.citation-generator-ui {
        --color-primary: #6366f1;
        --color-primary-dark: #4f46e5;
        --color-primary-light: #e0e7ff;
        --color-secondary: #64748b;
        --color-secondary-light: #94a3b8;
        --color-success: #10b981;
        --color-error: #ef4444;
        --color-error-light: #fee2e2;
        --color-error-lighter: #fecaca;
        --color-bg-light: rgba(255, 255, 255, 0.7);
        --color-bg-card: #f8fafc;
        --color-text-base: #1e293b;
        --color-text-secondary: #475569;
        --color-text-dimmed: #64748b;
        --color-border: #e2e8f0;
        --color-border-light: rgba(0, 0, 0, 0.05);
        --color-white: #fff;
    }

    .theme-dark .citation-generator-ui {
        --color-bg-light: rgba(15, 23, 42, 0.7);
        --color-bg-card: #1e293b;
        --color-text-base: #f8fafc;
        --color-text-secondary: #cbd5e1;
        --color-text-dimmed: #94a3b8;
        --color-border: #334155;
        --color-border-light: rgba(255, 255, 255, 0.05);
    }

    .citation-generator-container {
        max-width: 900px;
        margin: 0 auto;
        padding: 2rem;
        border-radius: 2rem;
        background: var(--color-bg-light);
        backdrop-filter: blur(12px);
        border: 1px solid rgba(255, 255, 255, 0.4);
        box-shadow: 0 25px 50px rgba(0, 0, 0, 0.05);
    }

    .theme-dark .citation-generator-container {
        border: 1px solid rgba(255, 255, 255, 0.1);
        box-shadow: 0 25px 50px rgba(0, 0, 0, 0.2);
    }

    .generator-grid {
        display: flex;
        flex-direction: column;
        gap: 2.5rem;
    }

    .config-section {
        display: flex;
        flex-direction: column;
        gap: 1.5rem;
    }

    .field-group {
        display: flex;
        flex-direction: column;
        gap: 0.5rem;
    }

    .field-label {
        font-size: 0.875rem;
        font-weight: 600;
        color: var(--color-text-secondary);
        padding-left: 0.25rem;
    }

    .input-control {
        width: 100%;
        padding: 0.875rem 1.25rem;
        border-radius: 1rem;
        border: 1px solid var(--color-border);
        background: var(--color-white);
        color: var(--color-text-base);
        font-size: 1rem;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .theme-dark .input-control {
        background: var(--color-bg-card);
        border-color: var(--color-border);
        color: var(--color-text-base);
    }

    .input-control:focus {
        outline: none;
        border-color: var(--color-primary);
        box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
        transform: translateY(-1px);
    }

    .select-control {
        appearance: none;
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
        background-repeat: no-repeat;
        background-position: right 1rem center;
        background-size: 1.25rem;
        padding-right: 3rem;
    }

    .results-sidebar {
        display: flex;
        flex-direction: column;
        gap: 1.5rem;
    }

    .preview-card {
        padding: 2.5rem;
        border-radius: 2rem;
        background: var(--color-bg-card);
        color: var(--color-text-base);
        text-align: left;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
        border: 1px solid var(--color-border);
        position: relative;
    }

    .theme-dark .preview-card {
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    }

    .preview-title {
        font-size: 0.875rem;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.1em;
        margin-bottom: 1.5rem;
        opacity: 0.8;
    }

    .citation-result {
        font-size: 1.25rem;
        line-height: 1.6;
        margin-bottom: 1rem;
        word-break: break-all;
        font-style: italic;
        min-height: 60px;
        display: block;
        color: var(--color-text-secondary);
        cursor: pointer;
        padding: 1rem;
        border-radius: 1rem;
        transition: all 0.2s ease;
        border: 1px solid transparent;
    }

    .citation-result:hover {
        background: rgba(99, 102, 241, 0.05);
        border-color: rgba(99, 102, 241, 0.2);
    }

    .theme-dark .citation-result {
        color: var(--color-text-secondary);
    }

    .theme-dark .citation-result:hover {
        background: rgba(255, 255, 255, 0.05);
        border-color: rgba(255, 255, 255, 0.1);
    }

    .copy-actions {
        display: flex;
        gap: 0.5rem;
        margin-top: 1rem;
    }

    .copy-btn {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 0.4rem;
        width: 40px;
        height: 40px;
        padding: 0;
        border-radius: 0.5rem;
        background: transparent;
        color: var(--color-primary);
        border: 1px solid var(--color-primary);
        cursor: pointer;
        font-size: 0.75rem;
        font-weight: 600;
        transition: all 0.2s ease;
    }

