/* ===================================
   CATEGORY PAGES - Shared Styles
   For element group pages (alkali, noble gases, etc.)
   =================================== */

/* Category-specific color variables are defined in atomic-lab-variables.css */

/* Global font override for category pages - Inter for all body text */
body.alkali-page,
body.noble-page,
body.halogen-page,
body.transition-page,
body.category-page {
    font-family: var(--font-secondary) !important;
}

/* Ensure divs and general containers use Inter */
body.alkali-page div,
body.noble-page div,
body.halogen-page div,
body.transition-page div,
body.category-page div {
    font-family: inherit;
}

/* Keep Orbitron only for specific heading classes */
body.alkali-page h1,
body.alkali-page h2,
body.alkali-page h3,
body.alkali-page .hero-title,
body.alkali-page .section-header,
body.alkali-page .application-title,
body.alkali-page .demo-title {
    font-family: var(--font-primary) !important;
}

/* Keep JetBrains Mono for data values */
body.alkali-page .stat-value,
body.alkali-page .property-value,
body.alkali-page .timeline-year,
body.alkali-page .summary-stat-value,
body.alkali-page .data-comparison-table td {
    font-family: var(--font-mono) !important;
}

/* Hero Section */
.category-hero {
    background: var(--gradient-dark);
    position: relative;
    padding: 60px 20px 40px;
    overflow: hidden;
    margin-bottom: 40px;
    border-bottom: 1px solid var(--color-border-primary);
}

.category-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 50%, rgba(0, 212, 255, 0.05) 0%, transparent 50%);
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.hero-content {
    max-width: 1600px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

/* Category Badge - Small accent indicator */
.category-badge {
    text-align: center;
    margin-bottom: 20px;
}

.category-badge span {
    display: inline-block;
    padding: 8px 20px;
    color: white;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Category-specific badge colors */
.alkali-badge { background: var(--color-alkali); }
.alkaline-badge { background: var(--color-alkaline); }
.transition-badge { background: var(--color-transition); }
.metalloid-badge { background: var(--color-metalloid); }
.nonmetal-badge { background: var(--color-nonmetal); }
.halogen-badge { background: var(--color-halogen); }
.noble-badge { background: var(--color-noble); }
.lanthanide-badge { background: var(--color-lanthanide); }
.actinide-badge { background: var(--color-actinide); }
.post-transition-badge { background: var(--color-post-transition); }

.hero-title {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 900;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-align: center;
    margin-bottom: 20px;
    position: relative;
    font-family: var(--font-primary) !important; /* Orbitron for hero title */
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--color-text-secondary);
    text-align: center;
    margin-bottom: 40px;
    font-family: var(--font-secondary) !important; /* Inter for subtitle */
}

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

.stat-item {
    text-align: center;
}

.stat-value {
    font-size: 3rem;
    font-weight: bold;
    color: var(--color-primary);
    font-family: var(--font-mono) !important; /* JetBrains Mono for data */
}

.stat-label {
    color: var(--color-text-secondary);
    font-family: var(--font-secondary) !important; /* Inter for labels */
}

/* Floating Elements Animation */
.floating-elements {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
}

.floating-element {
    position: absolute;
    width: 60px;
    height: 60px;
    background: var(--color-surface);
    border: 1px solid var(--color-border-primary);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.5rem;
    color: var(--color-text-primary);
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.1);
    animation: float 20s infinite ease-in-out;
}

/* Subtle category color on floating elements - only for alkali page */
.alkali-page .floating-element {
    border-color: var(--color-alkali);
    color: var(--color-alkali);
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    25% { transform: translateY(-30px) rotate(90deg); }
    50% { transform: translateY(20px) rotate(180deg); }
    75% { transform: translateY(-10px) rotate(270deg); }
}

.floating-element:nth-child(1) { top: 20%; left: 10%; animation-delay: 0s; }
.floating-element:nth-child(2) { top: 60%; left: 85%; animation-delay: 3s; }
.floating-element:nth-child(3) { top: 40%; left: 25%; animation-delay: 6s; }
.floating-element:nth-child(4) { top: 80%; left: 60%; animation-delay: 9s; }
.floating-element:nth-child(5) { top: 10%; left: 70%; animation-delay: 12s; }
.floating-element:nth-child(6) { top: 70%; left: 15%; animation-delay: 15s; }

/* Content Sections */
.content-section {
    max-width: 1600px;
    margin: 0 auto;
    padding: 40px 20px;
    font-family: var(--font-secondary) !important;
    line-height: 1.7;
}


/* Ensure good readability for long text */
.content-section p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--color-text-primary);
    font-family: var(--font-secondary) !important;
}

.content-section li {
    font-size: 1.05rem;
    line-height: 1.8;
    font-family: var(--font-secondary) !important;
}

.section-header {
    font-size: 2rem;
    color: var(--color-primary);
    margin-bottom: 25px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--color-border-primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-family: var(--font-primary) !important; /* Orbitron for headers */
    font-weight: 700;
    position: relative;
}

/* Element Cards Grid */
.element-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 25px;
    margin: 30px 0;
}

.category-element-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border-primary);
    border-radius: 12px;
    padding: 25px;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

.category-element-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 212, 255, 0.2);
    border-color: var(--color-accent);
}

.element-card-number {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 1.2rem;
    color: var(--color-text-secondary);
    font-weight: bold;
}

.element-card-symbol {
    font-size: 3rem;
    font-weight: 900;
    color: var(--color-text-primary);
    margin-bottom: 10px;
}

