/* Modern UI Overhaul Styles */

/* Reset body and ensure no gaps */
body {
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    padding-top: 64px; /* Height of navbar */
}

.app-container {
    margin: 0;
    padding: 0;
}

/* Main content adjustment for fixed header */
main {
    padding: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    body {
        padding-top: 120px; /* Taller navbar on mobile due to wrap */
    }
}

/* Modern App Bar - Clean and Professional */
.modern-app-bar {
    background: #ffffff;
    border-bottom: 1px solid #e0e0e0;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1500;
    width: 100%;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    margin: 0;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    transform: translateY(0);
}

.modern-app-bar.hidden {
    transform: translateY(-100%);
    box-shadow: none;
}

.dark-theme .modern-app-bar {
    background: #1a1a1a;
    border-bottom-color: #333333;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.5);
}

.app-brand {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-shrink: 0;
    padding: 1rem 2rem;
}

.brand-icon {
    width: 2.5rem;
    height: 2.5rem;
    background: linear-gradient(135deg, #6200ea 0%, #b388ff 100%);
    color: white;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: 0 2px 8px rgba(98, 0, 234, 0.2);
}

.brand-content .app-title {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
    color: #1a1a1a;
    line-height: 1.2;
}

.dark-theme .brand-content .app-title {
    color: #ffffff;
}

.app-subtitle {
    margin: 0;
    font-size: 0.75rem;
    color: #666666;
    font-weight: 400;
    text-transform: none;
    letter-spacing: 0;
}

.dark-theme .app-subtitle {
    color: #b0b0b0;
}

.app-nav {
    display: flex;
    align-items: center;
    gap: 0;
    flex: 1;
    justify-content: center;
    height: 100%;
}

.nav-tabs {
    display: flex;
    background: transparent;
    border-radius: 0;
    padding: 0;
    gap: 0;
    border: none;
    box-shadow: none;
    height: 100%;
}

.nav-tab {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1.25rem 1.5rem;
    border: none;
    background: transparent;
    color: #666666;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 0;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
    border-bottom: 3px solid transparent;
    position: relative;
}

.dark-theme .nav-tab {
    color: #b0b0b0;
}

.nav-tab:hover {
    background: #f5f5f5;
    color: #1a1a1a;
}

.dark-theme .nav-tab:hover {
    background: #2a2a2a;
    color: #ffffff;
}

.nav-tab.active {
    background: transparent;
    color: #6200ea;
    border-bottom-color: #6200ea;
    font-weight: 600;
}

.dark-theme .nav-tab.active {
    color: #b388ff;
    border-bottom-color: #b388ff;
}

.nav-tab.active:hover {
    background: #f5f5f5;
}

.dark-theme .nav-tab.active:hover {
    background: #2a2a2a;
}

.nav-tab .material-icons {
    font-size: 1.125rem;
}

.app-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    padding: 0.5rem 1rem;
}

.modern-action-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    border: 1px solid #e0e0e0;
    background: transparent;
    color: #666666;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.15s ease;
    font-family: inherit;
}

.dark-theme .modern-action-btn {
    border-color: #404040;
    color: #b0b0b0;
}

.modern-action-btn:hover {
    background: #f5f5f5;
    border-color: #d0d0d0;
    color: #1a1a1a;
}

.dark-theme .modern-action-btn:hover {
    background: #2a2a2a;
    border-color: #505050;
    color: #ffffff;
}

.modern-action-btn .material-icons {
    font-size: 1.125rem;
}

.btn-label {
    font-size: 0.875rem;
    white-space: nowrap;
}

.theme-btn.active {
    background: #fef7e0;
    color: #f59e0b;
    border-color: #fbbf24;
}

/* Enhanced Card Styles */
.card {
    background: var(--md-sys-color-surface);
    border-radius: 1.5rem;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.1),
        0 2px 8px rgba(0, 0, 0, 0.05);
    border: 2px solid var(--md-sys-color-outline-variant);
    overflow: hidden;
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: 
        0 12px 40px rgba(0, 0, 0, 0.15),
        0 4px 12px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.card-content {
    padding: 2rem;
}

