/*
 * SEO Roaster - Candy Clay Edition 🍬
 * UX-Genis v2.0 Generated
 *
 * Philosophy Mix: Claymorphism 80% + Aurora 20%
 * Vector: saturation=88, warmth=82, density=35, organic=18
 *         depth=92, noise=5, radius=48px, contrast=42, motion=50
 *
 * 設計概念：軟糖 Q 彈感，像可以捏的 3D 黏土
 */

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

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

.result-section,
.error-section {
    animation: fadeIn 0.5s ease;
}

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

:root {
    /* 🍬 Candy Clay Color Palette - 超高飽和糖果色 */
    --bg-primary: #fff0f5;          /* 草莓牛奶 */
    --bg-secondary: #fffaf0;        /* 奶油底 */
    --bg-card: #ffffff;
    --bg-card-hover: #fff5fa;

    --text-primary: #5a4a5c;        /* 巧克力灰 */
    --text-secondary: #8b7a8c;
    --text-muted: #b5a3b7;

    /* 🎨 超甜糖果色 */
    --candy-pink: #ff7eb3;          /* 草莓軟糖 */
    --candy-pink-dark: #ff5c9e;
    --candy-pink-light: #ffc4dc;
    --candy-peach: #ffb5a7;         /* 水蜜桃 */
    --candy-lavender: #c9b1ff;      /* 薰衣草 */
    --candy-mint: #7ee8c7;          /* 薄荷 */
    --candy-lemon: #ffe66d;         /* 檸檬 */
    --candy-coral: #ff9a8b;         /* 珊瑚 */

    /* 等級糖果色 */
    --grade-s: #7ee8c7;
    --grade-a: #a8f0d4;
    --grade-b: #ffe66d;
    --grade-c: #ffb380;
    --grade-f: #ff8a8a;

    /* 🧈 Clay Shadows - 黏土立體感的靈魂 */
    --shadow-clay:
        0 10px 30px rgba(255, 126, 179, 0.25),
        0 4px 10px rgba(0, 0, 0, 0.08),
        inset 3px 3px 8px rgba(255, 255, 255, 0.6),
        inset -2px -2px 6px rgba(255, 126, 179, 0.15);

    --shadow-clay-hover:
        0 15px 40px rgba(255, 126, 179, 0.35),
        0 8px 20px rgba(0, 0, 0, 0.1),
        inset 4px 4px 10px rgba(255, 255, 255, 0.7),
        inset -3px -3px 8px rgba(255, 126, 179, 0.2);

    --shadow-clay-pressed:
        0 4px 12px rgba(255, 126, 179, 0.2),
        0 2px 6px rgba(0, 0, 0, 0.06),
        inset 2px 2px 6px rgba(255, 126, 179, 0.2),
        inset -1px -1px 4px rgba(255, 255, 255, 0.4);

    /* Spacing */
    --container-max: 820px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;

    /* 🫧 超圓潤圓角 */
    --radius-sm: 16px;
    --radius-md: 28px;
    --radius-lg: 40px;
    --radius-xl: 48px;
    --radius-full: 50%;

    /* 🎢 彈跳動畫 */
    --transition-fast: 0.2s ease;
    --transition-bounce: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    --transition-clay: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

body {
    font-family: 'Noto Sans TC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background:
        radial-gradient(ellipse at top left, rgba(255, 196, 220, 0.4) 0%, transparent 50%),
        radial-gradient(ellipse at bottom right, rgba(201, 177, 255, 0.3) 0%, transparent 50%),
        linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    color: var(--text-primary);
    line-height: 1.7;
    min-height: 100vh;
}

/* ===== Container ===== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--spacing-lg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ===== Header - 軟糖標題 ===== */
.header {
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
}

.mascot {
    width: 120px;
    height: 120px;
    object-fit: contain;
    filter: drop-shadow(0 8px 16px rgba(255, 126, 179, 0.3));
    transition: transform var(--transition-bounce), filter var(--transition-fast);
    animation: float 3s ease-in-out infinite;
}

.mascot:hover {
    transform: scale(1.1) rotate(-5deg);
    filter: drop-shadow(0 12px 24px rgba(255, 126, 179, 0.4));
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.header-text {
    text-align: left;
}

.title {
    font-size: 2.8rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    text-shadow: 2px 2px 0 rgba(255, 126, 179, 0.2);
}

.title .cute {
    color: var(--candy-pink);
    position: relative;
    display: inline-block;
}

.title .cute::after {
    content: ' 🍬';
    font-size: 0.7em;
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.15rem;
    font-weight: 500;
}

