/* ============================================
   グローバル設定
   ============================================ */
:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --background: #f8fafc;
    --surface: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* ============================================
   レイアウト
   ============================================ */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ヘッダー */
.header {
    background: var(--surface);
    border-bottom: 1px solid var(--border-color);
    padding: 20px 0;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-title i {
    font-size: 1.8rem;
}

.header-info {
    display: flex;
    align-items: center;
    gap: 20px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--background);
    border-radius: 20px;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* メインコンテンツ */
.main-content {
    padding: 30px 0;
}

/* ============================================
   プログレスステップ
   ============================================ */
.progress-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    padding: 20px;
    background: var(--surface);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    position: relative;
}

.step-number {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--border-color);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 600;
    transition: var(--transition);
}

.step.active .step-number,
.step.completed .step-number {
    background: var(--primary-color);
    color: white;
}

.step.all-active .step-number {
    background: linear-gradient(135deg, var(--primary-color), #3b82f6);
    color: white;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}

.step.completed .step-number::before {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
}

.step.completed .step-number {
    background: var(--success-color);
}

.step-label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    white-space: nowrap;
}

.step.active .step-label {
    color: var(--primary-color);
    font-weight: 600;
}

.step.all-active .step-label {
    color: var(--primary-color);
    font-weight: 600;
}

.step-line {
    width: 150px;
    height: 2px;
    background: var(--border-color);
    margin: 0 20px;
}

/* ============================================
   セクション
   ============================================ */
.section {
    background: var(--surface);
    border-radius: var(--border-radius);
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.section:hover {
    box-shadow: var(--shadow-md);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.section-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-title i {
    color: var(--primary-color);
}

.file-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-color);
    color: white;
    font-size: 0.85rem;
    padding: 4px 12px;
    border-radius: 20px;
    margin-left: 10px;
}

/* ============================================
   番組情報カード
   ============================================ */
.program-info-card {
    background: var(--background);
    border-radius: var(--border-radius);
    padding: 20px;
}

/* 情報セクション */
.info-section {
    margin-bottom: 20px;
    padding: 16px;
    background: var(--surface);
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.info-section:last-child {
    margin-bottom: 0;
}

/* 2カラムレイアウト用のコンテナ */
.info-sections-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
    align-items: start;
}

.info-sections-left,
.info-sections-right {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* セクションの高さを揃える */
.info-section {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.info-section-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border-color);
}

.info-section-title i {
    color: var(--primary-color);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 12px;
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.info-item label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.info-value {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-primary);
    padding: 8px 10px;
    background: var(--background);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

.info-value.deadline {
    color: var(--danger-color);
    font-weight: 600;
    border-color: var(--danger-color);
    background: rgba(239, 68, 68, 0.05);
}

.info-value.deadline i {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* バッジ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 14px;
    border-radius: 16px;
    font-size: 0.85rem;
    font-weight: 500;
    gap: 6px;
}

.badge-info {
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary-color);
}

.badge-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.badge-warning {
    background: rgba(251, 191, 36, 0.1);
    color: var(--warning-color);
}

.badge-secondary {
    background: rgba(100, 116, 139, 0.1);
    color: var(--text-secondary);
}

/* 箱説明 */
.description-content {
    padding: 12px;
    background: var(--background);
    border-radius: 8px;
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 0.9rem;
    border-left: 4px solid var(--primary-color);
}

/* 備考 */
.notes-content {
    padding: 12px;
    background: var(--background);
    border-radius: 8px;
    border-left: 4px solid var(--warning-color);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 0.9rem;
}

/* ============================================
   ファイルアップロードエリア
   ============================================ */
.upload-area {
    border: 3px dashed var(--border-color);
    border-radius: var(--border-radius);
    padding: 60px 40px;
    text-align: center;
    background: var(--background);
    transition: var(--transition);
    cursor: pointer;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background: rgba(37, 99, 235, 0.02);
}

.upload-area.drag-over {
    border-color: var(--primary-color);
    background: rgba(37, 99, 235, 0.05);
    transform: scale(1.01);
}

.upload-icon {
    font-size: 4rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.upload-text {
    margin-bottom: 20px;
}

.upload-main-text {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.upload-sub-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.upload-info {
    margin-top: 20px;
    color: var(--text-secondary);
}

.upload-info i {
    color: var(--success-color);
}

/* アップロード中のファイル */
.uploading-files {
    margin-top: 20px;
}

.uploading-file {
    background: var(--background);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.uploading-file-icon {
    font-size: 2rem;
    color: var(--primary-color);
}

.uploading-file-info {
    flex: 1;
}

.uploading-file-name {
    font-weight: 500;
    margin-bottom: 8px;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.uploading-file-status {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* ============================================
   ファイルリスト
   ============================================ */
.files-list {
    display: grid;
    gap: 16px;
}

