/* aitoolset.app — Site Styles
   Imports M² tokens, then applies site-specific components.
   Tailwind CDN handles utilities; this file handles custom components.
*/
@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Inter:wght@400;500;600;700&display=swap');
@import url('m2-tokens.css');

/* ─── Base ─────────────────────────────────────────────────── */
html { scroll-behavior: smooth; }

body {
    background-color: var(--m2-ink);
    color: var(--m2-text);
    font-family: var(--m2-font-body);
    min-height: 100vh;
}

/* Custom scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--m2-ink); }
::-webkit-scrollbar-thumb { background: var(--m2-ink-border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--m2-orange); }

a { text-decoration: none; }

/* ─── Typography ───────────────────────────────────────────── */
.display-heading {
    font-family: var(--m2-font-display);
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

/* ─── Sticky header with glass effect ──────────────────────── */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(12, 14, 20, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--m2-ink-border);
    transition: background var(--m2-transition);
}

.site-header.scrolled {
    background: rgba(12, 14, 20, 0.97);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
}

/* ─── Hero section ─────────────────────────────────────────── */
.hero-section {
    background: linear-gradient(
        180deg,
        rgba(20, 24, 32, 0.8) 0%,
        var(--m2-ink) 100%
    ),
    radial-gradient(
        ellipse 120% 60% at 50% 0%,
        rgba(240, 74, 0, 0.08) 0%,
        transparent 70%
    );
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--m2-orange), transparent);
    opacity: 0.4;
}

/* ─── Search bar ───────────────────────────────────────────── */
.search-wrap {
    position: relative;
    max-width: 600px;
    margin: 0 auto;
}

.search-input {
    width: 100%;
    background: var(--m2-ink-card);
    border: 1px solid var(--m2-ink-border);
    border-radius: 50px;
    padding: 0.85rem 1.25rem 0.85rem 3rem;
    color: var(--m2-text);
    font-family: var(--m2-font-body);
    font-size: 0.95rem;
    transition: border-color var(--m2-transition), box-shadow var(--m2-transition);
    outline: none;
}

.search-input::placeholder { color: var(--m2-text-muted); }

.search-input:focus {
    border-color: var(--m2-orange);
    box-shadow: 0 0 0 3px rgba(240, 74, 0, 0.12);
}

.search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--m2-text-muted);
    pointer-events: none;
}

.search-clear {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--m2-text-muted);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 50%;
    display: none;
    transition: color var(--m2-transition);
}

.search-clear:hover { color: var(--m2-orange); }
.search-clear.visible { display: block; }

/* ─── Stats row ────────────────────────────────────────────── */
.stat-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: var(--m2-ink-card);
    border: 1px solid var(--m2-ink-border);
    border-radius: 50px;
    padding: 0.4rem 0.9rem;
    font-size: 0.8rem;
    color: var(--m2-text-muted);
}

.stat-pill strong { color: var(--m2-text); }

/* ─── Card components ──────────────────────────────────────── */
.m2-card {
    background: var(--m2-ink-card);
    border: 1px solid var(--m2-ink-border);
    border-radius: var(--m2-radius);
    transition: border-color var(--m2-transition), box-shadow var(--m2-transition);
}

.m2-card:hover {
    border-color: rgba(240, 74, 0, 0.3);
}

.card-hover {
    transition: transform var(--m2-transition), box-shadow var(--m2-transition), border-color var(--m2-transition);
}

.card-hover:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

/* Featured card gets the M² offset shadow on hover */
.card-featured {
    position: relative;
}

.card-featured::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--m2-radius);
    border: 1px solid rgba(240, 74, 0, 0.15);
    pointer-events: none;
    transition: opacity var(--m2-transition);
    opacity: 0;
}

.card-featured:hover::after { opacity: 1; }

.card-featured:hover {
    box-shadow: var(--m2-shadow-offset), 0 20px 40px rgba(0, 0, 0, 0.4);
}

/* ─── Pricing badges ───────────────────────────────────────── */
.pricing-badge {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    flex-shrink: 0;
}

.pricing-free    { background: rgba(52, 211, 153, 0.12); color: #6ee7b7; border: 1px solid rgba(52, 211, 153, 0.25); }
.pricing-paid    { background: rgba(240, 74, 0, 0.12); color: var(--m2-orange); border: 1px solid rgba(240, 74, 0, 0.25); }
.pricing-freemium { background: rgba(235, 208, 101, 0.1); color: var(--m2-gold); border: 1px solid rgba(235, 208, 101, 0.25); }

/* ─── Buttons ──────────────────────────────────────────────── */
.btn-primary {
    background: var(--m2-orange);
    color: #fff;
    border: none;
    border-radius: var(--m2-radius);
    padding: 0.75rem 1.5rem;
    font-family: var(--m2-font-body);
    font-weight: 600;
    cursor: pointer;
    transition: background var(--m2-transition), box-shadow var(--m2-transition), transform var(--m2-transition);
    display: inline-block;
}

