/* ============================================
   Is Pixie Sad Today? - Main Stylesheet
   A calming, liquid glass UI experience
   ============================================ */

/* ============================================
   CSS Custom Properties (Variables)
   ============================================ */
:root {
    /* Primary Colors - Soft, calming palette */
    --color-bg-start: #1a1a2e;
    --color-bg-end: #16213e;
    --color-primary: rgba(138, 180, 248, 0.9);
    --color-secondary: rgba(187, 154, 247, 0.9);
    --color-accent: rgba(255, 182, 193, 0.8);
    
    /* Glass Effect Colors */
    --glass-bg: rgba(255, 255, 255, 0.08);
    --glass-border: rgba(255, 255, 255, 0.15);
    --glass-shadow: rgba(0, 0, 0, 0.2);
    --glass-highlight: rgba(255, 255, 255, 0.25);
    
    /* Text Colors */
    --text-primary: rgba(255, 255, 255, 0.95);
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.5);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 12px;
    --radius-md: 20px;
    --radius-lg: 30px;
    --radius-full: 50%;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Font */
    --font-family: 'Nunito', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background: linear-gradient(135deg, var(--color-bg-start) 0%, var(--color-bg-end) 100%);
    min-height: 100vh;
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* ============================================
   Animated Background Orbs
   ============================================ */
.background-orbs {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.orb {
    position: absolute;
    border-radius: var(--radius-full);
    filter: blur(80px);
    opacity: 0.4;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(138, 180, 248, 0.6) 0%, transparent 70%);
    top: -100px;
    left: -100px;
    animation-delay: 0s;
}

.orb-2 {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(187, 154, 247, 0.5) 0%, transparent 70%);
    top: 30%;
    right: -80px;
    animation-delay: -5s;
    animation-duration: 25s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255, 182, 193, 0.4) 0%, transparent 70%);
    bottom: 10%;
    left: 20%;
    animation-delay: -10s;
    animation-duration: 22s;
}

.orb-4 {
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, rgba(129, 236, 236, 0.4) 0%, transparent 70%);
    top: 50%;
    left: 60%;
    animation-delay: -7s;
    animation-duration: 28s;
}

.orb-5 {
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(253, 203, 110, 0.3) 0%, transparent 70%);
    bottom: -50px;
    right: 20%;
    animation-delay: -12s;
    animation-duration: 30s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    25% {
        transform: translate(30px, -30px) scale(1.05);
    }
    50% {
        transform: translate(-20px, 20px) scale(0.95);
    }
    75% {
        transform: translate(20px, 30px) scale(1.02);
    }
}

/* ============================================
   Main Container
   ============================================ */
.container {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-lg) var(--spacing-md);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* ============================================
   Header Section
   ============================================ */
.header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.pixie-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--radius-full);
    border: 1px solid var(--glass-border);
    box-shadow: 
        0 8px 32px var(--glass-shadow),
        inset 0 1px 0 var(--glass-highlight);
    animation: pulse-glow 3s ease-in-out infinite;
}

.pixie-icon i {
    font-size: 2rem;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 
            0 8px 32px var(--glass-shadow),
            inset 0 1px 0 var(--glass-highlight),
            0 0 20px rgba(138, 180, 248, 0.2);
    }
    50% {
        box-shadow: 
            0 8px 32px var(--glass-shadow),
            inset 0 1px 0 var(--glass-highlight),
            0 0 40px rgba(187, 154, 247, 0.3);
    }
}

.title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--color-primary) 50%, var(--color-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.subtitle {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    font-weight: 400;
    line-height: 1.8;
}

/* ============================================
   Mood Selection Section
   ============================================ */
.mood-section {
    text-align: center;
}

.mood-prompt {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-lg);
    font-weight: 500;
}

.mood-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: var(--spacing-md);
    max-width: 900px;
    margin: 0 auto;
}

/* ============================================
   Mood Cards - Liquid Glass Effect
   ============================================ */
.mood-card {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg) var(--spacing-md);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--radius-md);
    border: 1px solid var(--glass-border);
    text-decoration: none;
    color: var(--text-primary);
    overflow: hidden;
    transition: 
        transform var(--transition-normal),
        box-shadow var(--transition-normal),
        border-color var(--transition-normal);
    cursor: pointer;
    box-shadow: 
        0 8px 32px var(--glass-shadow),
        inset 0 1px 0 var(--glass-highlight);
}

