/* Prior Forge — FLASHCARDS styles (ported from Prior-Flash.html).
   Auto-scoped under #acad-flashcards, recoloured to ACAD green. */
#acad-flashcards {
            /* Flash tokens remapped onto Forge's palette */
            --theme-color: #22c55e;
            --rgb-theme-color: 34, 197, 94;
            --text-color: rgba(255,255,255,0.82);
            --bg-color: transparent;
            --bg-secondary: #0e0f12;   /* Forge --card  */
            --bg-tertiary: #14161a;    /* Forge --card-2 */
            --border-color: rgba(255,255,255,0.08); /* Forge --border */
            --error-color: #ff3366;
            --rgb-error-color: 255, 51, 102;
            --success-color: #33cc66;
            --rgb-success-color: 51, 204, 102;
            --warning-color: #ffcc00;
            --rgb-warning-color: 255, 204, 0;
        }
#acad-flashcards * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Inter', sans-serif;
        }
#acad-flashcards {
            background-color: var(--bg-color);
            color: var(--text-color);
            min-height: 100vh;
            padding: 20px;
            background-image: 
                radial-gradient(circle at 20% 30%, rgba(var(--rgb-theme-color), 0.05) 0%, transparent 30%),
                radial-gradient(circle at 80% 70%, rgba(var(--rgb-theme-color), 0.05) 0%, transparent 30%);
        }
#acad-flashcards .container {
            max-width: 1400px;
            margin: 0 auto;
            background: var(--bg-secondary);
            border-radius: 20px;
            box-shadow: 
                0 20px 60px rgba(0, 0, 0, 0.6),
                0 0 30px rgba(var(--rgb-theme-color), 0.2);
            overflow: hidden;
            border: 1px solid var(--border-color);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            transform: scale(0.8);
            transform-origin: top center;
        }
#acad-flashcards .header {
            background: #ffffff00;
            border-bottom: 1px solid #22c55e;
            padding: 10px 20px;
            border-top: 3px solid #22c55e;
        }
#acad-flashcards .header-content {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: nowrap;
        }
#acad-flashcards .brand {
            display: flex;
            align-items: center;
            gap: 12px;
            flex: 1;
            min-width: 0;
        }
#acad-flashcards .brand-icon {
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
#acad-flashcards .brand-icon img {
            width: 32px;
            height: 32px;
            object-fit: contain;
        }
#acad-flashcards .brand h1 {
            font-size: 24px;
            font-weight: 700;
            color: #22c55e;
            margin: 0;
            letter-spacing: -0.5px;
            text-shadow: 
                0 0 5px rgba(34, 197, 94, 0.3),
                0 0 10px rgba(34, 197, 94, 0.4),
                0 0 15px rgba(34, 197, 94, 0.5);
            animation: glow-pulse 2s ease-in-out infinite alternate;
        }
@keyframes glow-pulse {
            from {
                text-shadow: 
                    0 0 5px rgba(34, 197, 94, 0.3),
                    0 0 10px rgba(34, 197, 94, 0.4),
                    0 0 15px rgba(34, 197, 94, 0.5);
            }
            to {
                text-shadow: 
                    0 0 10px rgba(34, 197, 94, 0.4),
                    0 0 20px rgba(34, 197, 94, 0.5),
                    0 0 30px rgba(34, 197, 94, 0.6);
            }
        }
#acad-flashcards .divider {
            color: #cbd5e1;
            font-size: 16px;
        }
#acad-flashcards .tagline {
            font-size: 16px;
            color: #22c55e;
            font-weight: 500;
            text-shadow: 
                0 0 3px rgba(34, 197, 94, 0.2),
                0 0 6px rgba(34, 197, 94, 0.3),
                0 0 10px rgba(34, 197, 94, 0.4);
            animation: tagline-glow 3s ease-in-out infinite alternate;
        }
@keyframes tagline-glow {
            from {
                text-shadow: 
                    0 0 3px rgba(34, 197, 94, 0.2),
                    0 0 6px rgba(34, 197, 94, 0.3),
                    0 0 10px rgba(34, 197, 94, 0.4);
            }
            to {
                text-shadow: 
                    0 0 5px rgba(34, 197, 94, 0.3),
                    0 0 10px rgba(34, 197, 94, 0.4),
                    0 0 15px rgba(34, 197, 94, 0.5);
            }
        }
#acad-flashcards .header-actions {
            display: flex;
            gap: 10px;
        }
#acad-flashcards .header-btn {
            background: rgba(var(--rgb-theme-color), 0.1);
            color: var(--theme-color);
            border: 1px solid var(--border-color);
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 12px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            font-family: 'Audiowide', sans-serif;
            display: flex;
            align-items: center;
            gap: 8px;
        }
#acad-flashcards .header-btn:hover {
            background: rgba(var(--rgb-theme-color), 0.2);
            border-color: var(--theme-color);
            transform: translateY(-2px);
        }
#acad-flashcards .header-btn.active {
            background: var(--theme-color);
            color: #000;
        }
#acad-flashcards .main-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
            min-height: 600px;
            transition: all 0.5s ease;
        }
#acad-flashcards .main-content.collapsed {
            grid-template-columns: 1fr;
        }
#acad-flashcards .main-content.collapsed .input-section {
            display: none;
        }
#acad-flashcards .input-section {
            background: var(--bg-tertiary);
