, #e0590a 0%, #fdfdfd 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.highlight {
    background: linear-gradient(135deg, #ffffff 0%, #ffffff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Controls Bar */
.controls {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    margin-bottom: 1rem;
}

.lang-selector {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.lang-selector label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.lang-selector select {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 0.5rem 0.75rem;
    color: var(--text-primary);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s;
}

.lang-selector select:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(148, 163, 184, 0.2);
}

.lang-selector select:focus {
    outline: none;
    border-color: var(--accent-color);
}

.icon {
    font-family: 'Material Icons', sans-serif;
    font-size: 1.25rem;
}

/* Record Button */
.btn-record {
    padding: 0.75rem 1.5rem;
    background: var(--accent-color);
    border: none;
    border-radius: 0.75rem;
    color: white;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.btn-record:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

.btn-record.recording {
    background: var(--danger-color);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.8;
    }
}

/* Status */
.status-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-left: auto;
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-secondary);
    transition: all 0.3s;
}

.dot.active {
    background: var(--success-color);
    box-shadow: 0 0 12px rgba(16, 185, 129, 0.6);
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.2);
    }
}

/* History Controls */
.history-controls {
    display: flex;
    gap: 0.5rem;
}

.btn-secondary {
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.875rem;
    transition: all 0.2s;
    font-weight: 500;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(148, 163, 184, 0.3);
    color: var(--text-primary);
}

/* AI Controls */
.ai-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 1.5rem;
    background: rgba(99, 102, 241, 0.05);
    border: 1px solid rgba(99, 102, 241, 0.1);
    border-radius: 0.75rem;
    margin-bottom: 1rem;
}

.ai-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    user-select: none;
}

.ai-toggle input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--accent-color);
}

.ai-toggle input[type="checkbox"]:checked+span {
    color: var(--accent-color);
}

.api-key-input {
    flex: 1;
    padding: 0.5rem 0.75rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    color: var(--text-primary);
    font-size: 0.875rem;
    font-family: 'Monaco', 'Courier New', monospace;
}

.api-key-input:focus {
    outline: none;
    border-color: var(--accent-color);
    background: rgba(255, 255, 255, 0.08);
}

.api-key-input::placeholder {
    color: var(--text-secondary);
    opacity: 0.5;
}

.ai-provider-select {
    padding: 0.5rem 0.75rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    color: var(--text-primary);
    font-size: 0.875rem;
    cursor: pointer;
    font-weight: 500;
}

.ai-provider-select:focus {
    outline: none;
    border-color: var(--accent-color);
}

.btn-icon {
    padding: 0.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.2s;
}

.btn-icon:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Main Content */
.split-view {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    min-height: 600px;
}

.card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 1.5rem;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    transition: all 0.3s;
}

.card:hover {
    border-color: rgba(148, 163, 184, 0.2);
    transform: translateY(-2px);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.card-header h2 {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
}

/* Live Banner */
.live-banner {
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 1rem;
    padding: 2rem;
    margin-bottom: 1.5rem;
    min-height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.live-text {
    font-size: 1.5rem;
    line-height: 1.6;
    text-align: center;
    color: var(--text-primary);
    font-weight: 500;
}

/* History Section */
.log-header {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

.log-container {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding-right: 0.5rem;
}

.log-container::-webkit-scrollbar {
    width: 6px;
}

.log-container::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.02);
    border-radius: 3px;
}

.log-container::-webkit-scrollbar-thumb {
    background: rgba(148, 163, 184, 0.2);
    border-radius: 3px;
}

.log-container::-webkit-scrollbar-thumb:hover {
    background: rgba(148, 163, 184, 0.3);
}

.log-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 0.75rem;
    padding: 1rem;
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-primary);
    transition: all 0.2s;
    animation: slideIn 0.3s ease-out;
}

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

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

.log-item:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
}

.log-item.placeholder {
    color: var(--text-secondary);
    font-style: italic;
    opacity: 0.5;
}

/* Responsive */
@media (max-width: 1024px) {
    .split-view {
        grid-template-columns: 1fr;
    }

    .app-container {
        padding: 1rem;
    }

    h1 {
        font-size: 1.5rem;
    }

    .live-text {
        font-size: 1.25rem;
    }
}