/* ============================================
   宠物马甲 - 黑白极简高级感主题 v2
   ============================================ */

@font-face {
    font-family: 'KingHwa';
    src: url('https://hulkim.oss-cn-beijing.aliyuncs.com/font/KingHwa_OldSong.OTF') format('opentype');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --bg: #ffffff;
    --bg-secondary: #f5f5f5;
    --bg-card: #ffffff;
    --text: #111111;
    --text-secondary: #666666;
    --text-muted: #999999;
    --border: #e0e0e0;
    --border-light: #f0f0f0;
    --accent: #111111;
    --accent-hover: #333333;
    --danger: #cc0000;
    --success: #1a8a1a;
    --radius: 2px;
    --shadow: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-lg: 0 4px 20px rgba(0,0,0,0.08);
    --font: 'KingHwa', 'Noto Serif SC', 'STSong', Georgia, serif;
    --transition: 0.2s ease;
    --max-width: 960px;
}

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

body {
    font-family: var(--font);
    color: var(--text);
    background: var(--bg);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

/* ── Header ── */
.header {
    position: sticky; top: 0; z-index: 100;
    background: var(--bg); border-bottom: 1px solid var(--border);
}
.header-inner {
    display: flex; align-items: center; justify-content: space-between;
    height: 64px; max-width: var(--max-width); margin: 0 auto; padding: 0 24px;
}
.logo { font-size: 18px; font-weight: 700; letter-spacing: 4px; color: var(--text); }
.logo span { font-weight: 300; font-size: 12px; letter-spacing: 2px; display: block; color: var(--text-secondary); }

.header-link {
    font-size: 15px; letter-spacing: 2px; color: var(--text-secondary);
    transition: color var(--transition); padding: 8px 0;
}
.header-link:hover { color: var(--text); }

/* ── Hero ── */
.hero { text-align: center; padding: 80px 24px; border-bottom: 1px solid var(--border); }
.hero h1 { font-size: 32px; font-weight: 700; letter-spacing: 6px; margin-bottom: 16px; }
.hero p { font-size: 14px; color: var(--text-secondary); letter-spacing: 1px; max-width: 520px; margin: 0 auto; line-height: 2; }

/* ── Pattern Grid ── */
.section { padding: 60px 0; }
.section-title {
    font-size: 14px; letter-spacing: 3px; text-transform: uppercase;
    color: var(--text-muted); text-align: center; margin-bottom: 40px;
}

.pattern-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; }
.pattern-card {
    border: 1px solid var(--border); padding: 32px 24px; text-align: center;
    cursor: pointer; transition: all var(--transition); position: relative; background: var(--bg-card);
}
.pattern-card:hover { border-color: var(--text); box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.pattern-card.disabled { opacity: 0.4; cursor: default; pointer-events: none; }
.pattern-card .card-icon { width: 48px; height: 48px; margin: 0 auto 20px; display: flex; align-items: center; justify-content: center; }
.pattern-card .card-icon svg { width: 40px; height: 40px; stroke: var(--text); fill: none; stroke-width: 1.2; }
.pattern-card h3 { font-size: 16px; font-weight: 600; letter-spacing: 2px; margin-bottom: 8px; }
.pattern-card .card-tag { font-size: 11px; letter-spacing: 1px; color: var(--text-muted); }
.pattern-card .card-tag.free { color: var(--success); }
.pattern-card .coming-badge { position: absolute; top: 12px; right: 12px; font-size: 10px; letter-spacing: 1px; color: var(--text-muted); border: 1px solid var(--border); padding: 2px 8px; }

/* ── Pattern Tool Page ── */
.tool-page { padding: 40px 0 80px; }
.tool-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 32px; padding-bottom: 20px; border-bottom: 1px solid var(--border);
}
.tool-header h2 { font-size: 20px; letter-spacing: 3px; font-weight: 600; }
.tool-back { font-size: 13px; color: var(--text-secondary); display: flex; align-items: center; gap: 6px; }
.tool-back:hover { color: var(--text); }

