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

:root {
    --bg: #FBF7F0;
    --card-bg: #FFFFFF;
    --primary: #D4973A;
    --primary-dark: #B07828;
    --primary-light: #FDF3E5;
    --accent: #8B5E3C;
    --accent-light: #F8ECE0;
    --text: #3C3C3C;
    --text-light: #7A7A7A;
    --text-muted: #AAAAAA;
    --border: #E8DCC8;
    --danger: #C46868;
    --danger-light: #FDECEC;
    --success: #8BA870;
    --success-light: #EEF5E8;
    --info: #8BA3B4;
    --info-light: #EDF2F6;
    --warning: #D4A853;
    --warning-light: #FFF8E1;
    --shadow: 0 2px 12px rgba(0,0,0,0.06);
    --shadow-hover: 0 4px 20px rgba(0,0,0,0.1);
    --radius: 12px;
    --radius-sm: 8px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft JhengHei", "微軟正黑體", sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.navbar {
    background: var(--card-bg);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 4px rgba(0,0,0,0.04);
}

.nav-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px;
    flex-wrap: wrap;
    gap: 8px;
}

.nav-logo {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-dark);
    text-decoration: none;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-img {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary);
    flex-shrink: 0;
}

.nav-logo:hover { color: var(--primary); }

.nav-links {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
}

.nav-links a {
    padding: 6px 14px;
    border-radius: 20px;
    text-decoration: none;
    color: var(--text);
    font-size: 0.95rem;
    transition: all 0.2s;
    white-space: nowrap;
}

.nav-links a:hover {
    background: var(--primary-light);
    color: var(--primary-dark);
}

.nav-links a.active {
    background: var(--primary);
    color: #fff;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 24px 20px 60px;
    flex: 1;
    width: 100%;
}

.flash-messages {
    margin-bottom: 20px;
}

.flash {
    padding: 12px 18px;
    border-radius: var(--radius-sm);
    margin-bottom: 8px;
    font-size: 0.95rem;
    animation: slideDown 0.3s ease;
}

.flash-success { background: var(--success-light); color: var(--success); border: 1px solid #C8E6C9; }
.flash-info { background: var(--info-light); color: var(--info); border: 1px solid #BBDEFB; }
.flash-error { background: var(--danger-light); color: var(--danger); border: 1px solid #FFCDD2; }

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.welcome-banner {
    text-align: center;
    padding: 40px 20px;
    margin-bottom: 28px;
    background: linear-gradient(135deg, var(--primary-light), var(--accent-light));
    border-radius: var(--radius);
}

.welcome-banner h1 {
    font-size: 2rem;
    color: var(--primary-dark);
    margin-bottom: 8px;
}

.welcome-banner p {
    color: var(--text-light);
    font-size: 1.1rem;
}

.welcome-img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--primary);
    margin-bottom: 16px;
    box-shadow: var(--shadow);
}

.page-header {
    margin-bottom: 24px;
}

.page-header h1 {
    font-size: 1.8rem;
    color: var(--text);
    margin-bottom: 4px;
}

.page-header p {
    color: var(--text-light);
}

.card {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 24px;
    margin-bottom: 20px;
}

.card h2 {
    font-size: 1.2rem;
    color: var(--text);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}

.stat-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 16px;
    text-decoration: none;
    color: var(--text);
    transition: all 0.2s;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.stat-icon { font-size: 2rem; }

.stat-number {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-dark);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-light);
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.dashboard-section h2 {
    font-size: 1.15rem;
    margin-bottom: 12px;
    color: var(--text);
}

.record-list {
    list-style: none;
}

.record-item {
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.record-item:last-child { border-bottom: none; }

.record-date {
    font-size: 0.85rem;
    color: var(--text-muted);
    min-width: 42px;
}

.record-detail {
    font-weight: 500;
}

.record-note {
    font-size: 0.85rem;
    color: var(--text-light);
    flex-basis: 100%;
    margin-top: 2px;
}

.record-tag {
    font-size: 0.8rem;
    padding: 2px 8px;
    border-radius: 12px;
    background: var(--primary-light);
    color: var(--primary-dark);
}

.record-status {
    font-size: 0.8rem;
    padding: 2px 8px;
    border-radius: 12px;
}

