:root {
            --bg: #fff7fa;
            --card-bg: rgba(255, 255, 255, 0.88);
            --surface-solid: #ffffff;
            --primary: #d55b89;
            --primary-hover: #bc3e70;
            --primary-soft: #fff0f6;
            --primary-pale: #fbd7e5;
            --secondary: #84536a;
            --success: #2fa479;
            --danger: #d95766;
            --text: #382431;
            --text-secondary: #79606d;
            --border: #f1dce5;
            --script-bg: #fffafb;
            --todo-bg: #fff5f8;
            --shadow: 0 8px 24px rgba(130, 67, 95, 0.07);
            --shadow-lg: 0 20px 50px rgba(130, 67, 95, 0.14);
            --radius: 20px;
            --radius-sm: 12px;
            --transition: 0.22s ease;
        }

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

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            background:
                radial-gradient(circle at 6% 5%, rgba(250, 202, 220, 0.58) 0, rgba(250, 202, 220, 0) 26rem),
                radial-gradient(circle at 98% 25%, rgba(253, 224, 233, 0.85) 0, rgba(253, 224, 233, 0) 29rem),
                linear-gradient(135deg, #fff8fa 0%, #fff4f8 46%, #fdf8ff 100%);
            min-height: 100vh;
            color: var(--text);
            line-height: 1.6;
            padding: 28px 20px 48px;
        }

        .container {
            max-width: 960px;
            margin: 0 auto;
        }

        /* Header */
        .app-header {
            text-align: center;
            padding: 26px 20px 28px;
        }

        .brand-line {
            display: inline-flex;
            align-items: center;
            gap: 9px;
            color: var(--primary);
            font-size: 0.73rem;
            font-weight: 800;
            letter-spacing: 0.13em;
            text-transform: uppercase;
            margin-bottom: 13px;
        }

        .brand-mark {
            display: grid;
            place-items: center;
            width: 30px;
            height: 30px;
            border-radius: 10px;
            color: #fff;
            font-size: 0.95rem;
            background: linear-gradient(135deg, #ee8fb4, var(--primary));
            box-shadow: 0 7px 16px rgba(213, 91, 137, 0.28);
        }

        .app-header h1 {
            font-size: clamp(2rem, 5vw, 3.1rem);
            font-weight: 800;
            letter-spacing: -0.055em;
            background: linear-gradient(110deg, #c24173 5%, #e78eaf 55%, #ba6c91 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 10px;
        }

        .app-header .subtitle {
            color: var(--text-secondary);
            font-size: 0.98rem;
            font-weight: 500;
            max-width: 560px;
            margin: 0 auto;
        }

        .app-header .subtitle strong {
            color: var(--primary);
        }

        /* Steps */
        .steps-container {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            justify-content: center;
            margin: 0 auto 24px;
            max-width: 790px;
        }

        .step-badge {
            background: rgba(255, 255, 255, 0.66);
            border: 1px solid var(--border);
            border-radius: 50px;
            padding: 7px 12px 7px 7px;
            font-size: 0.76rem;
            font-weight: 700;
            color: var(--secondary);
            display: flex;
            align-items: center;
            gap: 6px;
            box-shadow: 0 3px 12px rgba(130, 67, 95, 0.04);
            transition: var(--transition);
        }

        .step-badge .step-num {
            background: linear-gradient(135deg, #ee94b7, var(--primary));
            color: white;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.68rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        /* API Key Section */
        .api-key-section {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 23px 26px;
            margin-bottom: 20px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            backdrop-filter: blur(12px);
        }

        .api-key-section label {
            display: block;
            font-weight: 750;
            font-size: 0.92rem;
            margin-bottom: 8px;
            color: var(--text);
        }

        .api-key-row {
            display: flex;
            gap: 11px;
        }

        .api-key-row input {
            flex: 1;
            padding: 12px 14px;
            border: 1.5px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-family: 'Inter', monospace;
            transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
            outline: none;
            color: var(--text);
            background: rgba(255, 255, 255, 0.8);
        }

