/* ============================================
   妈妈的花园 · Mother's Day Garden
   高雅宋体 + 莫兰迪色系 + 手作温柔
   ============================================ */

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

:root {
    /* 莫兰迪色系 - 低饱和、灰调、高级感 */
    --bg-base: #EFEAE2;          /* 米灰底 */
    --bg-soft: #E8E1D5;          /* 暖米灰 */
    --bg-deep: #D9D0C1;          /* 深米灰 */

    --sage: #A8B5A0;             /* 莫兰迪绿（鼠尾草）*/
    --sage-deep: #7E8E76;        /* 深苔藓绿 */
    --sage-light: #C9D2C0;       /* 浅雾绿 */

    --rose: #C9A8A0;             /* 莫兰迪豆沙粉 */
    --rose-deep: #A8847C;        /* 烟熏玫瑰 */
    --rose-light: #DCC4BD;       /* 雾粉 */

    --clay: #B59E86;             /* 陶土棕 */
    --clay-deep: #8C7560;        /* 深陶土 */

    --mist-blue: #A9B3B8;        /* 雾灰蓝 */
    --dust-yellow: #D4C39A;      /* 灰调暖黄 */

    --text: #4A413A;             /* 深棕灰文字 */
    --text-soft: #847B70;        /* 灰褐 */
    --text-mute: #A89D8E;        /* 浅灰褐 */

    --line: rgba(140, 117, 96, 0.2);
    --shadow: 0 12px 40px rgba(95, 80, 65, 0.10);
    --shadow-soft: 0 4px 16px rgba(95, 80, 65, 0.06);

    /* 字体 - 高雅宋体系 */
    --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', 'STSong', 'SimSun', '宋体', serif;
    --font-serif-display: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', 'STSong', serif;
    --font-script: 'Ma Shan Zheng', 'Long Cang', 'Noto Serif SC', cursive;
}

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

body {
    font-family: var(--font-serif);
    color: var(--text);
    background: var(--bg-base);
    line-height: 1.85;
    font-size: 16px;
    font-weight: 400;
    letter-spacing: 0.5px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    -webkit-tap-highlight-color: transparent;
    overscroll-behavior: none;
    text-rendering: optimizeLegibility;
}

/* ----- Screen 通用 ----- */
.screen {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 1s ease, visibility 1s ease;
    background: var(--bg-base);
}

.screen--active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.screen::-webkit-scrollbar { width: 0; display: none; }

/* ============================================
   音乐播放器（全局浮动）
   ============================================ */
.music-toggle {
    position: fixed;
    top: 18px;
    right: 18px;
    z-index: 500;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 1px solid var(--line);
    background: rgba(255, 252, 245, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-soft);
    transition: all 0.4s ease;
    color: var(--text-soft);
    opacity: 0;
    visibility: hidden;
}

.music-toggle.visible {
    opacity: 1;
    visibility: visible;
}

.music-toggle:hover {
    color: var(--sage-deep);
    border-color: var(--sage);
}

.music-toggle.playing {
    color: var(--rose-deep);
    border-color: var(--rose);
    background: rgba(220, 196, 189, 0.3);
}

.music-toggle.playing::before {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: 50%;
    border: 1px solid var(--rose);
    opacity: 0.4;
    animation: music-ripple 2.4s ease-out infinite;
}

@keyframes music-ripple {
    0%   { transform: scale(0.95); opacity: 0.5; }
    100% { transform: scale(1.4); opacity: 0; }
}

.music-toggle svg {
    width: 18px;
    height: 18px;
}

/* ============================================
   Page 0: 加载页
   ============================================ */
#loading-screen {
    background: linear-gradient(180deg, var(--bg-base) 0%, var(--sage-light) 130%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.loading-content {
    text-align: center;
}

.seed-wrap {
    width: 120px;
    height: 120px;
    margin: 0 auto 32px;
    position: relative;
}

.seed {
    position: absolute;
    inset: 0;
}

.seed-core {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 22px;
    height: 22px;
    margin-left: -11px;
    margin-top: -11px;
    background: radial-gradient(circle, var(--dust-yellow), var(--clay));
    border-radius: 50%;
    box-shadow: 0 0 30px rgba(212, 195, 154, 0.6);
}

