/* ============================================
   PDF Toolkit Pro - Main Stylesheet
   ============================================ */

:root {
    --primary: #e74c3c;
    --primary-dark: #c0392b;
    --secondary: #2c3e50;
    --accent: #f39c12;
    --bg: #f8f9fa;
    --bg-card: #ffffff;
    --text: #1a1a2e;
    --text-muted: #6c757d;
    --border: #e9ecef;
    --shadow: 0 2px 12px rgba(0,0,0,0.08);
    --shadow-hover: 0 8px 32px rgba(231,76,60,0.15);
    --radius: 12px;
    --radius-lg: 20px;
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --font: 'Plus Jakarta Sans', -apple-system, sans-serif;
    --mono: 'JetBrains Mono', monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-dark); }

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ---- Header ---- */
.site-header {
    background: #fff;
    border-bottom: 2px solid var(--primary);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 20px rgba(0,0,0,0.08);
}

.header-inner {
    display: flex;
    align-items: center;
    gap: 20px;
    height: 64px;
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    flex-shrink: 0;
}

.logo-icon { font-size: 28px; }

.logo-text { display: flex; flex-direction: column; }

.logo-name {
    font-size: 18px;
    font-weight: 800;
    color: var(--primary);
    line-height: 1.1;
}

.logo-tag {
    font-size: 10px;
    color: var(--text-muted);
    font-weight: 500;
    letter-spacing: 0.5px;
}

.header-search {
    flex: 1;
    max-width: 380px;
    position: relative;
}

.header-search input {
    width: 100%;
    padding: 9px 16px;
    border: 2px solid var(--border);
    border-radius: 30px;
    font-family: var(--font);
    font-size: 14px;
    outline: none;
    transition: var(--transition);
}

.header-search input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(231,76,60,0.1);
}

.search-results {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-hover);
    display: none;
    z-index: 200;
    max-height: 320px;
    overflow-y: auto;
}

.search-results.active { display: block; }

.search-result-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    color: var(--text);
}

.search-result-item:hover { background: var(--bg); }

.header-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-left: auto;
}

.nav-link {
    padding: 7px 14px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
    transition: var(--transition);
    white-space: nowrap;
}

.nav-link:hover { background: var(--bg); color: var(--primary); }
.nav-link.highlight { background: var(--primary); color: #fff !important; }
.nav-link.highlight:hover { background: var(--primary-dark); }

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 22px;
    cursor: pointer;
    padding: 4px 8px;
    margin-left: auto;
}

/* ---- Hero Section ---- */
.hero {
    background: linear-gradient(135deg, #2c3e50 0%, #1a1a2e 40%, #c0392b 100%);
    color: #fff;
    padding: 70px 0 60px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-content { position: relative; z-index: 1; text-align: center; }

.hero h1 {
    font-size: clamp(28px, 5vw, 52px);
    font-weight: 800;
    margin-bottom: 16px;
    line-height: 1.2;
}

.hero h1 span { color: #f39c12; }

.hero p {
    font-size: 18px;
    opacity: 0.85;
    max-width: 600px;
    margin: 0 auto 30px;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.hero-stat { text-align: center; }
.hero-stat strong { display: block; font-size: 28px; font-weight: 800; }
.hero-stat span { font-size: 13px; opacity: 0.75; }

/* ---- Tools Grid ---- */
.tools-section { padding: 60px 0; }

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
}

.section-title {
    font-size: 24px;
    font-weight: 800;
    color: var(--text);
}

.section-title span {
    display: inline-block;
    background: var(--primary);
    color: #fff;
    padding: 2px 10px;
    border-radius: 6px;
    font-size: 14px;
    margin-left: 8px;
    vertical-align: middle;
}

.category-tabs {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 28px;
}

.cat-tab {
    padding: 7px 18px;
    border-radius: 30px;
    border: 2px solid var(--border);
    background: #fff;
    font-family: var(--font);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.cat-tab:hover, .cat-tab.active {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(231,76,60,0.05);
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
}

/* ---- Tool Card ---- */
.tool-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 22px 18px;
    border: 2px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: var(--transition);
    text-decoration: none;
    color: var(--text);
    position: relative;
    overflow: hidden;
}

.tool-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--primary) 0%, transparent 60%);
    opacity: 0;
    transition: var(--transition);
}

.tool-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
    color: var(--text);
}

.tool-card:hover::before { opacity: 0.04; }

.tool-card-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}

.tool-card-icon svg { width: 22px; height: 22px; }

.tool-card-body h3 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 4px;
}

.tool-card-body p {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.4;
}

.badge {
    display: inline-block;
    font-size: 10px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 20px;
    margin-top: 6px;
}

