/* ============================================================
   AI TrollStore Compatibility Checker & Solutions Portal
   Ultra-Premium Glassmorphism & Apple Dark Design System
   ============================================================ */

:root {
    --bg-base: #080b12;
    --bg-surface: rgba(18, 24, 38, 0.7);
    --bg-surface-hover: rgba(28, 38, 58, 0.85);
    --bg-card: rgba(22, 30, 48, 0.65);
    --bg-input: rgba(14, 19, 32, 0.85);

    --border-subtle: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(59, 130, 246, 0.35);
    --border-accent: rgba(99, 102, 241, 0.3);

    --primary: #3b82f6;
    --primary-gradient: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 50%, #ec4899 100%);
    --primary-glow: rgba(59, 130, 246, 0.35);

    --success: #10b981;
    --success-bg: rgba(16, 185, 129, 0.12);
    --success-glow: rgba(16, 185, 129, 0.3);

    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.12);
    --danger-glow: rgba(239, 68, 68, 0.25);

    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.12);

    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-tertiary: #64748b;

    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;

    --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5), 0 0 1px 1px var(--border-subtle);
    --shadow-glow: 0 0 40px -10px var(--primary-glow);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, sans-serif;
}

body {
    background-color: var(--bg-base);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
}

/* Background Atmospheric Gradients */
.glow-bg {
    position: fixed;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(140px);
    pointer-events: none;
    z-index: 0;
    opacity: 0.15;
}
.glow-1 { top: -100px; left: -100px; background: #3b82f6; }
.glow-2 { top: 30%; right: -150px; background: #8b5cf6; }
.glow-3 { bottom: -100px; left: 20%; background: #ec4899; }

/* Container */
.container {
    width: 100%;
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 1;
}

/* ================= NAVBAR ================= */
.navbar {
    padding: 24px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-subtle);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(8, 11, 18, 0.75);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.brand-icon {
    width: 42px;
    height: 42px;
    background: var(--primary-gradient);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.brand-title {
    font-size: 20px;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--text-primary);
}

.brand-badge {
    background: rgba(59, 130, 246, 0.15);
    color: #60a5fa;
    border: 1px solid rgba(59, 130, 246, 0.3);
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 700;
    margin-left: 6px;
    vertical-align: middle;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 18px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--text-primary);
}

/* ================= HERO SECTION ================= */
.hero {
    padding: 60px 0 36px 0;
    text-align: center;
    max-width: 840px;
    margin: 0 auto;
}

.hero-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.25);
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 600;
    color: #93c5fd;
    margin-bottom: 24px;
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.1);
}

.hero-pill-dot {
    width: 8px;
    height: 8px;
    background: #3b82f6;
    border-radius: 50%;
    animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
    0% { box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.7); }
    70% { box-shadow: 0 0 0 8px rgba(59, 130, 246, 0); }
    100% { box-shadow: 0 0 0 0 rgba(59, 130, 246, 0); }
}

.hero h1 {
    font-size: clamp(32px, 5vw, 54px);
    font-weight: 800;
    letter-spacing: -1.5px;
    line-height: 1.15;
    margin-bottom: 18px;
}

.gradient-text {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: clamp(16px, 2vw, 19px);
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 32px;
}

/* ================= AUTO-DETECTION BAR ================= */
.detector-banner {
    background: rgba(30, 41, 59, 0.6);
    border: 1px solid rgba(99, 102, 241, 0.3);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: var(--radius-md);
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 36px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    animation: slideDown 0.4s ease-out;
}

.detector-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.detector-icon {
    font-size: 28px;
    background: rgba(99, 102, 241, 0.15);
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.detector-text h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
}

.detector-text p {
    font-size: 13px;
    color: var(--text-secondary);
}

.detector-highlight {
    color: #60a5fa;
    font-weight: 600;
}

/* ================= CHECKER CARD ================= */
.checker-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--radius-lg);
    padding: 36px;
    box-shadow: var(--shadow-card), var(--shadow-glow);
    margin-bottom: 48px;
    transition: var(--transition);
}

.checker-card:hover {
    border-color: var(--border-glow);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 28px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.custom-select {
    width: 100%;
    background-color: var(--bg-input);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: 14px 18px;
    color: var(--text-primary);
    font-size: 15px;
    font-weight: 500;
    outline: none;
    cursor: pointer;
    transition: var(--transition);
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 14px center;
    background-size: 18px;
}

.custom-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.custom-select option {
    background-color: #0f172a;
    color: #ffffff;
}

.btn-check-main {
    width: 100%;
    padding: 16px;
    background: var(--primary-gradient);
    color: #ffffff;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 17px;
    font-weight: 700;
    letter-spacing: -0.3px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    transition: var(--transition);
    box-shadow: 0 6px 20px var(--primary-glow);
}

.btn-check-main:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.5);
}

.btn-check-main:active {
    transform: translateY(0);
}

/* ================= RESULT SECTION ================= */
#result-container {
    display: none;
    margin-bottom: 48px;
    animation: fadeIn 0.4s ease-out;
}

.result-card {
    border-radius: var(--radius-lg);
    padding: 36px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border-subtle);
    position: relative;
    overflow: hidden;
}