.petal {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 32px;
    height: 46px;
    margin-left: -16px;
    margin-top: -23px;
    background: linear-gradient(180deg, var(--rose-light) 0%, var(--rose) 100%);
    border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
    transform-origin: 50% 100%;
    opacity: 0;
}

.petal--1 { --r: 0deg;   animation: petal-grow 2.4s 0.1s ease-out forwards; }
.petal--2 { --r: 72deg;  animation: petal-grow 2.4s 0.2s ease-out forwards; }
.petal--3 { --r: 144deg; animation: petal-grow 2.4s 0.3s ease-out forwards; }
.petal--4 { --r: 216deg; animation: petal-grow 2.4s 0.4s ease-out forwards; }
.petal--5 { --r: 288deg; animation: petal-grow 2.4s 0.5s ease-out forwards; }

@keyframes petal-grow {
    0%   { opacity: 0; transform: rotate(var(--r)) translateY(0) scale(0.2); }
    100% { opacity: 0.85; transform: rotate(var(--r)) translateY(-28px) scale(1); }
}

.loading-text {
    color: var(--text-soft);
    font-family: var(--font-serif);
    font-size: 15px;
    letter-spacing: 6px;
    font-weight: 300;
    animation: gentle-fade 2.4s ease-in-out infinite;
}

@keyframes gentle-fade {
    0%, 100% { opacity: 0.4; }
    50%      { opacity: 0.95; }
}

/* ============================================
   Page 1: 开场页
   ============================================ */
#welcome-screen {
    background:
        radial-gradient(ellipse at 18% 12%, rgba(220, 196, 189, 0.4) 0%, transparent 50%),
        radial-gradient(ellipse at 85% 88%, rgba(201, 210, 192, 0.45) 0%, transparent 50%),
        linear-gradient(180deg, var(--bg-base) 0%, var(--bg-soft) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.floating-petals {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.fp {
    position: absolute;
    font-size: 22px;
    opacity: 0.32;
    filter: grayscale(0.3) saturate(0.7);
    animation: float-petal 14s ease-in-out infinite;
}

.fp-1 { left: 8%;  top: 12%; animation-delay: 0s;   font-size: 26px; }
.fp-2 { left: 85%; top: 18%; animation-delay: 1.5s; font-size: 20px; }
.fp-3 { left: 15%; top: 75%; animation-delay: 3s;   font-size: 24px; }
.fp-4 { left: 78%; top: 70%; animation-delay: 4.5s; font-size: 22px; }
.fp-5 { left: 50%; top: 8%;  animation-delay: 2s;   font-size: 18px; }
.fp-6 { left: 5%;  top: 45%; animation-delay: 6s;   font-size: 20px; }
.fp-7 { left: 90%; top: 50%; animation-delay: 7s;   font-size: 24px; }
.fp-8 { left: 45%; top: 88%; animation-delay: 5s;   font-size: 20px; }

@keyframes float-petal {
    0%, 100% { transform: translateY(0) translateX(0) rotate(0deg); }
    25%      { transform: translateY(-22px) translateX(10px) rotate(8deg); }
    50%      { transform: translateY(-10px) translateX(-12px) rotate(-6deg); }
    75%      { transform: translateY(-26px) translateX(8px) rotate(5deg); }
}

.welcome-content {
    width: 100%;
    max-width: 460px;
    z-index: 2;
}

.welcome-frame {
    background: rgba(255, 252, 245, 0.45);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid rgba(140, 117, 96, 0.18);
    border-radius: 4px;
    padding: 56px 32px 44px;
    text-align: center;
    box-shadow: var(--shadow);
    animation: card-rise 1.4s ease-out;
    position: relative;
}

/* 装饰边角 - 中式 */
.welcome-frame::before,
.welcome-frame::after {
    content: '';
    position: absolute;
    width: 28px;
    height: 28px;
    border: 1px solid var(--clay);
    opacity: 0.6;
}
.welcome-frame::before {
    top: 12px; left: 12px;
    border-right: none; border-bottom: none;
}
.welcome-frame::after {
    bottom: 12px; right: 12px;
    border-left: none; border-top: none;
}