        .api-key-row input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(213, 91, 137, 0.13);
            background: #fff;
        }

        .api-key-row button {
            padding: 11px 18px;
            background: linear-gradient(135deg, #e875a3, var(--primary));
            color: white;
            border: none;
            border-radius: 11px;
            font-weight: 700;
            font-size: 0.85rem;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }

        .api-key-row button:hover {
            background: linear-gradient(135deg, #df6796, var(--primary-hover));
            transform: translateY(-1px);
        }

        .api-hint {
            font-size: 0.78rem;
            color: var(--text-secondary);
            margin-top: 6px;
        }

        .api-hint a {
            color: var(--primary-hover);
            text-decoration: none;
            font-weight: 500;
        }

        .api-hint a:hover {
            text-decoration: underline;
        }

        .api-guide {
            margin-top: 14px;
            padding: 12px 15px;
            border: 1px solid #f4dbe6;
            border-radius: 13px;
            background: linear-gradient(110deg, #fff7fa, #fffdfd);
        }

        .api-guide summary {
            cursor: pointer;
            color: var(--secondary);
            font-size: 0.82rem;
            font-weight: 700;
            user-select: none;
        }

        .api-guide ol {
            margin: 9px 0 0 20px;
            font-size: 0.8rem;
            line-height: 1.85;
        }

        .api-guide a {
            color: var(--primary-hover);
            font-weight: 700;
        }

        .api-guide-note {
            margin-top: 9px;
            padding: 8px 10px;
            border-left: 3px solid #eb92b3;
            border-radius: 7px;
            background: #fff0f5;
            color: #754a5c;
            font-size: 0.78rem;
        }

        /* Upload Area */
        .upload-section {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 26px;
            margin-bottom: 20px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }

        .upload-zone {
            border: 1.5px dashed #e8adc2;
            border-radius: 16px;
            padding: 42px 20px;
            text-align: center;
            cursor: pointer;
            transition: var(--transition);
            background: linear-gradient(135deg, #fffafd, #fff5f8);
            position: relative;
        }

        .upload-zone:hover,
        .upload-zone.drag-over {
            border-color: var(--primary);
            background: #fff0f6;
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(213, 91, 137, 0.08);
        }

        .upload-zone .upload-icon {
            display: grid;
            place-items: center;
            width: 62px;
            height: 62px;
            margin: 0 auto 14px;
            border-radius: 20px;
            font-size: 1.8rem;
            background: #fff;
            box-shadow: 0 8px 20px rgba(213, 91, 137, 0.12);
        }

        .upload-zone .upload-text {
            font-weight: 750;
            font-size: 1.05rem;
            color: var(--text);
        }

        .upload-zone .upload-subtext {
            font-size: 0.82rem;
            color: var(--text-secondary);
            margin-top: 4px;
        }

        .upload-zone input[type="file"] {
            position: absolute;
            inset: 0;
            opacity: 0;
            cursor: pointer;
        }

        /* File Info */
        .file-info {
            display: none;
            margin-top: 16px;
            padding: 16px;
            background: #fff7fa;
            border: 1px solid #f4d7e3;
            border-radius: 14px;
        }

        .file-info.show {
            display: block;
        }

        .file-info .file-name {
            font-weight: 600;
            color: var(--text);
            word-break: break-all;
        }

        .file-info .file-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 6px;
            font-size: 0.85rem;
            color: var(--text-secondary);
        }

        .file-info .file-status {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            margin-top: 8px;
            font-weight: 700;
            color: var(--success);
            font-size: 0.9rem;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 22px;
            border: none;
            border-radius: 12px;
            font-weight: 700;
            font-size: 0.95rem;
            cursor: pointer;
            transition: var(--transition);
            font-family: inherit;
        }

        .btn:disabled {
            opacity: 0.5;
            cursor: not-allowed;
        }

