/* ============================================
   FINAL.CSS - World-Class Preview Design
   Designed for: Awwwards & Red Dot aesthetics
   ============================================ */

/* Container: Immersive, fixed, centered */
.final-preview-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    display: none;
    /* Hidden by default */
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: #fff;
    padding: 2rem;
    pointer-events: none;
    perspective: 1000px;
    /* For 3D effects */
    /* Subtle darken overlay behind the card */
    background: radial-gradient(circle at center, rgba(0, 0, 0, 0.1) 0%, rgba(0, 0, 0, 0.4) 100%);
}

.final-preview-container.active {
    display: flex;
    pointer-events: auto;
}

/* 
   Glassmorphism Card 
   - Ultra-premium frosted glass 
   - Multi-layered shadows and borders
*/
.final-card {
    position: relative;
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(40px);
    -webkit-backdrop-filter: blur(40px);

    /* Complex border for depth: Top light, bottom dark */
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.02);

    box-shadow:
        0 40px 80px -20px rgba(0, 0, 0, 0.6),
        inset 0 0 0 1px rgba(255, 255, 255, 0.05),
        inset 0 20px 40px -20px rgba(255, 255, 255, 0.1);

    padding: 5rem 4rem;
    border-radius: 40px;
    max-width: 640px;
    width: 100%;

    /* Animation Initial State */
    opacity: 0;
    transform: translateY(60px) scale(0.9) rotateX(5deg);
    transition: all 1.4s cubic-bezier(0.19, 1, 0.22, 1);

    overflow: hidden;
    transform-style: preserve-3d;
}

.final-preview-container.active .final-card {
    opacity: 1;
    transform: translateY(0) scale(1) rotateX(0);
}

/* Decorative Glow/Orbs inside card */
.final-card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 50% 50%,
            rgba(255, 255, 255, 0.03) 0%,
            transparent 50%);
    opacity: 0.5;
    pointer-events: none;
    animation: rotateGlow 20s linear infinite;
    z-index: -1;
}

@keyframes rotateGlow {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

/* ============================================
   Typography & Content
   ============================================ */

/* 1. Time Greeting */
.time-greeting {
    font-family: 'Playfair Display', serif;
    font-style: italic;
    font-weight: 400;
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.6);
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;

    opacity: 0;
    transform: translateY(30px);
    animation: contentFadeUp 1s cubic-bezier(0.22, 1, 0.36, 1) forwards 0.3s;
}

/* 2. Recipient Name - The Hero */
.recipient-name {
    font-family: 'Inter', sans-serif;
    font-weight: 800;
    font-size: clamp(3rem, 6vw, 5rem);
    letter-spacing: -0.04em;
    line-height: 1.05;
    margin-bottom: 3rem;

    /* Premium Gradient Text */
    background: linear-gradient(135deg,
            #ffffff 0%,
            #e0e0e0 20%,
            #ffffff 40%,
            #b4b4b4 80%,
            #ffffff 100%);
    background-size: 200% auto;
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;

    filter: drop-shadow(0 0 30px rgba(255, 255, 255, 0.1));

    opacity: 0;
    transform: translateY(40px);
    animation:
        contentFadeUp 1.2s cubic-bezier(0.22, 1, 0.36, 1) forwards 0.5s,
        shineText 8s linear infinite;
}

@keyframes shineText {
    0% {
        background-position: 0% 50%;
    }

    100% {
        background-position: 200% 50%;
    }
}

/* Icons Row */
.gift-icons-row {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 2.5rem;

    opacity: 0;
    animation: contentFadeUp 1s cubic-bezier(0.22, 1, 0.36, 1) forwards 0.7s;
}

.gift-icon {
    width: 64px;
    height: 64px;
    border-radius: 20px;
    /* Squirrel shape */
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);

    box-shadow: 0 10px 20px -5px rgba(0, 0, 0, 0.2);
}

.gift-icon svg {
    width: 28px;
    height: 28px;
    transition: transform 0.4s ease;
}

/* Hover effect on icons */
.gift-icon:hover {
    transform: translateY(-8px) scale(1.05);
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.4);
    box-shadow: 0 15px 30px -5px rgba(255, 255, 255, 0.15);
    color: #fff;
}

.gift-icon:hover svg {
    transform: scale(1.1) rotate(5deg);
}

/* Divider */
.elegant-divider {
    height: 1px;
    width: 40px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.5), transparent);
    margin: 0 auto 2.5rem;
    opacity: 0;
    transform: scaleX(0);
    animation: dividerExpand 1s cubic-bezier(0.22, 1, 0.36, 1) forwards 0.9s;
}