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

.welcome-eyebrow {
    color: var(--rose-deep);
    font-family: var(--font-serif);
    font-size: 12px;
    letter-spacing: 8px;
    margin-bottom: 26px;
    font-weight: 400;
    text-indent: 8px;
}

.welcome-eyebrow::before,
.welcome-eyebrow::after {
    content: '·';
    margin: 0 10px;
    color: var(--clay);
}

.welcome-title {
    font-family: var(--font-serif-display);
    font-size: 30px;
    line-height: 1.7;
    color: var(--text);
    font-weight: 500;
    margin-bottom: 26px;
    letter-spacing: 4px;
}

.welcome-title span {
    display: block;
}

.welcome-title .highlight {
    color: var(--sage-deep);
    font-size: 36px;
    margin-top: 6px;
    font-weight: 600;
    position: relative;
    display: inline-block;
    letter-spacing: 6px;
}

.welcome-title .highlight::after {
    content: '';
    position: absolute;
    left: 6%; right: 6%; bottom: 2px;
    height: 6px;
    background: var(--rose-light);
    opacity: 0.6;
    z-index: -1;
}

.welcome-sub {
    color: var(--text-soft);
    font-size: 14px;
    margin-bottom: 40px;
    letter-spacing: 3px;
    font-weight: 300;
    line-height: 1.9;
}

.primary-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg, var(--rose) 0%, var(--rose-deep) 100%);
    color: #FFFCF5;
    border: none;
    padding: 14px 44px;
    border-radius: 2px;
    font-size: 15px;
    font-family: var(--font-serif);
    font-weight: 500;
    letter-spacing: 6px;
    text-indent: 6px;
    cursor: pointer;
    box-shadow: 0 6px 20px rgba(168, 132, 124, 0.3);
    transition: all 0.4s ease;
    position: relative;
}

.primary-btn::before {
    content: '';
    position: absolute;
    inset: -4px;
    border: 1px solid var(--rose);
    border-radius: 2px;
    opacity: 0.5;
}

.primary-btn:hover,
.primary-btn:active {
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(168, 132, 124, 0.4);
}

.welcome-hint {
    margin-top: 22px;
    color: var(--text-mute);
    font-size: 12px;
    opacity: 0.8;
    letter-spacing: 4px;
    font-weight: 300;
}

/* ============================================
   Page 2: 花园主页
   ============================================ */
#garden-screen {
    background:
        radial-gradient(ellipse at 50% 0%, rgba(212, 195, 154, 0.25) 0%, transparent 60%),
        linear-gradient(180deg, var(--bg-soft) 0%, var(--sage-light) 100%);
}

.garden-header {
    position: sticky;
    top: 0;
    z-index: 10;
    padding: 22px 20px 14px;
    background: linear-gradient(180deg, rgba(232, 225, 213, 0.95) 70%, transparent 100%);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.garden-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 480px;
    margin: 0 auto;
}

.garden-title {
    font-family: var(--font-serif-display);
    font-size: 22px;
    color: var(--text);
    font-weight: 500;
    letter-spacing: 6px;
    text-indent: 6px;
    position: relative;
}

.garden-title::after {
    content: '';
    display: block;
    width: 40px;
    height: 1px;
    background: var(--clay);
    margin-top: 6px;
    opacity: 0.5;
}

.progress-pill {
    background: rgba(255, 252, 245, 0.7);
    border: 1px solid var(--line);
    padding: 6px 14px;
    border-radius: 2px;
    font-size: 12px;
    color: var(--text-soft);
    font-family: var(--font-serif);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    letter-spacing: 1.5px;
}

.progress-pill strong {
    color: var(--rose-deep);
    font-weight: 600;
    font-size: 15px;
    font-family: var(--font-serif-display);
}

.garden-tip {
    text-align: center;
    color: var(--text-mute);
    font-size: 13px;
    margin-top: 12px;
    letter-spacing: 4px;
    font-weight: 300;
}

.garden-tip::before,
.garden-tip::after {
    content: '——';
    margin: 0 10px;
    color: var(--clay);
    opacity: 0.4;
    letter-spacing: 0;
}

.garden-stage {
    position: relative;
    max-width: 480px;
    margin: 0 auto;
    padding: 12px 16px 30px;
    min-height: calc(100vh - 240px);
}

