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

:root {
    --bg-top: #fff5f7;
    --bg-bottom: #f0f4ff;
    --card: rgba(255, 255, 255, 0.92);
    --text: #2d2a32;
    --muted: #7c7589;
    --accent: #e86b9a;
    --accent-deep: #d44d82;
    --accent-soft: #ffe8f0;
    --poop: #c27803;
    --pee: #0ea5e9;
    --feed: #10b981;
    --medicine: #8b5cf6;
    --cry: #f43f5e;
    --danger: #e11d48;
    --radius: 16px;
    --shadow: 0 8px 24px rgba(45, 42, 50, 0.06);
    --border: rgba(255, 255, 255, 0.8);
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    background: linear-gradient(165deg, var(--bg-top) 0%, var(--bg-bottom) 55%, #eef2ff 100%);
    background-attachment: fixed;
    color: var(--text);
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}

.page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.topbar {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(232, 107, 154, 0.12);
    padding: 0.85rem 1rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    position: sticky;
    top: 0;
    z-index: 10;
}

.brand {
    font-weight: 800;
    font-size: 1.15rem;
    color: var(--accent-deep);
    text-decoration: none;
    letter-spacing: 0.02em;
    padding: 0.35rem 0;
}

.nav {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
}

.nav-btn {
    color: var(--accent-deep);
    text-decoration: none;
    padding: 0.55rem 1rem;
    border-radius: 12px;
    background: var(--accent-soft);
    font-weight: 700;
    font-size: 0.95rem;
    line-height: 1.2;
    border: 1px solid rgba(232, 107, 154, 0.2);
}

.nav-btn-muted {
    background: #f8f4f6;
    color: var(--muted);
    border-color: #eadce6;
    font-weight: 600;
}

.nav .user {
    color: var(--muted);
    font-size: 0.82rem;
}

.main {
    flex: 1;
    width: 100%;
    max-width: 480px;
    margin: 0 auto;
    padding: 1rem 1rem 1.5rem;
}

.footer {
    text-align: center;
    padding: 1rem;
    font-size: 0.72rem;
    color: var(--muted);
}

.card {
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    padding: 1.25rem 1.15rem;
    margin-bottom: 1rem;
}

.card h1,
.card h2 {
    margin: 0 0 1rem;
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text);
}

.card h1 {
    font-size: 1.45rem;
    text-align: center;
}

.card-feed-since {
    text-align: center;
    background: linear-gradient(135deg, #ecfdf5 0%, #fff 100%);
    border-color: rgba(16, 185, 129, 0.25);
    padding: 1.35rem 1rem;
}

.feed-since-label {
    margin: 0;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--feed);
}

.feed-since-time {
    margin: 0.35rem 0 0;
    font-size: 2rem;
    font-weight: 800;
    color: var(--text);
    letter-spacing: 0.02em;
}

.feed-since-sub {
    margin: 0.5rem 0 0;
    font-size: 0.85rem;
    color: var(--muted);
    line-height: 1.5;
}

.card-summary h2::before {
    content: "☀️ ";
}

.card-form h2::before {
    content: "✏️ ";
}

.card-recent h2::before {
    content: "📋 ";
}

.alert {
    padding: 0.75rem 1rem;
    border-radius: 12px;
    margin-bottom: 1rem;
    font-size: 0.92rem;
}

.alert-error {
    background: #fff1f2;
    color: #be123c;
    border: 1px solid #fecdd3;
}

.alert-success {
    background: #ecfdf5;
    color: #047857;
    border: 1px solid #a7f3d0;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label,
.field-label {
    display: block;
    margin-bottom: 0.35rem;
    font-weight: 600;
    font-size: 0.88rem;
    color: var(--muted);
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="number"],
.form-group input[type="date"],
.form-group input[type="datetime-local"],
.form-group textarea {
    width: 100%;
    padding: 0.7rem 0.85rem;
    border: 1px solid #eadce6;
    border-radius: 12px;
    font-size: 1rem;
    font-family: inherit;
    background: #fffbfc;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(232, 107, 154, 0.15);
}

.form-group textarea {
    min-height: 4rem;
    resize: vertical;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.25rem;
    border: none;
    border-radius: 12px;
    font-size: 1.05rem;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    text-align: center;
    font-family: inherit;
    transition: transform 0.12s, box-shadow 0.12s;
}

.btn:active {
    transform: scale(0.98);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-deep) 100%);
    color: #fff;
    width: 100%;
    box-shadow: 0 6px 16px rgba(232, 107, 154, 0.35);
}

.btn-save {
    font-size: 1.2rem;
    padding: 1rem 1.25rem;
}

.save-block {
    margin: 0.25rem 0 0.75rem;
    scroll-margin-top: 4.5rem;
    scroll-margin-bottom: 1rem;
}

.feed-fields,
.medicine-fields {
    scroll-margin-top: 4.5rem;
    scroll-margin-bottom: 0.5rem;
}

.save-hint {
    margin: 0.5rem 0 0;
    text-align: center;
    font-size: 0.82rem;
    color: var(--muted);
}

.form-extra {
    margin-top: 0.5rem;
    padding: 0.75rem;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.6);
    border: 1px solid #f0e6ec;
}

.form-extra summary {
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--muted);
    list-style: none;
}

.form-extra summary::-webkit-details-marker {
    display: none;
}

.form-extra[open] summary {
    margin-bottom: 0.75rem;
}

.btn-danger {
    background: #fff1f2;
    color: var(--danger);
    border: 1px solid #fecdd3;
    padding: 0.4rem 0.75rem;
    font-size: 0.82rem;
    box-shadow: none;
}