            border-right: 1px solid var(--border-color);
            padding: 30px;
            display: flex;
            flex-direction: column;
            gap: 20px;
            transition: all 0.5s ease;
            overflow: hidden;
        }
#acad-flashcards .input-section.hidden {
            display: none;
        }
#acad-flashcards .flashcard-section {
            padding: 30px;
            display: flex;
            flex-direction: column;
            gap: 20px;
            transition: all 0.5s ease;
        }
#acad-flashcards .section-title {
            font-size: 18px;
            color: var(--theme-color);
            margin-bottom: 15px;
            font-weight: 600;
            text-shadow: 0 0 10px rgba(var(--rgb-theme-color), 0.6);
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
        }
#acad-flashcards .section-title > svg {
            flex-shrink: 0;
        }
#acad-flashcards .section-title .controls {
            margin-left: auto;
        }
#acad-flashcards .input-wrapper {
            position: relative;
            border: 2px solid var(--border-color);
            border-radius: 15px;
            overflow: hidden;
            transition: all 0.3s ease;
            background: rgba(var(--rgb-theme-color), 0.05);
            flex: 1;
            display: flex;
            flex-direction: column;
        }
#acad-flashcards .input-wrapper:focus-within {
            border-color: var(--theme-color);
            box-shadow: 0 0 20px rgba(var(--rgb-theme-color), 0.4);
            transform: translateY(-3px);
        }
#acad-flashcards .text-input {
            width: 100%;
            flex: 1;
            padding: 20px;
            border: none;
            font-size: 15px;
            line-height: 1.7;
            font-family: 'Courier New', monospace;
            resize: none;
            outline: none;
            background: transparent;
            color: var(--text-color);
            min-height: 300px;
        }
#acad-flashcards .text-input::placeholder {
            color: rgba(var(--rgb-theme-color), 0.5);
        }
#acad-flashcards .file-upload-area {
            border: 2px dashed var(--border-color);
            border-radius: 15px;
            padding: 40px;
            text-align: center;
            cursor: pointer;
            transition: all 0.3s ease;
            background: rgba(var(--rgb-theme-color), 0.05);
        }
#acad-flashcards .file-upload-area:hover {
            border-color: var(--theme-color);
            background: rgba(var(--rgb-theme-color), 0.1);
            transform: translateY(-2px);
        }
#acad-flashcards .file-upload-area.dragover {
            border-color: var(--theme-color);
            background: rgba(var(--rgb-theme-color), 0.15);
            box-shadow: 0 0 20px rgba(var(--rgb-theme-color), 0.4);
        }
#acad-flashcards .upload-icon {
            margin-bottom: 15px;
            color: var(--theme-color);
        }
#acad-flashcards .upload-text {
            font-size: 14px;
            color: var(--text-color);
            opacity: 0.8;
        }
#acad-flashcards .file-input {
            display: none;
        }
#acad-flashcards .uploaded-file {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 15px;
            background: rgba(var(--rgb-success-color), 0.1);
            border: 1px solid var(--success-color);
            border-radius: 10px;
            margin-top: 10px;
        }
#acad-flashcards .uploaded-file-name {
            flex: 1;
            font-size: 13px;
            color: var(--text-color);
        }
#acad-flashcards .remove-file {
            background: transparent;
            border: none;
            color: var(--error-color);
            cursor: pointer;
            font-size: 18px;
            padding: 5px;
        }
#acad-flashcards .generate-button {
            background: linear-gradient(135deg, var(--theme-color), rgba(var(--rgb-theme-color), 0.8));
            color: #000;
            border: none;
            padding: 15px 30px;
            border-radius: 12px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            font-family: 'Audiowide', sans-serif;
            letter-spacing: 0.5px;
            text-transform: uppercase;
            box-shadow: 0 4px 15px rgba(var(--rgb-theme-color), 0.3);
            position: relative;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }
#acad-flashcards .generate-button:hover:not(:disabled) {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(var(--rgb-theme-color), 0.5);
        }
#acad-flashcards .generate-button:disabled {
            opacity: 0.5;
            cursor: not-allowed;
        }
#acad-flashcards .generate-button .spinner {
            display: inline-block;
            width: 14px;
            height: 14px;
            border: 2px solid rgba(0, 0, 0, 0.3);
            border-top: 2px solid #000;
            border-radius: 50%;
            animation: spin 1s linear infinite;
        }
@keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }
#acad-flashcards .flashcard-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 20px;
            flex: 1;
            overflow-y: auto;
            padding: 20px;
            align-content: start;
        }
#acad-flashcards .flashcard-container.single-card-mode {
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 40px;
        }
#acad-flashcards .flashcard-container::-webkit-scrollbar {
            width: 8px;
        }
#acad-flashcards .flashcard-container::-webkit-scrollbar-track {
            background: rgba(var(--rgb-theme-color), 0.1);
            border-radius: 4px;
        }
