/* ==========================================
   FOR SUNNY ☀️ — Mobile-First (iPhone optimized)
   ========================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    background: #fff0f5;
}

body {
    font-family: 'Nunito', -apple-system, BlinkMacSystemFont, sans-serif;
    background: linear-gradient(180deg, #fff0f5 0%, #ffecd2 50%, #fff0f5 100%);
    min-height: 100vh;
    min-height: -webkit-fill-available;
    color: #4a3040;
    overflow-x: hidden;
    padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

.hidden {
    display: none !important;
}

/* ==========================================
   LANDING PAGE
   ========================================== */

.landing {
    min-height: 100vh;
    min-height: -webkit-fill-available;
    overflow: hidden;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overscroll-behavior: none;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    padding: 2rem 1.5rem;
    position: relative;
    overflow: hidden;
}

.landing-content {
    text-align: center;
    z-index: 2;
    animation: fadeInUp 1s ease-out;
}

.sun-icon {
    font-size: 4rem;
    animation: float 3s ease-in-out infinite;
    margin-bottom: 1rem;
}

.landing-title {
    font-family: 'Caveat', cursive;
    font-size: 3rem;
    font-weight: 700;
    color: #4a3040;
    margin-bottom: 0.5rem;
}

.landing-title .highlight {
    color: #ff6b9d;
    display: inline-block;
    animation: pulse 2s ease-in-out infinite;
}

.landing-subtitle {
    font-size: 1.15rem;
    color: #8b6b7a;
    font-weight: 700;
    letter-spacing: 0.2px;
    margin-bottom: 1.75rem;
}

/* ---- "Days together" hero card ---- */
.together-card {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
    padding: 1.9rem 2.4rem 1.6rem;
    margin: 0 auto 2rem;
    max-width: 320px;
    background: rgba(255, 255, 255, 0.55);
    border: 1px solid rgba(255, 107, 157, 0.25);
    border-radius: 28px;
    box-shadow: 0 18px 45px rgba(255, 107, 157, 0.22), inset 0 1px 0 rgba(255, 255, 255, 0.7);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    animation: cardRise 0.9s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.together-eyebrow {
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: #c98aa4;
}

.together-count {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.5rem;
    line-height: 1;
}

.together-count #together-number {
    font-family: 'Caveat', cursive;
    font-size: 5.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #ff6b9d, #ff9a76);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 6px 18px rgba(255, 107, 157, 0.18);
    animation: pulse 2.4s ease-in-out infinite;
}

.together-unit {
    font-size: 1.35rem;
    font-weight: 800;
    color: #ff6b9d;
}

.together-since {
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    color: #9a7686;
}

@keyframes cardRise {
    from { opacity: 0; transform: translateY(24px) scale(0.96); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.landing-desc {
    font-size: 1rem;
    color: #7a5a6a;
    max-width: 300px;
    margin: 0 auto 1.5rem;
    line-height: 1.6;
}

.countdown-display {
    background: rgba(255, 107, 157, 0.1);
    border-radius: 12px;
    padding: 0.75rem 1.5rem;
    margin-bottom: 2rem;
    display: inline-block;
}

.countdown-display span {
    font-weight: 700;
    color: #ff6b9d;
    font-size: 0.95rem;
}

.enter-btn {
    background: linear-gradient(135deg, #ff6b9d, #ff8a80);
    color: white;
    border: none;
    padding: 1rem 3rem;
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: 700;
    font-family: 'Nunito', sans-serif;
    cursor: pointer;
    box-shadow: 0 8px 25px rgba(255, 107, 157, 0.3);
    transition: transform 0.2s, box-shadow 0.2s;
    -webkit-appearance: none;
}

.enter-btn:active {
    transform: scale(0.95);
    box-shadow: 0 4px 15px rgba(255, 107, 157, 0.3);
}

.locked-btn {
    background: linear-gradient(135deg, #e0e0e0, #bdbdbd);
    color: white;
    border: none;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    font-size: 2rem;
    cursor: pointer;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s, box-shadow 0.2s;
    -webkit-appearance: none;
    margin: 1.5rem auto;
    display: block;
    animation: shake-subtle 3s ease-in-out infinite;
}