.status-good {
    background: var(--success-light);
    color: var(--success);
}

.status-warn {
    background: var(--warning-light);
    color: #B8860B;
}

.empty-hint {
    color: var(--text-muted);
    text-align: center;
    padding: 20px;
}

.empty-hint a {
    color: var(--primary);
    text-decoration: underline;
}

.record-form {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.form-row {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.form-group {
    flex: 1;
    min-width: 160px;
}

.form-group-sm { flex: 0.5; min-width: 100px; }
.form-group-full { flex: 1 1 100%; }
.form-group-half { flex: 1; min-width: 200px; }

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--text);
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="number"],
.form-group input[type="date"],
.form-group input[type="file"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-family: inherit;
    color: var(--text);
    background: #FAFAFA;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(107, 143, 113, 0.15);
    background: #fff;
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%237A7A7A' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.btn {
    padding: 10px 24px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
    align-self: flex-start;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.btn-danger {
    background: var(--danger);
    color: #fff;
}

.btn-danger:hover {
    background: #B05050;
}

.btn-sm {
    padding: 4px 12px;
    font-size: 0.8rem;
    border-radius: 16px;
}

.record-cards {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.record-card {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 14px 16px;
    transition: box-shadow 0.2s;
}

.record-card:hover { box-shadow: var(--shadow); }

.record-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.record-card-date {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
}

.record-card-body h3 {
    font-size: 1.05rem;
    margin-bottom: 6px;
}

.record-badge {
    display: inline-block;
    padding: 3px 10px;
    background: var(--primary-light);
    color: var(--primary-dark);
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-right: 8px;
}

.record-quantity {
    font-weight: 600;
    color: var(--text);
}

.record-vet {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-left: 8px;
}

.record-card-note {
    margin-top: 8px;
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.5;
}

.text-muted { color: var(--text-muted) !important; }

.delete-form {
    display: inline;
}

.photo-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
}

.photo-card {
    background: var(--card-bg);
    border-radius: var(--radius-sm);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.2s, box-shadow 0.2s;
}

.photo-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.photo-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    cursor: pointer;
    display: block;
}

.photo-info {
    padding: 10px 14px;
}

.photo-info-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.photo-caption {
    margin-top: 6px;
    font-size: 0.9rem;
    color: var(--text-light);
}

.photo-preview {
    margin-top: 10px;
    max-width: 300px;
    max-height: 300px;
    border-radius: var(--radius-sm);
    object-fit: cover;
    border: 2px solid var(--border);
}

.lightbox {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.85);
    z-index: 999;
    justify-content: center;
    align-items: center;
    cursor: pointer;
}

.lightbox img {
    max-width: 90%;
    max-height: 90%;
    border-radius: 8px;
    object-fit: contain;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 40px;
    color: #fff;
    cursor: pointer;
    z-index: 1000;
}

.footer {
    text-align: center;
    padding: 20px;
    color: var(--text-muted);
    font-size: 0.85rem;
    border-top: 1px solid var(--border);
    margin-top: auto;
}

.login-card {
    max-width: 400px;
    margin: 0 auto;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.btn-full {
    width: 100%;
    align-self: stretch;
    padding: 12px;
    font-size: 1rem;
}

.nav-logout {
    color: var(--danger) !important;
    font-weight: 500;
}

.nav-logout:hover {
    background: var(--danger-light) !important;
    color: var(--danger) !important;
}

@media (max-width: 768px) {
    .nav-container {
        height: auto;
        padding: 12px 16px;
    }

    .nav-links {
        justify-content: center;
        width: 100%;
    }

    .nav-links a {
        padding: 6px 10px;
        font-size: 0.85rem;
    }

    .welcome-banner h1 { font-size: 1.5rem; }
    .welcome-banner { padding: 28px 16px; }

    .container { padding: 16px 12px 40px; }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .stat-card { padding: 14px; gap: 10px; }
    .stat-icon { font-size: 1.5rem; }
    .stat-number { font-size: 1.4rem; }

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

    .form-row { flex-direction: column; }
    .form-group { min-width: 100%; }
    .form-group-sm { flex: 1; }

    .photo-gallery {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 10px;
    }

    .photo-card img { height: 160px; }

    .record-card-header { flex-wrap: wrap; gap: 8px; }
}