#acad-flashcards .flashcard-container::-webkit-scrollbar-thumb {
            background: var(--theme-color);
            border-radius: 4px;
        }
#acad-flashcards .flashcard {
            background: rgba(var(--rgb-theme-color), 0.08);
            border: 2px solid var(--border-color);
            border-radius: 15px;
            padding: 20px;
            cursor: pointer;
            transition: all 0.5s ease;
            position: relative;
            min-height: 180px;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
            perspective: 1000px;
        }
#acad-flashcards .flashcard.single-card {
            max-width: 700px;
            width: 100%;
            min-height: 400px;
            padding: 40px;
        }
#acad-flashcards .flashcard:hover {
            border-color: var(--theme-color);
            box-shadow: 0 8px 25px rgba(var(--rgb-theme-color), 0.4);
        }
#acad-flashcards .flashcard.flipped .flashcard-inner {
            transform: rotateY(180deg);
        }
#acad-flashcards .flashcard-inner {
            position: relative;
            width: 100%;
            height: 100%;
            text-align: center;
            transition: transform 0.6s;
            transform-style: preserve-3d;
        }
#acad-flashcards .flashcard-front, #acad-flashcards .flashcard-back {
            position: absolute;
            width: 100%;
            height: 100%;
            backface-visibility: hidden;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 15px;
        }
#acad-flashcards .flashcard-back {
            transform: rotateY(180deg);
        }
#acad-flashcards .flashcard-label {
            font-size: 11px;
            text-transform: uppercase;
            color: var(--theme-color);
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 10px;
        }
#acad-flashcards .flashcard.single-card .flashcard-label {
            font-size: 14px;
            margin-bottom: 20px;
        }
#acad-flashcards .flashcard-content {
            font-size: 16px;
            color: var(--text-color);
            line-height: 1.5;
            max-width: 500px;
        }
#acad-flashcards .flashcard.single-card .flashcard-content {
            font-size: 20px;
            line-height: 1.7;
            max-width: 600px;
        }
#acad-flashcards .flashcard-number {
            position: absolute;
            top: 15px;
            left: 15px;
            background: var(--theme-color);
            color: #000;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 600;
            z-index: 10;
        }
#acad-flashcards .flashcard-actions {
            position: absolute;
            top: 15px;
            right: 15px;
            display: flex;
            gap: 8px;
            z-index: 10;
        }
#acad-flashcards .flashcard-action-btn {
            background: rgba(0, 0, 0, 0.5);
            border: 1px solid var(--border-color);
            color: var(--text-color);
            width: 28px;
            height: 28px;
            border-radius: 6px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
        }
#acad-flashcards .flashcard-action-btn:hover {
            background: var(--error-color);
            border-color: var(--error-color);
            color: #fff;
        }
#acad-flashcards .single-card-navigation {
            position: absolute;
            bottom: 30px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            gap: 20px;
            align-items: center;
            z-index: 100;
        }
#acad-flashcards .nav-button {
            background: rgba(var(--rgb-theme-color), 0.2);
            border: 1px solid var(--border-color);
            color: var(--theme-color);
            width: 50px;
            height: 50px;
            border-radius: 50%;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
        }
#acad-flashcards .nav-button:hover:not(:disabled) {
            background: var(--theme-color);
            color: #000;
            transform: scale(1.1);
        }
#acad-flashcards .nav-button:disabled {
            opacity: 0.3;
            cursor: not-allowed;
        }
#acad-flashcards .card-counter {
            font-size: 14px;
            color: var(--theme-color);
            font-weight: 600;
            padding: 10px 20px;
            background: rgba(var(--rgb-theme-color), 0.1);
            border-radius: 20px;
        }
#acad-flashcards .empty-state {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            height: 100%;
            gap: 20px;
            opacity: 0.6;
            grid-column: 1 / -1;
        }
#acad-flashcards .empty-state-icon {
            color: var(--theme-color);
        }
#acad-flashcards .empty-state-text {
            font-size: 16px;
            color: var(--text-color);
            text-align: center;
        }
#acad-flashcards .status-bar {
            padding: 20px 30px;
            background: var(--bg-tertiary);
            border-top: 1px solid var(--border-color);
            font-size: 13px;
            color: var(--text-color);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
#acad-flashcards .flashcard-count {
            color: var(--theme-color);
            font-weight: 600;
        }
#acad-flashcards .status-actions {
            display: flex;
            gap: 10px;
        }
#acad-flashcards .action-button {
            background: rgba(var(--rgb-success-color), 0.2);
            color: var(--success-color);
            border: 1px solid var(--success-color);
            padding: 10px 20px;
            border-radius: 8px;
            font-size: 12px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            font-family: 'Audiowide', sans-serif;