.locked-btn:active {
    transform: scale(0.9) rotate(-5deg);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.locked-message {
    font-size: 0.95rem;
    color: #8b6b7a;
    font-weight: 600;
    min-height: 3rem;
    max-width: 300px;
    margin: 0 auto;
    text-align: center;
    line-height: 1.5;
    animation: fadeInUp 0.3s ease-out;
}

.button-row {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-top: 1.25rem;
}

.checkin-btn {
    display: block;
    margin: 0;
    padding: 0.85rem 2rem;
    border: none;
    border-radius: 50px;
    background: linear-gradient(135deg, #ff6b9d, #ff8a80);
    color: white;
    font-family: 'Nunito', sans-serif;
    font-size: 1.05rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 6px 18px rgba(255, 107, 157, 0.3);
    -webkit-appearance: none;
    appearance: none;
    transition: opacity 0.2s;
}

.checkin-btn:active {
    opacity: 0.85;
}

.checkin-response {
    display: none;
    margin: 0.9rem auto 0;
    max-width: 300px;
    font-size: 0.95rem;
    font-weight: 600;
    color: #8b6b7a;
    line-height: 1.5;
    text-align: center;
}

.checkin-response.show {
    display: block;
    animation: fadeInUp 0.3s ease-out;
}

/* Button tap feedback */
.btn-pop-feedback {
    animation: btnPop 0.4s ease;
}

@keyframes btnPop {
    0%, 100% { transform: scale(1); }
    40% { transform: scale(1.08); }
}

.float-heart {
    position: fixed;
    font-size: 1.4rem;
    pointer-events: none;
    z-index: 200;
    animation: floatHeart 1s ease-out forwards;
}

@keyframes floatHeart {
    0% { opacity: 0; transform: translateY(0) scale(0.5); }
    30% { opacity: 1; transform: translateY(-22px) scale(1.1); }
    100% { opacity: 0; transform: translateY(-64px) scale(1); }
}

.music-btn {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    bottom: calc(1.5rem + env(safe-area-inset-bottom));
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: white;
    border: 2px solid #ffb6c1;
    font-size: 1.3rem;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    -webkit-appearance: none;
    transition: transform 0.2s;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
}

.music-btn:active {
    transform: scale(0.9);
}

.music-btn.playing {
    background: linear-gradient(135deg, #fff0f5, #ffeef8);
    border-color: #ff6b9d;
    animation: pulse 2s ease-in-out infinite;
}

.floating-hearts {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.floating-hearts span {
    position: absolute;
    font-size: 1.5rem;
    opacity: 0.3;
    animation: floatRandom 6s ease-in-out infinite;
}

.floating-hearts span:nth-child(1) { top: 10%; left: 10%; animation-delay: 0s; }
.floating-hearts span:nth-child(2) { top: 20%; right: 15%; animation-delay: 1s; }
.floating-hearts span:nth-child(3) { bottom: 30%; left: 20%; animation-delay: 2s; }
.floating-hearts span:nth-child(4) { bottom: 15%; right: 10%; animation-delay: 3s; }
.floating-hearts span:nth-child(5) { top: 50%; left: 50%; animation-delay: 4s; }

/* ==========================================
   ENVELOPES GRID
   ========================================== */

.envelopes-section {
    padding: 2rem 1rem;
    padding-bottom: calc(5rem + env(safe-area-inset-bottom));
    max-width: 500px;
    margin: 0 auto;
    animation: fadeInUp 0.6s ease-out;
}

.envelopes-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.envelopes-header h2 {
    font-family: 'Caveat', cursive;
    font-size: 2.2rem;
    color: #4a3040;
}

.progress-text {
    color: #8b6b7a;
    font-size: 0.9rem;
    font-weight: 600;
    margin-top: 0.25rem;
}

.envelope-grid {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.envelope-card {
    background: white;
    border-radius: 16px;
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    position: relative;
    overflow: hidden;
    -webkit-user-select: none;
    user-select: none;
    animation: slideIn 0.5s ease-out both;
}

.envelope-card:active {
    transform: scale(0.97);
}

.envelope-card.opened {
    background: linear-gradient(135deg, #fff0f5, #ffeef8);
    border: 2px solid #ffb6c1;
}