.area-label {
    text-align: center;
    color: var(--clay-deep);
    font-family: var(--font-serif-display);
    font-size: 14px;
    letter-spacing: 8px;
    text-indent: 8px;
    font-weight: 500;
    opacity: 0.7;
    margin: 22px 0 8px;
}

.area-label::before,
.area-label::after {
    content: '';
    display: inline-block;
    width: 20px;
    height: 1px;
    background: var(--clay);
    vertical-align: middle;
    margin: 0 14px;
    opacity: 0.4;
}

.flowers-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px 6px;
    margin-bottom: 10px;
}

.flower {
    position: relative;
    aspect-ratio: 1 / 1.15;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border: none;
    background: transparent;
    padding: 8px 4px;
    border-radius: 4px;
    transition: transform 0.4s ease;
    -webkit-tap-highlight-color: transparent;
}

.flower:active {
    transform: scale(0.94);
}

.flower-emoji {
    font-size: 42px;
    line-height: 1;
    filter: grayscale(0.25) saturate(0.75) drop-shadow(0 4px 6px rgba(95, 80, 65, 0.18));
    animation: flower-sway 4s ease-in-out infinite;
    transition: all 0.5s ease;
}

.flower:nth-child(2n) .flower-emoji { animation-delay: -1s; }
.flower:nth-child(3n) .flower-emoji { animation-delay: -2s; }
.flower:nth-child(4n) .flower-emoji { animation-delay: -1.5s; }

@keyframes flower-sway {
    0%, 100% { transform: rotate(-3deg) translateY(0); }
    50%      { transform: rotate(3deg) translateY(-3px); }
}

.flower-label {
    margin-top: 8px;
    font-size: 12px;
    color: var(--text-soft);
    font-family: var(--font-serif-display);
    font-weight: 500;
    letter-spacing: 3px;
    text-indent: 3px;
    background: rgba(255, 252, 245, 0.55);
    padding: 2px 10px;
    border-radius: 2px;
    border: 1px solid var(--line);
    transition: all 0.4s ease;
}

.flower.bloomed .flower-emoji {
    filter: saturate(1) drop-shadow(0 0 14px rgba(212, 195, 154, 0.7)) drop-shadow(0 4px 8px rgba(95, 80, 65, 0.2));
    transform: scale(1.06);
    animation: flower-glow 3s ease-in-out infinite;
}

@keyframes flower-glow {
    0%, 100% { filter: saturate(1) drop-shadow(0 0 10px rgba(212, 195, 154, 0.55)) drop-shadow(0 4px 8px rgba(95, 80, 65, 0.2)); }
    50%      { filter: saturate(1.1) drop-shadow(0 0 18px rgba(212, 195, 154, 0.85)) drop-shadow(0 4px 10px rgba(95, 80, 65, 0.25)); }
}

.flower.bloomed .flower-label {
    background: var(--dust-yellow);
    color: var(--text);
    border-color: var(--clay);
    font-weight: 600;
}

/* 装饰元素 */
.garden-deco {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.grass {
    position: absolute;
    font-size: 20px;
    opacity: 0.4;
    filter: grayscale(0.3) saturate(0.6);
}

.grass--1 { left: 4%; top: 22%; }
.grass--2 { right: 6%; top: 38%; }
.grass--3 { left: 6%; bottom: 25%; font-size: 16px; }
.grass--4 { right: 4%; bottom: 12%; }

.butterfly {
    position: absolute;
    font-size: 22px;
    left: 70%;
    top: 15%;
    opacity: 0.55;
    filter: grayscale(0.4) saturate(0.6);
    animation: butterfly-fly 9s ease-in-out infinite;
}

.bee {
    position: absolute;
    font-size: 16px;
    left: 12%;
    top: 60%;
    opacity: 0.55;
    filter: grayscale(0.3) saturate(0.6);
    animation: butterfly-fly 8s ease-in-out infinite reverse;
}

@keyframes butterfly-fly {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25%      { transform: translate(-30px, -20px) rotate(-12deg); }
    50%      { transform: translate(20px, -40px) rotate(8deg); }
    75%      { transform: translate(-10px, -15px) rotate(-4deg); }
}

