@charset "UTF-8";

:root {
    --primary: #2aacc0;
    --primary-hover: #228b9b;
    --bg: #f4f7f6;
    --surface: #ffffff;
    --text: #333;
    --border: #e0e0e0;
    --danger: #e74c3c;
}

body {
    font-family: "Helvetica Neue", Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

/* ヘッダー */
.admin-header {
    background: var(--surface);
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    margin-bottom: 30px;
}

.admin-header h1 {
    margin: 0;
    font-size: 1.4rem;
    color: var(--primary);
    letter-spacing: 0.1em;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px 50px;
}

.login-area, .dashboard-area { display: none; }

/* ログイン画面 */
.login-box {
    max-width: 400px;
    margin: 100px auto;
    background: var(--surface);
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    text-align: center;
}

.login-box h2 { color: var(--primary); margin-top: 0; }
.login-box input { margin-bottom: 20px; }

/* ボタン */
.btn {
    padding: 10px 20px;
    border: none;
    cursor: pointer;
    border-radius: 4px;
    font-weight: bold;
    transition: all 0.2s;
    font-size: 0.9rem;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-secondary { background: #95a5a6; color: #fff; }
.btn-sm { padding: 6px 12px; font-size: 0.8rem; }

/* フォーム共通 */
input[type="text"], input[type="password"], input[type="date"], select, textarea { 
    width: 100%; padding: 10px; margin-bottom: 15px; border: 1px solid var(--border); border-radius: 4px; box-sizing: border-box; font-family: inherit;
}
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--primary); }
textarea { height: 150px; resize: vertical; }

.form-panel {
    background: #eef7f8;
    padding: 25px;
    border-radius: 8px;
    margin-bottom: 30px;
}
.form-panel h3 { margin-top: 0; color: var(--primary); margin-bottom: 20px; }
.form-row { display: flex; gap: 15px; }

/* 画像プレビュー */
.img-preview-box {
    margin-bottom: 15px;
}
#imagePreview {
    width: 80px; height: 80px; object-fit: cover; border-radius: 4px; display: none; border: 1px solid #ddd;
}

/* タブ */
.tabs { display: flex; border-bottom: 2px solid var(--border); margin-bottom: 25px; gap: 5px; }
.tab-btn { padding: 12px 25px; background: none; border: none; cursor: pointer; font-size: 1rem; color: #777; font-weight: bold; border-radius: 6px 6px 0 0; transition: all 0.2s; }
.tab-btn:hover { color: var(--primary); background: #f0f0f0; }
.tab-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.panel { display: none; animation: fadeIn 0.3s ease; }
.panel.active { display: block; }

@keyframes fadeIn { from { opacity: 0; transform: translateY(5px); } to { opacity: 1; transform: translateY(0); } }

/* リストアイテム */
.list-item { background: var(--surface); padding: 15px 20px; border: 1px solid var(--border); margin-bottom: 10px; display: flex; justify-content: space-between; align-items: center; border-radius: 6px; transition: transform 0.2s, box-shadow 0.2s; }
.list-item:hover { transform: translateY(-2px); box-shadow: 0 4px 10px rgba(0,0,0,0.05); }
.list-info { flex: 1; display: flex; align-items: center; gap: 15px; }
.controls { display: flex; gap: 5px; }

/* トースト通知 */
#toast {
    position: fixed; bottom: 30px; right: 30px; background: #333; color: #fff; padding: 12px 25px; border-radius: 4px; box-shadow: 0 4px 12px rgba(0,0,0,0.15); transform: translateY(100px); opacity: 0; transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55); z-index: 1000; font-weight: bold;
}
#toast.show { transform: translateY(0); opacity: 1; }