.envelope-card.opened .envelope-lock {
    color: #ff6b9d;
}

.envelope-card.final-envelope {
    background: linear-gradient(135deg, #fff8dc, #fff0f5);
    border: 2px solid #ffd700;
    box-shadow: 0 4px 20px rgba(255, 215, 0, 0.2);
}

.envelope-card.final-envelope.glow {
    animation: glowPulse 2s ease-in-out infinite;
}

.envelope-emoji {
    font-size: 2rem;
    flex-shrink: 0;
}

.envelope-info {
    flex: 1;
}

.envelope-title {
    font-weight: 700;
    font-size: 1rem;
    color: #4a3040;
    margin-bottom: 0.15rem;
}

.envelope-subtitle {
    font-size: 0.8rem;
    color: #8b6b7a;
}

.envelope-lock {
    font-size: 1.2rem;
    color: #ccc;
    flex-shrink: 0;
}

/* ==========================================
   MODAL (Envelope Content)
   ========================================== */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    display: flex;
    align-items: stretch;
    justify-content: center;
    overflow: hidden;
    overscroll-behavior: contain;
    padding: 1rem;
    box-sizing: border-box;
}

.modal::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(74, 48, 64, 0.5);
    -webkit-backdrop-filter: blur(5px);
    backdrop-filter: blur(5px);
}

.modal-content {
    position: relative;
    background: white;
    border-radius: 20px;
    width: 100%;
    max-width: 480px;
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    touch-action: pan-y;
    padding: 1.5rem 1rem;
    padding-bottom: calc(2rem + env(safe-area-inset-bottom));
    animation: slideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    box-sizing: border-box;
}

.modal-close {
    position: sticky;
    top: 0;
    float: right;
    background: #f5f5f5;
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    font-size: 1.1rem;
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    -webkit-appearance: none;
}

.modal-close:active {
    background: #eee;
}

/* ==========================================
   PASSWORD MODAL
   ========================================== */

.password-content {
    position: relative;
    background: white;
    border-radius: 24px;
    width: 90%;
    max-width: 380px;
    padding: 2.5rem 1.5rem 2rem;
    text-align: center;
    animation: scaleIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    margin: auto;
}

#password-modal {
    align-items: center;
}

.lock-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    animation: shake-subtle 3s ease-in-out infinite;
}

.password-content h3 {
    font-size: 1.1rem;
    color: #4a3040;
    margin-bottom: 0.5rem;
    line-height: 1.5;
}

.password-hint {
    font-size: 0.85rem;
    color: #8b6b7a;
    margin-bottom: 1.25rem;
    font-style: italic;
}

#password-input {
    width: 100%;
    padding: 0.9rem 1.2rem;
    border: 2px solid #ffb6c1;
    border-radius: 12px;
    font-size: 1rem;
    font-family: 'Nunito', sans-serif;
    outline: none;
    transition: border-color 0.2s;
    -webkit-appearance: none;
    appearance: none;
}

#password-input:focus {
    border-color: #ff6b9d;
}

.unlock-btn {
    width: 100%;
    padding: 0.9rem;
    background: linear-gradient(135deg, #ff6b9d, #ff8a80);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 700;
    font-family: 'Nunito', sans-serif;
    cursor: pointer;
    margin-top: 1rem;
    transition: transform 0.2s;
    -webkit-appearance: none;
}

.unlock-btn:active {
    transform: scale(0.97);
}

.password-error {
    color: #ff6b9d;
    font-size: 0.9rem;
    font-weight: 600;
    margin-top: 0.75rem;
    animation: shake 0.4s ease-in-out;
}

.back-btn {
    background: none;
    border: none;
    color: #8b6b7a;
    font-size: 0.9rem;
    font-family: 'Nunito', sans-serif;
    cursor: pointer;
    margin-top: 1rem;
    padding: 0.5rem 1rem;
    -webkit-appearance: none;
}

/* ==========================================
   CONTENT SECTIONS INSIDE MODALS
   ========================================== */

.section-title {
    font-family: 'Caveat', cursive;
    font-size: 1.8rem;
    color: #ff6b9d;
    margin-bottom: 1rem;
    text-align: center;
}

.message-text {
    font-size: 0.95rem;
    line-height: 1.8;
    color: #4a3040;
    margin-bottom: 1.5rem;
}

.message-text p {
    margin-bottom: 1rem;
}

.message-signature {
    text-align: right;
    font-family: 'Caveat', cursive;
    font-size: 1.3rem;
    color: #ff6b9d;
    margin-top: 1.5rem;
}