/* Only symbol gets category color on alkali page */
.alkali-page .element-card-symbol {
    color: var(--color-alkali);
}

.element-card-name {
    font-size: 1.8rem;
    color: var(--color-text-primary);
    margin-bottom: 15px;
}

.element-card-description {
    color: var(--color-text-secondary);
    line-height: 1.7;
    font-family: var(--font-secondary) !important;
    font-size: 1rem;
}

.element-card-properties {
    margin-top: 20px;
}

.property-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
}

.property-label {
    color: var(--color-text-secondary);
}

.property-value {
    color: var(--color-text-primary);
    font-weight: bold;
    font-family: var(--font-mono) !important; /* JetBrains Mono for data values */
}

/* Interactive Demonstrations */
.demo-container {
    background: var(--color-surface);
    border: 1px solid var(--color-border-primary);
    border-radius: 12px;
    padding: 30px;
    margin: 30px 0;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

.demo-title {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: 30px;
    text-align: center;
    font-family: var(--font-primary) !important; /* Orbitron for demo titles */
    text-transform: uppercase;
}

/* Data Tables */
.data-comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-surface);
    border: 1px solid var(--color-border-primary);
    border-radius: 8px;
    overflow: hidden;
    margin: 25px 0;
}

.data-comparison-table th {
    background: var(--gradient-dark);
    color: var(--color-primary);
    padding: 12px 15px;
    text-align: left;
    font-weight: 700;
    font-family: var(--font-primary) !important; /* Orbitron for table headers */
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
    border-bottom: 1px solid var(--color-border-primary);
}

.data-comparison-table td {
    padding: 12px 15px;
    border-bottom: 1px solid var(--color-border-secondary);
    color: var(--color-text-primary);
    font-family: var(--font-mono) !important; /* JetBrains Mono for table data */
}

.data-comparison-table tr:hover {
    background: rgba(0, 212, 255, 0.05);
}

/* Application Cards */
.applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

.application-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border-primary);
    border-radius: 15px;
    overflow: hidden;
    transition: transform 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

.application-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 212, 255, 0.2);
}

.application-icon {
    height: 200px;
    background: var(--gradient-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
}

.application-content {
    padding: 25px;
}

.application-title {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: 15px;
    font-family: var(--font-primary) !important; /* Orbitron for app titles */
}

.application-description {
    color: var(--color-text-secondary);
    line-height: 1.7;
    font-family: var(--font-secondary) !important;
    font-size: 1rem;
}

/* Timeline */
.timeline {
    position: relative;
    padding: 40px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: var(--color-border-primary);
}

.timeline-event {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 60px;
    position: relative;
}

.timeline-event:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-content {
    width: 45%;
    background: var(--color-surface);
    padding: 25px;
    border-radius: 10px;
    border: 1px solid var(--color-border-primary);
    font-family: var(--font-secondary) !important;
    line-height: 1.7;
}

.timeline-content p {
    font-size: 1rem;
    color: var(--color-text-primary);
    font-family: var(--font-secondary) !important;
}

.timeline-year {
    position: absolute;
    left: 50%;
    bottom: 105%;
    transform: translateX(-50%);
    background: var(--color-primary);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-weight: bold;
    font-family: var(--font-mono) !important; /* JetBrains Mono for years */
}

/* Global timeline-dot positioning fix - ensure consistent positioning across all category pages */
.timeline-dot {
    position: absolute;
    left: 50%;
    bottom: 105% !important;
    transform: translateX(-50%);
}

/* Safety Warning */
.safety-warning {
    background: var(--color-surface);
    border: 2px solid var(--color-error);
    border-radius: 12px;
    padding: 30px;
    margin: 40px 0;
    position: relative;
    overflow: hidden;
}

.safety-warning::before {
    content: '⚠️';
    position: absolute;
    top: -20px;
    right: -20px;
    font-size: 100px;
    opacity: 0.1;
}

.safety-title {
    font-size: 1.8rem;
    color: var(--color-error);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.safety-content {
    color: var(--color-text-primary);
    line-height: 1.8;
    font-family: var(--font-secondary) !important;
    font-size: 1.05rem;
}

.safety-content p {
    margin-bottom: 12px;
    font-family: var(--font-secondary) !important;
}

/* Call to Action Buttons */
.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-button {
    background: var(--gradient-dark);
    color: var(--color-text-primary);
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    border: 1px solid var(--color-border-primary);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 212, 255, 0.2);
    border-color: var(--color-accent);
}

/* Summary Section */
.summary-section {
    background: linear-gradient(135deg, var(--color-surface), var(--gradient-dark));
    border-radius: 20px;
    padding: 60px 40px;
    margin: 60px auto;
    text-align: center;
}

.summary-title {
    font-size: 3rem;
    color: var(--color-primary);
    margin-bottom: 30px;
}

.summary-text {
    color: var(--color-text-primary);
    font-size: 1.2rem;
    line-height: 1.8;
    max-width: 1000px;
    margin: 0 auto;
    font-family: var(--font-secondary) !important;
}

.summary-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.summary-stat {
    text-align: center;
}

.summary-stat-value {
    font-size: 2.5rem;
    color: var(--color-primary);
    font-weight: bold;
    font-family: var(--font-mono) !important; /* JetBrains Mono for stats */
}

.summary-stat-label {
    color: var(--color-text-secondary);
    font-family: var(--font-secondary) !important;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .element-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline-event {
        flex-direction: column !important;
    }
    
    .timeline-content {
        width: 100%;
    }
    
    .timeline::before {
        left: 20px;
    }
}