/**
 * Walky Valky Styles
 * Modern, responsive design for WebRTC video chat
 */

:root {
    --primary-color: #4f46e5;
    --primary-hover: #4338ca;
    --danger-color: #dc2626;
    --danger-hover: #b91c1c;
    --success-color: #16a34a;
    --warning-color: #f59e0b;
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --text-color: #f1f5f9;
    --text-secondary: #94a3b8;
    --border-color: #334155;
    --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.4);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: var(--text-color);
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 30px;
}

header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* Status Bar */
.status-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--card-bg);
    padding: 15px 20px;
    border-radius: 10px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
    flex-wrap: wrap;
    gap: 10px;
}

.status-indicator {
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.status-indicator::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.status-indicator.connected {
    background: rgba(22, 163, 74, 0.2);
    color: var(--success-color);
}

.status-indicator.connected::before {
    background: var(--success-color);
    box-shadow: 0 0 10px var(--success-color);
}

.status-indicator.disconnected {
    background: rgba(220, 38, 38, 0.2);
    color: var(--danger-color);
}

.status-indicator.disconnected::before {
    background: var(--danger-color);
}

.room-info {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Section */
.section {
    margin-bottom: 20px;
}

.section.hidden {
    display: none;
}

/* Card */
.card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.card h2 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--text-color);
}

/* Input Group */
.input-group {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.input-group input {
    flex: 1;
    min-width: 200px;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-color);
    color: var(--text-color);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.input-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.help-text {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.5;
}

/* Buttons */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn:active {
    transform: translateY(0);
}

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

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

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

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

.btn-control {
    background: var(--card-bg);
    color: var(--text-color);
    border: 2px solid var(--border-color);
}

.btn-control:hover {
    border-color: var(--primary-color);
    background: rgba(79, 70, 229, 0.1);
}

.btn-control.muted {
    background: rgba(220, 38, 38, 0.2);
    border-color: var(--danger-color);
}

/* Video Container */
.video-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

@media (min-width: 768px) {
    .video-container {
        grid-template-columns: 1fr 300px;
    }
}

.video-wrapper {
    position: relative;
    background: var(--bg-color);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 2px solid var(--border-color);
}

.video-wrapper.local {
    order: 2;
}

@media (min-width: 768px) {
    .video-wrapper.local {
        order: 1;
    }
}

.video-wrapper video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    min-height: 300px;
    background: var(--bg-color);
}

@media (min-width: 768px) {
    .video-wrapper:not(.local) video {
        min-height: 500px;
    }
}

.video-label {
    position: absolute;
    top: 10px;
    left: 10px;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 600;
}

.connection-status {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 1rem;
    text-align: center;
    pointer-events: none;
}

/* Controls */
.controls {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.controls .btn {
    min-width: 140px;
}

/* Debug Info */
details {
    background: var(--card-bg);
    padding: 15px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

summary {
    cursor: pointer;
    font-weight: 600;
    color: var(--text-color);
    user-select: none;
}

summary:hover {
    color: var(--primary-color);
}

.debug-info {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
    font-size: 0.875rem;
    line-height: 1.8;
}

.debug-info div {
    display: flex;
    justify-content: space-between;
    padding: 5px 0;
}

.debug-info strong {
    color: var(--text-secondary);
}

.debug-info span {
    color: var(--text-color);
    font-family: 'Courier New', monospace;
}

/* Error Message */
.error-message {
    background: rgba(220, 38, 38, 0.2);
    border: 2px solid var(--danger-color);
    color: var(--text-color);
    padding: 15px 20px;
    border-radius: 8px;
    margin-top: 20px;
    animation: slideIn 0.3s ease;
}

.error-message.hidden {
    display: none;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }

    .card {
        padding: 20px;
    }

    .controls .btn {
        min-width: 100px;
        padding: 10px 16px;
        font-size: 0.875rem;
    }

    .btn .label {
        display: none;
    }

    .btn .icon {
        font-size: 1.5rem;
    }
}

/* Loading Animation */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.connection-status {
    animation: pulse 2s ease-in-out infinite;
}