/* SnowWorld Client Display Styles */
:root {
    --primary-color: #0066cc;
    --secondary-color: #e6f3ff;
    --accent-color: #00a8ff;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --dark-color: #2c3e50;
    --light-color: #f8f9fa;
    --white: #ffffff;
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    height: 100vh;
    overflow: hidden;
    color: var(--white);
}

/* Main Display Container */
.display-container {
    position: relative;
    width: 100vw;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

/* Loading Screen */
.loading-screen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loading-content {
    text-align: center;
    color: var(--white);
}

.snowflake-loader {
    font-size: 4rem;
    margin-bottom: 2rem;
    animation: snowflake-spin 2s linear infinite;
}

@keyframes snowflake-spin {
    0% { transform: rotate(0deg) scale(1); }
    50% { transform: rotate(180deg) scale(1.1); }
    100% { transform: rotate(360deg) scale(1); }
}

.loading-content h2 {
    font-size: 2.5rem;
    font-weight: 300;
    margin-bottom: 0.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.loading-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.loading-bar {
    width: 200px;
    height: 4px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 2px;
    overflow: hidden;
    margin: 0 auto;
}

.loading-progress {
    height: 100%;
    background: var(--white);
    border-radius: 2px;
    animation: loading-progress 3s ease-in-out infinite;
}

@keyframes loading-progress {
    0% { width: 0%; }
    50% { width: 70%; }
    100% { width: 100%; }
}

/* Content Display */
.content-display {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
}

.content-item {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.content-item.active {
    opacity: 1;
}

.content-item img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.content-item video {
    max-width: 100%;
    max-height: 100%;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.content-item .content-placeholder {
    text-align: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    backdrop-filter: blur(10px);
}

.content-placeholder i {
    font-size: 6rem;
    margin-bottom: 1rem;
    opacity: 0.8;
}

.content-placeholder h3 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.content-placeholder p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* Weather Widget */
.weather-widget {
    position: absolute;
    top: 2rem;
    right: 2rem;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    border: 1px solid rgba(255, 255, 255, 0.2);
    z-index: 10;
    min-width: 200px;
}

.weather-content {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.weather-temp {
    font-size: 2.5rem;
    font-weight: 300;
    color: var(--white);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.weather-info {
    flex: 1;
}

.weather-condition {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.weather-condition i {
    color: var(--accent-color);
}

.weather-details {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* Zone Indicator */
.zone-indicator {
    position: absolute;
    top: 2rem;
    left: 2rem;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    padding: 1rem 1.5rem;
    box-shadow: var(--shadow);
    border: 1px solid rgba(255, 255, 255, 0.2);
    z-index: 10;
}

.zone-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.2rem;
    font-weight: 500;
}

.zone-info i {
    color: var(--accent-color);
}

/* Time Display */
.time-display {
    position: absolute;
    bottom: 2rem;
    right: 2rem;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    border: 1px solid rgba(255, 255, 255, 0.2);
    z-index: 10;
    text-align: center;
}

.current-time {
    font-size: 3rem;
    font-weight: 300;
    color: var(--white);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    margin-bottom: 0.5rem;
}

.current-date {
    font-size: 1rem;
    opacity: 0.9;
}

/* Snow Animation */
.snow-animation {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.snowflake {
    position: absolute;
    color: rgba(255, 255, 255, 0.8);
    font-size: 1rem;
    animation: snowfall linear infinite;
}

.snowflake:nth-child(1) {
    left: 10%;
    animation-duration: 10s;
    animation-delay: 0s;
}

.snowflake:nth-child(2) {
    left: 20%;
    animation-duration: 12s;
    animation-delay: 1s;
}

.snowflake:nth-child(3) {
    left: 30%;
    animation-duration: 8s;
    animation-delay: 2s;
}

.snowflake:nth-child(4) {
    left: 40%;
    animation-duration: 14s;
    animation-delay: 0.5s;
}

.snowflake:nth-child(5) {
    left: 50%;
    animation-duration: 9s;
    animation-delay: 1.5s;
}