.hint {
    margin: 0 0 1rem;
    font-size: 0.92rem;
    color: var(--muted);
    line-height: 1.65;
    text-align: center;
}

.hint strong {
    color: var(--accent-deep);
    font-weight: 700;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.45rem;
    margin-bottom: 0.75rem;
}

.stats-grid-5 {
    grid-template-columns: repeat(5, 1fr);
}

.stat-item {
    text-align: center;
    padding: 0.65rem 0.25rem;
    border-radius: 12px;
    background: #fff;
    border: 1px solid #f3e8ff;
}

.stat-item .num {
    font-size: 1.35rem;
    font-weight: 800;
    line-height: 1.2;
}

.stat-item .label {
    font-size: 0.75rem;
    color: var(--muted);
    margin-top: 0.15rem;
}

.stat-poop .num { color: var(--poop); }
.stat-pee .num { color: var(--pee); }
.stat-feed .num { color: var(--feed); }
.stat-medicine .num { color: var(--medicine); }
.stat-cry .num { color: var(--cry); }

.stats-feed {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    font-size: 0.82rem;
    color: var(--muted);
    padding: 0.5rem 0.65rem;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 10px;
}

.type-buttons {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.45rem;
    margin-bottom: 1rem;
}

.type-buttons-5 {
    grid-template-columns: repeat(3, 1fr);
}

.type-btn {
    padding: 0.75rem 0.35rem;
    border: 2px solid transparent;
    border-radius: 14px;
    background: #fff;
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    font-family: inherit;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.15rem;
    transition: transform 0.12s, box-shadow 0.12s;
}

.type-btn:active {
    transform: scale(0.96);
}

.type-emoji {
    font-size: 1.35rem;
    line-height: 1;
}

.type-btn[data-type="poop"] { color: var(--poop); }
.type-btn[data-type="pee"] { color: var(--pee); }
.type-btn[data-type="feed"] { color: var(--feed); }
.type-btn[data-type="medicine"] { color: var(--medicine); }
.type-btn[data-type="cry"] { color: var(--cry); }

.type-btn.active {
    border-color: currentColor;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
}

.type-btn.active[data-type="poop"] { background: #fffbeb; }
.type-btn.active[data-type="pee"] { background: #f0f9ff; }
.type-btn.active[data-type="feed"] { background: #ecfdf5; }
.type-btn.active[data-type="medicine"] { background: #f5f3ff; }
.type-btn.active[data-type="cry"] { background: #fff1f2; }

.feed-fields,
.medicine-fields {
    display: none;
    margin-bottom: 1rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.75);
    border-radius: 14px;
    border: 1px dashed #eadce6;
}

.feed-fields.visible,
.medicine-fields.visible {
    display: block;
}

.who-toggle {
    display: flex;
    gap: 0.5rem;
}

.who-option {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.65rem;
    border: 2px solid #eadce6;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 600;
    background: #fff;
}

.who-option input {
    margin: 0;
    margin-right: 0.35rem;
}

.who-option input:checked + .who-label {
    color: var(--medicine);
}

.who-option.is-active {
    border-color: var(--medicine);
    background: #f5f3ff;
}

.med-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
}

.med-chip {
    border: 1px solid #ddd6fe;
    background: #fff;
    color: var(--medicine);
    border-radius: 999px;
    padding: 0.4rem 0.85rem;
    font-size: 0.88rem;
    cursor: pointer;
    font-family: inherit;
}

.feed-fields .row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.record-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.record-item {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.85rem;
    margin-bottom: 0.5rem;
    background: rgba(255, 255, 255, 0.65);
    border-radius: 12px;
    border: 1px solid #f5eef2;
}

.record-item:last-child {
    margin-bottom: 0;
}

.badge {
    display: inline-block;
    padding: 0.2rem 0.55rem;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 700;
    color: #fff;
    flex-shrink: 0;
}

.badge-poop { background: var(--poop); }
.badge-pee { background: var(--pee); }
.badge-feed { background: var(--feed); }
.badge-medicine { background: var(--medicine); }
.badge-cry { background: var(--cry); }

.record-meta {
    font-size: 0.82rem;
    color: var(--muted);
    margin-top: 0.2rem;
}

.record-note {
    font-size: 0.88rem;
    margin-top: 0.25rem;
    color: var(--text);
}

.empty {
    color: var(--muted);
    text-align: center;
    padding: 1.5rem;
}

.inline-form {
    display: inline;
}

.bottom-home-spacer {
    height: 5rem;
    margin: 0;
}

.bottom-home-bar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 0.75rem 1rem calc(0.75rem + env(safe-area-inset-bottom, 0px));
    background: linear-gradient(to top, rgba(255, 245, 247, 0.98) 70%, rgba(255, 245, 247, 0));
    z-index: 20;
}

.btn-back-home {
    max-width: 480px;
    margin: 0 auto;
    display: block;
    font-size: 1.15rem;
    padding: 0.95rem 1.25rem;
    text-decoration: none;
}

@media (max-width: 480px) {
    .stats-grid-5 {
        grid-template-columns: repeat(5, 1fr);
    }

    .stat-item .num {
        font-size: 1.15rem;
    }

    .stat-item .label {
        font-size: 0.68rem;
    }

    .type-buttons-5 {
        grid-template-columns: repeat(3, 1fr);
    }

    .feed-fields .row {
        grid-template-columns: 1fr;
    }

    .nav-btn {
        padding: 0.5rem 0.85rem;
        font-size: 0.92rem;
    }
}