/*
 * ShalaMakes Design System
 * A unified style guide for a premium 3D printing store
 * Aesthetic: Dark futuristic with neon accents, layered depth, 
 * and subtle 3D printing visual motifs
 */

/* ============================================================
   CSS CUSTOM PROPERTIES (Design Tokens)
============================================================ */
:root {
  /* Core Colors */
  --sm-bg-deep: #010104;
  --sm-bg: #020206;
  --sm-bg-elevated: #0a0a12;
  --sm-card: #08080f;
  --sm-card-hover: #0d0d18;
  
  /* Neon Accent - Primary */
  --sm-neon: #00ff66;
  --sm-neon-dim: rgba(0, 255, 102, 0.7);
  --sm-neon-glow: rgba(0, 255, 102, 0.4);
  --sm-neon-subtle: rgba(0, 255, 102, 0.15);
  --sm-neon-faint: rgba(0, 255, 102, 0.08);
  
  /* Secondary Accent - Cyan */
  --sm-cyan: #00d4ff;
  --sm-cyan-dim: rgba(0, 212, 255, 0.6);
  --sm-cyan-glow: rgba(0, 212, 255, 0.3);
  
  /* Tertiary - Purple undertones */
  --sm-purple: #8b5cf6;
  --sm-purple-glow: rgba(139, 92, 246, 0.2);
  
  /* Text */
  --sm-text-main: #f0f0f5;
  --sm-text-secondary: #c8c8d4;
  --sm-text-muted: #8888a0;
  --sm-text-dim: #5a5a70;
  
  /* Borders */
  --sm-border: rgba(0, 255, 102, 0.25);
  --sm-border-subtle: rgba(255, 255, 255, 0.06);
  --sm-border-hover: rgba(0, 255, 102, 0.5);
  
  /* Shadows */
  --sm-shadow-soft: 0 4px 24px rgba(0, 0, 0, 0.5);
  --sm-shadow-deep: 0 8px 40px rgba(0, 0, 0, 0.8);
  --sm-shadow-neon: 0 0 30px rgba(0, 255, 102, 0.3);
  
  /* Spacing Scale */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  
  /* Typography */
  --font-display: 'Orbitron', 'Rajdhani', system-ui, sans-serif;
  --font-body: 'Inter', 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-full: 999px;
  
  /* Transitions */
  --transition-fast: 0.15s ease-out;
  --transition-smooth: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ============================================================
   FONT IMPORTS
============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;600;700;800;900&family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* ============================================================
   GLOBAL RESETS & BASE
============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background: var(--sm-bg);
  color: var(--sm-text-main);
  line-height: 1.65;
  min-height: 100vh;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

img, video {
  max-width: 100%;
  display: block;
}

button {
  font-family: inherit;
  cursor: pointer;
}

::selection {
  background: var(--sm-neon);
  color: var(--sm-bg);
}

/* ============================================================
   ANIMATED BACKGROUND - 3D Printing Aesthetic
============================================================ */
.sm-bg-animation {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-color: var(--sm-bg-deep);
  
  /* Layered background effects */
  background-image:
    /* Top glow */
    radial-gradient(ellipse 80% 50% at 50% -10%, var(--sm-neon-subtle), transparent 60%),
    /* Side accent */
    radial-gradient(circle at 100% 50%, var(--sm-purple-glow), transparent 40%),
    /* Print layer lines - horizontal */
    repeating-linear-gradient(
      0deg,
      transparent 0px,
      transparent 2px,
      rgba(0, 255, 102, 0.03) 2px,
      rgba(0, 255, 102, 0.03) 3px
    ),
    /* Diagonal grid */
    repeating-linear-gradient(
      135deg,
      rgba(0, 255, 102, 0.04) 0px,
      rgba(0, 255, 102, 0.04) 1px,
      transparent 1px,
      transparent 24px
    ),
    /* Cross grid */
    repeating-linear-gradient(
      45deg,
      rgba(0, 212, 255, 0.02) 0px,
      rgba(0, 212, 255, 0.02) 1px,
      transparent 1px,
      transparent 24px
    );
  
  background-size:
    100% 100%,
    100% 100%,
    100% 4px,
    48px 48px,
    48px 48px;
    
  animation: bgShift 30s ease-in-out infinite;
}

@keyframes bgShift {
  0%, 100% { 
    background-position: 0% 0%, 100% 50%, 0% 0%, 0% 0%, 0% 0%;
  }
  50% { 
    background-position: 0% 0%, 100% 50%, 0% 100%, 24px 24px, -24px 24px;
  }
}

