/* ============================================================
   PrimeAI — Main Stylesheet
   /assets/css/main.css
   ============================================================ */

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --primary:       #6c47ff;
    --primary-dark:  #5535e0;
    --primary-light: #8b6fff;
    --accent:        #00d4aa;
    --accent-dark:   #00a888;
    --bg-base:       #0d0d1a;
    --bg-card:       #13132a;
    --bg-card2:      #1a1a35;
    --bg-input:      #1e1e3a;
    --border:        #2a2a4a;
    --border-light:  #3a3a5a;
    --text-primary:  #f0f0ff;
    --text-secondary:#a0a0c0;
    --text-muted:    #6060a0;
    --star-color:    #fbbf24;
    --badge-free:    #10b981;
    --badge-paid:    #ef4444;
    --badge-freemium:#6c47ff;
    --radius-sm:     6px;
    --radius-md:     10px;
    --radius-lg:     16px;
    --radius-xl:     24px;
    --shadow-card:   0 2px 20px rgba(0,0,0,0.4);
    --shadow-hover:  0 8px 40px rgba(108,71,255,0.3);
    --transition:    0.2s ease;
    --font-main:     'Inter', -apple-system, sans-serif;
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-main);
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-size: 15px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--primary-light); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent); }
img { max-width: 100%; height: auto; }

/* ---- Typography ---- */
h1, h2, h3, h4, h5, h6 { color: var(--text-primary); font-weight: 700; line-height: 1.2; }
h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
h2 { font-size: clamp(1.4rem, 3vw, 2rem); }
h3 { font-size: 1.25rem; }
p  { color: var(--text-secondary); }

/* ---- Layout ---- */
.container-xl { max-width: 1280px; width: 100%; margin: 0 auto; padding: 0 20px; }
.section-pad  { padding: 60px 0; }
.section-pad-sm { padding: 40px 0; }

/* ============================================================
   NAVBAR
   ============================================================ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(13,13,26,0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

#mainNav { padding: 12px 0; }

.navbar-brand { text-decoration: none; }
.brand-text   { font-size: 1.6rem; font-weight: 800; letter-spacing: -0.5px; }
.brand-prime  { color: var(--text-primary); }
.brand-ai     { color: var(--primary); }

/* Nav search */
.nav-search-wrap {
    display: flex;
    align-items: center;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 50px;
    padding: 0 6px 0 16px;
    width: 340px;
    transition: border-color var(--transition), box-shadow var(--transition);
}
.nav-search-wrap:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(108,71,255,0.15);
}
.nav-search-icon { color: var(--text-muted); font-size: 14px; margin-right: 8px; }
.nav-search-input {
    background: none;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-size: 14px;
    width: 100%;
    padding: 8px 0;
}
.nav-search-input::placeholder { color: var(--text-muted); }
.nav-search-btn {
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 50px;
    padding: 6px 16px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition);
    white-space: nowrap;
}
.nav-search-btn:hover { background: var(--primary-dark); }

/* Nav buttons */
.btn-submit {
    background: var(--primary);
    color: #fff !important;
    border: none;
    border-radius: 50px;
    padding: 8px 20px;
    font-size: 13px;
    font-weight: 600;
    transition: background var(--transition), transform var(--transition);
}
.btn-submit:hover { background: var(--primary-dark); transform: translateY(-1px); }

.btn-ghost {
    background: transparent;
    color: var(--text-secondary) !important;
    border: 1px solid var(--border);
    border-radius: 50px;
    padding: 7px 18px;
    font-size: 13px;
    font-weight: 500;
    transition: all var(--transition);
}
.btn-ghost:hover { border-color: var(--primary); color: var(--primary-light) !important; }

.user-avatar { width: 32px; height: 32px; border-radius: 50%; object-fit: cover; }
.user-initials {
    width: 32px; height: 32px; border-radius: 50%;
    background: var(--primary); color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: 13px; font-weight: 700;
}
.btn-user { background: none; border: 1px solid var(--border); border-radius: 50px; padding: 4px 8px; }