/* Photo Collage */
.photo-collage {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    margin: 1.5rem 0;
    align-items: start;
}

.photo-item {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    aspect-ratio: 1;
    background: #f5f0f2;
}

.photo-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
    display: block;
    transform-origin: center center;
}

.photo-item.wide {
    grid-column: span 2;
    aspect-ratio: 16/9;
}

.photo-item.tall {
    grid-column: span 2;
    aspect-ratio: auto;
    max-height: 60vh;
}
.photo-item.tall img {
    width: 100%;
    height: auto;
    max-height: 60vh;
    object-fit: contain;
    object-position: center center;
}
.photo-item.tall .locked-photo {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
}
.photo-item.tall .locked-photo img {
    max-height: 60vh;
}

.photo-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,0.7));
    color: white;
    padding: 2rem 0.75rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1.3;
}
.photo-caption:empty {
    display: none;
}

/* Audio Player */
.audio-player {
    background: linear-gradient(135deg, #fff0f5, #ffeef8);
    border-radius: 12px;
    padding: 1rem 1.25rem;
    margin: 1rem 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.audio-play-btn {
    width: 44px;
    height: 44px;
    min-width: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, #ff6b9d, #ff8a80);
    border: none;
    color: white;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    -webkit-appearance: none;
}

.audio-play-btn:active {
    transform: scale(0.9);
}

.audio-info {
    flex: 1;
}

.audio-title {
    font-weight: 700;
    font-size: 0.85rem;
    color: #4a3040;
}

.audio-subtitle {
    font-size: 0.75rem;
    color: #8b6b7a;
    margin-top: 0.15rem;
}

.audio-waves {
    display: flex;
    align-items: center;
    gap: 2px;
    height: 20px;
}

.audio-waves .bar {
    width: 3px;
    background: #ff6b9d;
    border-radius: 2px;
    animation: waveBar 1s ease-in-out infinite paused;
}

.audio-waves.playing .bar {
    animation-play-state: running;
}

.audio-waves .bar:nth-child(1) { height: 40%; animation-delay: 0s; }
.audio-waves .bar:nth-child(2) { height: 70%; animation-delay: 0.1s; }
.audio-waves .bar:nth-child(3) { height: 50%; animation-delay: 0.2s; }
.audio-waves .bar:nth-child(4) { height: 90%; animation-delay: 0.3s; }
.audio-waves .bar:nth-child(5) { height: 60%; animation-delay: 0.4s; }
.audio-waves .bar:nth-child(6) { height: 80%; animation-delay: 0.15s; }
.audio-waves .bar:nth-child(7) { height: 45%; animation-delay: 0.25s; }

/* Timeline */
.timeline {
    position: relative;
    padding-left: 1.5rem;
    margin: 1.5rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, #ffb6c1, #ff6b9d);
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    margin-bottom: 1.5rem;
    padding-left: 1rem;
    animation: fadeInLeft 0.5s ease-out both;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -1.75rem;
    top: 0.5rem;
    width: 10px;
    height: 10px;
    background: #ff6b9d;
    border-radius: 50%;
    border: 2px solid white;
    box-shadow: 0 0 0 2px #ffb6c1;
}

.timeline-date {
    font-size: 0.75rem;
    font-weight: 700;
    color: #ff6b9d;
    margin-bottom: 0.25rem;
}

.timeline-text {
    font-size: 0.9rem;
    line-height: 1.5;
    color: #4a3040;
}

.timeline-text em {
    color: #8b6b7a;
    font-style: normal;
    font-size: 0.85rem;
}

/* WhatsApp-style chat bubbles */
.chat-bubbles {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin: 1rem 0;
}

.chat-bubble {
    max-width: 82%;
    padding: 0.6rem 0.85rem;
    border-radius: 12px;
    font-size: 0.85rem;
    line-height: 1.5;
    position: relative;
    word-wrap: break-word;
}

.chat-bubble.her {
    align-self: flex-start;
    background: white;
    border: 1px solid #f0e0e8;
    border-top-left-radius: 4px;
    color: #4a3040;
}

.chat-bubble.me {
    align-self: flex-end;
    background: #dcf8c6;
    border-top-right-radius: 4px;
    color: #1a3a1a;
}