.result-compatible {
    background: linear-gradient(180deg, rgba(16, 185, 129, 0.1) 0%, rgba(18, 24, 38, 0.8) 100%);
    border-color: rgba(16, 185, 129, 0.4);
    box-shadow: 0 12px 40px var(--success-glow);
}

.result-incompatible {
    background: linear-gradient(180deg, rgba(239, 68, 68, 0.1) 0%, rgba(18, 24, 38, 0.8) 100%);
    border-color: rgba(239, 68, 68, 0.4);
    box-shadow: 0 12px 40px var(--danger-glow);
}

.result-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 24px;
    gap: 20px;
}

.result-status-wrap {
    display: flex;
    align-items: center;
    gap: 18px;
}

.result-icon {
    width: 64px;
    height: 64px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    flex-shrink: 0;
}

.icon-compat {
    background: var(--success-bg);
    border: 1px solid rgba(16, 185, 129, 0.4);
}

.icon-incompat {
    background: var(--danger-bg);
    border: 1px solid rgba(239, 68, 68, 0.4);
}

.result-status-wrap h2 {
    font-size: 26px;
    font-weight: 800;
    margin-bottom: 4px;
}

.badge-status {
    display: inline-block;
    padding: 6px 12px;
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 700;
}

.badge-compat {
    background: rgba(16, 185, 129, 0.2);
    color: #34d399;
    border: 1px solid rgba(16, 185, 129, 0.4);
}

.badge-incompat {
    background: rgba(239, 68, 68, 0.2);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.4);
}

.result-description {
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 20px;
    font-size: 15px;
    color: var(--text-primary);
    line-height: 1.7;
    margin-bottom: 28px;
}

/* Method card inside result */
.method-box {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: var(--radius-md);
    padding: 24px;
    margin-bottom: 28px;
}

.method-box h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.method-box p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 18px;
}

.instructions-pre {
    background: #090d16;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: 16px;
    font-size: 14px;
    color: #cbd5e1;
    white-space: pre-line;
    line-height: 1.8;
    margin-bottom: 20px;
}

.downloads-btn-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.btn-download {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 22px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
}

.btn-ota {
    background: linear-gradient(135deg, #10b981, #059669);
    color: #ffffff;
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.3);
}
.btn-ota:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(16, 185, 129, 0.4); }

.btn-ipa {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: #ffffff;
    box-shadow: 0 4px 14px rgba(59, 130, 246, 0.3);
}
.btn-ipa:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(59, 130, 246, 0.4); }

.btn-tool {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--border-subtle);
    color: var(--text-primary);
}
.btn-tool:hover { background: rgba(255, 255, 255, 0.15); }

/* ================= ALTERNATIVE SOLUTIONS GRID ================= */
.alternatives-section {
    margin-top: 32px;
}

.section-header {
    text-align: center;
    margin-bottom: 32px;
}

.section-header h2 {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 8px;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 15px;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
}

.solution-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.solution-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-glow);
    box-shadow: var(--shadow-card);
}

.solution-top {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 16px;
}

.solution-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(30, 41, 59, 0.8);
    object-fit: cover;
    flex-shrink: 0;
    border: 1px solid var(--border-subtle);
}

.solution-meta h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-primary);
}

.solution-meta .category-tag {
    font-size: 11px;
    color: #60a5fa;
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.solution-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: rgba(99, 102, 241, 0.2);
    border: 1px solid rgba(99, 102, 241, 0.4);
    color: #a5b4fc;
    font-size: 11px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: var(--radius-full);
}

.solution-body p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
}

.solution-compat-bar {
    font-size: 12px;
    color: var(--text-tertiary);
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.solution-footer {
    display: flex;
    gap: 10px;
}

.btn-sol-primary {
    flex: 1;
    text-align: center;
    background: var(--primary);
    color: #ffffff;
    text-decoration: none;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 600;
    transition: var(--transition);
}
.btn-sol-primary:hover { background: #2563eb; }

.btn-sol-guide {
    text-align: center;
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-secondary);
    text-decoration: none;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 600;
    transition: var(--transition);
}
.btn-sol-guide:hover { color: #ffffff; background: rgba(255, 255, 255, 0.12); }

/* ================= FAQ SECTION ================= */
.faq-section {
    padding: 60px 0;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.faq-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
}

.faq-summary {
    padding: 18px 24px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.faq-summary::-webkit-details-marker {
    display: none;
}

.faq-summary::after {
    content: "+";
    font-size: 20px;
    color: var(--primary);
    transition: transform 0.25s ease;
}

details[open] .faq-summary::after {
    transform: rotate(45deg);
}

.faq-content {
    padding: 0 24px 20px 24px;
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.7;
}

/* ================= FOOTER ================= */
.footer {
    border-top: 1px solid var(--border-subtle);
    padding: 40px 0;
    text-align: center;
    color: var(--text-tertiary);
    font-size: 13px;
}

.footer a {
    color: var(--text-secondary);
    text-decoration: none;
}
.footer a:hover { color: var(--primary); }

/* Responsive adjustments */
@media (max-width: 768px) {
    .form-grid { grid-template-columns: 1fr; }
    .detector-banner { flex-direction: column; gap: 14px; text-align: center; }
    .detector-left { flex-direction: column; }
    .result-header { flex-direction: column; }
    .result-status-wrap { flex-direction: column; text-align: center; }
    .solutions-grid { grid-template-columns: 1fr; }
}