            letter-spacing: 0.5px;
            text-transform: uppercase;
            display: flex;
            align-items: center;
            gap: 8px;
        }
#acad-flashcards .action-button:hover:not(:disabled) {
            background: var(--success-color);
            color: #000;
            transform: translateY(-2px);
        }
#acad-flashcards .action-button:disabled {
            opacity: 0.3;
            cursor: not-allowed;
        }
#acad-flashcards .action-button.danger {
            background: rgba(var(--rgb-error-color), 0.2);
            color: var(--error-color);
            border-color: var(--error-color);
        }
#acad-flashcards .action-button.danger:hover:not(:disabled) {
            background: var(--error-color);
            color: #fff;
        }
#acad-flashcards .prior-glitch-footer {
            position: fixed;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            font-family: 'Courier New', monospace;
            pointer-events: auto;
        }
#acad-flashcards .glitch-text {
            font-size: 14px;
            font-weight: bold;
            text-transform: uppercase;
            position: relative;
            color: #22c55e;
            letter-spacing: 2px;
            text-shadow: 
                0 0 3px rgba(34, 197, 94, 0.2),
                0 0 6px rgba(34, 197, 94, 0.3),
                0 0 10px rgba(34, 197, 94, 0.4);
            animation: footer-glow 4s ease-in-out infinite alternate;
        }
@keyframes footer-glow {
            from {
                text-shadow: 
                    0 0 3px rgba(34, 197, 94, 0.2),
                    0 0 6px rgba(34, 197, 94, 0.3),
                    0 0 10px rgba(34, 197, 94, 0.4);
            }
            to {
                text-shadow: 
                    0 0 5px rgba(34, 197, 94, 0.3),
                    0 0 10px rgba(34, 197, 94, 0.4),
                    0 0 15px rgba(34, 197, 94, 0.5);
            }
        }
#acad-flashcards .prior-glitch-footer .prior-link {
            color: #22c55e;
            text-decoration: none;
            display: block;
            transition: all 0.3s ease;
        }
#acad-flashcards .prior-glitch-footer .prior-link:hover {
            color: #ffffff;
            text-shadow: 
                0 0 8px rgba(34, 197, 94, 0.6),
                0 0 15px rgba(34, 197, 94, 0.8),
                0 0 25px rgba(34, 197, 94, 1),
                0 0 35px rgba(34, 197, 94, 0.8);
            transform: scale(1.05);
            cursor: pointer;
        }
#acad-flashcards .controls {
            display: flex;
            gap: 10px;
        }
#acad-flashcards .control-button {
            flex: 1;
            background: rgba(var(--rgb-theme-color), 0.1);
            color: var(--theme-color);
            border: 1px solid var(--border-color);
            padding: 10px 15px;
            border-radius: 8px;
            font-size: 12px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            font-family: 'Audiowide', sans-serif;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
#acad-flashcards .control-button:hover {
            background: rgba(var(--rgb-theme-color), 0.2);
            border-color: var(--theme-color);
            transform: translateY(-2px);
        }
#acad-flashcards .control-button.active {
            background: var(--theme-color);
            color: #000;
        }
#acad-flashcards .progress-indicator {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 20px;
            padding: 15px;
            background: rgba(var(--rgb-theme-color), 0.05);
            border-radius: 10px;
            border: 1px solid var(--border-color);
        }
#acad-flashcards .progress-info {
            flex: 1;
        }
#acad-flashcards .progress-label {
            font-size: 12px;
            color: var(--text-color);
            opacity: 0.8;
            margin-bottom: 5px;
        }
#acad-flashcards .progress-stats {
            font-size: 14px;
            color: var(--theme-color);
            font-weight: 600;
        }
#acad-flashcards .modal-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.95);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            display: none;
            align-items: center;
            justify-content: center;
            z-index: 10000;
            animation: fadeIn 0.3s ease;
        }
#acad-flashcards .modal-overlay.active {
            display: flex;
        }
#acad-flashcards .modal-content {
            background: var(--bg-secondary);
            border: 2px solid var(--border-color);
            border-radius: 20px;
            max-width: 800px;
            width: 90%;
            max-height: 80vh;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.8);
        }
#acad-flashcards .modal-header {
            padding: 25px 30px;
            border-bottom: 1px solid var(--border-color);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
#acad-flashcards .modal-title {
            font-size: 22px;
            color: var(--theme-color);
            font-weight: 600;
            text-shadow: 0 0 10px rgba(var(--rgb-theme-color), 0.6);
        }
#acad-flashcards .modal-close {
            background: transparent;
            border: none;
            color: var(--text-color);
            cursor: pointer;
            font-size: 24px;
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 6px;
            transition: all 0.3s ease;
        }
#acad-flashcards .modal-close:hover {
            background: var(--error-color);
            color: #fff;
        }
#acad-flashcards .modal-body {
            padding: 30px;