.chat-bubble .bubble-name {
    font-size: 0.7rem;
    font-weight: 700;
    margin-bottom: 0.2rem;
    display: block;
}

.chat-bubble.her .bubble-name {
    color: #ff6b9d;
}

.chat-bubble.me .bubble-name {
    color: #4caf50;
}

.chat-bubble .bubble-time {
    font-size: 0.65rem;
    color: #999;
    text-align: right;
    margin-top: 0.2rem;
}

/* Quiz */
.quiz-container {
    margin: 1.5rem 0;
}

.quiz-question {
    background: #f9f3f6;
    border-radius: 12px;
    padding: 1.25rem;
    margin-bottom: 1rem;
}

.quiz-question-text {
    font-weight: 700;
    font-size: 0.95rem;
    margin-bottom: 0.75rem;
    color: #4a3040;
}

.quiz-option {
    display: block;
    width: 100%;
    text-align: left;
    padding: 0.75rem 1rem;
    margin-bottom: 0.5rem;
    background: white;
    border: 2px solid #f0e0e8;
    border-radius: 10px;
    font-size: 0.85rem;
    font-family: 'Nunito', sans-serif;
    cursor: pointer;
    transition: all 0.2s;
    -webkit-appearance: none;
}

.quiz-option:active {
    transform: scale(0.98);
}

.quiz-option.correct {
    background: #e8f5e9;
    border-color: #66bb6a;
    color: #2e7d32;
}

.quiz-option.wrong {
    background: #fce4ec;
    border-color: #ef9a9a;
    color: #c62828;
    animation: shake 0.3s ease-in-out;
}

.quiz-score {
    text-align: center;
    padding: 2rem 1rem;
    background: linear-gradient(135deg, #fff0f5, #ffeef8);
    border-radius: 16px;
    margin-top: 1.5rem;
}

.quiz-score-number {
    font-family: 'Caveat', cursive;
    font-size: 3rem;
    color: #ff6b9d;
    font-weight: 700;
}

.quiz-score-text {
    font-size: 1rem;
    color: #4a3040;
    margin-top: 0.5rem;
    font-weight: 600;
}

/* Bucket List */
.bucket-list {
    margin: 1.5rem 0;
}

.bucket-category {
    margin-bottom: 1.5rem;
}

.bucket-category-title {
    font-family: 'Caveat', cursive;
    font-size: 1.4rem;
    color: #ff6b9d;
    margin-bottom: 0.5rem;
}

.bucket-item {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    padding: 0.5rem 0;
    font-size: 0.9rem;
    color: #4a3040;
}

.bucket-item::before {
    content: '☐';
    color: #ffb6c1;
    font-size: 1.1rem;
    flex-shrink: 0;
}

/* Confetti canvas */
#confetti-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
}

/* ==========================================
   ANIMATIONS
   ========================================== */

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

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

@keyframes floatRandom {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(10px, -10px) rotate(5deg); }
    50% { transform: translate(-5px, -20px) rotate(-3deg); }
    75% { transform: translate(15px, -10px) rotate(3deg); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes slideIn {
    from { opacity: 0; transform: translateX(-20px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes slideUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

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

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    50% { transform: translateX(5px); }
    75% { transform: translateX(-5px); }
}

@keyframes shake-subtle {
    0%, 90%, 100% { transform: rotate(0deg); }
    92% { transform: rotate(-3deg); }
    94% { transform: rotate(3deg); }
    96% { transform: rotate(-3deg); }
    98% { transform: rotate(3deg); }
}

@keyframes waveBar {
    0%, 100% { transform: scaleY(1); }
    50% { transform: scaleY(0.4); }
}

@keyframes glowPulse {
    0%, 100% { box-shadow: 0 4px 20px rgba(255, 215, 0, 0.2); }
    50% { box-shadow: 0 4px 30px rgba(255, 215, 0, 0.5); }
}

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

/* Lock jitter animations for fake unlock */
.lock-jitter {
    animation: lockJitter 0.15s ease-in-out infinite !important;
}

.lock-jitter-hard {
    animation: lockJitterHard 0.08s ease-in-out infinite !important;
}

