/* ============================================================
   ItonobaWorks Concierge System - 共通スタイル
   ============================================================ */

:root {
    --primary: #1e40af;
    --primary-hover: #1e3a8a;
    --primary-light: #dbeafe;
    --success: #059669;
    --success-light: #d1fae5;
    --warning: #d97706;
    --warning-light: #fef3c7;
    --danger: #dc2626;
    --danger-light: #fee2e2;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --radius: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--gray-800);
    background: var(--gray-50);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ============================================================
   共通コンポーネント
   ============================================================ */

/* ページコンテナ */
.page-container {
    max-width: 640px;
    margin: 0 auto;
    padding: 20px 16px 40px;
}
.page-container.wide {
    max-width: 960px;
}

/* ページヘッダー */
.page-header {
    text-align: center;
    padding: 30px 0 20px;
}
.page-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 6px;
}
.page-header p {
    color: var(--gray-500);
    font-size: 0.95rem;
}
.page-header .brand {
    font-size: 0.8rem;
    color: var(--gray-400);
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 8px;
}

/* カード */
.card {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 16px;
    box-shadow: var(--shadow);
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.card-title .required {
    color: var(--danger);
    font-weight: 700;
}
.card-subtitle {
    font-size: 0.85rem;
    color: var(--gray-500);
    margin-bottom: 16px;
}

/* フォーム要素 */
.form-group {
    margin-bottom: 16px;
}
.form-group:last-child {
    margin-bottom: 0;
}
.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 6px;
}
.form-label .required {
    color: var(--danger);
    margin-left: 2px;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--gray-300);
    border-radius: 6px;
    font-size: 0.95rem;
    color: var(--gray-800);
    background: #fff;
    transition: border-color 0.2s, box-shadow 0.2s;
    font-family: inherit;
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(30,64,175,0.1);
}
.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--gray-400);
}
.form-textarea {
    min-height: 100px;
    resize: vertical;
}
.form-input-row,
.form-row {
    display: flex;
    gap: 10px;
}
.form-input-row > *,
.form-row > * {
    flex: 1;
}

/* ラジオボタン・チェックボックスのグリッド */
.option-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.option-item {
    position: relative;
}
.option-item input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}
.option-item label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border: 1px solid var(--gray-300);
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--gray-700);
    background: #fff;
    transition: all 0.15s;
    user-select: none;
}
.option-item label:hover {
    border-color: var(--primary);
    background: var(--primary-light);
}
.option-item input:checked + label {
    border-color: var(--primary);
    background: var(--primary-light);
    color: var(--primary);
    font-weight: 500;
}
.option-item label .dot {
    width: 16px;
    height: 16px;
    border: 2px solid var(--gray-300);
    border-radius: 50%;
    display: inline-block;
    transition: all 0.15s;
}
.option-item input:checked + label .dot {
    border-color: var(--primary);
    background: var(--primary);
    box-shadow: inset 0 0 0 3px #fff;
}
.option-item label .check-box {
    width: 16px;
    height: 16px;
    border: 2px solid var(--gray-300);
    border-radius: 3px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
    font-size: 10px;
    color: transparent;
}
.option-item input:checked + label .check-box {
    border-color: var(--primary);
    background: var(--primary);
    color: #fff;
}

/* ボタン */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
    text-decoration: none;
}
.btn:hover { text-decoration: none; }
.btn-primary {
    background: var(--primary);
    color: #fff;
}
.btn-primary:hover {
    background: var(--primary-hover);
}
.btn-success {
    background: var(--success);
    color: #fff;
}
.btn-success:hover {
    background: #047857;
}
.btn-danger {
    background: var(--danger);
    color: #fff;
}
.btn-outline {
    background: #fff;
    color: var(--gray-700);
    border: 1px solid var(--gray-300);
}
.btn-outline:hover {
    background: var(--gray-50);
    border-color: var(--gray-400);
}
.btn-sm {
    padding: 6px 14px;
    font-size: 0.85rem;
}
.btn-lg {
    padding: 14px 36px;
    font-size: 1.1rem;
}
.btn-block {
    display: flex;
    width: 100%;
}
.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ステータスバッジ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 10px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}
.badge-new { background: var(--primary-light); color: var(--primary); }
.badge-ranked { background: #ede9fe; color: #7c3aed; }
.badge-converted { background: var(--success-light); color: var(--success); }
.badge-closed { background: var(--gray-200); color: var(--gray-500); }
.badge-unpaid { background: var(--warning-light); color: var(--warning); }
.badge-paid { background: var(--success-light); color: var(--success); }
.badge-done { background: #dbeafe; color: #1d4ed8; }
.badge-cancelled { background: var(--danger-light); color: var(--danger); }
.badge-pending { background: var(--warning-light); color: var(--warning); }
.badge-selected { background: var(--success-light); color: var(--success); }
.badge-A { background: #fee2e2; color: #dc2626; }
.badge-B { background: #fef3c7; color: #d97706; }
.badge-C { background: #dbeafe; color: #1d4ed8; }