/* Form */
.form-section { margin-bottom: 28px; }
.form-section-title {
    font-size: 12px; letter-spacing: 2px; color: var(--text-muted); text-transform: uppercase;
    margin-bottom: 16px; padding-bottom: 8px; border-bottom: 1px solid var(--border-light);
}
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 13px; color: var(--text-secondary); margin-bottom: 6px; letter-spacing: 1px; }
.form-input {
    width: 100%; height: 48px; padding: 0 14px; border: 1px solid var(--border);
    background: var(--bg); color: var(--text); font-size: 15px; outline: none; transition: border-color var(--transition);
}
.form-input:focus { border-color: var(--text); }
.form-input::placeholder { color: var(--text-muted); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-hint { font-size: 11px; color: var(--text-muted); margin-top: 4px; }

/* ── Measurement Input Row ── */
.measure-row { margin-bottom: 18px; }
.measure-label { display: block; font-size: 13px; color: var(--text-secondary); letter-spacing: 1px; margin-bottom: 8px; }
.measure-input-group { display: flex; align-items: center; gap: 0; }
.measure-btn {
    width: 52px; height: 52px; border: 1px solid var(--border); background: var(--bg);
    cursor: pointer; display: flex; align-items: center; justify-content: center;
    font-size: 22px; color: var(--text); transition: all var(--transition); flex-shrink: 0;
    user-select: none; -webkit-user-select: none;
}
.measure-btn:first-child { border-right: none; }
.measure-btn:last-of-type { border-left: none; }
.measure-btn:hover { background: var(--text); color: var(--bg); }
.measure-btn:active { transform: scale(0.95); }
.measure-input {
    flex: 1; height: 52px; border: 1px solid var(--border); border-left: none; border-right: none;
    background: var(--bg); color: var(--text); font-size: 18px; font-weight: 600;
    text-align: center; outline: none; min-width: 0;
    -moz-appearance: textfield;
}
.measure-input::-webkit-inner-spin-button,
.measure-input::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
.measure-input:focus { border-color: var(--text); }
.measure-input::placeholder { color: var(--text-muted); font-weight: 400; font-size: 13px; }
.measure-unit { font-size: 12px; color: var(--text-muted); margin-left: 8px; min-width: 24px; }

/* Fit */
.fit-control { display: flex; align-items: center; gap: 16px; padding: 16px 0; }
.fit-btn {
    width: 52px; height: 52px; border: 1px solid var(--border); background: var(--bg);
    cursor: pointer; display: flex; align-items: center; justify-content: center;
    font-size: 22px; color: var(--text); transition: all var(--transition);
}
.fit-btn:hover { background: var(--text); color: var(--bg); }
.fit-label { font-size: 16px; letter-spacing: 2px; min-width: 60px; text-align: center; }

/* Preview */
.preview-panel {
    border: 1px solid var(--border); padding: 24px; background: var(--bg-card);
    min-height: 300px; display: flex; flex-direction: column;
}
.preview-title { font-size: 12px; letter-spacing: 2px; color: var(--text-muted); text-transform: uppercase; margin-bottom: 16px; }
.preview-canvas {
    flex: 1; background: var(--bg-secondary); display: flex; align-items: center; justify-content: center;
    min-height: 260px; border: 1px dashed var(--border);
}
.preview-canvas svg { width: 90%; max-height: 320px; }
.preview-info {
    margin-top: 16px; padding-top: 12px; border-top: 1px solid var(--border-light);
    font-size: 12px; color: var(--text-muted); display: flex; justify-content: space-between;
}

/* ── Buttons ── */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    height: 52px; padding: 0 32px; font-size: 15px; letter-spacing: 2px;
    border: 1px solid var(--text); background: var(--text); color: var(--bg);
    cursor: pointer; transition: all var(--transition);
}
.btn:hover { background: var(--accent-hover); }
.btn-outline { background: transparent; color: var(--text); }
.btn-outline:hover { background: var(--text); color: var(--bg); }
.btn-block { width: 100%; }
.btn-lg { height: 56px; font-size: 16px; padding: 0 36px; }
.btn-sm { height: 40px; padding: 0 18px; font-size: 13px; }
.btn-danger { border-color: var(--danger); background: var(--danger); }
.btn-danger:hover { opacity: 0.85; }
.btn:disabled { opacity: 0.3; cursor: not-allowed; }
.btn-group { display: flex; gap: 12px; margin-top: 24px; }

