:root {
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --accent-color: #3b82f6;
    --accent-hover: #2563eb;
    --text-main: #f8fafc;
    --text-sub: #94a3b8;
    --border-color: #334155;
    --success-color: #10b981;
    --error-color: #ef4444;
}

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

body {
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    min-height: 100vh;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: flex-start !important;
    padding: 20px 10px;
}

.container {
    background-color: var(--card-bg);
    border-radius: 16px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
    width: 92%;
    /*max-width: 1000px; /* recipe.php と同じ広めの横幅 */
    padding: 32px;
    border: 1px solid var(--border-color);
    margin-top: 10px;
}

h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 24px;
    text-align: center;
    color: #ffffff;
    letter-spacing: 0.5px;
}

h2 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-top: 32px;
    margin-bottom: 16px;
    color: #e2e8f0;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 8px;
}

/* 通知メッセージ */
.alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.alert-success {
    background-color: rgba(16, 185, 129, 0.15);
    color: var(--success-color);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.alert-error {
    background-color: rgba(239, 68, 68, 0.15);
    color: var(--error-color);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

/* フォーム構造 */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 0.85rem;
    color: var(--text-sub);
    font-weight: 600;
}

input[type="text"],
input[type="number"],
select {
    background-color: #0f172a;
    border: 1px solid var(--border-color);
    padding: 12px 14px;
    border-radius: 8px;
    color: var(--text-main);
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.2s;
}

input[type="text"]:focus,
input[type="number"]:focus,
select:focus {
    border-color: var(--accent-color);
}

button.btn-primary {
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: 14px 24px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    width: 100%;
    transition: background-color 0.2s ease, transform 0.1s ease;
}

button.btn-primary:hover {
    background-color: var(--accent-hover);
}

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

/* 検索ボックス（強調スタイル） */
.search-container {
    margin: 24px 0 16px 0;
    position: relative;
}

.search-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.search-icon {
    position: absolute;
    left: 18px;
    font-size: 1.3rem;
    color: #60a5fa;
    pointer-events: none;
    z-index: 2;
}

.search-input-large {
    width: 100%;
    padding: 16px 18px 16px 52px !important;
    font-size: 1.1rem !important;
    font-weight: 500;
    border: 2px solid #3b82f6 !important;
    border-radius: 12px !important;
    background-color: #0f172a !important;
    color: #ffffff !important;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.25) !important;
    transition: all 0.25s ease-in-out;
    box-sizing: border-box;
}

.search-input-large::placeholder {
    color: #94a3b8 !important;
    font-size: 0.98rem;
}

.search-input-large:focus {
    outline: none !important;
    border-color: #60a5fa !important;
    background-color: #1e293b !important;
    box-shadow: 0 0 0 5px rgba(96, 165, 250, 0.35), 0 8px 20px rgba(0, 0, 0, 0.4) !important;
    transform: translateY(-1px);
}

.search-count {
    margin-top: 8px;
    font-size: 0.88rem;
    font-weight: 600;
    color: #93c5fd;
    text-align: right;
    padding-right: 6px;
}

/* データテーブルリスト */
.table-wrapper {
    overflow-x: auto;
    background-color: #0f172a;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

table.data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.9rem;
}

table.data-table th,
table.data-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
}

table.data-table th {
    background-color: rgba(255, 255, 255, 0.05);
    color: #e2e8f0;
    font-weight: 600;
}

table.data-table tr:hover {
    background-color: rgba(255, 255, 255, 0.02);
}

.actions-cell {
    display: flex;
    gap: 12px;
}

.btn-edit {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
}

.btn-edit:hover {
    color: #60a5fa;
    text-decoration: underline;
}

.btn-delete {
    color: var(--error-color);
    text-decoration: none;
    font-weight: 500;
}

.btn-delete:hover {
    color: #f87171;
    text-decoration: underline;
}