/* Message Text */
.gift-message {
    font-family: 'Inter', sans-serif;
    font-size: 1.15rem;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
    margin-bottom: 3.5rem;
    opacity: 0;
    transform: translateY(20px);
    animation: contentFadeUp 1s cubic-bezier(0.22, 1, 0.36, 1) forwards 1.0s;
}

.highlight-text {
    color: #fff;
    font-weight: 600;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

.gift-count-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 28px;
    height: 28px;
    background: #fff;
    color: #000;
    border-radius: 50%;
    font-weight: 700;
    font-size: 0.9rem;
    margin: 0 6px;
    box-shadow: 0 2px 10px rgba(255, 255, 255, 0.2);
}

/* 
   The Action Button 
   - Liquid style or simple solid elegance
*/
.open-gift-btn {
    position: relative;
    background: #fff;
    color: #000;
    border: none;
    padding: 18px 56px;
    border-radius: 99px;
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    font-size: 1.05rem;
    letter-spacing: -0.01em;
    cursor: pointer;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.22, 1, 0.36, 1);

    opacity: 0;
    transform: translateY(30px);
    animation: contentFadeUp 1s cubic-bezier(0.22, 1, 0.36, 1) forwards 1.2s;

    box-shadow:
        0 8px 20px -5px rgba(0, 0, 0, 0.2),
        0 0 0 0px rgba(255, 255, 255, 0.5);
    /* For pulse */
}

/* Button hover reveal effect */
.open-gift-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #e0e0e0, #ffffff);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1;
}

.open-gift-btn span {
    position: relative;
    z-index: 2;
    /* Text above gradient */
}

.open-gift-btn:hover {
    transform: translateY(-4px) scale(1.03);
    box-shadow:
        0 20px 40px -10px rgba(0, 0, 0, 0.3),
        0 0 30px rgba(255, 255, 255, 0.2);
}

.open-gift-btn:active {
    transform: translateY(1px) scale(0.98);
}

/* Animations */
@keyframes contentFadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes dividerExpand {
    to {
        opacity: 0.8;
        transform: scaleX(1);
    }
}

/* Light Theme Adaptations (If necessary) 
   - Uses dark text on light glass
*/
body.light-theme .final-card {
    background: rgba(255, 255, 255, 0.65);
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-bottom: 1px solid rgba(200, 200, 200, 0.2);
    box-shadow:
        0 40px 80px -20px rgba(0, 0, 0, 0.15),
        inset 0 0 0 1px rgba(255, 255, 255, 0.4);
}

body.light-theme .recipient-name {
    background: linear-gradient(135deg, #000 0%, #444 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: none;
}

body.light-theme .time-greeting {
    color: rgba(0, 0, 0, 0.5);
}

body.light-theme .gift-message {
    color: rgba(0, 0, 0, 0.7);
}

body.light-theme .gift-icon {
    background: rgba(255, 255, 255, 0.5);
    border-color: rgba(0, 0, 0, 0.05);
    color: rgba(0, 0, 0, 0.7);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

body.light-theme .gift-icon:hover {
    background: #fff;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    color: #000;
}

body.light-theme .elegant-divider {
    background: linear-gradient(90deg, transparent, rgba(0, 0, 0, 0.2), transparent);
}

body.light-theme .open-gift-btn {
    background: #000;
    color: #fff;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

body.light-theme .open-gift-btn:hover {
    background: #222;
}

body.light-theme .highlight-text {
    color: #000;
    text-shadow: none;
}

body.light-theme .gift-count-badge {
    background: #000;
    color: #fff;
}

/* ============================================
   Swipe Hint Animation (Added)
   ============================================ */
.swipe-hint-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    margin-top: 3rem;
    opacity: 0;
    transform: translateY(20px);
    animation: contentFadeUp 1s cubic-bezier(0.22, 1, 0.36, 1) forwards 1.2s;
    cursor: grab;
    pointer-events: none;
}

.swipe-arrow {
    width: 32px;
    height: 32px;
    color: rgba(255, 255, 255, 0.9);
    animation: bounceUp 2s infinite;
}

.swipe-text {
    font-family: 'Inter', sans-serif;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    font-weight: 500;
}

@keyframes bounceUp {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateY(0);
        opacity: 0.6;
    }