/* Scanline overlay effect */
.sm-bg-animation::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent 0px,
    transparent 2px,
    rgba(0, 0, 0, 0.1) 2px,
    rgba(0, 0, 0, 0.1) 4px
  );
  pointer-events: none;
  opacity: 0.3;
}

/* Floating particles effect */
.sm-bg-animation::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: 
    radial-gradient(circle at 20% 30%, var(--sm-neon-faint) 1px, transparent 1px),
    radial-gradient(circle at 80% 70%, var(--sm-cyan-glow) 1px, transparent 1px),
    radial-gradient(circle at 40% 80%, var(--sm-neon-faint) 1px, transparent 1px);
  background-size: 200px 200px, 300px 300px, 150px 150px;
  animation: particles 20s linear infinite;
  opacity: 0.5;
}

@keyframes particles {
  0% { transform: translateY(0); }
  100% { transform: translateY(-200px); }
}

/* ============================================================
   LAYOUT CONTAINERS
============================================================ */
.wrapper {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.wrapper-narrow {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* ============================================================
   HEADER
============================================================ */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: linear-gradient(180deg, rgba(2, 2, 6, 0.98), rgba(2, 2, 6, 0.9));
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--sm-border);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-md) var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.brand-logo {
  position: relative;
}

.brand-logo img {
  height: 70px;
  width: auto;
  filter: drop-shadow(0 0 10px var(--sm-neon-glow));
  transition: filter var(--transition-smooth);
}

.brand-logo:hover img {
  filter: drop-shadow(0 0 20px var(--sm-neon-dim));
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-text-main {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  background: linear-gradient(135deg, var(--sm-text-main), var(--sm-neon));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.brand-text-sub {
  font-size: 0.7rem;
  color: var(--sm-text-muted);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  font-weight: 500;
}

/* Navigation */
nav {
  display: flex;
  gap: var(--space-xl);
  align-items: center;
}

nav a {
  position: relative;
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--sm-text-secondary);
  padding: var(--space-sm) 0;
  transition: color var(--transition-fast);
}

nav a::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--sm-neon), var(--sm-cyan));
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-smooth);
}

nav a:hover {
  color: var(--sm-neon);
}

nav a:hover::before {
  transform: scaleX(1);
  transform-origin: left;
}

nav a.active {
  color: var(--sm-neon);
}

nav a.active::before {
  transform: scaleX(1);
}

/* Mobile Menu */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--sm-border);
  border-radius: var(--radius-sm);
  padding: var(--space-sm) var(--space-md);
  color: var(--sm-neon);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
}

@media (max-width: 768px) {
  .header-inner {
    flex-wrap: wrap;
  }
  
  nav {
    width: 100%;
    flex-wrap: wrap;
    gap: var(--space-md);
    justify-content: center;
  }
  
  nav a {
    font-size: 0.75rem;
  }
}

/* ============================================================
   BUTTONS
============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 12px 28px;
  border-radius: var(--radius-full);
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  border: none;
  cursor: pointer;
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

/* Primary Neon Button */
.btn-neon {
  background: transparent;
  border: 1px solid var(--sm-neon);
  color: var(--sm-neon);
  box-shadow: 
    0 0 0 rgba(0, 255, 102, 0),
    inset 0 0 0 rgba(0, 255, 102, 0);
}

.btn-neon::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--sm-neon), var(--sm-cyan));
  opacity: 0;
  transition: opacity var(--transition-smooth);
}

.btn-neon span {
  position: relative;
  z-index: 1;
}

.btn-neon:hover {
  color: var(--sm-bg);
  border-color: transparent;
  box-shadow: 
    0 0 30px var(--sm-neon-glow),
    0 0 60px var(--sm-neon-subtle);
  transform: translateY(-2px);
}