.section-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--md-sys-color-on-surface);
    margin-bottom: 1.5rem;
}

.section-title .material-icons {
    font-size: 1.75rem;
    color: var(--md-sys-color-primary);
}

/* Enhanced Upload Area */
#drop-area {
    border: 3px dashed var(--md-sys-color-outline);
    border-radius: 1.5rem;
    padding: 3rem 2rem;
    text-align: center;
    background: linear-gradient(135deg, var(--md-sys-color-surface-variant) 0%, var(--md-sys-color-surface) 100%);
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

#drop-area::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 0%, var(--md-sys-color-primary) 50%, transparent 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

#drop-area:hover {
    border-color: var(--md-sys-color-primary);
    background: var(--md-sys-color-primary-container);
    transform: scale(1.02);
}

#drop-area:hover::before {
    opacity: 0.05;
}

.upload-icon {
    font-size: 4rem !important;
    color: var(--md-sys-color-primary);
    margin-bottom: 1rem;
    display: block;
}

#drop-area p {
    font-size: 1.125rem;
    color: var(--md-sys-color-on-surface-variant);
    margin: 0;
    font-weight: 500;
}

/* Enhanced Results Section */
.view-toggle {
    display: flex;
    background: var(--md-sys-color-surface-variant);
    border-radius: 1rem;
    padding: 0.25rem;
    margin-bottom: 2rem;
    border: 2px solid var(--md-sys-color-outline-variant);
}

.toggle-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    border: none;
    background: transparent;
    color: var(--md-sys-color-on-surface-variant);
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 0.75rem;
    cursor: pointer;
    transition: all 0.2s ease;
    flex: 1;
    justify-content: center;
}

.toggle-btn:hover {
    background: rgba(98, 0, 238, 0.1);
    color: var(--md-sys-color-primary);
}

.toggle-btn.active {
    background: var(--md-sys-color-primary);
    color: var(--md-sys-color-on-primary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.toggle-btn .material-icons {
    font-size: 1.125rem;
}

/* Enhanced Loading Animation */
.spinner {
    width: 3rem;
    height: 3rem;
    border: 4px solid var(--md-sys-color-outline-variant);
    border-top: 4px solid var(--md-sys-color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

#loading-container {
    text-align: center;
    padding: 3rem;
    background: var(--md-sys-color-surface-variant);
    border-radius: 1.5rem;
    margin: 2rem 0;
    border: 2px solid var(--md-sys-color-outline-variant);
}

#loading-container p {
    font-size: 1.125rem;
    color: var(--md-sys-color-on-surface-variant);
    margin: 0;
    font-weight: 500;
}

/* Enhanced Error Card */
.error-card {
    background: var(--md-sys-color-error-container) !important;
    border-color: var(--md-sys-color-error) !important;
    color: var(--md-sys-color-on-error-container);
}

.error-icon {
    font-size: 2rem !important;
    color: var(--md-sys-color-error);
    margin-bottom: 1rem;
}

/* Responsive Design for App Bar */
@media (max-width: 768px) {
    .modern-app-bar {
        flex-wrap: wrap;
        padding: 0;
    }
    
    .app-brand {
        padding: 0.75rem 1rem;
    }
    
    .app-nav {
        width: 100%;
        order: 3;
        border-top: 1px solid #e0e0e0;
    }
    
    .dark-theme .app-nav {
        border-top-color: #333333;
    }
    
    .nav-tabs {
        width: 100%;
        justify-content: space-around;
    }
    
    .nav-tab {
        flex: 1;
        justify-content: center;
        padding: 1rem 0.5rem;
        font-size: 0.75rem;
    }
    