        .btn-primary {
            background: linear-gradient(110deg, #e875a3 0%, var(--primary) 52%, #bd4676 100%);
            color: white;
            box-shadow: 0 9px 20px rgba(213, 91, 137, 0.25);
            width: 100%;
            font-size: 1rem;
            padding: 15px 24px;
        }

        .btn-primary:hover:not(:disabled) {
            box-shadow: 0 13px 26px rgba(213, 91, 137, 0.33);
            transform: translateY(-1px);
        }

        .btn-outline {
            background: rgba(255, 255, 255, 0.85);
            color: var(--primary);
            border: 1.5px solid #e7aac0;
        }

        .btn-outline:hover:not(:disabled) {
            background: #fff0f6;
        }

        .btn-danger-outline {
            background: white;
            color: var(--danger);
            border: 1.5px solid #efaeb6;
        }

        .btn-danger-outline:hover:not(:disabled) {
            background: #fff2f4;
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 0.85rem;
        }

        .btn-copy {
            background: #fff0f6;
            color: var(--primary-hover);
            border: 1px solid #f2c6d6;
            color: white;
            padding: 8px 16px;
            font-size: 0.85rem;
        }

        .btn-copy:hover:not(:disabled) {
            background: var(--primary);
            color: #fff;
        }

        .btn-copy.copied {
            background: var(--success);
            color: #fff;
        }

        .action-row {
            display: flex;
            gap: 10px;
            margin-top: 16px;
            flex-wrap: wrap;
        }

        .action-row .btn {
            flex: 1;
            min-width: 140px;
        }

        /* Loading */
        .loading-overlay {
            display: none;
            text-align: center;
            padding: 40px 20px;
            background: var(--card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            margin-bottom: 20px;
        }

        .loading-overlay.show {
            display: block;
        }

        .spinner {
            width: 48px;
            height: 48px;
            border: 4px solid var(--border);
            border-top-color: var(--primary);
            border-radius: 50%;
            animation: spin 0.8s linear infinite;
            margin: 0 auto 16px;
        }

        @keyframes spin {
            to {
                transform: rotate(360deg);
            }
        }

        .loading-text {
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--text);
        }

        .loading-subtext {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-top: 4px;
        }

        /* Results */
        .results-container {
            display: none;
        }

        .results-container.show {
            display: block;
        }

        .result-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 36px 20px;
            margin-bottom: 20px;
            box-shadow: var(--shadow);
            border: 4px solid #f7dce7;
        }

        .result-card .card-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--border);
        }

        .result-card .card-header h2 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text);
        }

        .script-content {
            background: var(--script-bg);
            border-top-color: var(--primary);
            border-radius: var(--radius-sm);
            padding: 16px;
            max-height: 400px;
            overflow-y: auto;
            white-space: pre-wrap;
            font-size: 0.9rem;
            line-height: 1.7;
            color: var(--text);
        }

        /* Takeaways Section */
        .takeaways-content {
            background: #ffffff;
            border-radius: var(--radius-sm);
            padding: 18px 20px;
            font-size: 0.95rem;
            line-height: 1.75;
            color: var(--text);
            border: 1px solid #f1dce5;
        }

        .takeaway-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin: 0;
            padding: 0;
        }

        .takeaway-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 12px 14px;
            background: linear-gradient(135deg, #fffafc 0%, #fff6f9 100%);
            border-radius: 10px;
            border-left: 4px solid var(--primary);
            box-shadow: 0 2px 6px rgba(213, 91, 137, 0.04);
            transition: var(--transition);
        }

        .takeaway-item:hover {
            transform: translateX(3px);
            background: #fff0f6;
        }

        .takeaway-icon {
            font-size: 1.1rem;
            flex-shrink: 0;
            margin-top: 1px;
        }

        .takeaway-text {
            flex: 1;
            color: #334155;
            font-weight: 500;
        }