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

    .copy-btn.copied {
        background: #10b981;
        border-color: #10b981;
        color: var(--color-white);
    }

    .theme-dark .copy-btn {
        border-color: var(--color-primary);
        color: var(--color-primary);
    }

    .theme-dark .copy-btn:hover {
        background: var(--color-primary);
        color: var(--color-white);
    }

    .copied-pulse {
        animation: copied-pulse 0.4s ease forwards;
        color: var(--color-success);
    }

    @keyframes copied-pulse {
        0% {
            transform: scale(1);
        }

        50% {
            transform: scale(1.02);
        }

        100% {
            transform: scale(1);
        }
    }

    .history-section {
        margin-top: 3rem;
        padding-top: 2rem;
        border-top: 1px solid var(--color-border-light);
    }

    .history-title {
        font-size: 1.25rem;
        font-weight: 700;
        margin-bottom: 1.5rem;
        color: var(--color-text-base);
    }

    .history-list {
        display: flex;
        flex-direction: column;
        gap: 1rem;
    }

    .history-item {
        padding: 1.25rem;
        border-radius: 1rem;
        background: rgba(255, 255, 255, 0.5);
        border: 1px solid var(--color-border-light);
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 1rem;
        transition: all 0.2s ease;
        animation: slide-in 0.3s ease forwards;
    }

    .theme-dark .history-item {
        background: rgba(30, 41, 59, 0.5);
        border-color: var(--color-border-light);
    }

    .history-item:hover {
        background: var(--color-white);
        box-shadow: 0 8px 16px rgba(0, 0, 0, 0.03);
    }

    .theme-dark .history-item:hover {
        background: var(--color-bg-card);
    }

    .history-text {
        font-size: 0.95rem;
        color: var(--color-text-secondary);
        flex: 1;
    }

    .history-actions {
        display: flex;
        gap: 0.5rem;
    }

    .action-btn {
        width: 32px;
        height: 32px;
        border-radius: 8px;
        display: flex;
        align-items: center;
        justify-content: center;
        border: none;
        cursor: pointer;
        transition: all 0.2s ease;
    }

    .btn-delete {
        background: var(--color-error-light);
        color: var(--color-error);
    }

    .btn-delete:hover {
        background: var(--color-error-lighter);
    }

    .btn-copy-formatted,
    .btn-copy-text {
        background: transparent;
        color: var(--color-primary);
        border: none;
    }

    .btn-copy-formatted:hover,
    .btn-copy-text:hover {
        color: var(--color-primary-dark);
    }

    .btn-copy-formatted.copied,
    .btn-copy-text.copied {
        color: var(--color-success);
    }

    @keyframes slide-in {
        from {
            opacity: 0;
            transform: translateY(10px);
        }

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

    .type-tabs {
        display: flex;
        gap: 0.5rem;
        margin-bottom: 1.5rem;
    }

    .type-tab {
        padding: 0.5rem 1rem;
        border-radius: 0.75rem;
        background: #f1f5f9;
        color: var(--color-text-dimmed);
        font-size: 0.875rem;
        font-weight: 600;
        border: none;
        cursor: pointer;
        transition: all 0.2s ease;
    }

    .theme-dark .type-tab {
        background: var(--color-bg-card);
        color: var(--color-text-dimmed);
    }

    .type-tab.active {
        background: var(--color-primary);
        color: var(--color-white);
    }

    .form-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    @media (max-width: 640px) {
        .form-grid {
            grid-template-columns: 1fr;
        }
    }

    .add-btn {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 0.75rem;
        width: 100%;
        margin-top: 1.5rem;
        padding: 1rem;
        border-radius: 1rem;
        background: var(--color-primary);
        color: var(--color-white);
        font-weight: 700;
        font-size: 1rem;
        border: none;
        cursor: pointer;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: 0 4px 6px -1px rgba(99, 102, 241, 0.2);
    }

    .add-btn:hover {
        background: var(--color-primary-dark);
        transform: translateY(-2px);
        box-shadow: 0 10px 15px -3px rgba(99, 102, 241, 0.3);
    }

    .add-btn:active {
        transform: translateY(0);
    }

    .view-fade-in {
        animation: view-fade-in 0.6s ease forwards;
    }

    @keyframes view-fade-in {
        from {
            opacity: 0;
            transform: translateY(20px);
        }

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