:root {
    --primary: #2c3e50;
    --primary-dark: #1a252f;
    --accent: #4a6fa5;
    --accent-hover: #2c3e50;
    --bg: #f5f5f5;
    --card-bg: #ffffff;
    --text: #333333;
    --text-muted: #666666;
    --border: #dddddd;
}

[data-theme="dark"] {
    --primary: #1a1a2e;
    --primary-dark: #0f0f1a;
    --accent: #4a90d9;
    --accent-hover: #357abd;
    --bg: #121212;
    --card-bg: #1e1e1e;
    --text: #e0e0e0;
    --text-muted: #aaaaaa;
    --border: #333333;
}

[data-theme="navy"] {
    --primary: #0a1628;
    --primary-dark: #050d1a;
    --accent: #1e88e5;
    --accent-hover: #1565c0;
    --bg: #0d2137;
    --card-bg: #112840;
    --text: #e8f4fd;
    --text-muted: #90caf9;
    --border: #1e3a5f;
}

[data-theme="green"] {
    --primary: #1b5e20;
    --primary-dark: #0a3d0a;
    --accent: #388e3c;
    --accent-hover: #2e7d32;
    --bg: #f1f8e9;
    --card-bg: #ffffff;
    --text: #1b5e20;
    --text-muted: #558b2f;
    --border: #c5e1a5;
}

[data-theme="brown"] {
    --primary: #3e2723;
    --primary-dark: #1a0000;
    --accent: #795548;
    --accent-hover: #5d4037;
    --bg: #fdf6f0;
    --card-bg: #ffffff;
    --text: #3e2723;
    --text-muted: #795548;
    --border: #d7ccc8;
}

[data-theme="purple"] {
    --primary: #2d1b69;
    --primary-dark: #1a0a4a;
    --accent: #7b1fa2;
    --accent-hover: #6a1b9a;
    --bg: #f3e5f5;
    --card-bg: #ffffff;
    --text: #2d1b69;
    --text-muted: #7b1fa2;
    --border: #ce93d8;
}

[data-theme="pink"] {
    --primary: #880e4f;
    --primary-dark: #560027;
    --accent: #e91e63;
    --accent-hover: #c2185b;
    --bg: #fce4ec;
    --card-bg: #ffffff;
    --text: #880e4f;
    --text-muted: #ad1457;
    --border: #f48fb1;
}

[data-theme="yellow"] {
    --primary: #f57f17;
    --primary-dark: #bc5100;
    --accent: #f9a825;
    --accent-hover: #f57f17;
    --bg: #fffde7;
    --card-bg: #ffffff;
    --text: #333333;
    --text-muted: #666666;
    --border: #ffe082;
}

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

body {
    font-family: 'Meiryo', sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 13px;
}

header {
    background: var(--primary);
    color: white;
    padding: 8px 16px;
    display: flex;
    align-items: center;
    gap: 16px;
}

header h1 {
    font-size: 16px;
}

nav button {
    background: var(--primary-dark);
    color: white;
    border: none;
    padding: 6px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
}

nav button:hover {
    background: var(--accent);
}

main {
    padding: 12px 16px;
    max-width: 1200px;
    margin: 0 auto;
}

h2 {
    margin-bottom: 8px;
    font-size: 15px;
}

h3 {
    font-size: 13px;
    margin: 10px 0 6px;
}

.form-box {
    background: var(--card-bg);
    padding: 10px;
    border-radius: 6px;
    margin-bottom: 8px;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    align-items: flex-start;
}

.form-box input,
.form-box select {
    padding: 5px 8px;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 13px;
    background: var(--card-bg);
    color: var(--text);
}

.form-box button {
    background: var(--accent);
    color: white;
    border: none;
    padding: 5px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
}

.form-box button:hover {
    background: var(--accent-hover);
}

.card {
    background: var(--card-bg);
    padding: 8px 12px;
    border-radius: 6px;
    margin-bottom: 6px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.card h3 {
    font-size: 14px;
    margin-bottom: 4px;
}

.card p {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 2px;
}

.card-actions {
    margin-top: 6px;
    display: flex;
    gap: 6px;
}

.btn-delete {
    background: #e74c3c;
    color: white;
    border: none;
    padding: 3px 8px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
}

.btn-detail {
    background: var(--accent);
    color: white;
    border: none;
    padding: 3px 8px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
}

.btn-back {
    background: #95a5a6;
    color: white;
    border: none;
    padding: 5px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
    margin-bottom: 8px;
}

.photo-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 8px;
}

.photo-item {
    position: relative;
}

.photo-item img {
    width: 120px;
    height: 90px;
    object-fit: cover;
    border-radius: 6px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
    cursor: pointer;
}

.photo-item .btn-delete {
    position: absolute;
    top: 2px;
    right: 2px;
    padding: 2px 6px;
    font-size: 10px;
}

.bulk-row {
    background: var(--card-bg);
    padding: 10px;
    border-radius: 6px;
    margin-bottom: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.bulk-row-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
    font-weight: bold;
    color: var(--text);
    font-size: 13px;
}