/* ========================================
   WebXR Tarot Reading - Mystical Theme
   ======================================== */

/* CSS Variables */
:root {
    /* Colors */
    --primary-purple: #6b21a8;
    --deep-purple: #1e1033;
    --mystic-gold: #d4af37;
    --soft-gold: #f5d799;
    --cosmic-blue: #2d1b69;
    --ethereal-pink: #c084fc;
    --dark-bg: #0a0612;
    --card-bg: rgba(30, 16, 51, 0.85);
    --glass-bg: rgba(107, 33, 168, 0.15);
    --glass-border: rgba(212, 175, 55, 0.3);

    /* Typography */
    --font-display: 'Cinzel', serif;
    --font-body: 'Cormorant Garamond', serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;

    /* Effects */
    --glow-gold: 0 0 20px rgba(212, 175, 55, 0.5);
    --glow-purple: 0 0 30px rgba(107, 33, 168, 0.6);
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html,
body {
    height: 100%;
    overflow: hidden;
}

body {
    font-family: var(--font-body);
    font-size: 18px;
    line-height: 1.6;
    color: #fff;
    background: var(--dark-bg);
}

/* Screen Management */
.screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.screen.active {
    display: flex;
    opacity: 1;
}

/* Hidden Utility */
.hidden {
    display: none !important;
}

/* ========================================
   Landing Screen
   ======================================== */

#landing-screen {
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
}

/* Animated Mystical Background */
.mystical-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(ellipse at 20% 80%, rgba(107, 33, 168, 0.4) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(45, 27, 105, 0.5) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(192, 132, 252, 0.1) 0%, transparent 70%),
        linear-gradient(180deg, var(--dark-bg) 0%, var(--deep-purple) 100%);
    z-index: -1;
}

.mystical-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(2px 2px at 20px 30px, rgba(212, 175, 55, 0.4), transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(255, 255, 255, 0.3), transparent),
        radial-gradient(1px 1px at 90px 40px, rgba(192, 132, 252, 0.5), transparent),
        radial-gradient(2px 2px at 130px 80px, rgba(212, 175, 55, 0.3), transparent),
        radial-gradient(1px 1px at 160px 120px, rgba(255, 255, 255, 0.4), transparent);
    background-size: 200px 200px;
    animation: twinkle 4s ease-in-out infinite alternate;
}

@keyframes twinkle {
    0% {
        opacity: 0.5;
    }

    100% {
        opacity: 1;
    }
}

.content-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    max-width: 500px;
    width: 100%;
}

/* Hero Section */
.hero {
    text-align: center;
}

.logo-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.crystal-ball {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background:
        radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.4) 0%, transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(107, 33, 168, 0.8) 0%, transparent 50%),
        linear-gradient(135deg, var(--cosmic-blue), var(--primary-purple));
    box-shadow:
        var(--glow-purple),
        inset 0 0 30px rgba(212, 175, 55, 0.2);
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
        box-shadow: var(--glow-purple);
    }

    50% {
        transform: scale(1.05);
        box-shadow: 0 0 50px rgba(107, 33, 168, 0.8);
    }
}

h1 {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--mystic-gold);
    text-shadow: var(--glow-gold);
    letter-spacing: 0.1em;
}

.tagline {
    font-size: 1.1rem;
    color: var(--ethereal-pink);
    font-style: italic;
}

/* Glass Panel */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: var(--spacing-lg);
    width: 100%;
    text-align: center;
    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.glass-panel h2 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--mystic-gold);
    margin-bottom: var(--spacing-xs);
}

.glass-panel p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-md);
}

/* Input Group */
.input-group {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.input-group input {
    flex: 1;
    padding: 14px 18px;
    font-family: var(--font-body);
    font-size: 1rem;
    color: #fff;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    outline: none;
    transition: var(--transition-smooth);
}

.input-group input:focus {
    border-color: var(--mystic-gold);
    box-shadow: 0 0 10px rgba(212, 175, 55, 0.3);
}

.input-group input::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.icon-btn {
    padding: 14px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    cursor: pointer;
    transition: var(--transition-smooth);
    font-size: 1.2rem;
}

.icon-btn:hover {
    background: rgba(212, 175, 55, 0.2);
    border-color: var(--mystic-gold);
}