.subtitle::before { content: '🫧 '; }
.subtitle::after { content: ' 🫧'; }

/* ===== Input Section - Q彈輸入框 ===== */
.input-section {
    margin-bottom: var(--spacing-xl);
}

.input-wrapper {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

#url-input {
    flex: 1;
    min-width: 260px;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 1.1rem;
    background: var(--bg-card);
    border: 3px solid var(--candy-pink-light);
    border-radius: var(--radius-xl);
    color: var(--text-primary);
    box-shadow: var(--shadow-clay);
    transition:
        border-color var(--transition-fast),
        box-shadow var(--transition-clay),
        transform var(--transition-bounce);
}

#url-input:focus {
    outline: none;
    border-color: var(--candy-pink);
    box-shadow: var(--shadow-clay-hover);
    transform: scale(1.01);
}

#url-input::placeholder {
    color: var(--text-muted);
}

/* 🍭 超 Q 彈按鈕 */
.btn-submit {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.15rem;
    font-weight: 700;
    background: linear-gradient(145deg, var(--candy-pink), var(--candy-peach));
    color: white;
    border: none;
    border-radius: var(--radius-xl);
    cursor: pointer;
    box-shadow: var(--shadow-clay);
    transition:
        transform var(--transition-bounce),
        box-shadow var(--transition-clay);
    position: relative;
    overflow: hidden;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.1);
}

.btn-submit::before {
    content: '';
    position: absolute;
    top: 3px;
    left: 10%;
    right: 10%;
    height: 30%;
    background: linear-gradient(180deg, rgba(255,255,255,0.5), transparent);
    border-radius: 50%;
    pointer-events: none;
}

.btn-submit:hover:not(:disabled) {
    transform: translateY(-4px) scale(1.05);
    box-shadow: var(--shadow-clay-hover);
}

.btn-submit:active:not(:disabled) {
    transform: translateY(2px) scale(0.98);
    box-shadow: var(--shadow-clay-pressed);
}

.btn-submit:disabled {
    cursor: not-allowed;
    opacity: 0.6;
}

.btn-submit .btn-loading { display: none; }
.btn-submit.loading .btn-text { display: none; }
.btn-submit.loading .btn-loading { display: inline; }

/* ===== Score Card - 黏土分數卡 ===== */
.score-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-clay);
    position: relative;
    overflow: hidden;
}

.score-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg,
        var(--candy-pink),
        var(--candy-peach),
        var(--candy-lemon),
        var(--candy-mint),
        var(--candy-lavender));
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.score-circle {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 160px;
    height: 160px;
    border-radius: var(--radius-full);
    background: linear-gradient(145deg, #fff, var(--bg-primary));
    border: 5px solid var(--candy-pink);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-clay);
}

.score-value {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1;
    color: var(--candy-pink);
    text-shadow: 2px 2px 0 rgba(255, 126, 179, 0.2);
}

.score-label {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 600;
}

/* 等級徽章 - 糖果風 */
.grade-badge {
    display: inline-block;
    font-size: 2.2rem;
    font-weight: 900;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-clay);
}

.grade-s {
    background: linear-gradient(145deg, var(--grade-s), #a8f0d4);
    color: #1a5c47;
}
.grade-s::after { content: ' 🌟'; }

.grade-a {
    background: linear-gradient(145deg, var(--grade-a), #c6f6d5);
    color: #276749;
}

.grade-b {
    background: linear-gradient(145deg, var(--grade-b), #fff3a0);
    color: #8b6914;
}

.grade-c {
    background: linear-gradient(145deg, var(--grade-c), #ffd0a0);
    color: #8b4513;
}

.grade-f {
    background: linear-gradient(145deg, var(--grade-f), #ffb3b3);
    color: #8b2c2c;
}
.grade-f::after { content: ' 💔'; }

.grade-roast {
    font-size: 1.15rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    font-style: italic;
    padding: var(--spacing-md);
    background: rgba(255, 126, 179, 0.1);
    border-radius: var(--radius-md);
    border-left: 5px solid var(--candy-pink);
    box-shadow: inset 2px 2px 8px rgba(255, 255, 255, 0.5);
}

/* ===== Section Header - 區塊標題列 ===== */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

/* ===== Copy Button - 複製按鈕 ===== */
.btn-copy {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.9rem;
    font-weight: 600;
    background: linear-gradient(145deg, var(--candy-lavender), var(--candy-pink-light));
    color: var(--text-primary);
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    box-shadow: var(--shadow-clay);
    transition:
        transform var(--transition-bounce),
        box-shadow var(--transition-clay),
        background var(--transition-fast);
    white-space: nowrap;
}

.btn-copy:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: var(--shadow-clay-hover);
}

