/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

/* Header */
.header {
    background: white;
    padding: 20px 30px;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo h1 {
    font-size: 24px;
    color: #333;
    font-weight: 600;
}

.status-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: #f0f9ff;
    border-radius: 20px;
    font-size: 14px;
    color: #0369a1;
}

.status-badge.online {
    background: #f0fdf4;
    color: #166534;
}

.status-badge.offline {
    background: #fef2f2;
    color: #991b1b;
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #94a3b8;
    animation: pulse 2s infinite;
}

.status-badge.online .dot {
    background: #22c55e;
}

.status-badge.offline .dot {
    background: #ef4444;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

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

@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

/* Main Content */
.main-content {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

/* Card */
.card {
    background: white;
    padding: 32px;
    border-radius: 16px;
    box-shadow: 
        0 1px 3px rgba(0, 0, 0, 0.05),
        0 10px 25px -5px rgba(0, 0, 0, 0.08),
        0 0 0 1px rgba(0, 0, 0, 0.02);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #3eca5d 0%, #667eea 50%, #764ba2 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.card:hover::before {
    opacity: 1;
}

.card:hover {
    box-shadow: 
        0 1px 3px rgba(0, 0, 0, 0.05),
        0 20px 40px -10px rgba(0, 0, 0, 0.12),
        0 0 0 1px rgba(0, 0, 0, 0.02);
    transform: translateY(-2px);
}

.card h2 {
    font-size: 20px;
    margin-bottom: 20px;
    color: #1f2937;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    gap: 20px;
}

.section-header h2 {
    margin-bottom: 0;
}

/* Filter Tabs */
.filter-tabs {
    display: flex;
    gap: 6px;
    background: linear-gradient(145deg, #f8fafc, #f1f5f9);
    padding: 6px;
    border-radius: 12px;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.06);
    position: relative;
}

.filter-tab {
    padding: 12px 28px;
    border: none;
    background: transparent;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    color: #64748b;
    position: relative;
    letter-spacing: 0.3px;
    min-width: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.filter-tab::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 8px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.4));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.filter-tab:hover {
    color: #334155;
    transform: translateY(-1px);
}

.filter-tab:hover::before {
    opacity: 1;
}

.filter-tab.active {
    background: linear-gradient(135deg, #3eca5d 0%, #2ebd4e 100%);
    color: white;
    box-shadow: 
        0 4px 12px rgba(62, 202, 93, 0.3),
        0 2px 4px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.filter-tab.active::before {
    opacity: 0;
}

.filter-tab:active {
    transform: translateY(0);
}

/* File type icons (using pseudo-elements) */
.filter-tab::after {
    content: '📄';
    font-size: 16px;
    order: -1;
}

#tabPng::after {
    content: '🖼️';
}

#tabPdf::after {
    content: '📑';
}

.filter-tab.active::after {
    filter: brightness(1.2);
}

/* Buttons */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: white;
    position: relative;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

.btn-primary {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
}

.btn-success {
    background: linear-gradient(135deg, #3eca5d 0%, #22c55e 100%);
}

.btn-success:hover {
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
}

.btn-info {
    background: linear-gradient(135deg, #0ea5e9 0%, #0284c7 100%);
}

.btn-info:hover {
    background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
}

.btn-secondary {
    background: linear-gradient(135deg, #64748b 0%, #475569 100%);
}

.btn-secondary:hover {
    background: linear-gradient(135deg, #475569 0%, #334155 100%);
}

.btn-danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
}

.btn-danger:hover {
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
}

.btn-large {
    font-size: 16px;
    padding: 14px 28px;
    width: 100%;
    justify-content: center;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 13px;
    border-radius: 8px;
    font-weight: 600;
    background: white;
    color: #64748b;
    border: 2px solid #e2e8f0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-sm:hover {
    background: #f8fafc;
    color: #334155;
    border-color: #cbd5e1;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.btn-sm svg {
    width: 16px;
    height: 16px;
    transition: transform 0.3s ease;
}

.btn-sm:hover svg {
    transform: rotate(180deg);
}
}

.button-group {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

/* Generate Form */
.generate-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.options-panel {
    padding: 20px;
    background: #f9fafb;
    border-radius: 8px;
    border: 2px dashed #d1d5db;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #374151;
}

.form-control {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Loading State */
.loading-state {
    text-align: center;
    padding: 40px 20px;
}