.garden-footer {
    text-align: center;
    padding: 20px 20px 36px;
    background: linear-gradient(180deg, transparent 0%, rgba(201, 210, 192, 0.5) 100%);
}

.letter-btn {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    background: linear-gradient(135deg, var(--sage) 0%, var(--sage-deep) 100%);
    color: #FFFCF5;
    border: none;
    padding: 14px 32px;
    border-radius: 2px;
    font-size: 15px;
    font-family: var(--font-serif);
    font-weight: 500;
    letter-spacing: 6px;
    text-indent: 6px;
    cursor: pointer;
    box-shadow: 0 6px 20px rgba(126, 142, 118, 0.3);
    transition: all 0.4s ease;
    position: relative;
}

.letter-btn.locked {
    background: var(--bg-deep);
    color: var(--text-mute);
    box-shadow: none;
    cursor: not-allowed;
}

.letter-btn.locked .letter-status {
    font-size: 11px;
    background: rgba(74, 65, 58, 0.15);
    padding: 2px 10px;
    border-radius: 2px;
    letter-spacing: 2px;
}

.letter-btn:not(.locked) .letter-status {
    display: none;
}

.letter-btn:not(.locked) {
    animation: letter-pulse 3s ease-in-out infinite;
}

@keyframes letter-pulse {
    0%, 100% { box-shadow: 0 6px 20px rgba(126, 142, 118, 0.3); }
    50%      { box-shadow: 0 6px 28px rgba(126, 142, 118, 0.5), 0 0 0 6px rgba(168, 181, 160, 0.15); }
}

.letter-icon {
    font-size: 18px;
    filter: grayscale(0.4);
}

.garden-foot-hint {
    margin-top: 18px;
    font-size: 12px;
    color: var(--text-mute);
    letter-spacing: 2px;
    font-weight: 300;
}

.garden-foot-hint a {
    color: var(--sage-deep);
    text-decoration: none;
    border-bottom: 1px solid var(--sage);
    padding-bottom: 1px;
}

/* ============================================
   Page 3: 花语卡片
   ============================================ */
.card-overlay {
    position: fixed;
    inset: 0;
    background: rgba(74, 65, 58, 0.55);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease, visibility 0.5s ease;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 0;
}

.card-overlay.active {
    opacity: 1;
    visibility: visible;
}

.flower-card {
    width: 100%;
    max-width: 480px;
    max-height: 92vh;
    background: var(--bg-base);
    border-radius: 12px 12px 0 0;
    padding: 32px 28px 24px;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.18);
    transform: translateY(100%);
    transition: transform 0.6s cubic-bezier(0.22, 0.95, 0.4, 1);
}

.card-overlay.active .flower-card {
    transform: translateY(0);
}

.flower-card::-webkit-scrollbar { width: 0; }

.flower-card::before {
    content: '';
    position: absolute;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    width: 36px;
    height: 3px;
    background: var(--clay);
    opacity: 0.3;
    border-radius: 2px;
}

.card-close {
    position: absolute;
    top: 22px;
    right: 22px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 1px solid var(--line);
    background: rgba(255, 252, 245, 0.85);
    font-size: 18px;
    color: var(--text-soft);
    cursor: pointer;
    line-height: 1;
    z-index: 2;
    font-family: var(--font-serif);
}

.card-content {
    padding-top: 14px;
}

.card-flower {
    text-align: center;
    margin-bottom: 22px;
}

.card-flower-emoji {
    font-size: 56px;
    display: inline-block;
    filter: grayscale(0.2) saturate(0.85);
    animation: flower-sway 3.5s ease-in-out infinite;
}

.card-flower-name {
    font-family: var(--font-serif-display);
    font-size: 26px;
    color: var(--text);
    margin-top: 8px;
    letter-spacing: 8px;
    text-indent: 8px;
    font-weight: 600;
    position: relative;
    display: inline-block;
}

.card-flower-name::before,
.card-flower-name::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 24px;
    height: 1px;
    background: var(--clay);
    opacity: 0.5;
}
.card-flower-name::before { left: -36px; }
.card-flower-name::after  { right: -28px; }