/* Buttons */
.primary-btn {
    position: relative;
    padding: 16px 32px;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--dark-bg);
    background: linear-gradient(135deg, var(--mystic-gold), var(--soft-gold));
    border: none;
    border-radius: 12px;
    cursor: pointer;
    overflow: hidden;
    transition: var(--transition-smooth);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

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

.primary-btn.large {
    padding: 20px 48px;
    font-size: 1.2rem;
}

.primary-btn .btn-glow {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.5s ease;
}

.primary-btn:hover .btn-glow {
    left: 100%;
}

.secondary-btn {
    padding: 14px 28px;
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--mystic-gold);
    background: transparent;
    border: 2px solid var(--mystic-gold);
    border-radius: 12px;
    cursor: pointer;
    transition: var(--transition-smooth);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.secondary-btn:hover {
    background: rgba(212, 175, 55, 0.1);
}

/* Hint Text */
.hint {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
    margin-top: var(--spacing-sm);
}

.hint a {
    color: var(--ethereal-pink);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.hint a:hover {
    color: var(--mystic-gold);
    text-decoration: underline;
}

/* Status Indicator */
.status-indicator {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 8px 16px;
    background: rgba(0, 255, 100, 0.1);
    border: 1px solid rgba(0, 255, 100, 0.3);
    border-radius: 20px;
    margin-bottom: var(--spacing-md);
    font-size: 0.9rem;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #666;
}

.status-dot.active {
    background: #00ff64;
    box-shadow: 0 0 10px rgba(0, 255, 100, 0.5);
    animation: blink 2s ease-in-out infinite;
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

/* Warning Panel */
.glass-panel.warning {
    border-color: rgba(255, 180, 0, 0.5);
    background: rgba(255, 180, 0, 0.1);
}

.glass-panel.warning h3 {
    color: #ffb400;
}

/* ========================================
   AR Screen
   ======================================== */

#ar-screen {
    background: #000;
}

#xr-canvas {
    width: 100%;
    height: 100%;
}

/* AR Overlay */
.ar-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.ar-overlay>* {
    pointer-events: auto;
}

/* AR Panels */
.ar-panel {
    position: absolute;
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    color: #fff;
}

.top-panel {
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    padding: 12px 24px;
    font-size: 1rem;
}

.side-panel {
    top: 50%;
    right: 20px;
    transform: translateY(-50%);
    width: 350px;
    max-height: 70vh;
    display: flex;
    flex-direction: column;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--glass-border);
}

.panel-header h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    color: var(--mystic-gold);
}

.panel-body {
    padding: var(--spacing-md);
    overflow-y: auto;
    flex: 1;
}

.panel-body.scrollable {
    max-height: 50vh;
}

.panel-body p {
    margin-bottom: var(--spacing-sm);
    line-height: 1.8;
}

/* Card Selection Modal */
.ar-modal {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.7);
}

.modal-content {
    max-width: 450px;
    width: 90%;
}

.modal-content h3 {
    font-family: var(--font-display);
    font-size: 1.4rem;
    color: var(--mystic-gold);
    margin-bottom: var(--spacing-xs);
}

.card-selectors {
    display: flex;
    gap: var(--spacing-sm);
    margin: var(--spacing-lg) 0;
}

.card-slot {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.card-slot label {
    font-family: var(--font-display);
    font-size: 0.9rem;
    color: var(--ethereal-pink);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.card-select {
    padding: 12px;
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: #fff;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    cursor: pointer;
    outline: none;
}

.card-select:focus {
    border-color: var(--mystic-gold);
}

.card-select option {
    background: var(--deep-purple);
    color: #fff;
}

.modal-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
}

/* Floating Buttons */
.floating-btn {
    position: absolute;
    bottom: 40px;
    padding: 16px 32px;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--dark-bg);
    background: linear-gradient(135deg, var(--mystic-gold), var(--soft-gold));
    border: none;
    border-radius: 30px;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(212, 175, 55, 0.4);
    transition: var(--transition-smooth);
}

.floating-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 30px rgba(212, 175, 55, 0.6);
}

#read-cards-btn {
    left: 50%;
    transform: translateX(-50%);
}

.exit-btn {
    left: 20px;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: none;
}

.exit-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    box-shadow: none;
}