    .nav-tab .material-icons {
        font-size: 1rem;
    }
    
    .app-actions {
        padding: 0.75rem 1rem;
    }
    
    .modern-action-btn .btn-label {
        display: none;
    }
    
    .modern-action-btn {
        padding: 0.5rem;
        min-width: 2.25rem;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .brand-content .app-title {
        font-size: 1.125rem;
    }
    
    .app-subtitle {
        display: none;
    }
    
    .brand-icon {
        width: 2.25rem;
        height: 2.25rem;
        font-size: 1.25rem;
    }
    
    .nav-tab span:not(.material-icons) {
        display: none;
    }
    
    .nav-tab {
        padding: 1rem 0.5rem;
    }
    
    main {
        padding: 1rem;
    }
}

/* Enhanced Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #1a1a1a;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    animation: modalFadeIn 0.3s ease;
    backdrop-filter: blur(8px);
}

.modal.hidden {
    display: none;
}

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

.modern-modal {
    background: var(--md-sys-color-surface);
    border-radius: 2rem;
    max-width: 800px;
    width: 95%;
    max-height: 90vh;
    overflow: hidden;
    box-shadow: 
        0 32px 64px rgba(0, 0, 0, 0.3),
        0 0 0 1px rgba(255, 255, 255, 0.1);
    animation: modalSlideIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    border: 3px solid var(--md-sys-color-primary);
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

/* Modern Modal Header */
.modern-modal .modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 2rem 2rem 1rem 2rem;
    background: linear-gradient(135deg, var(--md-sys-color-primary-container) 0%, var(--md-sys-color-surface-variant) 100%);
    border-bottom: 2px solid var(--md-sys-color-outline-variant);
}

.modal-title-section {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex: 1;
}

.modal-icon {
    width: 4rem;
    height: 4rem;
    background: var(--md-sys-color-primary);
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--md-sys-color-on-primary);
    font-size: 1.5rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.modal-title-section h2 {
    margin: 0;
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--md-sys-color-on-surface);
    line-height: 1.2;
}

.modal-subtitle {
    margin: 0.25rem 0 0 0;
    font-size: 0.875rem;
    color: var(--md-sys-color-on-surface-variant);
    font-weight: 400;
}

.modern-close-btn {
    width: 3rem;
    height: 3rem;
    border: none;
    background: var(--md-sys-color-error-container);
    color: var(--md-sys-color-on-error-container);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 1.25rem;
}

.modern-close-btn:hover {
    background: var(--md-sys-color-error);
    color: var(--md-sys-color-on-error);
    transform: scale(1.1);
}

/* Modern Modal Body */
.modern-modal .modal-body {
    padding: 0;
    max-height: 60vh;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--md-sys-color-primary) transparent;
}

.modern-modal .modal-body::-webkit-scrollbar {
    width: 8px;
}

.modern-modal .modal-body::-webkit-scrollbar-track {
    background: transparent;
}

.modern-modal .modal-body::-webkit-scrollbar-thumb {
    background: var(--md-sys-color-primary);
    border-radius: 4px;
}

/* Settings Sections */
.settings-section {
    padding: 2rem;
    border-bottom: 1px solid var(--md-sys-color-outline-variant);
}

.settings-section:last-child {
    border-bottom: none;
}

.section-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.section-icon {
    width: 2.5rem;
    height: 2.5rem;
    background: var(--md-sys-color-secondary-container);
    color: var(--md-sys-color-on-secondary-container);
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.section-header h3 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--md-sys-color-on-surface);
}

/* Modern Setting Items */
.setting-item.modern {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 2rem;
    padding: 1.5rem;
    margin-bottom: 1rem;
    background: var(--md-sys-color-surface-variant);
    border-radius: 1rem;
    border: 2px solid var(--md-sys-color-outline-variant);
    transition: all 0.2s ease;
}

.setting-item.modern:hover {
    border-color: var(--md-sys-color-primary);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.setting-info {
    flex: 1;
}

.setting-info label {
    display: block;
    font-size: 1rem;
    font-weight: 600;
    color: var(--md-sys-color-on-surface);
    margin-bottom: 0.5rem;
}