            overflow-y: auto;
            flex: 1;
        }
#acad-flashcards .modal-body::-webkit-scrollbar {
            width: 8px;
        }
#acad-flashcards .modal-body::-webkit-scrollbar-track {
            background: rgba(var(--rgb-theme-color), 0.1);
            border-radius: 4px;
        }
#acad-flashcards .modal-body::-webkit-scrollbar-thumb {
            background: var(--theme-color);
            border-radius: 4px;
        }
#acad-flashcards .summary-section {
            margin-bottom: 30px;
            padding: 20px;
            background: rgba(var(--rgb-theme-color), 0.05);
            border-radius: 12px;
            border: 1px solid var(--border-color);
        }
#acad-flashcards .summary-title {
            font-size: 16px;
            color: var(--theme-color);
            font-weight: 600;
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
#acad-flashcards .summary-text {
            font-size: 14px;
            color: var(--text-color);
            line-height: 1.6;
            opacity: 0.9;
        }
#acad-flashcards .topics-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
        }
#acad-flashcards .topics-title {
            font-size: 18px;
            color: var(--theme-color);
            font-weight: 600;
        }
#acad-flashcards .select-all-btn {
            background: rgba(var(--rgb-theme-color), 0.1);
            color: var(--theme-color);
            border: 1px solid var(--border-color);
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 12px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            font-family: 'Audiowide', sans-serif;
        }
#acad-flashcards .select-all-btn:hover {
            background: var(--theme-color);
            color: #000;
        }
#acad-flashcards .topic-item {
            padding: 15px;
            background: rgba(var(--rgb-theme-color), 0.05);
            border: 1px solid var(--border-color);
            border-radius: 10px;
            margin-bottom: 10px;
            display: flex;
            align-items: flex-start;
            gap: 15px;
            transition: all 0.3s ease;
            cursor: pointer;
        }
#acad-flashcards .topic-item:hover {
            background: rgba(var(--rgb-theme-color), 0.1);
            border-color: var(--theme-color);
        }
#acad-flashcards .topic-item.selected {
            background: rgba(var(--rgb-theme-color), 0.15);
            border-color: var(--theme-color);
            box-shadow: 0 4px 15px rgba(var(--rgb-theme-color), 0.3);
        }
#acad-flashcards .topic-checkbox {
            width: 20px;
            height: 20px;
            border: 2px solid var(--border-color);
            border-radius: 4px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            margin-top: 2px;
            transition: all 0.3s ease;
        }
#acad-flashcards .topic-item.selected .topic-checkbox {
            background: var(--theme-color);
            border-color: var(--theme-color);
        }
#acad-flashcards .topic-checkbox svg {
            width: 14px;
            height: 14px;
            color: #000;
            display: none;
        }
#acad-flashcards .topic-item.selected .topic-checkbox svg {
            display: block;
        }
#acad-flashcards .topic-content {
            flex: 1;
        }
#acad-flashcards .topic-name {
            font-size: 15px;
            color: var(--text-color);
            font-weight: 600;
            margin-bottom: 5px;
        }
#acad-flashcards .topic-description {
            font-size: 13px;
            color: var(--text-color);
            opacity: 0.7;
            line-height: 1.4;
        }
#acad-flashcards .modal-footer {
            padding: 20px 30px;
            border-top: 1px solid var(--border-color);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
#acad-flashcards .selected-count {
            font-size: 14px;
            color: var(--text-color);
        }
#acad-flashcards .selected-count span {
            color: var(--theme-color);
            font-weight: 600;
        }
#acad-flashcards .modal-actions {
            display: flex;
            gap: 10px;
        }
#acad-flashcards .modal-button {
            padding: 12px 24px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            font-family: 'Audiowide', sans-serif;
            letter-spacing: 0.5px;
            text-transform: uppercase;
            display: flex;
            align-items: center;
            gap: 8px;
        }
#acad-flashcards .modal-button.primary {
            background: linear-gradient(135deg, var(--theme-color), rgba(var(--rgb-theme-color), 0.8));
            color: #000;
            border: none;
            box-shadow: 0 4px 15px rgba(var(--rgb-theme-color), 0.3);
        }
#acad-flashcards .modal-button.primary:hover:not(:disabled) {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(var(--rgb-theme-color), 0.5);
        }
#acad-flashcards .modal-button.primary:disabled {
            opacity: 0.5;
            cursor: not-allowed;
        }
#acad-flashcards .modal-button.secondary {
            background: rgba(var(--rgb-theme-color), 0.1);
            color: var(--theme-color);
            border: 1px solid var(--border-color);
        }
#acad-flashcards .modal-button.secondary:hover {
            background: rgba(var(--rgb-theme-color), 0.2);
            border-color: var(--theme-color);
        }
@media (max-width: 1200px) {
#acad-flashcards .flashcard-container {
                grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            }
#acad-flashcards .container {
                transform: scale(0.85);
            }