/* Export */
.export-section { border: 1px solid var(--border); padding: 32px; margin-top: 40px; text-align: center; }
.export-section h3 { font-size: 16px; letter-spacing: 2px; margin-bottom: 8px; }
.export-section p { font-size: 13px; color: var(--text-secondary); margin-bottom: 24px; }

/* ── User Center ── */
.user-page { padding: 40px 0 80px; }
.user-header { display: flex; align-items: center; gap: 20px; padding-bottom: 32px; border-bottom: 1px solid var(--border); margin-bottom: 32px; }
.user-avatar { width: 64px; height: 64px; border-radius: 50%; border: 1px solid var(--border); overflow: hidden; background: var(--bg-secondary); display: flex; align-items: center; justify-content: center; }
.user-avatar img { width: 100%; height: 100%; object-fit: cover; }
.user-avatar svg { width: 32px; height: 32px; stroke: var(--text-muted); }
.user-info h2 { font-size: 20px; letter-spacing: 2px; margin-bottom: 4px; }
.user-info p { font-size: 12px; color: var(--text-muted); }

.user-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 40px; }
.stat-card { border: 1px solid var(--border); padding: 20px; text-align: center; }
.stat-card .stat-num { font-size: 28px; font-weight: 700; letter-spacing: 2px; }
.stat-card .stat-label { font-size: 11px; color: var(--text-muted); letter-spacing: 1px; margin-top: 4px; }

.tab-bar { display: flex; border-bottom: 1px solid var(--border); margin-bottom: 24px; }
.tab-item {
    padding: 14px 24px; font-size: 14px; letter-spacing: 1px; color: var(--text-muted);
    cursor: pointer; border-bottom: 2px solid transparent; transition: all var(--transition);
    background: none; border-top: none; border-left: none; border-right: none;
}
.tab-item:hover { color: var(--text-secondary); }
.tab-item.active { color: var(--text); border-bottom-color: var(--text); }

/* Pet list */
.pet-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.pet-card { border: 1px solid var(--border); padding: 20px; display: flex; align-items: center; gap: 16px; cursor: pointer; transition: all var(--transition); }
.pet-card:hover { border-color: var(--text); }
.pet-card .pet-avatar { width: 48px; height: 48px; border-radius: 50%; background: var(--bg-secondary); display: flex; align-items: center; justify-content: center; flex-shrink: 0; overflow: hidden; border: 1px solid var(--border-light); }
.pet-card .pet-avatar img { width: 100%; height: 100%; object-fit: cover; }
.pet-card .pet-avatar svg { width: 24px; height: 24px; }
.pet-card .pet-name { font-size: 15px; font-weight: 600; letter-spacing: 1px; }
.pet-card .pet-meta { font-size: 11px; color: var(--text-muted); margin-top: 2px; }

.add-card {
    border: 1px dashed var(--border); padding: 20px;
    display: flex; align-items: center; justify-content: center; gap: 8px;
    cursor: pointer; color: var(--text-muted); font-size: 13px; letter-spacing: 1px;
    transition: all var(--transition); min-height: 88px;
}
.add-card:hover { border-color: var(--text); color: var(--text); }

/* Record list */
.record-list { display: flex; flex-direction: column; gap: 12px; }
.record-item { border: 1px solid var(--border); padding: 16px 20px; display: flex; align-items: center; justify-content: space-between; transition: all var(--transition); }
.record-item:hover { border-color: var(--text-secondary); }
.record-item .record-left { display: flex; flex-direction: column; gap: 4px; }
.record-item .record-title { font-size: 14px; font-weight: 600; letter-spacing: 1px; }
.record-item .record-meta { font-size: 11px; color: var(--text-muted); }
.record-item .record-right { display: flex; align-items: center; gap: 12px; }
.record-item .record-status { font-size: 11px; padding: 3px 10px; border: 1px solid var(--border); letter-spacing: 1px; }
.record-item .record-status.free { border-color: var(--success); color: var(--success); }
.record-item .record-status.completed { border-color: var(--text); }