.btn-primary:hover {
    background: #d94200;
    box-shadow: var(--m2-shadow-offset);
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    color: var(--m2-text);
    border: 1px solid var(--m2-ink-border);
    border-radius: var(--m2-radius);
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: border-color var(--m2-transition), color var(--m2-transition);
    display: inline-block;
}

.btn-outline:hover {
    border-color: var(--m2-gold);
    color: var(--m2-gold);
}

/* ─── Tags / Badges ────────────────────────────────────────── */
.tag {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 0.25rem 0.6rem;
    border-radius: 20px;
    transition: transform var(--m2-transition);
}

.tag:hover { transform: scale(1.05); }

.tag-orange {
    background: rgba(240, 74, 0, 0.15);
    color: var(--m2-orange);
    border: 1px solid rgba(240, 74, 0, 0.3);
}

.tag-gold {
    background: rgba(235, 208, 101, 0.12);
    color: var(--m2-gold);
    border: 1px solid rgba(235, 208, 101, 0.3);
}

.tag-muted {
    background: rgba(138, 132, 120, 0.12);
    color: var(--m2-text-muted);
    border: 1px solid var(--m2-ink-border);
}

/* ─── Category pill buttons ────────────────────────────────── */
.category-btn {
    background: var(--m2-ink-card);
    border: 1px solid var(--m2-ink-border);
    color: var(--m2-text-muted);
    border-radius: 20px;
    padding: 0.4rem 1rem;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--m2-transition);
    display: inline-block;
}

.category-btn:hover,
.category-btn.active {
    background: var(--m2-orange);
    border-color: var(--m2-orange);
    color: #fff;
}

/* ─── Modals ───────────────────────────────────────────────── */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(4px);
    z-index: 40;
    display: none;
}

.modal-backdrop.active { display: block; }

.modal {
    position: fixed;
    inset: 0;
    z-index: 50;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal.active { display: flex; }

.modal-box {
    background: var(--m2-ink-card);
    border: 1px solid var(--m2-ink-border);
    border-radius: var(--m2-radius-lg);
    padding: 2rem;
    max-width: 480px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
}

/* ─── Premium overlay on locked cards ─────────────────────── */
.premium-overlay {
    position: absolute;
    inset: 0;
    background: rgba(12, 14, 20, 0.88);
    backdrop-filter: blur(6px);
    border-radius: var(--m2-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: background var(--m2-transition);
}

/* ─── Section labels ───────────────────────────────────────── */
.section-label {
    font-family: var(--m2-font-display);
    font-size: 0.75rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--m2-gold);
    margin-bottom: 0.5rem;
    display: block;
}

/* ─── Section divider ──────────────────────────────────────── */
.section-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--m2-ink-border), transparent);
    margin: 0;
    border: none;
}

/* ─── Search results empty state ───────────────────────────── */
.search-empty {
    text-align: center;
    padding: 4rem 2rem;
    display: none;
}

.search-empty.visible { display: block; }

/* ─── Tool card visit link ─────────────────────────────────── */
.visit-link {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--m2-orange);
    transition: color var(--m2-transition), gap var(--m2-transition);
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.visit-link:hover { color: #ff7a4a; }

/* ─── Ad placeholders ──────────────────────────────────────── */
.ad-placeholder {
    background: var(--m2-ink-soft);
    border: 1px dashed var(--m2-ink-border);
    border-radius: var(--m2-radius);
    padding: 2rem;
    text-align: center;
    color: var(--m2-text-muted);
    font-size: 0.8rem;
    margin: 1.5rem 0;
}

/* ─── Text utilities ───────────────────────────────────────── */
.text-muted  { color: var(--m2-text-muted); }
.text-gold   { color: var(--m2-gold); }
.text-orange { color: var(--m2-orange); }

.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.line-clamp-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ─── M² footer badge ──────────────────────────────────────── */
.m2-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--m2-text-muted);
    font-size: 0.8rem;
    transition: color var(--m2-transition);
}

.m2-badge:hover { color: var(--m2-orange); }

.m2-badge img {
    width: 20px;
    height: 20px;
    border-radius: 4px;
}

/* ─── Premium CTA gradient ─────────────────────────────────── */
.premium-cta-card {
    background: linear-gradient(135deg, var(--m2-ink-card) 0%, rgba(26, 31, 46, 0.95) 100%);
    border: 1px solid rgba(235, 208, 101, 0.25);
    border-radius: var(--m2-radius-lg);
    position: relative;
    overflow: hidden;
}

.premium-cta-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(235, 208, 101, 0.05), transparent 70%);
    pointer-events: none;
}

/* ─── Feature list ─────────────────────────────────────────── */
.feature-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.9rem;
    color: var(--m2-text-muted);
    padding: 0.4rem 0;
}

.feature-item .check {
    color: var(--m2-gold);
    font-size: 0.75rem;
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: rgba(235, 208, 101, 0.1);
    border: 1px solid rgba(235, 208, 101, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ─── Responsive ───────────────────────────────────────────── */
@media (max-width: 768px) {
    .modal-box { padding: 1.5rem; }
    .search-input { font-size: 0.85rem; }
}

@media print {
    .no-print { display: none !important; }
}