.card-quote {
    text-align: center;
    font-family: var(--font-serif-display);
    font-size: 17px;
    color: var(--rose-deep);
    margin: 8px 0 24px;
    line-height: 1.9;
    letter-spacing: 3px;
    font-style: italic;
    font-weight: 400;
}

.card-divider {
    width: 50px;
    height: 1px;
    background: var(--clay);
    margin: 0 auto 24px;
    opacity: 0.4;
    position: relative;
}

.card-divider::before,
.card-divider::after {
    content: '·';
    position: absolute;
    top: -10px;
    color: var(--clay);
    font-size: 16px;
}
.card-divider::before { left: -16px; }
.card-divider::after  { right: -16px; }

.card-body {
    color: var(--text);
    font-family: var(--font-serif);
    font-size: 16px;
    line-height: 2.1;
    letter-spacing: 1.5px;
    white-space: pre-line;
    margin-bottom: 24px;
    padding: 0 4px;
    font-weight: 400;
}

.card-image {
    width: 100%;
    border-radius: 4px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
    aspect-ratio: 4 / 3;
    object-fit: cover;
    background: var(--bg-deep);
    border: 1px solid var(--line);
    filter: saturate(0.9);
}

.card-image.portrait {
    aspect-ratio: 3 / 4;
    max-height: 380px;
    object-fit: cover;
    object-position: center top;
}

.card-tag {
    display: inline-block;
    background: var(--dust-yellow);
    color: var(--text);
    padding: 4px 14px;
    border-radius: 2px;
    font-size: 12px;
    margin-bottom: 12px;
    letter-spacing: 2px;
    font-family: var(--font-serif);
    border: 1px solid var(--clay);
    opacity: 0.85;
}

.card-actions {
    display: flex;
    gap: 12px;
    padding-top: 18px;
    border-top: 1px solid var(--line);
    margin-top: 8px;
}

.card-btn {
    flex: 1;
    padding: 12px 16px;
    border-radius: 2px;
    border: none;
    font-size: 14px;
    font-family: var(--font-serif);
    font-weight: 500;
    letter-spacing: 4px;
    text-indent: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.card-btn--ghost {
    background: rgba(255, 252, 245, 0.6);
    color: var(--text);
    border: 1px solid var(--clay);
}

.card-btn--primary {
    background: linear-gradient(135deg, var(--sage) 0%, var(--sage-deep) 100%);
    color: #FFFCF5;
    box-shadow: 0 4px 14px rgba(126, 142, 118, 0.3);
}

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

/* ============================================
   Page 4: 最终彩蛋页
   ============================================ */
#final-screen {
    background:
        radial-gradient(ellipse at 50% 5%, rgba(212, 195, 154, 0.35) 0%, transparent 55%),
        linear-gradient(180deg, var(--bg-base) 0%, var(--bg-soft) 100%);
}

.final-content {
    max-width: 480px;
    margin: 0 auto;
    padding: 40px 28px 60px;
    text-align: center;
}

.mother-tree {
    position: relative;
    width: 200px;
    height: 200px;
    margin: 10px auto 30px;
    animation: tree-rise 1.6s ease-out;
}

@keyframes tree-rise {
    from { opacity: 0; transform: scale(0.7); }
    to   { opacity: 1; transform: scale(1); }
}

.tree-canopy {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 180px;
    height: 160px;
    background: radial-gradient(circle, rgba(201, 210, 192, 0.6) 0%, rgba(168, 181, 160, 0.5) 70%, transparent 100%);
    border-radius: 50%;
}

.tree-flower {
    position: absolute;
    font-size: 24px;
    filter: grayscale(0.25) saturate(0.8);
    animation: tree-flower-twinkle 3.5s ease-in-out infinite;
}

.tf-1  { left: 10%; top: 15%; animation-delay: 0s; }
.tf-2  { left: 38%; top: 5%;  animation-delay: 0.3s; }
.tf-3  { left: 65%; top: 12%; animation-delay: 0.6s; }
.tf-4  { left: 80%; top: 35%; animation-delay: 0.9s; }
.tf-5  { left: 5%;  top: 42%; animation-delay: 1.2s; }
.tf-6  { left: 50%; top: 32%; animation-delay: 1.5s; font-size: 30px; }
.tf-7  { left: 25%; top: 55%; animation-delay: 1.8s; }
.tf-8  { left: 70%; top: 60%; animation-delay: 2.1s; }
.tf-9  { left: 15%; top: 75%; animation-delay: 2.4s; }
.tf-10 { left: 55%; top: 78%; animation-delay: 2.7s; }
.tf-11 { left: 82%; top: 78%; animation-delay: 0.5s; }
.tf-12 { left: 40%; top: 88%; animation-delay: 1.0s; }

