/* Universal Image Converter v7.1 - Scoped Premium Design */
.uic-plugin-wrapper {
    --uic-primary: #6366F1;
    --uic-primary-dark: #4F46E5;
    --uic-primary-light: #818CF8;
    --uic-secondary: #8B5CF6;
    --uic-secondary-light: #A78BFA;
    --uic-success: #10B981;
    --uic-success-light: #34D399;
    --uic-warning: #F59E0B;
    --uic-danger: #EF4444;
    --uic-dark: #1F2937;
    --uic-light: #F9FAFB;
    --uic-gray: #6B7280;
    --uic-gray-light: #9CA3AF;
    --uic-border: rgba(255, 255, 255, 0.2);
    --uic-radius: 24px;
    --uic-radius-sm: 16px;
    --uic-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --uic-shadow-sm: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
    --uic-glass: rgba(255, 255, 255, 0.98);
    --uic-glass-blur: blur(10px);
    
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    margin: 0;
    padding: 0;
}

/* Container - No global background, only scoped */
.uic-plugin-wrapper {
    position: relative;
    width: 100%;
    max-width: 100%;
    background: linear-gradient(135deg, #F3F4F6 0%, #E5E7EB 100%);
    border-radius: 0;
    padding: 40px 24px;
    box-sizing: border-box;
}

.uic-plugin-wrapper * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.uic-container {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

/* Hero Section - Scoped */
.uic-hero { text-align: center; margin-bottom: 40px; }
.uic-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(99, 102, 241, 0.12); backdrop-filter: blur(10px); padding: 8px 20px; border-radius: 60px; font-size: 13px; font-weight: 600; color: var(--uic-primary-dark); margin-bottom: 24px; border: 1px solid rgba(99, 102, 241, 0.2); }
.uic-badge-icon { font-size: 16px; }
.uic-title { font-size: 48px; font-weight: 800; margin-bottom: 16px; letter-spacing: -0.02em; color: var(--uic-dark); }
.uic-gradient-text { background: linear-gradient(135deg, var(--uic-primary), var(--uic-secondary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.uic-desc { color: var(--uic-gray); font-size: 16px; margin-bottom: 0; font-weight: 500; line-height: 1.5; }

/* Main Card */
.uic-card {
    background: var(--uic-glass);
    backdrop-filter: var(--uic-glass-blur);
    border-radius: var(--uic-radius);
    padding: 32px;
    margin-bottom: 24px;
    box-shadow: var(--uic-shadow-sm);
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

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

/* Upload Zone */
.uic-upload-zone {
    text-align: center;
    padding: 50px 30px;
    border: 2px dashed rgba(99, 102, 241, 0.3);
    border-radius: var(--uic-radius-sm);
    cursor: pointer;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.6);
}

.uic-upload-zone:hover {
    border-color: var(--uic-primary);
    background: rgba(99, 102, 241, 0.05);
}

.uic-upload-icon {
    font-size: 64px;
    margin-bottom: 20px;
    display: inline-block;
    transition: transform 0.3s ease;
}

.uic-upload-zone:hover .uic-upload-icon {
    transform: scale(1.05);
}

.uic-upload-zone h3 { font-size: 24px; margin-bottom: 8px; color: var(--uic-dark); }
.uic-upload-subtitle { color: var(--uic-gray); margin-bottom: 20px; font-size: 15px; }
.uic-hint { font-size: 12px; margin-top: 20px; color: var(--uic-gray-light); }

/* Buttons */
.uic-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 28px;
    border: none;
    border-radius: 60px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.uic-btn-primary {
    background: linear-gradient(135deg, var(--uic-primary), var(--uic-primary-dark));
    color: white;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.uic-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

.uic-btn-convert {
    background: linear-gradient(135deg, var(--uic-success), #059669);
    color: white;
    font-size: 16px;
    padding: 14px 36px;
}

.uic-btn-convert:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

.uic-btn-outline {
    background: transparent;
    border: 2px solid var(--uic-primary);
    color: var(--uic-primary);
}