}
@media (max-width: 1024px) {
#acad-flashcards .main-content {
                grid-template-columns: 1fr;
            }
#acad-flashcards .main-content.collapsed {
                grid-template-columns: 1fr;
            }
#acad-flashcards .main-content.collapsed .input-section {
                display: none;
            }
#acad-flashcards .input-section {
                border-right: none;
                border-bottom: 1px solid var(--border-color);
            }
#acad-flashcards .container {
                transform: scale(0.9);
            }
#acad-flashcards .flashcard-container {
                grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
                gap: 15px;
                padding: 15px;
            }
#acad-flashcards .section-title {
                flex-wrap: wrap;
            }
#acad-flashcards .controls {
                width: 100%;
                margin-top: 10px;
            }

}
@media (max-width: 768px) {
#acad-flashcards {
                padding: 10px;
            }
#acad-flashcards .container {
                transform: scale(1);
                margin: 0;
                border-radius: 15px;
            }
#acad-flashcards .header {
                padding: 8px 15px;
            }
#acad-flashcards .header-content {
                flex-wrap: nowrap;
                gap: 10px;
            }
#acad-flashcards .brand {
                gap: 8px;
                flex: 1;
                min-width: 0;
                overflow: hidden;
            }
#acad-flashcards .brand h1 {
                font-size: 20px;
                white-space: nowrap;
            }
#acad-flashcards .tagline {
                display: none;
            }
#acad-flashcards .divider {
                display: none;
            }
#acad-flashcards .header-actions {
                flex-shrink: 0;
            }
#acad-flashcards .header-btn {
                font-size: 11px;
                padding: 6px 12px;
                white-space: nowrap;
            }
#acad-flashcards .input-section, #acad-flashcards .flashcard-section {
                padding: 20px 15px;
            }
#acad-flashcards .section-title {
                font-size: 16px;
                margin-bottom: 10px;
                flex-wrap: wrap;
            }
#acad-flashcards .section-title svg {
                width: 18px;
                height: 18px;
                flex-shrink: 0;
            }
#acad-flashcards .section-title .controls {
                width: 100%;
                margin-left: 0;
                margin-top: 5px;
            }
#acad-flashcards .controls {
                width: 100%;
                flex-direction: column;
                gap: 8px;
            }
#acad-flashcards .control-button {
                width: 100%;
                padding: 12px;
            }
#acad-flashcards .flashcard-container {
                grid-template-columns: 1fr;
                gap: 15px;
                padding: 10px;
            }
#acad-flashcards .flashcard {
                min-height: 150px;
                padding: 20px 15px;
            }
#acad-flashcards .flashcard-content {
                font-size: 15px;
                padding: 0 10px;
            }
#acad-flashcards .flashcard-label {
                font-size: 10px;
            }
#acad-flashcards .flashcard-number {
                width: 28px;
                height: 28px;
                font-size: 12px;
                top: 10px;
                left: 10px;
            }
#acad-flashcards .flashcard-actions {
                top: 10px;
                right: 10px;
            }
#acad-flashcards .flashcard-action-btn {
                width: 24px;
                height: 24px;
            }
#acad-flashcards .text-input {
                min-height: 200px;
                font-size: 14px;
                padding: 15px;
            }
#acad-flashcards .file-upload-area {
                padding: 30px 20px;
            }
#acad-flashcards .upload-icon svg {
                width: 40px;
                height: 40px;
            }
#acad-flashcards .upload-text {
                font-size: 13px;
            }
#acad-flashcards .generate-button {
                padding: 12px 20px;
                font-size: 14px;
            }
#acad-flashcards .status-bar {
                padding: 15px 20px;
                flex-direction: column;
                gap: 10px;
                align-items: flex-start;
            }
#acad-flashcards .status-actions {
                width: 100%;
                flex-direction: column;
            }
#acad-flashcards .action-button {
                width: 100%;
                justify-content: center;
                padding: 10px;
            }
#acad-flashcards .progress-indicator {
                padding: 12px;
                gap: 10px;
            }
#acad-flashcards .progress-indicator svg {
                width: 24px;
                height: 24px;
            }
#acad-flashcards .progress-label {
                font-size: 11px;
            }
#acad-flashcards .progress-stats {
                font-size: 13px;
            }
#acad-flashcards .prior-glitch-footer {
                bottom: 10px;
            }
#acad-flashcards .glitch-text {
                font-size: 11px;
                letter-spacing: 1px;
            }
#acad-flashcards .modal-content {
                width: 95%;
                max-height: 90vh;
            }
#acad-flashcards .modal-header {
                padding: 20px;
            }
#acad-flashcards .modal-title {
                font-size: 18px;
            }
#acad-flashcards .modal-body {
                padding: 20px;
            }
#acad-flashcards .modal-footer {
                padding: 15px 20px;
                flex-direction: column;
                gap: 15px;
            }
#acad-flashcards .modal-actions {
                width: 100%;
                flex-direction: column;
            }
#acad-flashcards .modal-button {
                width: 100%;
                justify-content: center;
            }
#acad-flashcards .single-card-navigation {
                bottom: 20px;
                gap: 15px;
            }
#acad-flashcards .nav-button {
                width: 45px;
                height: 45px;
            }
#acad-flashcards .card-counter {
                font-size: 12px;
                padding: 8px 16px;
            }

