/**
 * KM-SEO Obsidian Toplist Style 1
 * Based on ObsidianStyle design with auto light/dark mode
 * Class prefix: km-seo-obsidian-* to prevent theme conflicts
 * 100% converted from React/Tailwind to pure CSS
 */

/* ============================================
   CSS Variables for Light/Dark Mode
   ============================================ */
:root {
    /* Light Mode Colors - Brighter */
    --km-seo-obsidian-bg: #ffffff;
    --km-seo-obsidian-text: #1f2937;
    --km-seo-obsidian-text-muted: #4b5563;
    --km-seo-obsidian-text-subtle: #6b7280;
    --km-seo-obsidian-border: #e5e7eb;
    --km-seo-obsidian-border-subtle: #f3f4f6;
    --km-seo-obsidian-bg-card: #ffffff;
    --km-seo-obsidian-bg-secondary: #f9fafb;
    --km-seo-obsidian-bg-badge: #ffffff;
    --km-seo-obsidian-bg-badge-border: #d1d5db;
    --km-seo-obsidian-badge-text: #1f2937;
    --km-seo-obsidian-accent: #f59e0b;
    --km-seo-obsidian-accent-hover: #d97706;
    --km-seo-obsidian-shadow: rgba(0, 0, 0, 0.03);
    --km-seo-obsidian-shadow-lg: rgba(0, 0, 0, 0.08);
    --km-seo-obsidian-shadow-xl: rgba(0, 0, 0, 0.6);
    --km-seo-obsidian-glow: rgba(245, 158, 11, 0.15);
}

/* Dark Mode Colors - Auto detect from body */
@media (prefers-color-scheme: dark) {
    :root {
        --km-seo-obsidian-bg: #050505;
        --km-seo-obsidian-text: #ffffff;
        --km-seo-obsidian-text-muted: #9ca3af;
        --km-seo-obsidian-text-subtle: #9ca3af;
        --km-seo-obsidian-border: #1f2937;
        --km-seo-obsidian-border-subtle: #111827;
        --km-seo-obsidian-bg-card: #1a1a1a;
        --km-seo-obsidian-bg-secondary: #2a2a2a;
        --km-seo-obsidian-bg-badge: #111827;
        --km-seo-obsidian-bg-badge-border: #374151;
        --km-seo-obsidian-badge-text: #f59e0b;
        --km-seo-obsidian-accent: #f59e0b;
        --km-seo-obsidian-accent-hover: #fbbf24;
        --km-seo-obsidian-shadow: rgba(0, 0, 0, 0.3);
        --km-seo-obsidian-shadow-lg: rgba(0, 0, 0, 0.5);
        --km-seo-obsidian-shadow-xl: rgba(0, 0, 0, 0.6);
        --km-seo-obsidian-glow: rgba(245, 158, 11, 0.3);
    }
}

/* Auto Dark Mode based on body background */
body.dark .km-seo-obsidian-wrapper,
.km-seo-obsidian-wrapper.km-seo-obsidian-dark {
    --km-seo-obsidian-bg: #050505;
    --km-seo-obsidian-text: #ffffff;
    --km-seo-obsidian-text-muted: #9ca3af;
    --km-seo-obsidian-text-subtle: #9ca3af;
    --km-seo-obsidian-border: #1f2937;
    --km-seo-obsidian-border-subtle: #111827;
    --km-seo-obsidian-bg-card: #1a1a1a;
    --km-seo-obsidian-bg-secondary: #2a2a2a;
    --km-seo-obsidian-bg-badge: #111827;
    --km-seo-obsidian-bg-badge-border: #374151;
    --km-seo-obsidian-badge-text: #f59e0b;
    --km-seo-obsidian-accent: #f59e0b;
    --km-seo-obsidian-accent-hover: #fbbf24;
    --km-seo-obsidian-shadow: rgba(0, 0, 0, 0.3);
    --km-seo-obsidian-shadow-lg: rgba(0, 0, 0, 0.5);
    --km-seo-obsidian-shadow-xl: rgba(0, 0, 0, 0.6);
    --km-seo-obsidian-glow: rgba(245, 158, 11, 0.3);
}