.setting-description {
    font-size: 0.875rem;
    color: var(--md-sys-color-on-surface-variant);
    margin: 0;
    line-height: 1.4;
}

.setting-control {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* Modern Inputs */
.modern-input {
    padding: 1rem 1.5rem;
    border: 2px solid var(--md-sys-color-outline);
    border-radius: 0.75rem;
    background: var(--md-sys-color-surface);
    color: var(--md-sys-color-on-surface);
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.2s ease;
    width: 250px;
}

.modern-input:focus {
    outline: none;
    border-color: var(--md-sys-color-primary);
    box-shadow: 0 0 0 3px rgba(98, 0, 238, 0.2);
    background: var(--md-sys-color-surface-bright, var(--md-sys-color-surface));
}

.input-with-unit {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.input-unit {
    font-size: 0.875rem;
    color: var(--md-sys-color-on-surface-variant);
    font-weight: 500;
    white-space: nowrap;
}

.modern-select {
    padding: 1rem 1.5rem;
    border: 2px solid var(--md-sys-color-outline);
    border-radius: 0.75rem;
    background: var(--md-sys-color-surface);
    color: var(--md-sys-color-on-surface);
    font-size: 1rem;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s ease;
    min-width: 200px;
}

.modern-select:focus {
    outline: none;
    border-color: var(--md-sys-color-primary);
    box-shadow: 0 0 0 3px rgba(98, 0, 238, 0.2);
}

/* Modern Switch */
.modern-switch {
    position: relative;
    display: inline-block;
    width: 3.5rem;
    height: 2rem;
    cursor: pointer;
}

.modern-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.switch-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #d0d0d0;
    border-radius: 2rem;
    transition: all 0.3s ease;
    border: 2px solid #b0b0b0;
}

.dark-theme .switch-slider {
    background: #404040;
    border-color: #606060;
}

.switch-slider:before {
    position: absolute;
    content: "";
    height: 1.25rem;
    width: 1.25rem;
    left: 0.25rem;
    top: 50%;
    transform: translateY(-50%);
    background: white;
    border-radius: 50%;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.modern-switch input:checked + .switch-slider {
    background: var(--md-sys-color-primary);
    border-color: var(--md-sys-color-primary);
}

.modern-switch input:checked + .switch-slider:before {
    transform: translateY(-50%) translateX(1.5rem);
    background: white;
}

.modern-switch:hover .switch-slider {
    box-shadow: 0 0 0 8px rgba(98, 0, 238, 0.1);
}

.dark-theme .modern-switch:hover .switch-slider {
    box-shadow: 0 0 0 8px rgba(179, 136, 255, 0.15);
}

/* Setting Actions */
.setting-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    border: 2px solid var(--md-sys-color-outline);
    border-radius: 0.75rem;
    background: var(--md-sys-color-surface);
    color: var(--md-sys-color-on-surface);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

.action-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.action-btn.secondary {
    border-color: var(--md-sys-color-secondary);
    color: var(--md-sys-color-secondary);
}

.action-btn.secondary:hover {
    background: var(--md-sys-color-secondary);
    color: var(--md-sys-color-on-secondary);
}

.action-btn.danger {
    border-color: var(--md-sys-color-error);
    color: var(--md-sys-color-error);
}

.action-btn.danger:hover {
    background: var(--md-sys-color-error);
    color: var(--md-sys-color-on-error);
}

/* Modern Modal Footer */
.modal-footer.modern {
    padding: 1.5rem 2rem 2rem 2rem;
    background: var(--md-sys-color-surface-variant);
    border-top: 2px solid var(--md-sys-color-outline-variant);
}

.footer-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.primary-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

/* History Specific Styles */
.history-controls {
    display: flex;
    gap: 1rem;
    padding: 1.5rem 2rem;
    background: var(--md-sys-color-surface-variant);
    border-bottom: 2px solid var(--md-sys-color-outline-variant);
    flex-wrap: wrap;
}