.btn-copy:active {
    transform: translateY(1px) scale(0.98);
    box-shadow: var(--shadow-clay-pressed);
}

.btn-copy .btn-copy-done { display: none; }
.btn-copy.copied .btn-copy-text { display: none; }
.btn-copy.copied .btn-copy-done { display: inline; }

.btn-copy.copied {
    background: linear-gradient(145deg, var(--candy-mint), #a8f0d4);
}

/* ===== Issues - 軟糖問題卡 ===== */
.issue-item {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-clay);
    margin-bottom: var(--spacing-sm);
    transition: transform var(--transition-bounce), box-shadow var(--transition-clay);
}

.issue-item:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-clay-hover);
}

.issue-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xs);
}

.issue-name {
    font-weight: 700;
    color: var(--text-primary);
}

.issue-weight {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--candy-coral);
    background: rgba(255, 154, 139, 0.2);
    padding: 4px 12px;
    border-radius: var(--radius-md);
    box-shadow: inset 1px 1px 3px rgba(255, 255, 255, 0.5);
}

.issue-roast {
    color: var(--candy-pink-dark);
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-xs);
    padding: var(--spacing-sm);
    background: rgba(255, 126, 179, 0.08);
    border-radius: var(--radius-sm);
}

/* ===== Passed Items - 通過的糖果 ===== */
.passed-item {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xs) var(--spacing-md);
    border: 3px solid var(--candy-mint);
    box-shadow: var(--shadow-clay);
    transition: transform var(--transition-bounce);
}

.passed-item:hover {
    transform: scale(1.05);
}

.passed-icon::before {
    content: '🍀';
}

/* ===== Limitations - 軟糖說明區 ===== */
.limitations {
    margin-top: var(--spacing-lg);
    background: var(--bg-card);
    border-radius: var(--radius-md);
    border: 3px solid var(--candy-pink-light);
    box-shadow: var(--shadow-clay);
}

.limitations-toggle {
    padding: var(--spacing-md);
    cursor: pointer;
    color: var(--text-secondary);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: color var(--transition-fast);
}

.limitations-toggle::-webkit-details-marker {
    display: none;
}

.limitations-toggle::before {
    content: '🍭';
    font-size: 1.1em;
}

.limitations[open] .limitations-toggle::before {
    content: '🍬';
}

.limitations-toggle:hover {
    color: var(--candy-pink);
}

.limitations-content {
    padding: 0 var(--spacing-md) var(--spacing-md);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.limitations-can,
.limitations-cannot {
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    box-shadow: inset 2px 2px 6px rgba(255, 255, 255, 0.5);
}

.limitations-can {
    background: rgba(126, 232, 199, 0.15);
    border-left: 4px solid var(--candy-mint);
}

.limitations-cannot {
    background: rgba(255, 154, 139, 0.15);
    border-left: 4px solid var(--candy-coral);
}

.limitations-can h4 {
    color: #3cb88c;
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.limitations-can h4::before {
    content: '✓ ';
}

.limitations-cannot h4 {
    color: var(--candy-coral);
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.limitations-cannot h4::before {
    content: '✗ ';
}

.limitations ul {
    list-style: none;
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.limitations li {
    padding-left: 1.4rem;
    position: relative;
}

.limitations-can li::before {
    content: '♡';
    position: absolute;
    left: 0;
    color: var(--candy-mint);
    font-size: 0.9em;
}

.limitations-cannot li::before {
    content: '×';
    position: absolute;
    left: 0;
    color: var(--candy-coral);
    font-weight: bold;
}

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

.disclaimer {
    font-size: 0.9rem;
    color: var(--text-muted);
    padding: var(--spacing-md);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-clay);
}

.disclaimer::before { content: '🍬 '; }
.disclaimer::after { content: ' 🍭'; }

/* ===== Responsive ===== */
@media (max-width: 600px) {
    .title { font-size: 2rem; }
    .score-circle { width: 130px; height: 130px; }
    .score-value { font-size: 2.8rem; }
    .input-wrapper { flex-direction: column; }
    .btn-submit { width: 100%; }
    .limitations-content { grid-template-columns: 1fr; }
    .header-content {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    .header-text { text-align: center; }
    .mascot { width: 100px; height: 100px; }
    .section-header {
        flex-direction: column;
        align-items: flex-start;
    }
    .btn-copy {
        width: 100%;
        text-align: center;
    }
}

/* ===== Cute Scrollbar ===== */
::-webkit-scrollbar { width: 12px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--candy-pink-light), var(--candy-lavender));
    border-radius: 6px;
    border: 2px solid var(--bg-primary);
}
::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--candy-pink), var(--candy-peach));
}