}
@media (max-width: 480px) {
#acad-flashcards .brand h1 {
                font-size: 18px;
            }
#acad-flashcards .tagline {
                font-size: 12px;
            }
#acad-flashcards .brand-icon {
                width: 28px;
                height: 28px;
            }
#acad-flashcards .brand-icon img {
                width: 28px;
                height: 28px;
            }
#acad-flashcards .flashcard {
                min-height: 140px;
                padding: 15px 10px;
            }
#acad-flashcards .flashcard-content {
                font-size: 14px;
            }
#acad-flashcards .section-title svg {
                width: 18px;
                height: 18px;
            }
#acad-flashcards .control-button svg {
                width: 14px;
                height: 14px;
            }

}
#acad-flashcards .loading-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.95);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            display: none;
            align-items: center;
            justify-content: center;
            z-index: 9999;
            animation: fadeIn 0.3s ease;
        }
#acad-flashcards .loading-overlay.active {
            display: flex;
        }
@keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }
#acad-flashcards .loading-content {
            text-align: center;
            max-width: 500px;
            padding: 40px;
        }
#acad-flashcards .progress-ring {
            position: relative;
            width: 200px;
            height: 200px;
            margin: 0 auto 30px;
        }
#acad-flashcards .progress-ring-circle {
            transform: rotate(-90deg);
            transform-origin: 50% 50%;
        }
#acad-flashcards .progress-ring-background {
            fill: none;
            stroke: rgba(var(--rgb-theme-color), 0.1);
            stroke-width: 8;
        }
#acad-flashcards .progress-ring-progress {
            fill: none;
            stroke: var(--theme-color);
            stroke-width: 8;
            stroke-linecap: round;
            stroke-dasharray: 565.48;
            stroke-dashoffset: 565.48;
            transition: stroke-dashoffset 0.5s ease;
            filter: drop-shadow(0 0 10px rgba(var(--rgb-theme-color), 0.5));
        }
#acad-flashcards .progress-percentage {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            font-size: 48px;
            font-weight: 700;
            color: var(--theme-color);
            text-shadow: 0 0 20px rgba(var(--rgb-theme-color), 0.8);
            font-family: 'Audiowide', sans-serif;
        }
#acad-flashcards .loading-title {
            font-size: 24px;
            font-weight: 600;
            color: var(--theme-color);
            margin-bottom: 15px;
            text-shadow: 0 0 10px rgba(var(--rgb-theme-color), 0.6);
        }
#acad-flashcards .loading-status {
            font-size: 16px;
            color: var(--text-color);
            opacity: 0.8;
            margin-bottom: 25px;
            min-height: 24px;
        }
#acad-flashcards .loading-dots::after {
            content: '';
            animation: dots 1.5s steps(4, end) infinite;
        }
@keyframes dots {
            0%, 20% { content: ''; }
            40% { content: '.'; }
            60% { content: '..'; }
            80%, 100% { content: '...'; }
        }
#acad-flashcards .stage-indicators {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-top: 30px;
        }
#acad-flashcards .stage-indicator {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: rgba(var(--rgb-theme-color), 0.2);
            transition: all 0.3s ease;
            position: relative;
        }
#acad-flashcards .stage-indicator.active {
            background: var(--theme-color);
            box-shadow: 0 0 15px rgba(var(--rgb-theme-color), 0.8);
            transform: scale(1.2);
        }
#acad-flashcards .stage-indicator.completed {
            background: var(--success-color);
        }
@keyframes pulse {
            0%, 100% {
                transform: scale(1);
                opacity: 1;
            }
            50% {
                transform: scale(1.1);
                opacity: 0.8;
            }
        }
#acad-flashcards .stage-indicator.active::after {
            content: '';
            position: absolute;
            top: -5px;
            left: -5px;
            right: -5px;
            bottom: -5px;
            border-radius: 50%;
            border: 2px solid var(--theme-color);
            animation: pulse 1.5s ease infinite;
        }
#acad-flashcards .fun-fact {
            margin-top: 30px;
            padding: 20px;
            background: rgba(var(--rgb-theme-color), 0.05);
            border-radius: 10px;
            border: 1px solid rgba(var(--rgb-theme-color), 0.2);
        }
#acad-flashcards .fun-fact-label {
            font-size: 12px;
            color: var(--theme-color);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 8px;
            font-weight: 600;
        }
#acad-flashcards .fun-fact-text {
            font-size: 14px;
            color: var(--text-color);
            opacity: 0.9;
            line-height: 1.6;
        }
@media (max-width: 768px) {
#acad-flashcards .loading-content {
                padding: 30px 20px;
            }
#acad-flashcards .progress-ring {
                width: 150px;
                height: 150px;
            }
#acad-flashcards .progress-percentage {
                font-size: 36px;
            }
#acad-flashcards .loading-title {
                font-size: 20px;
            }
#acad-flashcards .loading-status {
                font-size: 14px;
            }