    40% {
        transform: translateY(-8px);
        opacity: 1;
    }

    60% {
        transform: translateY(-4px);
        opacity: 1;
    }
}

/* Light theme adaptations for swipe hint */
body.light-theme .swipe-arrow {
    color: rgba(0, 0, 0, 0.8);
}

body.light-theme .swipe-text {
    color: rgba(0, 0, 0, 0.5);
}

/* ============================================
   Final Action Buttons - Submit Gift (固定右下角)
   ============================================ */
.final-action-buttons {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 100000;
    /* 确保始终在最顶层，高于 popup 的 z-index */
    display: none;
    /* 初始隐藏，由JS控制显示 */
    opacity: 0;
    transform: translateY(20px) scale(0.9);
    transition: all 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.final-action-buttons.show {
    display: flex;
    opacity: 1;
    transform: translateY(0) scale(1);
}

.final-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 36px;
    border-radius: 99px;
    border: none;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 1rem;
    letter-spacing: -0.01em;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
    position: relative;
    overflow: hidden;
}

.final-btn.submit-btn {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    color: #fff;
    box-shadow:
        0 8px 24px -6px rgba(79, 172, 254, 0.5),
        0 0 0 0 rgba(79, 172, 254, 0.4);
}

.final-btn.submit-btn:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow:
        0 16px 32px -8px rgba(79, 172, 254, 0.6),
        0 0 40px rgba(79, 172, 254, 0.3);
}

.final-btn.submit-btn:active {
    transform: translateY(1px) scale(0.98);
}

/* Loading state */
.final-btn.loading {
    pointer-events: none;
    background: linear-gradient(135deg, #888 0%, #aaa 100%);
}

.final-btn.loading span {
    opacity: 0;
}

.final-btn.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top-color: #fff;
    border-radius: 50%;
    animation: btnSpin 0.8s linear infinite;
}

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

/* Success state */
.final-btn.success {
    background: linear-gradient(135deg, #00c853 0%, #64dd17 100%);
    box-shadow: 0 8px 24px -6px rgba(0, 200, 83, 0.5);
}

.final-btn.success svg {
    animation: checkPop 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes checkPop {
    0% {
        transform: scale(0);
    }

    50% {
        transform: scale(1.3);
    }

    100% {
        transform: scale(1);
    }
}

/* Light theme adaptations */
body.light-theme .final-btn.submit-btn {
    background: linear-gradient(135deg, #000 0%, #333 100%);
    color: #fff;
    box-shadow: 0 8px 24px -6px rgba(0, 0, 0, 0.3);
}

body.light-theme .final-btn.submit-btn:hover {
    box-shadow: 0 16px 32px -8px rgba(0, 0, 0, 0.4);
}

/* ============================================
   Share Modal Styles
   ============================================ */
.share-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    z-index: 100001;
    /* 确保始终在最顶层，高于提交按钮 */
    display: none;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.share-modal-overlay.active {
    display: flex;
    opacity: 1;
}

.share-modal {
    background: rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(40px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 32px;
    padding: 3rem;
    max-width: 420px;
    width: 90%;
    text-align: center;
    transform: scale(0.9) translateY(20px);
    transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.share-modal-overlay.active .share-modal {
    transform: scale(1) translateY(0);
}

.share-modal h3 {
    font-family: 'Inter', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 1rem;
}

.share-modal p {
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.share-url-box {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 16px;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 12px;
}

.share-url-box input {
    flex: 1;
    background: transparent;
    border: none;
    color: #fff;
    font-family: monospace;
    font-size: 0.9rem;
    outline: none;
}

.share-url-box button {
    background: #fff;
    color: #000;
    border: none;
    padding: 10px 20px;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.share-url-box button:hover {
    background: #e0e0e0;
}

.share-modal-close {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
    padding: 14px 36px;
    border-radius: 99px;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.share-modal-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Light theme adaptations for Share Modal */
body.light-theme .share-modal {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(0, 0, 0, 0.1);
}

body.light-theme .share-modal h3 {
    color: #000;
}

body.light-theme .share-modal p {
    color: rgba(0, 0, 0, 0.7);
}

body.light-theme .share-url-box {
    background: rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0, 0, 0, 0.15);
}

body.light-theme .share-url-box input {
    color: #000;
}

body.light-theme .share-url-box button {
    background: #000;
    color: #fff;
}

body.light-theme .share-url-box button:hover {
    background: #333;
}

body.light-theme .share-modal-close {
    background: rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(0, 0, 0, 0.2);
    color: #000;
}

body.light-theme .share-modal-close:hover {
    background: rgba(0, 0, 0, 0.2);
}