/* Liquid glow effect on hover */
.mood-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 150%;
    height: 150%;
    background: radial-gradient(circle, rgba(138, 180, 248, 0.15) 0%, transparent 50%);
    transform: translate(-50%, -50%) scale(0);
    transition: transform var(--transition-slow);
    pointer-events: none;
}

.mood-card:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: rgba(138, 180, 248, 0.4);
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.3),
        0 0 40px rgba(138, 180, 248, 0.15),
        inset 0 1px 0 var(--glass-highlight);
}

.mood-card:hover .mood-glow {
    transform: translate(-50%, -50%) scale(1);
}

.mood-card:active {
    transform: translateY(-4px) scale(0.98);
}

.mood-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, rgba(138, 180, 248, 0.2), rgba(187, 154, 247, 0.2));
    border-radius: var(--radius-full);
    transition: transform var(--transition-normal);
}

.mood-card:hover .mood-icon {
    transform: scale(1.1);
}

.mood-icon i {
    font-size: 1.5rem;
    color: var(--color-primary);
    transition: color var(--transition-normal);
}

.mood-card:hover .mood-icon i {
    color: var(--color-secondary);
}

.mood-label {
    font-size: 0.95rem;
    font-weight: 600;
    text-align: center;
    transition: color var(--transition-normal);
}

.mood-card:hover .mood-label {
    color: var(--color-primary);
}

/* Individual mood card color variations */
.mood-card[data-mood="sad"]:hover { border-color: rgba(116, 185, 255, 0.5); }
.mood-card[data-mood="sad"] .mood-icon i { color: #74b9ff; }

.mood-card[data-mood="tired"]:hover { border-color: rgba(162, 155, 254, 0.5); }
.mood-card[data-mood="tired"] .mood-icon i { color: #a29bfe; }

.mood-card[data-mood="empty"]:hover { border-color: rgba(178, 190, 195, 0.5); }
.mood-card[data-mood="empty"] .mood-icon i { color: #b2bec3; }

.mood-card[data-mood="stressed"]:hover { border-color: rgba(253, 203, 110, 0.5); }
.mood-card[data-mood="stressed"] .mood-icon i { color: #fdcb6e; }

.mood-card[data-mood="lonely"]:hover { border-color: rgba(108, 92, 231, 0.5); }
.mood-card[data-mood="lonely"] .mood-icon i { color: #6c5ce7; }

.mood-card[data-mood="anxious"]:hover { border-color: rgba(255, 118, 117, 0.5); }
.mood-card[data-mood="anxious"] .mood-icon i { color: #ff7675; }

.mood-card[data-mood="overwhelmed"]:hover { border-color: rgba(0, 206, 201, 0.5); }
.mood-card[data-mood="overwhelmed"] .mood-icon i { color: #00cec9; }

.mood-card[data-mood="lost"]:hover { border-color: rgba(253, 121, 168, 0.5); }
.mood-card[data-mood="lost"] .mood-icon i { color: #fd79a8; }

.mood-card[data-mood="unmotivated"]:hover { border-color: rgba(225, 112, 85, 0.5); }
.mood-card[data-mood="unmotivated"] .mood-icon i { color: #e17055; }

.mood-card[data-mood="calm"]:hover { border-color: rgba(85, 239, 196, 0.5); }
.mood-card[data-mood="calm"] .mood-icon i { color: #55efc4; }

/* ============================================
   Footer
   ============================================ */
.footer {
    text-align: center;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
}

.footer p {
    color: var(--text-muted);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

.footer i {
    color: var(--color-accent);
    animation: heartbeat 2s ease-in-out infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    15% { transform: scale(1.15); }
    30% { transform: scale(1); }
    45% { transform: scale(1.1); }
}

/* ============================================
   Animations
   ============================================ */
.fade-in {
    animation: fadeIn 0.8s ease-out forwards;
}

.fade-in-delayed {
    opacity: 0;
    animation: fadeIn 0.8s ease-out 0.3s forwards;
}

.fade-in-delayed-2 {
    opacity: 0;
    animation: fadeIn 0.8s ease-out 0.6s forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   Mood Page Specific Styles
   ============================================ */
.mood-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.mood-content {
    max-width: 700px;
    width: 100%;
    text-align: center;
    animation: fadeInScale 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.mood-content-card {
    background: var(--glass-bg);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border-radius: var(--radius-lg);
    border: 1px solid var(--glass-border);
    padding: var(--spacing-xl);
    box-shadow: 
        0 20px 60px var(--glass-shadow),
        inset 0 1px 0 var(--glass-highlight);
}