.lock-crack {
    animation: lockCrack 0.5s ease-out forwards !important;
}

@keyframes lockJitter {
    0%, 100% { transform: translateX(0) rotate(0); }
    25% { transform: translateX(-2px) rotate(-1deg); }
    75% { transform: translateX(2px) rotate(1deg); }
}

@keyframes lockJitterHard {
    0%, 100% { transform: translateX(0) rotate(0); }
    20% { transform: translateX(-4px) rotate(-3deg); }
    40% { transform: translateX(4px) rotate(3deg); }
    60% { transform: translateX(-3px) rotate(-2deg); }
    80% { transform: translateX(3px) rotate(2deg); }
}

@keyframes lockCrack {
    0% { transform: scale(1) rotate(0); }
    30% { transform: scale(1.2) rotate(-5deg); }
    60% { transform: scale(1.3) rotate(5deg); }
    100% { transform: scale(1) rotate(0); }
}

/* Gift button — fades in at the end of the flower messages */
.gift-btn {
    display: block;
    width: max-content;
    max-width: 80%;
    margin: 1rem auto 0;
    padding: 0.85rem 1.8rem;
    background: linear-gradient(135deg, #ff6b9d, #ff8a80);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 700;
    font-family: 'Nunito', sans-serif;
    box-shadow: 0 6px 20px rgba(255, 107, 157, 0.3);
    white-space: nowrap;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.6s ease, transform 0.6s ease;
    pointer-events: none;
}

.gift-btn.gift-btn-visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.gift-btn:active {
    opacity: 0.85;
}

/* Floating stickers on locked page */
.floating-sticker {
    position: absolute;
    width: 90px;
    height: 90px;
    z-index: 3;
    cursor: pointer;
    -webkit-user-select: none;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
    transition: transform 0.1s;
}

.floating-sticker:active {
    transform: scale(0.9);
}

.sticker-1 {
    top: 14%;
    left: 8%;
    animation: stickerRock1 4s ease-in-out infinite;
}

.sticker-2 {
    top: 60%;
    right: 6%;
    animation: stickerRock2 5s ease-in-out infinite;
}

.sticker-3 {
    bottom: 18%;
    left: 12%;
    animation: stickerRock3 3.5s ease-in-out infinite;
}

@keyframes stickerRock1 {
    0%, 100% { transform: rotate(-3deg); }
    50% { transform: rotate(3deg); }
}

@keyframes stickerRock2 {
    0%, 100% { transform: rotate(2deg) translateY(0); }
    50% { transform: rotate(-2deg) translateY(-5px); }
}

@keyframes stickerRock3 {
    0%, 100% { transform: rotate(2deg); }
    50% { transform: rotate(-4deg); }
}

/* Tap animations for stickers */
.sticker-anim-grow {
    animation: stickerGrow 0.6s ease-in-out !important;
}

.sticker-anim-backflip {
    animation: stickerBackflip 0.8s ease-in-out !important;
}

.sticker-anim-angry {
    animation: stickerAngry 0.5s ease-in-out !important;
}

@keyframes stickerGrow {
    0% { transform: scale(1); }
    40% { transform: scale(2.2) rotate(5deg); }
    70% { transform: scale(0.8) rotate(-3deg); }
    100% { transform: scale(1) rotate(0deg); }
}

@keyframes stickerBackflip {
    0% { transform: rotateY(0deg) translateY(0); }
    30% { transform: rotateY(180deg) translateY(-40px); }
    60% { transform: rotateY(360deg) translateY(-60px); }
    80% { transform: rotateY(360deg) translateY(10px); }
    100% { transform: rotateY(360deg) translateY(0); }
}

@keyframes stickerAngry {
    0%, 100% { transform: translateX(0) rotate(0); }
    10% { transform: translateX(-8px) rotate(-5deg); }
    20% { transform: translateX(8px) rotate(5deg); }
    30% { transform: translateX(-6px) rotate(-4deg); }
    40% { transform: translateX(6px) rotate(4deg); }
    50% { transform: translateX(-4px) rotate(-3deg); }
    60% { transform: translateX(4px) rotate(3deg); }
    70% { transform: translateX(-3px) rotate(-2deg); }
    80% { transform: translateX(3px) rotate(2deg); }
    90% { transform: translateX(-1px) rotate(-1deg); }
}