.btn-neon:hover::before {
  opacity: 1;
}

/* Ghost Button */
.btn-ghost {
  background: transparent;
  border: 1px dashed var(--sm-border);
  color: var(--sm-text-muted);
}

.btn-ghost:hover {
  border-color: var(--sm-neon);
  border-style: solid;
  color: var(--sm-neon);
  box-shadow: 0 0 20px var(--sm-neon-subtle);
}

/* Filled Button */
.btn-filled {
  background: linear-gradient(135deg, var(--sm-neon), #00cc55);
  border: none;
  color: var(--sm-bg);
}

.btn-filled:hover {
  box-shadow: 0 0 40px var(--sm-neon-glow);
  transform: translateY(-2px) scale(1.02);
}

/* Small Button */
.btn-sm {
  padding: 8px 18px;
  font-size: 0.7rem;
}

/* ============================================================
   CARDS
============================================================ */
.card {
  background: linear-gradient(145deg, var(--sm-card), var(--sm-bg-elevated));
  border-radius: var(--radius-lg);
  border: 1px solid var(--sm-border-subtle);
  box-shadow: var(--sm-shadow-soft);
  position: relative;
  overflow: hidden;
  transition: all var(--transition-smooth);
}

.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse at top left,
    var(--sm-neon-faint),
    transparent 60%
  );
  opacity: 0;
  transition: opacity var(--transition-smooth);
}

.card:hover {
  border-color: var(--sm-border);
  box-shadow: 
    var(--sm-shadow-deep),
    0 0 40px var(--sm-neon-subtle);
  transform: translateY(-4px);
}

.card:hover::before {
  opacity: 1;
}

/* Neon Card - More prominent */
.card-neon {
  border: 1px solid var(--sm-border);
  background: 
    radial-gradient(ellipse at top left, var(--sm-neon-subtle), transparent 50%),
    linear-gradient(145deg, var(--sm-card), var(--sm-bg));
  box-shadow: 
    var(--sm-shadow-soft),
    0 0 20px var(--sm-neon-subtle);
}

.card-neon:hover {
  box-shadow: 
    var(--sm-shadow-deep),
    var(--sm-shadow-neon);
}

/* ============================================================
   PRODUCT CARDS
============================================================ */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.product-card {
  background: linear-gradient(160deg, var(--sm-card), rgba(8, 8, 15, 0.8));
  border-radius: var(--radius-lg);
  border: 1px solid var(--sm-border-subtle);
  overflow: hidden;
  transition: all var(--transition-smooth);
  position: relative;
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--sm-neon), transparent);
  opacity: 0;
  transition: opacity var(--transition-smooth);
}

.product-card:hover {
  transform: translateY(-8px);
  border-color: var(--sm-border);
  box-shadow: 
    0 20px 60px rgba(0, 0, 0, 0.6),
    0 0 40px var(--sm-neon-subtle);
}

.product-card:hover::before {
  opacity: 1;
}

.product-image {
  position: relative;
  aspect-ratio: 4/3;
  background: linear-gradient(180deg, var(--sm-bg-elevated), var(--sm-bg));
  overflow: hidden;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.product-card:hover .product-image img {
  transform: scale(1.05);
}

.product-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    0deg,
    rgba(8, 8, 15, 0.9) 0%,
    transparent 40%
  );
  pointer-events: none;
}

.product-content {
  padding: var(--space-lg);
  position: relative;
}

.product-name {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-sm);
  color: var(--sm-text-main);
}

.product-price {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--sm-neon);
  margin-bottom: var(--space-md);
}

.product-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
}

.product-tag {
  font-size: 0.65rem;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: var(--sm-neon-faint);
  color: var(--sm-text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid var(--sm-border-subtle);
}

.product-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
}

/* ============================================================
   SECTION HEADERS
============================================================ */
.section-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--sm-neon);
  margin-bottom: var(--space-sm);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.section-label::before {
  content: '';
  width: 20px;
  height: 1px;
  background: var(--sm-neon);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  line-height: 1.2;
  margin-bottom: var(--space-md);
  background: linear-gradient(135deg, var(--sm-text-main) 60%, var(--sm-neon));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: 0.95rem;
  color: var(--sm-text-muted);
  max-width: 600px;
  line-height: 1.7;
}