        .takeaway-text strong {
            color: #1e293b;
        }

        /* Todo List */
        .card-header-titles {
            display: flex;
            flex-direction: column;
            gap: 3px;
        }

        .card-subtitle-badge {
            font-size: 0.74rem;
            font-weight: 800;
            color: #64748b;
            letter-spacing: 0.08em;
            text-transform: uppercase;
        }

        .todo-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .todo-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 16px 18px;
            background: #ffffff;
            border: 1.5px solid #f0dde5;
            border-radius: 14px;
            transition: all 0.22s ease;
            box-shadow: 0 2px 8px rgba(130, 67, 95, 0.03);
            position: relative;
        }

        .todo-item:hover {
            border-color: #eab4ca;
            box-shadow: 0 6px 18px rgba(130, 67, 95, 0.08);
            transform: translateY(-1px);
        }

        .todo-item.completed {
            background: #fbfbfd;
            border-color: #e5e7eb;
            opacity: 0.75;
        }

        .todo-item.completed .todo-task-text {
            text-decoration: line-through;
            color: #94a3b8;
        }

        .todo-checkbox {
            width: 22px;
            height: 22px;
            border: 2px solid #cbd5e1;
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            flex-shrink: 0;
            transition: var(--transition);
            margin-top: 3px;
            background: white;
        }

        .todo-checkbox:hover {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(213, 91, 137, 0.12);
        }

        .todo-item.completed .todo-checkbox {
            background: var(--success);
            border-color: var(--success);
        }

        .todo-checkbox::after {
            content: '✓';
            color: white;
            font-weight: 800;
            font-size: 0.78rem;
            display: none;
        }

        .todo-item.completed .todo-checkbox::after {
            display: block;
        }

        .todo-content {
            flex: 1;
            min-width: 0;
        }

        .todo-task-text {
            font-weight: 700;
            font-size: 1.02rem;
            color: #1e293b;
            line-height: 1.45;
            margin-bottom: 8px;
        }

        .todo-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            align-items: center;
            margin-bottom: 8px;
        }

        .todo-badge-deadline {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: #fffbeb;
            border: 1px solid #fde68a;
            color: #b45309;
            padding: 4px 10px;
            border-radius: 7px;
            font-size: 0.82rem;
            font-weight: 600;
        }

        .todo-badge-assignee {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: #eff6ff;
            border: 1px solid #bfdbfe;
            color: #1d4ed8;
            padding: 4px 10px;
            border-radius: 7px;
            font-size: 0.82rem;
            font-weight: 600;
        }

        .todo-purpose-box {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            background: #f8fafc;
            border: 1px solid #e2e8f0;
            border-radius: 8px;
            padding: 7px 12px;
            font-size: 0.86rem;
            color: #475569;
            line-height: 1.5;
        }

        .todo-purpose-icon {
            font-size: 0.92rem;
            flex-shrink: 0;
            margin-top: 1px;
        }

        .todo-purpose-text {
            flex: 1;
        }

        .todo-counter {
            font-size: 0.85rem;
            color: var(--text-secondary);
            font-weight: 600;
            margin-bottom: 12px;
        }

        .no-todos {
            text-align: center;
            padding: 28px 20px;
            color: var(--text-secondary);
            font-style: italic;
        }

        /* Progress Bar */
        .todo-progress-wrap {
            margin-bottom: 16px;
        }

        .todo-progress-bar {
            width: 100%;
            height: 8px;
            border-radius: 10px;
            background: #f5e0e9;
            overflow: hidden;
            margin-bottom: 6px;
        }

        .todo-progress-fill {
            height: 100%;
            border-radius: 10px;
            background: linear-gradient(90deg, #e78eaf, var(--primary));
            transition: width 0.4s ease;
            width: 0%;
        }

        .todo-progress-label {
            font-size: 0.78rem;
            color: var(--text-secondary);
            font-weight: 600;
        }

