/**
 * Main Styles
 * Core styling for the application
 */

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

:root {
    /* Colors - matching wama-animation aesthetic */
    --bg-color: #F3F2EE;
    --text-color: #333333;
    --text-dim: #666666;
    --border-color: #cccccc;
    --accent-color: #333333;
    
    /* Animation colors */
    --class1-color: #6b7280;
    --class2-color: #3b82f6;
    --class3-color: #22c55e;
    --class4-color: #f59e0b;
    
    /* Typography */
    --font-primary: 'Proto Mono', monospace, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;
}

html, body {
    width: 100dvw;
    height: 100dvh;
    min-height: 100dvh;
    max-height: 100dvh;
    background-color: var(--bg-color);
    font-family: var(--font-primary);
    color: var(--text-color);
    line-height: 1.5;
    overflow: hidden;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    -webkit-overflow-scrolling: touch;
    touch-action: none;
}

/* App Container */
#app {
    height: 100dvh;
    max-height: 100dvh;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

/* Header */
.app-header {
    padding: var(--spacing-lg);
    text-align: center;
    position: relative;
    z-index: 9999;
}

.app-header.hidden {
    display: none;
}

.app-header .title {
    font-size: 24px;
    letter-spacing: 0.1em;
    font-weight: 500;
}

/* Page Container */
#page-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-md);
    position: relative;
    z-index: 10;
    transition: opacity var(--transition-fast);
    overflow: hidden;
}

#page-container.transitioning {
    opacity: 0;
}

/* Page Content */
.page-content {
    width: 100%;
    max-width: 800px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Navigation Links */
.page-nav {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-top: var(--spacing-lg);
    position: relative;
    z-index: 9999;
}

.nav-link {
    display: inline-block;
    font-family: var(--font-primary);
    font-size: 1rem;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-color);
    text-decoration: none;
    border: 1px solid var(--text-color);
    border-radius: 4px;
    transition: all var(--transition-fast);
}

.nav-link:hover {
    background: var(--text-color);
    color: var(--bg-color);
}

/* Buttons */
.btn {
    font-family: var(--font-primary);
    font-size: 1rem;
    padding: var(--spacing-md) var(--spacing-lg);
    border: 2px solid var(--text-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transition-fast);
    background: transparent;
    color: var(--text-color);
}

.btn:hover {
    background: var(--text-color);
    color: var(--bg-color);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-start {
    background: var(--class3-color);
    border-color: var(--class3-color);
    color: white;
}

.btn-start:hover {
    background: #1aa34a;
    border-color: #1aa34a;
}

/* Lottie Container */
#lottie-container {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100dvw;
    min-height: 40vh;
    max-height: 50vh;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    pointer-events: none;
    z-index: 1;
}

#lottie-container svg,
#lottie-container img {
    width: 100%;
    height: 100%;
    display: block;
    pointer-events: auto;
}

/* Ensure Lottie-generated wrapper divs fill the container */
#lottie-container > div {
    width: 100% !important;
    height: 100% !important;
}

#lottie-container .lottie-svg {
    max-height: 100%;
    max-width: 100dvw;
    width: auto;
    height: auto;
    object-fit: contain;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

#lottie-container .lottie-svg.visible {
    opacity: 1;
}

/* Background Lottie */
#bg-lottie {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100dvw;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    transform: translateY(100%);
    opacity: 0;
}

#bg-lottie.waves-ready {
    animation: waves-enter 4.5s ease-out infinite;
}

#bg-lottie > div {
    width: 100% !important;
    min-width: 100% !important;
    min-height: 100%;
}

#bg-lottie svg {
    width: 100% !important;
    min-width: 100% !important;
    height: 100% !important;
    display: block;
    object-fit: cover;
    object-position: bottom;
}

/* Hidden Webcam */
.webcam-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    pointer-events: none;
}

/* Loading State */
.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 50vh;
    gap: var(--spacing-md);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--text-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Error State */
.error-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 50vh;
    gap: var(--spacing-md);
    text-align: center;
}

.error-message {
    color: #ef4444;
    font-size: 1.1rem;
}

/* Idle Page */
.page-idle-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
}

.idle-message {
    text-align: center;
}

.idle-message p {
    margin-bottom: var(--spacing-lg);
    font-size: 1.2rem;
    color: var(--text-dim);
}

/* Gesture Prompt */
.gesture-prompt {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.gesture-hint {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.gesture-countdown {
    font-size: 1rem;
    color: var(--text-dim);
}

.hold-progress {
    font-size: 1rem;
    color: var(--class3-color);
    margin-top: var(--spacing-sm);
}

/* Responsive */
@media (max-width: 768px) {
    .app-header .title {
        font-size: 20px;
    }
    
    #lottie-container {
        min-height: 30vh;
        max-height: 40vh;
    }
    
    .nav-link {
        font-size: 0.9rem;
        padding: var(--spacing-xs) var(--spacing-sm);
    }
}