.page-header {
  margin: var(--space-xl) 0 var(--space-2xl);
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

/* ============================================================
   HERO SECTION
============================================================ */
.hero {
  padding: var(--space-xl) var(--space-lg);
  border-radius: var(--radius-xl);
  background: 
    radial-gradient(ellipse at top left, var(--sm-neon-subtle), transparent 50%),
    radial-gradient(ellipse at bottom right, var(--sm-purple-glow), transparent 50%),
    linear-gradient(160deg, var(--sm-card), var(--sm-bg));
  border: 1px solid var(--sm-border);
  box-shadow: 
    var(--sm-shadow-deep),
    0 0 60px var(--sm-neon-subtle);
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
  margin-bottom: var(--space-2xl);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 60%;
  height: 200%;
  background: linear-gradient(
    45deg,
    transparent 30%,
    var(--sm-neon-faint) 50%,
    transparent 70%
  );
  animation: heroShine 8s ease-in-out infinite;
  pointer-events: none;
}

@keyframes heroShine {
  0%, 100% { transform: translateX(-100%) rotate(45deg); opacity: 0; }
  50% { transform: translateX(100%) rotate(45deg); opacity: 1; }
}

.hero-kicker {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  color: var(--sm-cyan);
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.hero-kicker::before {
  content: '◆';
  color: var(--sm-neon);
  animation: pulse 2s ease-in-out infinite;
}

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

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  line-height: 1.15;
  margin-bottom: var(--space-md);
}

.hero-highlight {
  background: linear-gradient(135deg, var(--sm-neon), var(--sm-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
}

.hero-sub {
  font-size: 1rem;
  color: var(--sm-text-secondary);
  margin-bottom: var(--space-lg);
  line-height: 1.7;
}

.hero-list {
  list-style: none;
  margin-bottom: var(--space-xl);
}

.hero-list li {
  position: relative;
  padding-left: var(--space-lg);
  margin-bottom: var(--space-sm);
  color: var(--sm-text-secondary);
  font-size: 0.9rem;
}

.hero-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  background: var(--sm-neon);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--sm-neon-glow);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.hero-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--sm-bg);
  border: 1px solid var(--sm-border);
  box-shadow: 
    0 0 40px var(--sm-neon-subtle),
    inset 0 0 60px rgba(0, 0, 0, 0.5);
}

.hero-image img {
  width: 100%;
  height: auto;
  display: block;
}

.hero-image::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    transparent 40%,
    var(--sm-neon-faint) 50%,
    transparent 60%
  );
  animation: imageShine 4s ease-in-out infinite;
}

@keyframes imageShine {
  0%, 100% { transform: translateX(-100%) translateY(-100%); }
  50% { transform: translateX(100%) translateY(100%); }
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-list li {
    padding-left: 0;
    display: inline-block;
    margin: 0 var(--space-sm) var(--space-sm);
  }
  
  .hero-list li::before {
    display: none;
  }
  
  .hero-actions {
    justify-content: center;
  }
}

/* ============================================================
   FORMS
============================================================ */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--sm-text-main);
  margin-bottom: var(--space-sm);
  letter-spacing: 0.02em;
}

.form-group label .required {
  color: var(--sm-neon);
  margin-left: 2px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  border: 1px solid var(--sm-border-subtle);
  background: var(--sm-bg-elevated);
  color: var(--sm-text-main);
  font-family: inherit;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--sm-neon);
  box-shadow: 0 0 0 3px var(--sm-neon-subtle);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--sm-text-dim);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2300ff66' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.form-helper {
  font-size: 0.8rem;
  color: var(--sm-text-dim);
  margin-top: var(--space-xs);
}

.inline-options {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.inline-options label {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  cursor: pointer;
  font-weight: 400;
  color: var(--sm-text-secondary);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  border: 1px solid var(--sm-border-subtle);
  background: var(--sm-bg-elevated);
  transition: all var(--transition-fast);
}

.inline-options label:hover {
  border-color: var(--sm-border);
  background: var(--sm-card);
}