.badge-browser { background: #e8f5e9; color: #2e7d32; }
.badge-server  { background: #e3f2fd; color: #1565c0; }
.badge-hybrid  { background: #fff3e0; color: #e65100; }

/* ---- Tool Page Layout ---- */
.tool-page {
    padding: 40px 0;
}

.tool-header {
    text-align: center;
    margin-bottom: 40px;
}

.tool-header h1 {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 12px;
}

.tool-header p {
    font-size: 16px;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

.tool-container {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 24px;
    max-width: 1100px;
    margin: 0 auto;
}

.tool-box {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 36px;
    border: 2px solid var(--border);
}

.tool-sidebar {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* ---- Upload Zone ---- */
.upload-zone {
    border: 3px dashed var(--border);
    border-radius: var(--radius-lg);
    padding: 50px 30px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.upload-zone:hover, .upload-zone.drag-over {
    border-color: var(--primary);
    background: rgba(231,76,60,0.03);
}

.upload-zone input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
    width: 100%;
    height: 100%;
}

.upload-icon { font-size: 48px; margin-bottom: 16px; }

.upload-zone h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}

.upload-zone p {
    font-size: 14px;
    color: var(--text-muted);
}

.upload-btn-text {
    display: inline-block;
    background: var(--primary);
    color: #fff;
    padding: 10px 28px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 15px;
    margin-top: 16px;
}

/* ---- File List ---- */
.file-list {
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.file-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    background: var(--bg);
    border-radius: 8px;
    border: 1px solid var(--border);
}

.file-item-name {
    flex: 1;
    font-size: 13px;
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.file-item-size {
    font-size: 11px;
    color: var(--text-muted);
    font-family: var(--mono);
}

.file-item-remove {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 16px;
    color: var(--text-muted);
    padding: 2px;
    transition: var(--transition);
}

.file-item-remove:hover { color: var(--primary); }

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 32px;
    border-radius: 30px;
    font-family: var(--font);
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    box-shadow: 0 4px 15px rgba(231,76,60,0.35);
    width: 100%;
    font-size: 17px;
    padding: 15px 40px;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(231,76,60,0.4);
    color: #fff;
}

.btn-primary:disabled {
    background: #ccc;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

.btn-secondary {
    background: #fff;
    color: var(--text);
    border: 2px solid var(--border);
}

.btn-secondary:hover { border-color: var(--primary); color: var(--primary); }

.btn-success {
    background: linear-gradient(135deg, #27ae60, #229954);
    color: #fff;
    box-shadow: 0 4px 15px rgba(39,174,96,0.35);
}

/* ---- Progress ---- */
.progress-area {
    display: none;
    margin-top: 20px;
}

.progress-area.active { display: block; }

.progress-bar-wrap {
    background: var(--border);
    border-radius: 10px;
    height: 8px;
    overflow: hidden;
    margin-bottom: 8px;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 10px;
    transition: width 0.3s ease;
    width: 0%;
}

.progress-text {
    font-size: 13px;
    color: var(--text-muted);
    text-align: center;
}

/* ---- Result Area ---- */
.result-area {
    display: none;
    margin-top: 24px;
    text-align: center;
}

.result-area.active { display: block; }

.result-success {
    background: #e8f5e9;
    border: 2px solid #81c784;
    border-radius: var(--radius);
    padding: 24px;
}

.result-success h3 { color: #2e7d32; margin-bottom: 12px; }

.result-error {
    background: #ffebee;
    border: 2px solid #e57373;
    border-radius: var(--radius);
    padding: 24px;
}

.result-error h3 { color: #c62828; margin-bottom: 8px; }

/* ---- Options Panel ---- */
.options-panel {
    background: var(--bg);
    border-radius: var(--radius);
    padding: 20px;
    margin-top: 20px;
    border: 1px solid var(--border);
}

.options-panel h4 {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.option-group {
    margin-bottom: 14px;
}

.option-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 6px;
}

.option-group select,
.option-group input[type="text"],
.option-group input[type="number"],
.option-group input[type="password"] {
    width: 100%;
    padding: 8px 12px;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-family: var(--font);
    font-size: 14px;
    outline: none;
    transition: var(--transition);
    background: #fff;
}

.option-group select:focus,
.option-group input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(231,76,60,0.1);
}

/* ---- Info Cards ---- */
.info-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 20px;
    border: 1px solid var(--border);
}

.info-card h4 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.info-card ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.info-card ul li {
    font-size: 13px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
}

.info-card ul li::before {
    content: '✓';
    color: #27ae60;
    font-weight: 700;
    flex-shrink: 0;
}

/* ---- Related Tools ---- */
.related-tools { padding: 40px 0; background: var(--bg); }

.related-tools .tools-grid {
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
}