.mood-page-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(138, 180, 248, 0.2), rgba(187, 154, 247, 0.2));
    border-radius: var(--radius-full);
    animation: gentleBounce 3s ease-in-out infinite;
}

@keyframes gentleBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.mood-page-icon i {
    font-size: 2.5rem;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.mood-page-title {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--text-primary), var(--color-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.mood-message {
    font-size: 1.1rem;
    line-height: 1.9;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    text-align: left;
}

.mood-message p {
    margin-bottom: var(--spacing-sm);
}

/* Video Container */
.video-container {
    margin: var(--spacing-lg) 0;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
}

.video-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    color: var(--text-primary);
    text-decoration: none;
    transition: all var(--transition-normal);
}

.video-link:hover {
    background: rgba(255, 255, 255, 0.05);
}

.video-link i {
    font-size: 2rem;
    color: #ff0000;
}

.video-link span {
    font-weight: 500;
}

/* Back Button */
.back-button {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-lg);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-normal);
    box-shadow: 0 4px 15px var(--glass-shadow);
}

.back-button:hover {
    transform: translateY(-3px);
    border-color: var(--color-primary);
    box-shadow: 
        0 8px 25px var(--glass-shadow),
        0 0 20px rgba(138, 180, 248, 0.2);
}

.back-button i {
    transition: transform var(--transition-fast);
}

.back-button:hover i {
    transform: translateX(-3px);
}

/* Audio Control */
.audio-control {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-normal);
    z-index: 100;
}

.audio-control:hover {
    transform: scale(1.1);
    border-color: var(--color-primary);
}

.audio-control i {
    font-size: 1.2rem;
    color: var(--color-primary);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 768px) {
    .container {
        padding: var(--spacing-md) var(--spacing-sm);
    }
    
    .mood-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }
    
    .mood-card {
        padding: var(--spacing-md) var(--spacing-sm);
    }
    
    .mood-icon {
        width: 50px;
        height: 50px;
    }
    
    .mood-icon i {
        font-size: 1.25rem;
    }
    
    .mood-label {
        font-size: 0.85rem;
    }
    
    .orb {
        filter: blur(60px);
        opacity: 0.3;
    }
    
    .orb-1, .orb-2 {
        width: 250px;
        height: 250px;
    }
    
    .orb-3, .orb-4, .orb-5 {
        width: 150px;
        height: 150px;
    }
    
    .mood-content-card {
        padding: var(--spacing-lg);
    }
    
    .mood-page-icon {
        width: 80px;
        height: 80px;
    }
    
    .mood-page-icon i {
        font-size: 2rem;
    }
    
    .mood-message {
        font-size: 1rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .mood-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .title {
        font-size: 1.75rem;
    }
    
    .subtitle {
        font-size: 0.95rem;
    }
    
    .pixie-icon {
        width: 60px;
        height: 60px;
    }
    
    .pixie-icon i {
        font-size: 1.5rem;
    }
}

/* ============================================
   Accessibility
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .orb {
        animation: none;
    }
}

/* Focus States */
.mood-card:focus,
.back-button:focus,
.audio-control:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 3px;
}

/* ============================================
   Mood-Specific Background Variations
   ============================================ */
.bg-sad {
    background: linear-gradient(135deg, #1a1a2e 0%, #1e3a5f 50%, #16213e 100%);
}

.bg-tired {
    background: linear-gradient(135deg, #1a1a2e 0%, #2d1b4e 50%, #16213e 100%);
}

.bg-empty {
    background: linear-gradient(135deg, #1a1a2e 0%, #2c3e50 50%, #16213e 100%);
}

.bg-stressed {
    background: linear-gradient(135deg, #1a1a2e 0%, #4a3728 50%, #16213e 100%);
}

.bg-lonely {
    background: linear-gradient(135deg, #1a1a2e 0%, #2d1f4e 50%, #16213e 100%);
}

.bg-anxious {
    background: linear-gradient(135deg, #1a1a2e 0%, #3d2a3d 50%, #16213e 100%);
}

.bg-overwhelmed {
    background: linear-gradient(135deg, #1a1a2e 0%, #1e4d4a 50%, #16213e 100%);
}

.bg-lost {
    background: linear-gradient(135deg, #1a1a2e 0%, #3d2a3d 50%, #16213e 100%);
}

.bg-unmotivated {
    background: linear-gradient(135deg, #1a1a2e 0%, #3d3028 50%, #16213e 100%);
}

.bg-calm {
    background: linear-gradient(135deg, #1a1a2e 0%, #1e4a3d 50%, #16213e 100%);
}