/* Stagger animation delays for envelope cards */
.envelope-card:nth-child(1) { animation-delay: 0.05s; }
.envelope-card:nth-child(2) { animation-delay: 0.1s; }
.envelope-card:nth-child(3) { animation-delay: 0.15s; }
.envelope-card:nth-child(4) { animation-delay: 0.2s; }
.envelope-card:nth-child(5) { animation-delay: 0.25s; }
.envelope-card:nth-child(6) { animation-delay: 0.3s; }
.envelope-card:nth-child(7) { animation-delay: 0.35s; }
.envelope-card:nth-child(8) { animation-delay: 0.4s; }
.envelope-card:nth-child(9) { animation-delay: 0.45s; }
.envelope-card:nth-child(10) { animation-delay: 0.5s; }

/* ==========================================
   MULTIPLE CHOICE BUTTONS
   ========================================== */
.choices-grid {
    display: flex !important;
    flex-direction: column !important;
    gap: 0.7rem;
    margin: 1.2rem 0;
    width: 100%;
    text-align: left;
}
.choice-btn {
    display: block;
    width: 100%;
    padding: 0.95rem 1.2rem;
    border: 2px solid #ffd3e2;
    border-radius: 14px;
    background: linear-gradient(135deg, #fff 0%, #fff8fa 100%);
    color: #4a3040;
    font-size: 1rem;
    font-weight: 600;
    font-family: 'Nunito', sans-serif;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: left;
    box-shadow: 0 2px 8px rgba(255,107,157,0.08);
    -webkit-appearance: none;
    appearance: none;
    -webkit-tap-highlight-color: transparent;
    outline: none;
}
@media (hover: hover) {
    .choice-btn:hover {
        border-color: #ff9ec4;
        background: linear-gradient(135deg, #fff5f9 0%, #ffecf3 100%);
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(255,107,157,0.15);
    }
}
.choice-btn:active {
    transform: scale(0.97);
}
.choice-btn.choice-wrong {
    border-color: #ff4444 !important;
    background: #fff0f0 !important;
    animation: shake 0.4s ease-in-out;
}
.choice-btn.choice-correct {
    border-color: #4caf50 !important;
    background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%) !important;
    animation: celebrateChoice 0.6s ease;
    pointer-events: none;
}
.choice-input {
    width: 100%;
    padding: 0.9rem 1.2rem;
    border: 2px solid #ffd3e2;
    border-radius: 12px;
    font-size: 1rem;
    font-family: 'Nunito', sans-serif;
    outline: none;
    margin-bottom: 0.7rem;
    box-sizing: border-box;
}
.choice-input:focus {
    border-color: #ff9ec4;
}

/* Global music button — always visible */
.music-btn-global {
    position: fixed;
    bottom: 1.2rem;
    right: 1.2rem;
    z-index: 999999;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: none;
    background: rgba(255,255,255,0.9);
    box-shadow: 0 2px 12px rgba(0,0,0,0.1);
    font-size: 1.3rem;
    cursor: pointer;
    backdrop-filter: blur(8px);
    -webkit-transform: translate3d(0,0,0);
    transform: translate3d(0,0,0);
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

@keyframes celebrateChoice {
    0% { transform: scale(1); }
    20% { transform: scale(1.05); }
    40% { transform: scale(0.97); }
    60% { transform: scale(1.03); }
    80% { transform: scale(0.99); }
    100% { transform: scale(1); }
}

/* Prevent anything inside modal from overflowing */
#modal-body {
    overflow: hidden;
    word-wrap: break-word;
}
#modal-body img {
    max-width: 100%;
    height: auto;
}

/* Full-screen image viewer */
.img-viewer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 99999;
    background: rgba(0,0,0,0.92);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    box-sizing: border-box;
    cursor: pointer;
    animation: fadeIn 0.2s ease;
}
.img-viewer img {
    max-width: 100%;
    max-height: 100%;
    border-radius: 8px;
    object-fit: contain;
}
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Blurred locked photo */
.locked-photo {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    line-height: 0;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.locked-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
    display: block;
    filter: blur(20px);
    transform: scale(1.1);
    transition: filter 0.5s ease, transform 0.5s ease;
}
.locked-photo.unlocked img {
    filter: none;
    transform: scale(1);
}
.locked-photo-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.3);
    transition: opacity 0.4s ease;
}
.locked-photo.unlocked .locked-photo-overlay {
    opacity: 0;
    pointer-events: none;
}
.locked-photo-overlay .lock-emoji {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}
.locked-photo-overlay p {
    font-size: 0.85rem;
    color: #4a3040;
    font-weight: 700;
    background: rgba(255,255,255,0.8);
    padding: 0.4rem 0.8rem;
    border-radius: 8px;
}