/* Mobile toggler */
.navbar-toggler { border: 1px solid var(--border); border-radius: var(--radius-sm); background: none; color: var(--text-primary); font-size: 1.3rem; padding: 6px 10px; }
.navbar-toggler:focus { box-shadow: none; }

/* Dropdown */
.dropdown-menu {
    background: var(--bg-card2);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
    padding: 6px;
    min-width: 180px;
}
.dropdown-item { color: var(--text-secondary); border-radius: var(--radius-sm); padding: 8px 12px; font-size: 14px; }
.dropdown-item:hover { background: var(--bg-input); color: var(--text-primary); }
.dropdown-divider { border-color: var(--border); }

/* Category bar */
.category-bar {
    border-top: 1px solid var(--border);
    background: rgba(13,13,26,0.8);
    padding: 0;
}
.category-bar-list {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 2px;
    margin: 0;
    padding: 0;
    overflow-x: auto;
    scrollbar-width: none;
}
.category-bar-list::-webkit-scrollbar { display: none; }
.cat-bar-link {
    display: flex;
    align-items: center;
    padding: 10px 14px;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    white-space: nowrap;
    border-bottom: 2px solid transparent;
    transition: all var(--transition);
}
.cat-bar-link:hover, .cat-bar-link.active {
    color: var(--primary-light);
    border-bottom-color: var(--primary);
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
    padding: 80px 0 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    top: -200px; left: 50%;
    transform: translateX(-50%);
    width: 800px; height: 600px;
    background: radial-gradient(ellipse, rgba(108,71,255,0.2) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}
.hero > * { position: relative; z-index: 1; }
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(108,71,255,0.15);
    border: 1px solid rgba(108,71,255,0.3);
    border-radius: 50px;
    padding: 6px 16px;
    font-size: 13px;
    color: var(--primary-light);
    font-weight: 500;
    margin-bottom: 24px;
}
.hero-title {
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
    letter-spacing: -1px;
}
.hero-title .highlight { color: var(--primary); }
.hero-desc {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto 36px;
}
.hero-search-wrap {
    max-width: 620px;
    margin: 0 auto 40px;
}
.hero-search {
    display: flex;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 60px;
    padding: 6px 6px 6px 20px;
    box-shadow: 0 4px 30px rgba(0,0,0,0.3);
    transition: border-color var(--transition), box-shadow var(--transition);
}
.hero-search:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(108,71,255,0.15);
}
.hero-search-input {
    flex: 1;
    background: none;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-size: 16px;
    padding: 8px 0;
}
.hero-search-input::placeholder { color: var(--text-muted); }
.hero-search-btn {
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 50px;
    padding: 12px 28px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition), transform var(--transition);
    white-space: nowrap;
}
.hero-search-btn:hover { background: var(--primary-dark); transform: scale(1.02); }
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}
.hero-stat-num  { font-size: 1.6rem; font-weight: 800; color: var(--text-primary); display: block; }
.hero-stat-label{ font-size: 13px; color: var(--text-muted); }

/* Popular searches */
.popular-searches { font-size: 13px; color: var(--text-muted); }
.popular-searches a {
    display: inline-block;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 50px;
    padding: 4px 12px;
    margin: 3px 3px;
    font-size: 12px;
    color: var(--text-secondary);
    transition: all var(--transition);
}
.popular-searches a:hover { border-color: var(--primary); color: var(--primary-light); }