/* 通知バッジ */
.unread-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    border-radius: 999px;
    background: var(--danger);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
}

/* テーブル */
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}
.data-table th {
    text-align: left;
    padding: 10px 12px;
    border-bottom: 2px solid var(--gray-200);
    color: var(--gray-500);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    white-space: nowrap;
}
.data-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--gray-100);
    vertical-align: middle;
}
.data-table tr:hover td {
    background: var(--gray-50);
}
.data-table .cancelled td {
    opacity: 0.5;
    text-decoration: line-through;
}

/* アラート */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: 16px;
    font-size: 0.9rem;
}
.alert-success { background: var(--success-light); color: #065f46; border: 1px solid #a7f3d0; }
.alert-warning { background: var(--warning-light); color: #92400e; border: 1px solid #fde68a; }
.alert-danger { background: var(--danger-light); color: #991b1b; border: 1px solid #fecaca; }
.alert-info { background: var(--primary-light); color: #1e40af; border: 1px solid #93c5fd; }

/* フッター */
.page-footer {
    text-align: center;
    padding: 30px 0 20px;
    color: var(--gray-400);
    font-size: 0.85rem;
    border-top: 1px solid var(--gray-200);
    margin-top: 30px;
}
.page-footer strong {
    color: var(--gray-600);
    font-weight: 600;
}

/* チャット */
.chat-container {
    max-height: 400px;
    overflow-y: auto;
    padding: 16px;
    background: var(--gray-50);
    border-radius: var(--radius);
    margin-bottom: 12px;
}
.chat-msg {
    margin-bottom: 12px;
    max-width: 80%;
}
.chat-msg.admin {
    margin-left: auto;
}
.chat-msg .bubble {
    padding: 10px 14px;
    border-radius: 12px;
    font-size: 0.9rem;
    line-height: 1.5;
    word-break: break-word;
    white-space: pre-wrap;
}
.chat-msg.customer .bubble {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-bottom-left-radius: 4px;
}
.chat-msg.admin .bubble {
    background: var(--primary);
    color: #fff;
    border-bottom-right-radius: 4px;
}
.chat-msg .meta {
    font-size: 0.75rem;
    color: var(--gray-400);
    margin-top: 4px;
}
.chat-msg.admin .meta {
    text-align: right;
}
.chat-input-row {
    display: flex;
    gap: 8px;
    align-items: flex-end;
}
.chat-input-row input,
.chat-input-row textarea {
    flex: 1;
}

/* ステップナビ（intake.php用） */
.step-nav {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0;
    margin-bottom: 24px;
    padding: 16px 0;
}
.step-dot {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--gray-400);
    font-weight: 500;
    white-space: nowrap;
}
.step-dot .dot {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--gray-200);
    color: var(--gray-500);
    font-size: 0.82rem;
    font-weight: 700;
    transition: all 0.3s;
    flex-shrink: 0;
}
.step-dot .step-label {
    transition: color 0.3s;
}
.step-dot.active {
    color: var(--primary);
}
.step-dot.active .dot {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 0 0 4px rgba(30,64,175,0.15);
}
.step-dot.completed {
    color: var(--success);
}
.step-dot.completed .dot {
    background: var(--success);
    color: #fff;
}
.step-line {
    flex: 1;
    height: 2px;
    background: var(--gray-200);
    margin: 0 12px;
    min-width: 24px;
    max-width: 60px;
    border-radius: 1px;
    transition: background 0.3s;
}
.step-line.active {
    background: var(--success);
}
@media (max-width: 400px) {
    .step-dot .step-label { display: none; }
    .step-line { min-width: 16px; margin: 0 8px; }
}

/* 戻るリンク */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.88rem;
    color: var(--gray-500);
    cursor: pointer;
    margin-bottom: 16px;
    padding: 4px 0;
    transition: color 0.2s;
}
.back-link:hover {
    color: var(--primary);
    text-decoration: none;
}

/* ============================================================
   レスポンシブ
   ============================================================ */
@media (max-width: 640px) {
    .page-header h1 {
        font-size: 1.4rem;
    }
    .card {
        padding: 16px;
    }
    .form-input-row,
    .form-row {
        flex-direction: column;
    }
    .option-grid {
        gap: 6px;
    }
    .option-item label {
        padding: 6px 12px;
        font-size: 0.85rem;
    }
    .data-table {
        font-size: 0.8rem;
    }
    .data-table th,
    .data-table td {
        padding: 8px;
    }
}