.uic-btn-outline:hover {
    background: var(--uic-primary);
    color: white;
    transform: translateY(-2px);
}

.uic-icon-btn {
    background: rgba(239, 68, 68, 0.1);
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.uic-icon-btn:hover {
    background: var(--uic-danger);
    color: white;
}

/* Files Panel */
.uic-files-panel {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.uic-files-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.uic-files-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--uic-dark);
    display: flex;
    align-items: center;
    gap: 8px;
}

.uic-file-count {
    background: linear-gradient(135deg, var(--uic-primary), var(--uic-secondary));
    color: white;
    padding: 2px 10px;
    border-radius: 20px;
    font-size: 12px;
    margin-left: 8px;
}

.uic-files-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 12px;
    max-height: 280px;
    overflow-y: auto;
    padding: 4px;
}

.uic-file-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: rgba(249, 250, 251, 0.9);
    border-radius: var(--uic-radius-sm);
    border: 1px solid #E5E7EB;
    transition: all 0.2s ease;
}

.uic-file-card:hover {
    border-color: var(--uic-primary);
    background: white;
}

.uic-file-info {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
    min-width: 0;
}

.uic-file-icon { font-size: 24px; }
.uic-file-details { flex: 1; min-width: 0; }
.uic-file-name { font-weight: 600; font-size: 13px; color: var(--uic-dark); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.uic-file-size { font-size: 11px; color: var(--uic-gray); margin-top: 2px; }

.uic-file-remove {
    background: none;
    border: none;
    font-size: 18px;
    cursor: pointer;
    padding: 4px 6px;
    transition: all 0.2s;
    border-radius: 50%;
    color: var(--uic-gray);
}

.uic-file-remove:hover {
    background: rgba(239, 68, 68, 0.1);
    color: var(--uic-danger);
}

/* Format Row */
.uic-format-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 28px;
    flex-wrap: wrap;
}

.uic-format-label {
    font-size: 16px;
    font-weight: 600;
    color: var(--uic-dark);
    display: flex;
    align-items: center;
    gap: 6px;
}

.uic-format-dropdown-wrapper {
    position: relative;
    min-width: 260px;
}

.uic-format-select {
    width: 100%;
    padding: 12px 18px;
    font-size: 14px;
    font-weight: 500;
    border: 2px solid #E5E7EB;
    border-radius: 60px;
    background: white;
    cursor: pointer;
    appearance: none;
    transition: all 0.2s ease;
    font-family: inherit;
}

.uic-format-select:hover,
.uic-format-select:focus {
    border-color: var(--uic-primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.uic-dropdown-arrow {
    position: absolute;
    right: 18px;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    color: var(--uic-gray);
    font-size: 10px;
}

/* Progress Section */
.uic-progress-card { text-align: center; }
.uic-progress-header { margin-bottom: 20px; }
.uic-progress-header h4 { font-size: 20px; color: var(--uic-dark); margin-top: 12px; }

.uic-wave-animation {
    display: flex;
    justify-content: center;
    gap: 6px;
    margin-bottom: 16px;
}

.uic-wave-animation span {
    width: 6px;
    height: 30px;
    background: linear-gradient(135deg, var(--uic-primary), var(--uic-secondary));
    border-radius: 3px;
    animation: uicWave 1s ease-in-out infinite;
}

.uic-wave-animation span:nth-child(1) { animation-delay: 0s; }
.uic-wave-animation span:nth-child(2) { animation-delay: 0.1s; }
.uic-wave-animation span:nth-child(3) { animation-delay: 0.2s; }
.uic-wave-animation span:nth-child(4) { animation-delay: 0.3s; }
.uic-wave-animation span:nth-child(5) { animation-delay: 0.4s; }

@keyframes uicWave {
    0%, 100% { height: 30px; }
    50% { height: 50px; }
}

.uic-progress-stats {
    font-size: 14px;
    color: var(--uic-gray);
    margin-bottom: 16px;
}

.uic-progress-bar-container {
    margin-bottom: 20px;
}

.uic-progress-bar {
    height: 8px;
    background: #E5E7EB;
    border-radius: 4px;
    overflow: hidden;
}