/* ============================================================
   TOOL CARDS
   ============================================================ */
.tool-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
    height: 100%;
    position: relative;
}
.tool-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
    box-shadow: var(--shadow-hover);
}
.tool-card-header { display: flex; align-items: flex-start; gap: 12px; }
.tool-logo {
    width: 52px; height: 52px; border-radius: var(--radius-md);
    object-fit: cover; background: var(--bg-input);
    border: 1px solid var(--border); flex-shrink: 0;
}
.tool-logo-placeholder {
    width: 52px; height: 52px; border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex; align-items: center; justify-content: center;
    font-size: 20px; font-weight: 800; color: #fff; flex-shrink: 0;
    border: 1px solid var(--border);
}
.tool-name { font-size: 15px; font-weight: 700; color: var(--text-primary); margin-bottom: 2px; display: block; }
.tool-name:hover { color: var(--primary-light); }
.tool-tagline { font-size: 12px; color: var(--text-muted); line-height: 1.4; }
.tool-desc { font-size: 13px; color: var(--text-secondary); line-height: 1.5; flex: 1; }

/* Badges */
.badge-pricing {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 50px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.badge-free     { background: rgba(16,185,129,0.15); color: #10b981; border: 1px solid rgba(16,185,129,0.3); }
.badge-freemium { background: rgba(108,71,255,0.15); color: var(--primary-light); border: 1px solid rgba(108,71,255,0.3); }
.badge-paid     { background: rgba(239,68,68,0.12); color: #ef4444; border: 1px solid rgba(239,68,68,0.25); }
.badge-featured { background: rgba(251,191,36,0.15); color: #fbbf24; border: 1px solid rgba(251,191,36,0.3); }
.badge-new      { background: rgba(0,212,170,0.15); color: var(--accent); border: 1px solid rgba(0,212,170,0.3); }
.badge-verified { background: rgba(108,71,255,0.15); color: var(--primary-light); border: 1px solid rgba(108,71,255,0.3); }

.tool-badges { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }

/* Stars */
.stars { display: inline-flex; align-items: center; gap: 1px; }
.star-full::before  { content: '★'; color: var(--star-color); font-size: 13px; }
.star-half::before  { content: '⯨'; color: var(--star-color); font-size: 13px; }
.star-empty::before { content: '★'; color: var(--border-light); font-size: 13px; }
.rating-num { font-size: 12px; color: var(--text-muted); margin-left: 3px; }

.tool-meta { display: flex; align-items: center; justify-content: space-between; gap: 8px; font-size: 12px; color: var(--text-muted); }
.tool-card-footer { margin-top: auto; padding-top: 12px; border-top: 1px solid var(--border); display: flex; gap: 8px; }

.btn-visit {
    flex: 1;
    background: var(--primary);
    color: #fff !important;
    border: none;
    border-radius: var(--radius-sm);
    padding: 8px;
    font-size: 13px;
    font-weight: 600;
    text-align: center;
    transition: background var(--transition);
    display: block;
}
.btn-visit:hover { background: var(--primary-dark); }
.btn-bookmark {
    width: 36px; height: 36px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition);
    font-size: 15px;
}
.btn-bookmark:hover { border-color: var(--accent); color: var(--accent); }
.btn-bookmark.active { background: rgba(0,212,170,0.1); border-color: var(--accent); color: var(--accent); }

/* Sponsored / featured overlay */
.tool-card.is-featured { border-color: rgba(251,191,36,0.4); }
.tool-card.is-sponsored { border-color: rgba(108,71,255,0.5); }
.badge-sponsored-tag {
    position: absolute;
    top: 12px; right: 12px;
    background: rgba(108,71,255,0.2);
    border: 1px solid rgba(108,71,255,0.4);
    border-radius: 4px;
    font-size: 10px;
    font-weight: 600;
    padding: 2px 7px;
    color: var(--primary-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ============================================================
   SECTION HEADERS
   ============================================================ */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
}
.section-title { font-size: 1.4rem; font-weight: 700; margin: 0; }
.section-title span { color: var(--primary); }
.section-view-all { font-size: 13px; color: var(--primary-light); font-weight: 500; }
.section-view-all:hover { color: var(--accent); }