        /* Filter Bar */
        .todo-filter-bar {
            display: flex;
            gap: 6px;
            margin-bottom: 14px;
            flex-wrap: wrap;
        }

        .todo-filter-btn {
            padding: 6px 14px;
            border: 1px solid #f1d6e1;
            border-radius: 20px;
            background: white;
            color: var(--text-secondary);
            font-size: 0.78rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            font-family: inherit;
        }

        .todo-filter-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .todo-filter-btn.active {
            background: var(--primary);
            color: white;
            border-color: var(--primary);
        }

        /* Add Task Form */
        .todo-add-form {
            display: flex;
            gap: 8px;
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .todo-add-form input {
            flex: 1;
            min-width: 180px;
            padding: 9px 12px;
            border: 1.5px solid #f1d6e1;
            border-radius: 10px;
            font-size: 0.85rem;
            font-family: inherit;
            outline: none;
            transition: var(--transition);
            color: var(--text);
            background: white;
        }

        .todo-add-form input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(213, 91, 137, 0.1);
        }

        .todo-add-form input::placeholder {
            color: #c4a8b5;
        }

        .todo-add-btn {
            padding: 9px 16px;
            border: none;
            border-radius: 10px;
            background: linear-gradient(135deg, #e78eaf, var(--primary));
            color: white;
            font-weight: 700;
            font-size: 0.85rem;
            cursor: pointer;
            transition: var(--transition);
            font-family: inherit;
            white-space: nowrap;
        }

        .todo-add-btn:hover {
            background: linear-gradient(135deg, #df6796, var(--primary-hover));
            transform: translateY(-1px);
        }

        /* Priority Badge */
        .todo-priority {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 10px;
            border-radius: 7px;
            font-size: 0.8rem;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
            user-select: none;
        }

        .todo-priority.high {
            background: #fff1f2;
            color: #e11d48;
            border: 1px solid #fecdd3;
        }

        .todo-priority.medium {
            background: #fff7ed;
            color: #c2410c;
            border: 1px solid #fed7aa;
        }

        .todo-priority.low {
            background: #f0fdf4;
            color: #15803d;
            border: 1px solid #bbf7d0;
        }

        /* Todo Actions */
        .todo-actions {
            display: flex;
            gap: 4px;
            margin-left: auto;
            flex-shrink: 0;
        }

        .todo-action-btn {
            width: 30px;
            height: 30px;
            border: none;
            border-radius: 8px;
            background: transparent;
            color: var(--text-secondary);
            cursor: pointer;
            font-size: 0.88rem;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

        .todo-action-btn:hover {
            background: #fff0f6;
            color: var(--primary);
        }

        .todo-action-btn.delete:hover {
            background: #fff0f0;
            color: var(--danger);
        }

        /* Edit Mode */
        .todo-item.editing .todo-task-text,
        .todo-item.editing .todo-badges,
        .todo-item.editing .todo-purpose-box {
            display: none;
        }

        .todo-edit-fields {
            display: none;
            flex-direction: column;
            gap: 8px;
            width: 100%;
        }

        .todo-item.editing .todo-edit-fields {
            display: flex;
        }

        .todo-edit-fields input {
            width: 100%;
            padding: 8px 10px;
            border: 1.5px solid var(--border);
            border-radius: 8px;
            font-size: 0.88rem;
            font-family: inherit;
            outline: none;
            color: var(--text);
            background: white;
        }

        .todo-edit-fields input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(213, 91, 137, 0.1);
        }

        .todo-edit-meta-row {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .todo-edit-meta-row input {
            flex: 1;
            min-width: 140px;
        }

        .todo-edit-btns {
            display: flex;
            gap: 8px;
            margin-top: 4px;
        }

        .btn-save-item {
            padding: 6px 14px;
            background: var(--primary);
            color: white;
            border: none;
            border-radius: 7px;
            font-weight: 700;
            font-size: 0.82rem;
            cursor: pointer;
        }