@keyframes tree-flower-twinkle {
    0%, 100% { transform: scale(1); opacity: 0.92; }
    50%      { transform: scale(1.12); opacity: 1; }
}

.tree-trunk {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 16px;
    height: 56px;
    background: linear-gradient(180deg, var(--clay) 0%, var(--clay-deep) 100%);
    border-radius: 2px 2px 4px 4px;
}

.final-title {
    font-family: var(--font-serif-display);
    font-size: 26px;
    color: var(--text);
    font-weight: 600;
    margin-bottom: 28px;
    letter-spacing: 8px;
    text-indent: 8px;
    position: relative;
    display: inline-block;
}

.final-title::before,
.final-title::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 30px;
    height: 1px;
    background: var(--clay);
    opacity: 0.4;
}
.final-title::before { left: -42px; }
.final-title::after  { right: -34px; }

.letter-paper {
    background:
        linear-gradient(180deg, rgba(255, 252, 245, 0.95) 0%, rgba(248, 240, 225, 0.9) 100%);
    border: 1px solid var(--line);
    border-radius: 2px;
    padding: 32px 26px;
    text-align: left;
    box-shadow: var(--shadow);
    margin-bottom: 32px;
    line-height: 2.1;
    color: var(--text);
    font-family: var(--font-serif);
    font-size: 15.5px;
    letter-spacing: 1.5px;
    position: relative;
}

.letter-paper::before {
    content: '';
    position: absolute;
    top: 8px; left: 8px; right: 8px; bottom: 8px;
    border: 1px solid var(--line);
    pointer-events: none;
    border-radius: 1px;
}

.letter-paper p {
    margin-bottom: 16px;
    position: relative;
}

.letter-greeting {
    font-family: var(--font-serif-display);
    font-size: 18px;
    color: var(--text);
    font-weight: 600;
    margin-bottom: 20px !important;
    letter-spacing: 3px;
}

.letter-emphasis {
    color: var(--rose-deep);
    font-family: var(--font-serif-display);
    font-size: 17px;
    text-align: center;
    margin: 22px 0 !important;
    letter-spacing: 4px;
    font-weight: 600;
    font-style: italic;
}

.letter-sign {
    text-align: right;
    margin-top: 28px !important;
    font-family: var(--font-serif-display);
    font-size: 15px;
    color: var(--text-soft);
    letter-spacing: 2px;
}

.letter-date {
    font-size: 12px;
    color: var(--text-mute);
    letter-spacing: 3px;
}

.family-photo {
    margin-bottom: 30px;
}

.family-photo img {
    width: 100%;
    border-radius: 4px;
    box-shadow: var(--shadow);
    border: 1px solid var(--line);
    filter: saturate(0.9);
}

.family-photo figcaption {
    margin-top: 14px;
    color: var(--text-soft);
    font-size: 13px;
    letter-spacing: 4px;
    font-family: var(--font-serif-display);
    font-style: italic;
}

.final-actions {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.ghost-btn {
    padding: 12px 24px;
    background: rgba(255, 252, 245, 0.6);
    color: var(--text);
    border: 1px solid var(--clay);
    border-radius: 2px;
    font-size: 14px;
    font-family: var(--font-serif);
    font-weight: 500;
    letter-spacing: 4px;
    text-indent: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

/* ============================================
   Page 5: 愿望兑换页
   ============================================ */
#wish-screen {
    background:
        radial-gradient(ellipse at 80% 0%, rgba(220, 196, 189, 0.35) 0%, transparent 55%),
        linear-gradient(180deg, var(--bg-base) 0%, var(--bg-soft) 100%);
}

.wish-header {
    position: relative;
    padding: 28px 20px 18px;
    text-align: center;
    max-width: 480px;
    margin: 0 auto;
}