/* ── Modal ── */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.4); z-index: 200; display: none; align-items: center; justify-content: center; padding: 24px; }
.modal-overlay.open { display: flex; }
.modal { background: var(--bg); width: 100%; max-width: 480px; max-height: 90vh; overflow-y: auto; padding: 32px; position: relative; }
.modal-close { position: absolute; top: 16px; right: 16px; background: none; border: none; cursor: pointer; font-size: 24px; color: var(--text-muted); }
.modal-close:hover { color: var(--text); }
.modal h3 { font-size: 18px; letter-spacing: 2px; margin-bottom: 24px; }

/* Login Prompt */
.login-prompt { text-align: center; padding: 60px 24px; }
.login-prompt svg { width: 48px; height: 48px; margin: 0 auto 20px; stroke: var(--text-muted); }
.login-prompt h3 { font-size: 20px; letter-spacing: 2px; margin-bottom: 8px; }
.login-prompt p { font-size: 14px; color: var(--text-secondary); margin-bottom: 28px; }

/* Upload */
.upload-area { width: 80px; height: 80px; border: 1px dashed var(--border); display: flex; align-items: center; justify-content: center; cursor: pointer; transition: all var(--transition); overflow: hidden; border-radius: 50%; background: var(--bg-secondary); }
.upload-area:hover { border-color: var(--text); }
.upload-area img { width: 100%; height: 100%; object-fit: cover; }
.upload-area svg { width: 24px; height: 24px; stroke: var(--text-muted); }

/* Select type */
.pet-type-select { display: flex; gap: 12px; }
.pet-type-btn {
    flex: 1; padding: 16px; border: 1px solid var(--border); background: var(--bg);
    cursor: pointer; display: flex; flex-direction: column; align-items: center; gap: 8px;
    transition: all var(--transition); font-size: 13px; color: var(--text-secondary);
}
.pet-type-btn:hover { border-color: var(--text-secondary); }
.pet-type-btn.active { border-color: var(--text); color: var(--text); background: var(--bg-secondary); }
.pet-type-btn svg { width: 32px; height: 32px; }

/* Toast */
.toast {
    position: fixed; top: 80px; left: 50%; transform: translateX(-50%) translateY(-20px);
    background: var(--text); color: var(--bg); padding: 14px 28px; font-size: 14px; letter-spacing: 1px;
    z-index: 999; opacity: 0; transition: all 0.3s; pointer-events: none;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* Empty */
.empty { text-align: center; padding: 48px 24px; color: var(--text-muted); font-size: 13px; letter-spacing: 1px; }

/* Footer */
.footer { border-top: 1px solid var(--border); text-align: center; padding: 24px; font-size: 11px; color: var(--text-muted); letter-spacing: 1px; }

/* ── Responsive ── */
@media (max-width: 768px) {
    :root { --max-width: 100%; }
    .header-inner { padding: 0 16px; }

    .hero { padding: 48px 16px; }
    .hero h1 { font-size: 24px; letter-spacing: 4px; }

    .pattern-grid { grid-template-columns: 1fr; }

    .form-row { grid-template-columns: 1fr; }
    .user-stats { grid-template-columns: repeat(3, 1fr); gap: 8px; }
    .stat-card { padding: 12px; }
    .stat-card .stat-num { font-size: 22px; }
    .pet-list { grid-template-columns: 1fr; }
    .container { padding: 0 16px; }
    .section { padding: 40px 0; }
    .btn-group { flex-direction: column; }
}

@media (max-width: 480px) {
    .hero h1 { font-size: 20px; }
    .tab-item { padding: 10px 14px; font-size: 12px; }
    .measure-btn { width: 48px; height: 48px; font-size: 20px; }
    .measure-input { height: 48px; font-size: 16px; }
}