        .btn-cancel-item {
            padding: 6px 14px;
            background: #f1f5f9;
            color: #475569;
            border: 1px solid #cbd5e1;
            border-radius: 7px;
            font-weight: 600;
            font-size: 0.82rem;
            cursor: pointer;
        }

        /* Toast */
        .toast {
            position: fixed;
            bottom: 30px;
            left: 50%;
            transform: translateX(-50%) translateY(100px);
            background: #1f2937;
            color: white;
            padding: 12px 24px;
            font-size: 1.12rem;
            font-weight: 800;
            font-size: 0.9rem;
            box-shadow: var(--shadow-lg);
            z-index: 1000;
            transition: transform 0.3s ease;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .toast.show {
            transform: translateX(-50%) translateY(0);
        }

        /* Error */
        .error-box {
            display: none;
            background: #fef2f2;
            border: 1px solid #fecaca;
            border-radius: 14px;
            padding: 16px;
            margin-bottom: 20px;
            color: #a43f52;
            font-weight: 500;
        }

        .error-box.show {
            display: block;
        }

        .error-box .error-actions {
            margin-top: 10px;
        }

        /* Responsive */
        @media (max-width: 640px) {
            body {
                padding: 16px 12px 32px;
            }

            .app-header {
                padding: 22px 8px 22px;
            }

            .steps-container {
                gap: 6px;
            }

            .step-badge {
                font-size: 0.68rem;
                padding: 6px 9px 6px 6px;
            }

            .action-row .btn {
                min-width: 100%;
            }

            .api-key-row {
                flex-direction: column;
            }

            .result-card .card-header {
                flex-direction: column;
                align-items: flex-start;
            }

            .api-key-section,
            .upload-section,
            .result-card {
                padding: 20px 17px;
            }
        }

        /* Final visual polish — intentionally placed last to override legacy styles safely. */
        .api-key-section,
        .upload-section,
        .loading-overlay,
        .result-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }

        .upload-section {
            padding: 26px;
        }

        .result-card {
            padding: 25px 26px;
        }

        .result-card .card-header {
            border-bottom: 1px solid var(--border);
        }

        .result-card .card-header h2 {
            font-size: 1.12rem;
            font-weight: 800;
        }

        .script-content {
            border: 1px solid var(--border);
            border-radius: 14px;
            background: var(--script-bg);
        }

        .todo-item {
            border: 1px solid #f1d6e1;
            border-radius: 14px;
            background: var(--todo-bg);
        }

        .todo-item:hover {
            border-color: #eab1c5;
            transform: translateY(-1px);
        }

        .todo-item.completed {
            border-color: var(--border);
            background: #fffafb;
        }

        .todo-checkbox {
            border-color: #e6b5c7;
        }

        .toast {
            border-radius: 14px;
            background: #4c2e3d;
            font-size: .88rem;
        }

        .error-box {
            border: 1px solid #f2c6d0;
            border-radius: 14px;
            background: #fff3f5;
        }

        .btn-copy {
            border: 1px solid #f2c6d6;
            color: var(--primary-hover);
            background: #fff0f6;
        }

        .btn-copy:hover:not(:disabled) {
            color: #fff;
            background: var(--primary);
        }

        .btn-copy.copied {
            border-color: var(--success);
            color: #fff;
            background: var(--success);
        }

        .file-info.show,
        .loading-overlay.show,
        .results-container.show,
        .error-box.show {
            animation: fade-up .32s ease both;
        }

        @keyframes fade-up {
            from {
                opacity: 0;
                transform: translateY(8px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Save & History Buttons */
        .btn-history-open {
            padding: 7px 14px;
            background: linear-gradient(135deg, #fff0f6, #fdebf2);
            border: 1.5px solid var(--border);
            border-radius: 50px;
            color: var(--primary-hover);
            font-size: 0.82rem;
            font-weight: 750;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
            box-shadow: 0 2px 6px rgba(213, 91, 137, 0.08);
        }