.file-card {
    background: var(--background);
    border-radius: var(--border-radius);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 20px;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

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

.file-icon {
    width: 60px;
    height: 60px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary-color), #3b82f6);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.8rem;
    flex-shrink: 0;
}

.file-info {
    flex: 1;
    min-width: 0;
}

.file-name {
    font-weight: 600;
    font-size: 1.05rem;
    margin-bottom: 8px;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.file-meta {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.file-meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.file-meta-item i {
    color: var(--primary-color);
}

.file-status {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 10px;
}

.status-badge {
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.status-badge.pending {
    background: rgba(251, 191, 36, 0.1);
    color: var(--warning-color);
}

.status-badge.approved {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.status-badge.rejected {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

.file-actions {
    display: flex;
    gap: 8px;
}

.btn-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: var(--surface);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.btn-icon:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.btn-icon.delete:hover {
    background: var(--danger-color);
    border-color: var(--danger-color);
}

/* 空の状態 */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.empty-state.hidden {
    display: none;
}

.empty-state i {
    font-size: 4rem;
    margin-bottom: 20px;
    opacity: 0.3;
}

.empty-state p {
    font-size: 1.1rem;
}

/* ============================================
   関連資料
   ============================================ */
.documents-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 20px;
}

.document-card {
    background: var(--background);
    border-radius: var(--border-radius);
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 20px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

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

.document-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: white;
    flex-shrink: 0;
}

.document-icon.cuesheet {
    background: linear-gradient(135deg, #8b5cf6, #a78bfa);
}

.document-icon.record {
    background: linear-gradient(135deg, #10b981, #34d399);
}

.document-info {
    flex: 1;
}

.document-info h3 {
    font-size: 1.1rem;
    margin-bottom: 6px;
    color: var(--text-primary);
}

.document-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.document-status {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
    background: rgba(100, 116, 139, 0.1);
    color: var(--text-secondary);
}

.document-status.created {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.document-actions {
    flex-shrink: 0;
}

/* ============================================
   提出セクション
   ============================================ */
.submit-section {
    background: linear-gradient(135deg, #f8fafc, #e0e7ff);
    border: 2px solid var(--primary-color);
}

.submit-checklist {
    margin-bottom: 24px;
}

.submit-checklist h3 {
    font-size: 1.1rem;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-primary);
}

.checklist-items {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.checklist-text {
    font-size: 0.95rem;
    color: var(--text-primary);
    padding-left: 4px;
}

.submit-actions {
    display: flex;
    gap: 16px;
    justify-content: flex-end;
}

/* ============================================
   ボタン
   ============================================ */
.btn-primary,
.btn-secondary {
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.95rem;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
    white-space: nowrap;
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-primary:disabled {
    background: var(--border-color);
    color: var(--text-secondary);
    cursor: not-allowed;
    opacity: 0.6;
}

.btn-secondary {
    background: var(--surface);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--background);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-large {
    padding: 16px 32px;
    font-size: 1.05rem;
}

/* ============================================
   モーダル
   ============================================ */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    padding: 20px;
    overflow-y: auto;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--surface);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-content.modal-large {
    max-width: 900px;
}

.modal-header {
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    font-size: 1.3rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.modal-close {
    width: 32px;
    height: 32px;
    border-radius: 6px;
    border: none;
    background: var(--background);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--danger-color);
    color: white;
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    padding: 20px 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

.editor-note {
    padding: 12px;
    background: rgba(37, 99, 235, 0.05);
    border-left: 4px solid var(--primary-color);
    border-radius: 6px;
    margin-bottom: 20px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.cuesheet-content,
.record-content {
    min-height: 300px;
}

/* ============================================
   レスポンシブ
   ============================================ */
@media (max-width: 1024px) {
    .info-sections-container {
        grid-template-columns: 1fr;
    }
    
    .info-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .step-line {
        width: 80px;
    }
}

@media (max-width: 768px) {
    .header-title {
        font-size: 1.2rem;
    }
    
    .header-title i {
        font-size: 1.4rem;
    }
    
    .progress-steps {
        padding: 16px;
    }
    
    .step-number {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .step-line {
        width: 40px;
        margin: 0 10px;
    }
    
    .step-label {
        font-size: 0.75rem;
    }
    
    .section {
        padding: 16px;
        margin-bottom: 16px;
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    
    .info-sections-container {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
    }
    
    .file-card {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .file-status {
        width: 100%;
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
    
    .documents-grid {
        grid-template-columns: 1fr;
    }
    
    .submit-actions {
        flex-direction: column;
    }
    
    .submit-actions button {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 12px;
    }
    
    .header-content {
        padding: 0 12px;
    }
    
    .upload-area {
        padding: 40px 20px;
    }
    
    .file-meta {
        flex-direction: column;
        gap: 8px;
    }
}