.spinner {
    width: 56px;
    height: 56px;
    border: 5px solid transparent;
    border-top-color: #3eca5d;
    border-right-color: #3eca5d;
    border-radius: 50%;
    animation: spin 0.8s cubic-bezier(0.68, -0.55, 0.27, 1.55) infinite;
    margin: 0 auto 20px;
    position: relative;
    box-shadow: 0 0 20px rgba(62, 202, 93, 0.3);
}

.spinner::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 70%;
    height: 70%;
    border: 4px solid transparent;
    border-bottom-color: #667eea;
    border-left-color: #667eea;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    animation: spin 1.2s cubic-bezier(0.68, -0.55, 0.27, 1.55) infinite reverse;
}

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

.loading-state p {
    color: #64748b;
    font-size: 15px;
    font-weight: 500;
    animation: pulse 2s ease-in-out infinite;
}

/* Result State */
.result-state {
    animation: fadeIn 0.5s ease;
}

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

.success-message {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: #f0fdf4;
    border: 1px solid #86efac;
    border-radius: 8px;
    margin-bottom: 20px;
    color: #166534;
    font-weight: 500;
}

.result-info {
    background: #f9fafb;
    padding: 16px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.result-info p {
    margin-bottom: 8px;
    color: #374151;
    font-size: 14px;
}

.result-info p:last-child {
    margin-bottom: 0;
}

/* Table */
.table-responsive {
    overflow-x: auto;
    border-radius: 12px;
    box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.05);
    background: linear-gradient(to right, white 30%, rgba(255, 255, 255, 0)),
                linear-gradient(to right, rgba(255, 255, 255, 0), white 70%) 0 100%,
                radial-gradient(farthest-side at 0% 50%, rgba(0, 0, 0, 0.1), transparent),
                radial-gradient(farthest-side at 100% 50%, rgba(0, 0, 0, 0.1), transparent) 0 100%;
    background-repeat: no-repeat;
    background-size: 40px 100%, 40px 100%, 14px 100%, 14px 100%;
    background-position: 0 0, 100%, 0 0, 100%;
    background-attachment: local, local, scroll, scroll;
    scroll-behavior: smooth;
}

.table-responsive::-webkit-scrollbar {
    height: 8px;
}

.table-responsive::-webkit-scrollbar-track {
    background: #f1f5f9;
    border-radius: 4px;
}

.table-responsive::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #3eca5d 0%, #667eea 100%);
    border-radius: 4px;
}

.table-responsive::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #22c55e 0%, #5568d3 100%);
}

.report-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 14px;
}

.report-table thead {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    position: sticky;
    top: 0;
    z-index: 10;
}

.report-table th {
    padding: 16px 16px;
    text-align: left;
    font-weight: 700;
    color: #1e293b;
    border-bottom: 2px solid #e2e8f0;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.report-table td {
    padding: 16px;
    border-bottom: 1px solid #f1f5f9;
    color: #475569;
    transition: all 0.2s ease;
}

.report-table tbody tr {
    transition: all 0.2s ease;
}

.report-table tbody tr:hover {
    background: linear-gradient(90deg, #f8fafc 0%, transparent 100%);
    transform: scale(1.01);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.report-table tbody tr:hover td {
    color: #1e293b;
}

.file-type-badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
    transition: all 0.2s ease;
}

.file-type-badge:hover {
    transform: scale(1.05);
}

.file-type-badge.html {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    color: #1e40af;
    border: 1px solid #93c5fd;
}

.file-type-badge.png {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    color: #92400e;
    border: 1px solid #fcd34d;
}

.file-type-badge.pdf {
    background: linear-gradient(135deg, #fce7f3 0%, #fbcfe8 100%);
    color: #9f1239;
    border: 1px solid #f9a8d4;
}
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 80px 20px;
    color: #94a3b8;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-radius: 12px;
    border: 2px dashed #cbd5e1;
}

.empty-state p {
    font-size: 16px;
    font-weight: 500;
    margin: 0;
}

/* Responsive */
@media (max-width: 768px) {
    .header {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .section-header {
        flex-direction: column;
        align-items: stretch;
        gap: 15px;
    }
    
    .filter-tabs {
        flex-direction: row;
        justify-content: center;
    }
    
    .filter-tab {
        flex: 1;
        min-width: auto;
        padding: 10px 16px;
        font-size: 13px;
    }
    
    .filter-tab::after {
        display: none;
    }
    
    .button-group {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .report-table {
        font-size: 12px;
    }
    
    .report-table th,
    .report-table td {
        padding: 8px;
    }
    
    .card {
        padding: 20px;
    }
}