        .btn-history-open:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(213, 91, 137, 0.25);
        }

        .btn-save-record {
            padding: 12px 22px;
            background: linear-gradient(135deg, #2fa479, #1b865f);
            color: #fff;
            border: none;
            border-radius: 12px;
            font-weight: 750;
            font-size: 0.92rem;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 4px 14px rgba(47, 164, 121, 0.28);
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }

        .btn-save-record:hover {
            background: linear-gradient(135deg, #278d67, #157351);
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(47, 164, 121, 0.38);
        }

        /* Modal Styles */
        .modal-backdrop {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(40, 20, 30, 0.48);
            backdrop-filter: blur(8px);
            z-index: 9999;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
            animation: fadeIn .2s ease;
        }

        .modal-container {
            background: #ffffff;
            border-radius: 20px;
            width: 100%;
            max-width: 680px;
            max-height: 85vh;
            display: flex;
            flex-direction: column;
            box-shadow: 0 25px 60px rgba(70, 20, 45, 0.25);
            border: 1px solid var(--border);
            animation: scaleUp .24s ease;
            overflow: hidden;
        }

        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }

        @keyframes scaleUp {
            from { opacity: 0; transform: scale(0.96) translateY(10px); }
            to { opacity: 1; transform: scale(1) translateY(0); }
        }

        .modal-header {
            padding: 18px 22px;
            border-bottom: 1.5px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: linear-gradient(135deg, #fff7fa, #ffffff);
        }

        .modal-close-btn {
            background: #f1dce5;
            border: none;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: var(--secondary);
            cursor: pointer;
            transition: var(--transition);
        }

        .modal-close-btn:hover {
            background: var(--primary);
            color: #fff;
        }

        .modal-body {
            padding: 18px 22px;
            overflow-y: auto;
            flex: 1;
        }

        .modal-footer {
            padding: 14px 22px;
            border-top: 1.5px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: #faf5f8;
        }

        /* History List & Cards */
        .history-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .history-card {
            background: #ffffff;
            border: 1.5px solid #f0dde5;
            border-radius: 14px;
            padding: 16px 18px;
            transition: var(--transition);
            box-shadow: 0 2px 8px rgba(130, 67, 95, 0.04);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .history-card:hover {
            border-color: #eab4ca;
            box-shadow: 0 6px 18px rgba(130, 67, 95, 0.1);
        }

        .history-card-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
        }

        .history-title {
            font-weight: 750;
            font-size: 1rem;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 7px;
        }

        .history-time {
            font-size: 0.76rem;
            color: var(--text-secondary);
            background: #f8eef3;
            padding: 3px 8px;
            border-radius: 6px;
            font-weight: 600;
        }

        .history-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .history-stat-badge {
            font-size: 0.78rem;
            font-weight: 650;
            padding: 3px 9px;
            border-radius: 6px;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .history-stat-script {
            background: #eff6ff;
            color: #1d4ed8;
            border: 1px solid #bfdbfe;
        }

        .history-stat-takeaways {
            background: #fef3c7;
            color: #b45309;
            border: 1px solid #fde68a;
        }

        .history-stat-todos {
            background: #f0fdf4;
            color: #15803d;
            border: 1px solid #bbf7d0;
        }

        .history-preview {
            font-size: 0.84rem;
            color: #64748b;
            line-height: 1.5;
            background: #fffafc;
            padding: 9px 12px;
            border-radius: 8px;
            border-left: 3px solid #f4c2d5;
            max-height: 56px;
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }

        .history-card-actions {
            display: flex;
            align-items: center;
            justify-content: flex-end;
            gap: 8px;
            margin-top: 4px;
        }

        .history-empty {
            text-align: center;
            padding: 36px 20px;
            color: var(--text-secondary);
        }

        @media (max-width: 640px) {

            .upload-section,
            .result-card {
                padding: 20px 17px;
            }
        }