.inline-options input[type="radio"],
.inline-options input[type="checkbox"] {
  width: auto;
  accent-color: var(--sm-neon);
}

.inline-options input:checked + span,
.inline-options label:has(input:checked) {
  color: var(--sm-neon);
  border-color: var(--sm-neon);
}

/* ============================================================
   FOOTER
============================================================ */
footer {
  border-top: 1px solid var(--sm-border-subtle);
  background: linear-gradient(180deg, var(--sm-bg), var(--sm-bg-deep));
  padding: var(--space-xl) var(--space-lg);
  text-align: center;
}

footer p {
  font-size: 0.8rem;
  color: var(--sm-text-muted);
  letter-spacing: 0.1em;
}

footer a {
  color: var(--sm-neon);
  transition: color var(--transition-fast);
}

footer a:hover {
  color: var(--sm-cyan);
}

/* ============================================================
   LIGHTBOX
============================================================ */
.sm-lightbox-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(1, 1, 4, 0.95);
  backdrop-filter: blur(20px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  padding: var(--space-lg);
}

.sm-lightbox-backdrop.is-open {
  display: flex;
  animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.sm-lightbox-content {
  position: relative;
  max-width: 1000px;
  max-height: 90vh;
  width: 100%;
  background: var(--sm-card);
  border-radius: var(--radius-xl);
  border: 1px solid var(--sm-border);
  box-shadow: 0 0 100px var(--sm-neon-subtle);
  padding: var(--space-md);
  overflow: hidden;
}

.sm-lightbox-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  background: var(--sm-bg);
  border: 1px solid var(--sm-border);
  border-radius: var(--radius-full);
  padding: var(--space-sm) var(--space-md);
  color: var(--sm-text-main);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: all var(--transition-fast);
  z-index: 10;
}

.sm-lightbox-close:hover {
  background: var(--sm-neon);
  color: var(--sm-bg);
  border-color: var(--sm-neon);
}

.sm-lightbox-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

.sm-lightbox-inner img,
.sm-lightbox-inner video {
  max-width: 100%;
  max-height: 80vh;
  border-radius: var(--radius-md);
}

/* ============================================================
   FILTER TOOLBAR
============================================================ */
.filters-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: var(--sm-card);
  border: 1px solid var(--sm-border-subtle);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
}

.filters-toolbar-left {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.filters-toolbar-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--sm-text-muted);
}

.filter-select {
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  border: 1px solid var(--sm-border-subtle);
  background: var(--sm-bg);
  color: var(--sm-text-main);
  font-size: 0.8rem;
  cursor: pointer;
  min-width: 140px;
}

.filter-select:focus {
  outline: none;
  border-color: var(--sm-neon);
}

.filters-summary {
  font-size: 0.75rem;
  color: var(--sm-text-dim);
}

.filters-clear {
  font-size: 0.75rem;
  color: var(--sm-text-muted);
  text-decoration: underline;
  text-decoration-style: dotted;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.filters-clear:hover {
  color: var(--sm-neon);
}

/* ============================================================
   UTILITY CLASSES
============================================================ */
.text-neon { color: var(--sm-neon); }
.text-cyan { color: var(--sm-cyan); }
.text-muted { color: var(--sm-text-muted); }
.text-center { text-align: center; }
.text-sm { font-size: 0.85rem; }
.text-xs { font-size: 0.75rem; }

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }

/* ============================================================
   SCROLLBAR STYLING
============================================================ */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--sm-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--sm-border);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--sm-neon-dim);
}

/* ============================================================
   LOADING STATES
============================================================ */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--sm-bg-elevated) 25%,
    var(--sm-card) 50%,
    var(--sm-bg-elevated) 75%
  );
  background-size: 200% 100%;
  animation: skeleton 1.5s ease-in-out infinite;
  border-radius: var(--radius-sm);
}

@keyframes skeleton {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ============================================================
   PRINT LAYER ANIMATION (for loading states)
============================================================ */
.print-loading {
  position: relative;
  overflow: hidden;
}

.print-loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--sm-neon), transparent);
  animation: printLine 2s ease-in-out infinite;
}

@keyframes printLine {
  0% { transform: translateY(0); }
  100% { transform: translateY(100vh); }
}