.snowflake:nth-child(6) {
    left: 60%;
    animation-duration: 11s;
    animation-delay: 3s;
}

.snowflake:nth-child(7) {
    left: 70%;
    animation-duration: 13s;
    animation-delay: 2.5s;
}

.snowflake:nth-child(8) {
    left: 80%;
    animation-duration: 15s;
    animation-delay: 4s;
}

@keyframes snowfall {
    0% {
        transform: translateY(-100vh) rotate(0deg);
        opacity: 1;
    }
    100% {
        transform: translateY(100vh) rotate(360deg);
        opacity: 0;
    }
}

/* Connection Status */
.connection-status {
    position: absolute;
    bottom: 2rem;
    left: 2rem;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    padding: 0.75rem 1rem;
    box-shadow: var(--shadow);
    border: 1px solid rgba(255, 255, 255, 0.2);
    z-index: 10;
    font-size: 0.9rem;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success-color);
    animation: pulse 2s infinite;
}

.status-dot.disconnected {
    background: var(--danger-color);
    animation: none;
}

.status-dot.connecting {
    background: var(--warning-color);
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Error Overlay */
.error-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.error-overlay.active {
    display: flex;
}

.error-content {
    background: var(--white);
    color: var(--text-primary);
    padding: 3rem;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow);
    max-width: 400px;
}

.error-icon {
    font-size: 4rem;
    color: var(--danger-color);
    margin-bottom: 1rem;
}

.error-content h3 {
    margin-bottom: 1rem;
    color: var(--danger-color);
}

.error-content p {
    margin-bottom: 2rem;
    opacity: 0.8;
}

.retry-button {
    background: var(--primary-color);
    color: var(--white);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 1rem;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.retry-button:hover {
    background: #0052a3;
    transform: translateY(-1px);
}

/* Zone Selection Modal */
.zone-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 3000;
}

.zone-modal.active {
    display: flex;
}

.zone-modal-content {
    background: var(--white);
    color: var(--text-primary);
    padding: 3rem;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow);
    max-width: 600px;
    width: 90%;
}

.zone-modal-content h2 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.zone-modal-content p {
    margin-bottom: 2rem;
    opacity: 0.8;
}

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

.zone-option {
    background: var(--light-color);
    border: 2px solid transparent;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.zone-option:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.zone-option.selected {
    border-color: var(--primary-color);
    background: var(--secondary-color);
}

.zone-option-icon {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.zone-option-name {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.zone-option-description {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Content Transitions */
.content-fade-in {
    animation: contentFadeIn 1s ease-in-out;
}

@keyframes contentFadeIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.content-fade-out {
    animation: contentFadeOut 1s ease-in-out;
}

@keyframes contentFadeOut {
    from {
        opacity: 1;
        transform: scale(1);
    }
    to {
        opacity: 0;
        transform: scale(1.1);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .weather-widget {
        top: 1rem;
        right: 1rem;
        padding: 1rem;
        min-width: 150px;
    }
    
    .weather-temp {
        font-size: 2rem;
    }
    
    .zone-indicator {
        top: 1rem;
        left: 1rem;
        padding: 0.75rem 1rem;
    }
    
    .time-display {
        bottom: 1rem;
        right: 1rem;
        padding: 1rem;
    }
    
    .current-time {
        font-size: 2rem;
    }
    
    .connection-status {
        bottom: 1rem;
        left: 1rem;
        padding: 0.5rem 0.75rem;
        font-size: 0.8rem;
    }
    
    .zone-options {
        grid-template-columns: 1fr;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .weather-widget,
    .zone-indicator,
    .time-display,
    .connection-status {
        background: rgba(0, 0, 0, 0.8);
        color: white;
        border: 2px solid white;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .snowflake-loader {
        animation: none;
    }
    
    .loading-progress {
        animation: none;
        width: 100%;
    }
    
    .snowflake {
        animation: none;
    }
    
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}