}

/* ── Forge overrides ── */
#acad-flashcards{background:transparent!important;min-height:0!important;padding:0!important;}
/* Constrain + centre the app (original used max-width:1400 + scale(0.8)) */
#acad-flashcards .container{transform:none;max-width:1040px;margin:0 auto;border:1px solid var(--border-color);border-radius:18px;backdrop-filter:none;box-shadow:none;overflow:hidden;}
#acad-flashcards .header{border-top:none;padding:12px 20px;background:transparent;}
#acad-flashcards .brand,#acad-flashcards .prior-glitch-footer{display:none;}
/* When only the New Set button (hidden by default) is in the header, drop the empty bar */
#acad-flashcards .header:has(.header-actions .header-btn[style*="display: none"]){display:none;}

/* ── Harmonize with the Forge design system ───────────────────────
   Inter for body/controls, Audiowide only for headings; neutral card
   surfaces instead of accent-tinted neon; glows/heavy shadows removed. */

/* headings keep Audiowide, minus the neon text-shadow */
#acad-flashcards .section-title,
#acad-flashcards .modal-title,
#acad-flashcards .loading-title { font-family:'Audiowide',sans-serif; text-shadow:none; font-weight:400; }
#acad-flashcards .progress-percentage { text-shadow:none; }

/* body / inputs → Inter, readable text colours */
#acad-flashcards .text-input { font-family:'Inter',sans-serif; color:var(--text); font-size:.95rem; }
#acad-flashcards .text-input::placeholder { color:rgba(255,255,255,.3); }
#acad-flashcards .upload-text,
#acad-flashcards .flashcard-content,
#acad-flashcards .empty-state-text,
#acad-flashcards .status-bar { color:rgba(255,255,255,.6); }

/* neutral surfaces + soft borders + Forge radii */
#acad-flashcards .input-wrapper,
#acad-flashcards .file-upload-area,
#acad-flashcards .flashcard { background:#14161a; border:1px solid rgba(255,255,255,.08); border-radius:14px; }
#acad-flashcards .file-upload-area { border-style:dashed; border-color:rgba(255,255,255,.16); }
#acad-flashcards .input-wrapper:focus-within { border-color:var(--theme-color); box-shadow:none; transform:none; }
#acad-flashcards .file-upload-area:hover { border-color:var(--theme-color); background:rgba(var(--rgb-theme-color),.05); transform:none; }
#acad-flashcards .file-upload-area.dragover { border-color:var(--theme-color); background:rgba(var(--rgb-theme-color),.08); box-shadow:none; }
#acad-flashcards .flashcard:hover { border-color:var(--theme-color); box-shadow:0 8px 24px rgba(0,0,0,.35); transform:none; }

/* primary button → Forge solid green, sentence case, Inter, flat */
#acad-flashcards .generate-button {
    background:var(--theme-color); color:#04140a; border-radius:12px;
    font-family:'Inter',sans-serif; font-weight:700; letter-spacing:0; text-transform:none; box-shadow:none;
}
#acad-flashcards .generate-button:hover:not(:disabled) { transform:translateY(-1px); box-shadow:0 10px 30px rgba(var(--rgb-theme-color),.3); }

/* secondary buttons (controls / actions / modal / header / nav) → flat Forge chips */
#acad-flashcards .control-button,
#acad-flashcards .action-button,
#acad-flashcards .modal-button.secondary,
#acad-flashcards .header-btn,
#acad-flashcards .select-all-btn {
    background:#14161a; border:1px solid rgba(255,255,255,.08); color:rgba(255,255,255,.6);
    font-family:'Inter',sans-serif; text-transform:none; letter-spacing:0; border-radius:10px; box-shadow:none;
}
#acad-flashcards .control-button:hover,
#acad-flashcards .action-button:hover:not(:disabled),
#acad-flashcards .header-btn:hover,
#acad-flashcards .select-all-btn:hover { color:#fff; border-color:rgba(255,255,255,.16); background:#14161a; box-shadow:none; }
#acad-flashcards .control-button.active { background:var(--theme-color); border-color:var(--theme-color); color:#04140a; }
#acad-flashcards .modal-button.primary { background:var(--theme-color); color:#04140a; font-family:'Inter',sans-serif; text-transform:none; letter-spacing:0; box-shadow:none; }

/* misc chrome */
#acad-flashcards .status-bar { background:#14161a; border-top:1px solid rgba(255,255,255,.08); }
#acad-flashcards .modal-content { background:#0e0f12; border:1px solid rgba(255,255,255,.1); }
#acad-flashcards .flashcard-label,
#acad-flashcards .flashcard-count,
#acad-flashcards .card-counter { font-family:'Inter',sans-serif; }

/* control/action buttons stay on one line */
#acad-flashcards .control-button,
#acad-flashcards .action-button,
#acad-flashcards .header-btn { white-space:nowrap; }
#acad-flashcards .control-button svg,
#acad-flashcards .action-button svg { flex-shrink:0; }

/* trim the study-material textarea so it doesn't dominate the page */
#acad-flashcards .input-wrapper { flex:0 0 auto; }
#acad-flashcards .text-input { min-height:150px; height:150px; }
#acad-flashcards .main-content { min-height:0; }
#acad-flashcards .flashcard-container { min-height:260px; }

/* compact upload dropzone */
#acad-flashcards .file-upload-area { padding:1.1rem 1.25rem; }
#acad-flashcards .upload-icon { margin-bottom:6px; }
#acad-flashcards .upload-icon svg { width:30px; height:30px; }