/* ============================================================
   CATEGORY CARDS
   ============================================================ */
.cat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 14px;
    transition: all var(--transition);
    text-decoration: none;
}
.cat-card:hover { border-color: var(--primary); transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.cat-icon {
    width: 44px; height: 44px;
    border-radius: var(--radius-md);
    background: rgba(108,71,255,0.15);
    border: 1px solid rgba(108,71,255,0.25);
    display: flex; align-items: center; justify-content: center;
    font-size: 20px; flex-shrink: 0;
    color: var(--primary-light);
}
.cat-name  { font-size: 14px; font-weight: 600; color: var(--text-primary); display: block; }
.cat-count { font-size: 12px; color: var(--text-muted); }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    padding: 60px 0 0;
    margin-top: 80px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 40px;
}
.footer-brand { font-size: 1.4rem; font-weight: 800; display: block; margin-bottom: 12px; }
.footer-tagline { font-size: 13px; color: var(--text-muted); margin-bottom: 16px; }
.footer-social { display: flex; gap: 10px; margin-bottom: 16px; }
.social-link {
    width: 36px; height: 36px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: var(--text-secondary); font-size: 15px;
    transition: all var(--transition);
}
.social-link:hover { background: var(--primary); border-color: var(--primary); color: #fff; }
.footer-affiliate-note { font-size: 11px; color: var(--text-muted); line-height: 1.5; }
.footer-heading { font-size: 13px; font-weight: 700; color: var(--text-primary); text-transform: uppercase; letter-spacing: 0.8px; margin-bottom: 16px; }
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 13px; color: var(--text-muted); transition: color var(--transition); }
.footer-links a:hover { color: var(--primary-light); }
.footer-newsletter-text { font-size: 13px; color: var(--text-muted); margin-bottom: 12px; }
.newsletter-input-wrap { display: flex; gap: 6px; margin-bottom: 8px; }
.newsletter-input {
    flex: 1;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 9px 14px;
    color: var(--text-primary);
    font-size: 13px;
    outline: none;
    transition: border-color var(--transition);
}
.newsletter-input:focus { border-color: var(--primary); }
.newsletter-btn {
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    padding: 9px 16px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: background var(--transition);
}
.newsletter-btn:hover { background: var(--primary-dark); }
.newsletter-success { font-size: 13px; color: var(--badge-free); }
.footer-stats { display: flex; gap: 24px; margin-top: 20px; }
.footer-stat { text-align: center; }
.stat-num   { font-size: 1.2rem; font-weight: 800; color: var(--primary-light); display: block; }
.stat-label { font-size: 11px; color: var(--text-muted); }
.footer-bottom {
    border-top: 1px solid var(--border);
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: var(--text-muted);
}
.footer-bottom-links { display: flex; gap: 16px; }
.footer-bottom-links a { color: var(--text-muted); }
.footer-bottom-links a:hover { color: var(--primary-light); }

/* ============================================================
   PAGINATION
   ============================================================ */
.pagination { margin: 40px 0; display: flex; justify-content: center; }
.pagination-list { list-style: none; display: flex; gap: 6px; flex-wrap: wrap; justify-content: center; }
.page-link {
    display: flex; align-items: center; justify-content: center;
    min-width: 38px; height: 38px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 13px;
    padding: 0 10px;
    transition: all var(--transition);
}
.page-link:hover { border-color: var(--primary); color: var(--primary-light); }
.page-link.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.page-dots { display: flex; align-items: center; color: var(--text-muted); padding: 0 4px; }

/* ============================================================
   ADS ZONES
   ============================================================ */
.ad-zone { text-align: center; margin: 24px 0; }
.ad-label { font-size: 10px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 4px; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
    .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
    .footer-brand-col, .footer-newsletter-col { grid-column: span 1; }
}
@media (max-width: 768px) {
    .hero { padding: 50px 0 40px; }
    .hero-stats { gap: 24px; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }
    .section-header { flex-direction: column; align-items: flex-start; gap: 8px; }
}
@media (max-width: 480px) {
    .footer-grid { grid-template-columns: 1fr; }
    .hero-search { flex-direction: column; border-radius: var(--radius-lg); padding: 10px; gap: 8px; }
    .hero-search-btn { width: 100%; text-align: center; border-radius: var(--radius-sm); }
}