/* ---- Footer ---- */
.site-footer {
    background: var(--secondary);
    color: rgba(255,255,255,0.8);
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
}

.footer-brand .footer-logo {
    font-size: 20px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 12px;
}

.footer-brand p {
    font-size: 13px;
    line-height: 1.7;
    opacity: 0.8;
}

.footer-hindi {
    font-size: 12px !important;
    opacity: 0.6 !important;
    margin-top: 6px;
}

.footer-links { display: flex; flex-direction: column; gap: 10px; }

.footer-links h4 {
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 4px;
}

.footer-links a {
    color: rgba(255,255,255,0.65);
    font-size: 13px;
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover { color: var(--accent); }

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
}

.footer-bottom p { font-size: 12px; opacity: 0.6; }
.footer-bottom a { color: var(--accent); }

/* ---- Mobile Menu ---- */
.mobile-menu {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 999;
}

.mobile-menu.open { display: block; }

.mobile-menu-inner {
    position: absolute;
    top: 0;
    right: 0;
    width: 280px;
    height: 100%;
    background: #fff;
    padding: 20px;
    overflow-y: auto;
}

.mobile-menu-inner .close-btn {
    float: right;
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
}

.mobile-menu-inner nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-top: 40px;
}

.mobile-menu-inner nav a {
    padding: 12px 16px;
    border-radius: 8px;
    color: var(--text);
    font-weight: 500;
    transition: var(--transition);
}

.mobile-menu-inner nav a:hover { background: var(--bg); color: var(--primary); }

/* ---- Admin ---- */
.admin-layout {
    display: grid;
    grid-template-columns: 250px 1fr;
    min-height: 100vh;
}

.admin-sidebar {
    background: var(--secondary);
    color: #fff;
    padding: 0;
}

.admin-sidebar-header {
    padding: 24px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    font-size: 18px;
    font-weight: 800;
}

.admin-nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    color: rgba(255,255,255,0.75);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    border-left: 3px solid transparent;
}

.admin-nav a:hover, .admin-nav a.active {
    background: rgba(255,255,255,0.08);
    color: #fff;
    border-left-color: var(--primary);
}

.admin-main { padding: 32px; background: var(--bg); }

.admin-page-title {
    font-size: 26px;
    font-weight: 800;
    margin-bottom: 28px;
    color: var(--text);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 28px;
}

.stat-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 22px;
    border: 1px solid var(--border);
    border-left: 4px solid var(--primary);
}

.stat-card .stat-value {
    font-size: 32px;
    font-weight: 800;
    color: var(--primary);
}

.stat-card .stat-label {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 4px;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
}

.data-table th {
    background: var(--bg);
    padding: 12px 16px;
    text-align: left;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
}

.data-table td {
    padding: 12px 16px;
    font-size: 14px;
    border-bottom: 1px solid var(--border);
}

.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: var(--bg); }

/* ---- Toggle Switch ---- */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}

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

.toggle-slider {
    position: absolute;
    inset: 0;
    background: #ccc;
    border-radius: 24px;
    cursor: pointer;
    transition: 0.3s;
}

.toggle-slider::before {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    left: 3px;
    bottom: 3px;
    background: #fff;
    border-radius: 50%;
    transition: 0.3s;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.toggle-switch input:checked + .toggle-slider { background: #27ae60; }
.toggle-switch input:checked + .toggle-slider::before { transform: translateX(20px); }

/* ---- Alerts ---- */
.alert {
    padding: 14px 18px;
    border-radius: var(--radius);
    font-size: 14px;
    margin-bottom: 16px;
    border-left: 4px solid;
}

.alert-success { background: #e8f5e9; border-color: #27ae60; color: #1b5e20; }
.alert-error   { background: #ffebee; border-color: #e74c3c; color: #b71c1c; }
.alert-warning { background: #fff3e0; border-color: #f39c12; color: #e65100; }
.alert-info    { background: #e3f2fd; border-color: #3498db; color: #0d47a1; }

/* ---- Ad Container ---- */
.ad-container {
    width: 100%;
    text-align: center;
    margin: 16px 0;
    min-height: 10px;
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
    .tool-container { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .admin-layout { grid-template-columns: 200px 1fr; }
}

@media (max-width: 768px) {
    .header-nav { display: none; }
    .header-search { max-width: 220px; }
    .mobile-menu-btn { display: block; }
    .hero { padding: 40px 0; }
    .hero p { font-size: 15px; }
    .hero-stats { gap: 24px; }
    .tools-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr; gap: 24px; }
    .admin-layout { grid-template-columns: 1fr; }
    .admin-sidebar { display: none; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
    .tools-grid { grid-template-columns: 1fr; }
    .category-tabs { gap: 6px; }
    .cat-tab { padding: 6px 14px; font-size: 13px; }
}