/* Loading Spinner */
.loading-spinner {
    width: 40px;
    height: 40px;
    margin: 0 auto var(--spacing-sm);
    border: 3px solid rgba(212, 175, 55, 0.2);
    border-top-color: var(--mystic-gold);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ========================================
   Responsive Design
   ======================================== */

@media (max-width: 600px) {
    h1 {
        font-size: 2rem;
    }

    .glass-panel {
        padding: var(--spacing-md);
    }

    .card-selectors {
        flex-direction: column;
    }

    .side-panel {
        width: calc(100% - 40px);
        right: 20px;
        left: 20px;
        transform: translateY(-50%);
    }
}

/* ========================================
   VR-Specific Optimizations
   ======================================== */

@media (display-mode: fullscreen) {

    .ar-panel,
    .floating-btn,
    .ar-modal {
        /* Larger touch targets for VR */
        min-height: 48px;
    }

    .panel-body {
        font-size: 1.1rem;
        line-height: 2;
    }
}

/* ========================================
   Instructions Preview
   ======================================== */

.instructions-preview {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--glass-border);
    text-align: left;
}

.instructions-preview h3 {
    font-family: var(--font-display);
    font-size: 1rem;
    color: var(--mystic-gold);
    margin-bottom: var(--spacing-sm);
    text-align: center;
}

.instructions-preview ol {
    list-style-position: inside;
    padding-left: 0;
}

.instructions-preview li {
    margin-bottom: var(--spacing-xs);
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.8);
    padding-left: var(--spacing-xs);
}

.instructions-preview li::marker {
    color: var(--ethereal-pink);
    font-weight: bold;
}

/* ========================================
   Enhanced Reading Content
   ======================================== */

.reading-content {
    line-height: 1.9;
}

.reading-content h2 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    color: var(--mystic-gold);
    margin: var(--spacing-md) 0 var(--spacing-sm);
    padding-bottom: var(--spacing-xs);
    border-bottom: 1px solid var(--glass-border);
}

.reading-content h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    color: var(--ethereal-pink);
    margin: var(--spacing-md) 0 var(--spacing-xs);
}

.reading-content h4 {
    font-size: 1rem;
    color: var(--soft-gold);
    margin: var(--spacing-sm) 0 var(--spacing-xs);
}

.reading-content strong {
    color: var(--mystic-gold);
}

.reading-content em {
    color: var(--ethereal-pink);
    font-style: italic;
}

.reading-content p {
    margin-bottom: var(--spacing-sm);
}

/* ========================================
   Enhanced VR Touch Scrolling
   ======================================== */

.panel-body.scrollable {
    -webkit-overflow-scrolling: touch;
    scroll-behavior: smooth;
    overscroll-behavior: contain;
    touch-action: pan-y;
}

/* Custom scrollbar for results panel */
.panel-body.scrollable::-webkit-scrollbar {
    width: 8px;
}

.panel-body.scrollable::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 4px;
}

.panel-body.scrollable::-webkit-scrollbar-thumb {
    background: var(--mystic-gold);
    border-radius: 4px;
}

.panel-body.scrollable::-webkit-scrollbar-thumb:hover {
    background: var(--soft-gold);
}

/* ========================================
   Loading States
   ======================================== */

.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    text-align: center;
}

.loading-state p {
    margin-top: var(--spacing-sm);
    color: rgba(255, 255, 255, 0.8);
}

/* Pulsing animation for card guides */
@keyframes cardPulse {

    0%,
    100% {
        opacity: 0.6;
        box-shadow: 0 0 10px rgba(212, 175, 55, 0.3);
    }

    50% {
        opacity: 0.9;
        box-shadow: 0 0 25px rgba(212, 175, 55, 0.6);
    }
}

/* ========================================
   Results Panel Improvements
   ======================================== */

#results-panel {
    transition: transform 0.3s ease, opacity 0.3s ease;
}

#results-panel.hidden {
    transform: translateX(100%);
    opacity: 0;
}

#results-panel:not(.hidden) {
    transform: translateY(-50%);
    opacity: 1;
}

/* Scroll indicator for long content */
.scroll-indicator {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    padding: 8px 16px;
    background: rgba(212, 175, 55, 0.2);
    border: 1px solid var(--mystic-gold);
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--mystic-gold);
    animation: bounce 2s infinite;
}

@keyframes bounce {

    0%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    50% {
        transform: translateX(-50%) translateY(-5px);
    }
}