.uic-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--uic-primary), var(--uic-secondary));
    width: 0%;
    transition: width 0.3s ease;
    border-radius: 4px;
}

.uic-progress-list {
    max-height: 200px;
    overflow-y: auto;
    text-align: left;
    margin-top: 20px;
}

.uic-progress-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    background: rgba(249, 250, 251, 0.8);
    border-radius: 10px;
    margin-bottom: 6px;
    font-size: 12px;
}

.uic-progress-item .status {
    margin-left: auto;
    font-weight: 600;
    font-size: 11px;
}

.uic-progress-item.completed .status { color: var(--uic-success); }
.uic-progress-item.processing .status { color: var(--uic-primary); }
.uic-progress-item.error .status { color: var(--uic-danger); }

/* Results Section */
.uic-results-header { text-align: center; margin-bottom: 24px; }
.uic-success-animation { font-size: 52px; display: block; margin-bottom: 12px; }
.uic-results-header h3 { font-size: 28px; color: var(--uic-success); margin-bottom: 6px; }

.uic-results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 14px;
    margin-bottom: 28px;
    max-height: 450px;
    overflow-y: auto;
    padding: 4px;
}

.uic-result-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
    background: rgba(249, 250, 251, 0.9);
    border-radius: var(--uic-radius-sm);
    transition: all 0.2s ease;
}

.uic-result-card:hover {
    background: white;
    box-shadow: var(--uic-shadow-sm);
}

.uic-result-info { flex: 1; min-width: 0; }
.uic-result-name { font-weight: 700; font-size: 13px; color: var(--uic-dark); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.uic-result-stats { font-size: 10px; color: var(--uic-gray); margin-top: 4px; display: flex; gap: 10px; flex-wrap: wrap; }
.uic-result-savings { color: var(--uic-success); font-weight: 700; }

.uic-download-btn {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    padding: 6px;
    transition: all 0.2s ease;
    border-radius: 50%;
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.uic-download-btn:hover {
    background: rgba(99, 102, 241, 0.1);
    transform: scale(1.05);
}

.uic-results-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* Toast Notifications - Scoped */
.uic-toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    padding: 10px 20px;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 8px;
    z-index: 100000;
    font-weight: 500;
    font-size: 13px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    animation: uicToastSlideUp 0.3s ease;
}

@keyframes uicToastSlideUp {
    from { opacity: 0; transform: translateX(-50%) translateY(20px); }
    to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* Scrollbar */
.uic-files-grid::-webkit-scrollbar,
.uic-progress-list::-webkit-scrollbar,
.uic-results-grid::-webkit-scrollbar {
    width: 5px;
}

.uic-files-grid::-webkit-scrollbar-track,
.uic-progress-list::-webkit-scrollbar-track,
.uic-results-grid::-webkit-scrollbar-track {
    background: #F3F4F6;
    border-radius: 3px;
}

.uic-files-grid::-webkit-scrollbar-thumb,
.uic-progress-list::-webkit-scrollbar-thumb,
.uic-results-grid::-webkit-scrollbar-thumb {
    background: var(--uic-primary);
    border-radius: 3px;
}

/* Responsive */
@media (max-width: 768px) {
    .uic-plugin-wrapper { padding: 20px 16px; }
    .uic-title { font-size: 32px; }
    .uic-card { padding: 20px; }
    .uic-upload-zone { padding: 30px 20px; }
    .uic-upload-zone h3 { font-size: 20px; }
    .uic-format-row { flex-direction: column; width: 100%; }
    .uic-format-dropdown-wrapper { width: 100%; }
    .uic-btn-convert { width: 100%; justify-content: center; }
    .uic-files-grid { grid-template-columns: 1fr; }
    .uic-results-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .uic-title { font-size: 26px; }
    .uic-desc { font-size: 14px; }
    .uic-file-card { flex-direction: column; text-align: center; gap: 10px; }
    .uic-file-info { flex-direction: column; }
}