/* Photo question inside envelope */
.photo-question {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 99999;
    background: rgba(74, 48, 64, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    box-sizing: border-box;
    backdrop-filter: blur(4px);
}
.photo-question.hidden {
    display: none !important;
}
.photo-question > * {
    background: white;
    border-radius: 20px;
    padding: 1.5rem;
    width: 100%;
    max-width: 340px;
    text-align: center;
}
.photo-question p {
    margin-bottom: 0.8rem;
    font-weight: 700;
}
.photo-question-inner {
    background: white;
    border-radius: 20px;
    padding: 1.5rem;
    width: 100%;
    max-width: 340px;
    text-align: center;
}

/* Tappable bucket list items */
.bucket-item {
    cursor: pointer;
    transition: opacity 0.2s ease;
    padding: 0.4rem 0;
    padding-left: 1.5rem;
    position: relative;
    min-height: 1.4em;
    line-height: 1.4;
}
.bucket-item::before {
    content: '☐';
    position: absolute;
    left: 0;
    font-size: 1em;
    width: 1.2em;
    text-align: center;
}
.bucket-item.checked {
    text-decoration: line-through;
    opacity: 0.5;
}
.bucket-item.checked::before {
    content: '✓';
    color: #4caf50;
    font-weight: 700;
}

/* Let taps pass through captions to hit the image */
.photo-caption {
    pointer-events: none;
}
.photo-item {
    cursor: pointer;
}

/* Personal message slots between photos */
.photo-message {
    padding: 0.5rem 0.2rem;
    font-size: 0.9rem;
    color: #4a3040;
    font-style: italic;
    text-align: center;
    min-height: 0;
}
.photo-message:empty {
    display: none;
}

/* Video gallery */
.video-gallery {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.video-item {
    width: 100%;
}
.video-item video {
    width: 100%;
    border-radius: 12px;
    display: block;
}
.video-item .photo-caption {
    margin-top: 0.4rem;
}

/* Timeline */
.timeline {
    position: relative;
    padding-left: 1.5rem;
    border-left: 3px solid #ffd3e2;
}
.timeline-item {
    position: relative;
    margin-bottom: 1.2rem;
    padding-left: 1rem;
}
.timeline-item::before {
    content: '';
    position: absolute;
    left: -1.65rem;
    top: 0.45rem;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #ff6b9d;
}
.timeline-date {
    font-weight: 800;
    font-size: 0.8rem;
    color: #ff6b9d;
    margin-bottom: 0.15rem;
}
.timeline-text {
    font-size: 0.9rem;
    color: #4a3040;
    line-height: 1.4;
}

/* Sticker grid */
.sticker-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.8rem;
}
.sticker-item {
    text-align: center;
}
.sticker-item img {
    width: 100%;
    border-radius: 8px;
    display: block;
}

/* Crossword */
.crossword-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 3px;
    width: 100%;
    margin: 0 0 1rem;
}
.cw-cell {
    position: relative;
    aspect-ratio: 1;
    border-radius: 4px;
    min-width: 0;
}
.cw-blank {
    background: transparent;
    border: none;
}
.cw-active {
    background: #fff;
    border: 2px solid #ffd3e2;
}
.cw-num {
    position: absolute;
    top: 1px;
    left: 2px;
    font-size: 0.55rem;
    font-weight: 700;
    color: #8b6b7a;
    line-height: 1;
}
.cw-input {
    width: 100%;
    height: 100%;
    border: none;
    background: transparent;
    text-align: center;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    font-family: 'Nunito', sans-serif;
    outline: none;
    padding: 0;
}
.cw-clues {
    display: flex;
    gap: 1.5rem;
    font-size: 0.8rem;
    color: #4a3040;
    margin-top: 1rem;
}
.cw-clue-section {
    flex: 1;
}
.cw-clue {
    margin: 0.3rem 0;
    line-height: 1.3;
}