.back-arrow {
    position: absolute;
    left: 18px;
    top: 28px;
    width: 36px;
    height: 36px;
    border: 1px solid var(--clay);
    background: rgba(255, 252, 245, 0.7);
    border-radius: 50%;
    font-size: 18px;
    color: var(--text);
    cursor: pointer;
    font-family: var(--font-serif);
}

.wish-title {
    font-family: var(--font-serif-display);
    font-size: 24px;
    color: var(--text);
    font-weight: 600;
    letter-spacing: 6px;
    text-indent: 6px;
    margin-bottom: 10px;
}

.wish-sub {
    color: var(--text-soft);
    font-size: 13px;
    letter-spacing: 3px;
    font-style: italic;
    font-family: var(--font-serif-display);
}

.coupons {
    max-width: 480px;
    margin: 0 auto;
    padding: 20px 20px 30px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.coupon {
    background: rgba(255, 252, 245, 0.85);
    border: 1px dashed var(--rose-deep);
    border-radius: 4px;
    padding: 18px 18px 18px 22px;
    display: flex;
    align-items: center;
    gap: 16px;
    position: relative;
    box-shadow: var(--shadow-soft);
    transition: all 0.4s ease;
}

.coupon::before,
.coupon::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    background: var(--bg-base);
    border-radius: 50%;
    top: 50%;
    transform: translateY(-50%);
}

.coupon::before { left: -9px; }
.coupon::after { right: -9px; }

.coupon-icon {
    font-size: 32px;
    flex-shrink: 0;
    filter: grayscale(0.25) saturate(0.85);
}

.coupon-body {
    flex: 1;
    min-width: 0;
}

.coupon-title {
    font-family: var(--font-serif-display);
    font-size: 16px;
    color: var(--text);
    margin-bottom: 4px;
    letter-spacing: 2px;
    font-weight: 600;
}

.coupon-desc {
    font-size: 12.5px;
    color: var(--text-soft);
    line-height: 1.7;
    letter-spacing: 1px;
    font-family: var(--font-serif);
}

.coupon-btn {
    flex-shrink: 0;
    background: linear-gradient(135deg, var(--rose) 0%, var(--rose-deep) 100%);
    color: #FFFCF5;
    border: none;
    padding: 8px 14px;
    border-radius: 2px;
    font-size: 12px;
    font-family: var(--font-serif);
    font-weight: 500;
    cursor: pointer;
    letter-spacing: 2px;
    box-shadow: 0 3px 10px rgba(168, 132, 124, 0.3);
}

.coupon.used {
    opacity: 0.5;
    background: var(--bg-deep);
}

.coupon.used .coupon-btn {
    background: var(--sage);
    box-shadow: none;
    pointer-events: none;
}

.wish-footer {
    text-align: center;
    padding-bottom: 40px;
}

/* ============================================
   Toast 提示
   ============================================ */
.toast {
    position: fixed;
    bottom: 60px;
    left: 50%;
    transform: translateX(-50%) translateY(40px);
    background: rgba(74, 65, 58, 0.92);
    color: #FFFCF5;
    padding: 12px 24px;
    border-radius: 2px;
    font-size: 13px;
    font-family: var(--font-serif);
    letter-spacing: 2px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.5s ease;
    z-index: 200;
    max-width: 80%;
    text-align: center;
    border: 1px solid rgba(255, 252, 245, 0.2);
}

.toast.show {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

/* ============================================
   响应式
   ============================================ */
@media (min-width: 768px) {
    .welcome-title { font-size: 34px; }
    .welcome-title .highlight { font-size: 42px; }
    .flower-emoji { font-size: 50px; }
    .flowers-container { gap: 16px 10px; }
}

@media (max-width: 360px) {
    .welcome-title { font-size: 24px; letter-spacing: 3px; }
    .welcome-title .highlight { font-size: 30px; letter-spacing: 4px; }
    .flower-emoji { font-size: 36px; }
    .flower-label { font-size: 11px; padding: 1px 6px; }
    .card-body { font-size: 15px; }
    .letter-paper { padding: 24px 18px; font-size: 15px; }
    .card-flower-name::before,
    .card-flower-name::after { display: none; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.2s !important;
    }
}