/* ============================================
   Base Wrapper
   ============================================ */
.km-seo-obsidian-wrapper {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 12px;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   Card Container
   ============================================ */
.km-seo-obsidian-card {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    padding: 18px;
    border-radius: 12px;
    border: 1px solid var(--km-seo-obsidian-border);
    background: var(--km-seo-obsidian-bg-card);
    color: var(--km-seo-obsidian-text);
    box-shadow: 0 4px 20px -10px var(--km-seo-obsidian-shadow-lg);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    margin-bottom: 20px;
}

@media (min-width: 768px) {
    .km-seo-obsidian-card {
        flex-direction: row;
        align-items: center;
    }
}

.km-seo-obsidian-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 50px -15px var(--km-seo-obsidian-shadow-lg);
}

/* ============================================
   Rank Badge - Glossy Circle
   ============================================ */
.km-seo-obsidian-rank-badge {
    position: absolute;
    top: -10px;
    left: -10px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 2px solid var(--km-seo-obsidian-bg-badge-border);
    background: var(--km-seo-obsidian-bg-badge);
    color: var(--km-seo-obsidian-badge-text);
    font-size: 16px;
    font-weight: 900;
    z-index: 10;
    box-shadow: 0 2px 12px var(--km-seo-obsidian-shadow);
}

@media (prefers-color-scheme: dark) {
    .km-seo-obsidian-rank-badge {
        box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
    }
}

/* ============================================
   Brand Logo Section
   ============================================ */
.km-seo-obsidian-brand-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    min-width: 140px;
}

.km-seo-obsidian-logo-wrapper {
    padding: 6px;
    border-radius: 16px;
    border: 2px solid var(--km-seo-obsidian-border);
    background: var(--km-seo-obsidian-bg-secondary);
    overflow: hidden;
    box-shadow: inset 0 2px 4px var(--km-seo-obsidian-shadow);
}

.km-seo-obsidian-logo {
    width: 70px;
    height: 70px;
    border-radius: 10px;
    object-fit: cover;
    display: block;
}

.km-seo-obsidian-brand-info {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.km-seo-obsidian-brand-name {
    font-size: 18px;
    font-weight: 900;
    letter-spacing: -0.05em;
    color: var(--km-seo-obsidian-text);
    line-height: 1.2;
}

.km-seo-obsidian-rating {
    display: flex;
    gap: 2px;
    margin-top: 4px;
    align-items: center;
}

.km-seo-obsidian-star {
    width: 12px;
    height: 12px;
    color: #374151;
    fill: currentColor;
    transition: all 0.2s ease;
}

.km-seo-obsidian-star-filled {
    color: var(--km-seo-obsidian-accent);
}

/* ============================================
   Main Info Section
   ============================================ */
.km-seo-obsidian-main-info {
    flex: 1;
    width: 100%;
    text-align: center;
}

@media (min-width: 768px) {
    .km-seo-obsidian-main-info {
        text-align: left;
    }
}

.km-seo-obsidian-tags-section {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin-bottom: 12px;
}

@media (min-width: 768px) {
    .km-seo-obsidian-tags-section {
        justify-content: flex-start;
    }
}

.km-seo-obsidian-tag {
    padding: 4px 8px;
    background-color: #dc2626;
    color: #ffffff;
    font-size: 9px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: 4px;
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.8;
    }
}

.km-seo-obsidian-subtitle {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    opacity: 0.75;
    color: var(--km-seo-obsidian-text-muted);
}

.km-seo-obsidian-title {
    font-size: 20px;
    font-weight: 900;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
    color: var(--km-seo-obsidian-text);
}

.km-seo-obsidian-perks {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 24px 16px;
}