.search-box {
    position: relative;
    flex: 1;
    min-width: 250px;
}

.search-box .material-icons {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--md-sys-color-on-surface-variant);
    font-size: 1.25rem;
}

.search-box .modern-input {
    width: 100%;
    padding-left: 3.5rem;
}

.history-container {
    padding: 1rem 2rem 2rem 2rem;
    min-height: 300px;
}

.history-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    margin-bottom: 1rem;
    background: var(--md-sys-color-surface-variant);
    border-radius: 1rem;
    border: 2px solid var(--md-sys-color-outline-variant);
    transition: all 0.2s ease;
}

.history-item:hover {
    border-color: var(--md-sys-color-primary);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.history-thumbnail {
    width: 4rem;
    height: 4rem;
    border-radius: 0.75rem;
    overflow: hidden;
    background: var(--md-sys-color-outline-variant);
    display: flex;
    align-items: center;
    justify-content: center;
}

.history-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.history-info {
    flex: 1;
}

.history-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--md-sys-color-on-surface);
    margin: 0 0 0.25rem 0;
}

.history-timestamp {
    font-size: 0.875rem;
    color: var(--md-sys-color-on-surface-variant);
    margin: 0;
}

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

.empty-history {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 2rem;
    text-align: center;
    color: var(--md-sys-color-on-surface-variant);
}

.empty-history .material-icons {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-history h3 {
    margin: 0 0 0.5rem 0;
    font-size: 1.25rem;
    color: var(--md-sys-color-on-surface);
}

.empty-history p {
    margin: 0;
    font-size: 0.875rem;
}

/* Enhanced Button Styles */
.button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: 2px solid transparent;
    border-radius: 0.75rem;
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
}

.button.primary {
    background: var(--md-sys-color-primary);
    color: var(--md-sys-color-on-primary);
    border-color: var(--md-sys-color-primary);
}

.button.primary:hover {
    background: var(--md-sys-color-primary-container);
    color: var(--md-sys-color-on-primary-container);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.button.secondary {
    background: var(--md-sys-color-secondary-container);
    color: var(--md-sys-color-on-secondary-container);
    border-color: var(--md-sys-color-secondary);
}

.button.secondary:hover {
    background: var(--md-sys-color-secondary);
    color: var(--md-sys-color-on-secondary);
}

.button.danger {
    background: var(--md-sys-color-error-container);
    color: var(--md-sys-color-on-error-container);
    border-color: var(--md-sys-color-error);
}

.button.danger:hover {
    background: var(--md-sys-color-error);
    color: var(--md-sys-color-on-error);
}

/* Responsive Design */
@media (max-width: 768px) {
    .modern-modal {
        max-width: 95%;
        border-radius: 1.5rem;
    }
    
    .modal-title-section {
        gap: 1rem;
    }
    
    .modal-icon {
        width: 3rem;
        height: 3rem;
        font-size: 1.25rem;
    }
    
    .modal-title-section h2 {
        font-size: 1.5rem;
    }
    
    .modern-modal .modal-header {
        padding: 1.5rem 1.5rem 0.75rem 1.5rem;
    }
    
    .settings-section {
        padding: 1.5rem;
    }
    
    .setting-item.modern {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
        padding: 1rem;
    }
    
    .modern-input {
        width: 100%;
    }
    
    .footer-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .primary-actions {
        justify-content: space-between;
    }
    
    .history-controls {
        flex-direction: column;
        padding: 1rem 1.5rem;
    }
    
    .history-container {
        padding: 1rem 1.5rem;
    }
    
    .history-item {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .modern-modal {
        width: 100%;
        height: 100%;
        max-height: 100%;
        border-radius: 0;
    }
    
    .modal-title-section {
        flex-direction: column;
        text-align: center;
        gap: 0.75rem;
    }
    
    .setting-actions {
        grid-template-columns: 1fr;
    }
}