@media (min-width: 768px) {
    .km-seo-obsidian-perks {
        justify-content: flex-start;
    }
}

.km-seo-obsidian-perk-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.km-seo-obsidian-perk-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #10b981;
    flex-shrink: 0;
}

.km-seo-obsidian-perk-text {
    font-size: 12px;
    font-weight: 600;
    color: var(--km-seo-obsidian-text-subtle);
}

.km-seo-obsidian-promotion {
    font-size: 14px;
    line-height: 1.6;
    color: var(--km-seo-obsidian-text-muted);
}

/* ============================================
   CTA Section
   ============================================ */
.km-seo-obsidian-cta-section {
    display: flex;
    flex-direction: column;
    gap: 12px;
    min-width: 200px;
    width: 100%;
}

@media (min-width: 768px) {
    .km-seo-obsidian-cta-section {
        width: auto;
    }
}

.km-seo-obsidian-btn {
    position: relative;
    overflow: hidden;
    padding: 12px 24px;
    border-radius: 10px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 12px;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border: none;
    outline: none;
}

.km-seo-obsidian-btn-primary {
    background: linear-gradient(to right, #f59e0b, #fbbf24);
    color: #000000;
    box-shadow: 0 4px 20px var(--km-seo-obsidian-glow);
}

.km-seo-obsidian-btn-primary:hover {
    background: linear-gradient(to right, #f59e0b, #f59e0b);
    transform: translateY(-1px);
    box-shadow: 0 6px 25px var(--km-seo-obsidian-glow);
}

.km-seo-obsidian-btn-primary:active {
    transform: scale(0.95);
}

.km-seo-obsidian-btn-shine {
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.2);
    transform: translateX(-100%);
    transition: transform 0.7s ease;
}

.km-seo-obsidian-btn-primary:hover .km-seo-obsidian-btn-shine {
    transform: translateX(100%);
}

.km-seo-obsidian-btn-secondary {
    padding: 10px 24px;
    border: 1px solid var(--km-seo-obsidian-border);
    background: var(--km-seo-obsidian-bg-secondary);
    color: var(--km-seo-obsidian-text-subtle);
    font-size: 10px;
    letter-spacing: 0.2em;
}

.km-seo-obsidian-btn-secondary:hover {
    color: var(--km-seo-obsidian-text);
    border-color: var(--km-seo-obsidian-border-subtle);
}

.km-seo-obsidian-btn-text {
    position: relative;
    z-index: 10;
}

/* ============================================
   Responsive Adjustments
   ============================================ */
@media (max-width: 767px) {
    .km-seo-obsidian-card {
        padding: 16px;
        gap: 16px;
    }
    
    .km-seo-obsidian-rank-badge {
        width: 36px;
        height: 36px;
        font-size: 14px;
        top: -8px;
        left: -8px;
    }
    
    .km-seo-obsidian-logo {
        width: 60px;
        height: 60px;
    }
    
    .km-seo-obsidian-brand-name {
        font-size: 16px;
    }
    
    .km-seo-obsidian-title {
        font-size: 18px;
        margin-bottom: 10px;
    }
    
    .km-seo-obsidian-btn {
        padding: 10px 20px;
        font-size: 11px;
    }
    
    .km-seo-obsidian-btn-secondary {
        padding: 8px 20px;
        font-size: 9px;
    }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    .km-seo-obsidian-wrapper {
        break-inside: avoid;
    }
    
    .km-seo-obsidian-btn {
        display: none;
    }
}

/* ============================================
   Accessibility
   ============================================ */
.km-seo-obsidian-btn:focus-visible {
    outline: 2px solid var(--km-seo-obsidian-accent);
    outline-offset: 2px;
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
    .km-seo-obsidian-card,
    .km-seo-obsidian-btn,
    .km-seo-obsidian-btn-shine,
    .km-seo-obsidian-tag {
        transition: none;
        animation: none;
    }
}