/* ============================================
   Carbonation.dev - Styles
   A fresh, effervescent design for Fizzy add-ons
   ============================================ */

:root {
  /* Color palette - deep blue, fizzy tones */
  --color-bg: #0f172a;
  --color-bg-card: #1e293b;
  --color-text: #f1f5f9;
  --color-text-muted: #94a3b8;
  --color-accent: #3b82f6;
  --color-accent-light: #60a5fa;
  --color-accent-subtle: rgba(59, 130, 246, 0.15);
  --color-border: #334155;
  --color-border-hover: #3b82f6;
  --color-heart: #ef4444;

  /* Typography */
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* Border radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
  --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.3), 0 0 0 1px var(--color-border);
  --shadow-card-hover: 0 8px 24px rgba(59, 130, 246, 0.2), 0 0 0 1px var(--color-border-hover);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-medium: 250ms ease;
  --transition-slow: 400ms ease;
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scrollbar-gutter: stable;
  scrollbar-width: thin;
  scrollbar-color: var(--color-accent) transparent;
}

/* Webkit scrollbar fallback */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

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

::-webkit-scrollbar-thumb:hover {
  background: var(--color-accent-light);
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ============================================
   Animated Bubbles Background
   Realistic rising bubbles with wobble physics
   ============================================ */

.bubbles-container {
  position: fixed;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.bubble {
  position: absolute;
  bottom: -20px;
  border-radius: 50%;
  background: radial-gradient(
    circle at 30% 30%,
    rgba(255, 255, 255, 0.9),
    rgba(255, 255, 255, 0.6) 40%,
    rgba(220, 240, 255, 0.4) 60%,
    rgba(200, 230, 255, 0.2)
  );
  box-shadow:
    inset 0 0 4px rgba(255, 255, 255, 0.8),
    0 0 3px rgba(255, 255, 255, 0.4);
  -webkit-animation: rise 6s ease-in forwards, wobble 3s ease-in-out infinite;
  animation: rise 6s ease-in forwards, wobble 3s ease-in-out infinite;
  animation-duration: var(--rise-duration, 6s), var(--wobble-speed, 3s);
  -webkit-animation-duration: var(--rise-duration, 6s), var(--wobble-speed, 3s);
  will-change: transform, opacity;
  -webkit-transform: translateZ(0);
  transform: translateZ(0);
}

/* Stream bubbles - less wobble for stringy appearance */
.bubble--stream {
  --wobble-amount: 3px;
  -webkit-animation: rise 4s linear forwards, wobble 2s ease-in-out infinite;
  animation: rise 4s linear forwards, wobble 2s ease-in-out infinite;
  animation-duration: var(--rise-duration, 4s), var(--wobble-speed, 2s);
  -webkit-animation-duration: var(--rise-duration, 4s), var(--wobble-speed, 2s);
}

@-webkit-keyframes rise {
  0% {
    -webkit-transform: translateY(0) scale(1);
    transform: translateY(0) scale(1);
    opacity: 1;
  }
  50% {
    -webkit-transform: translateY(-50vh) scale(1.05);
    transform: translateY(-50vh) scale(1.05);
    opacity: 0.8;
  }
  100% {
    -webkit-transform: translateY(-110vh) scale(0.9);
    transform: translateY(-110vh) scale(0.9);
    opacity: 0;
  }
}

@keyframes rise {
  0% {
    transform: translateY(0) scale(1);
    opacity: 1;
  }
  50% {
    transform: translateY(-50vh) scale(1.05);
    opacity: 0.8;
  }
  100% {
    transform: translateY(-110vh) scale(0.9);
    opacity: 0;
  }
}

@-webkit-keyframes wobble {
  0%, 100% {
    margin-left: 0;
  }
  25% {
    margin-left: -10px;
  }
  75% {
    margin-left: 10px;
  }
}

@keyframes wobble {
  0%, 100% {
    margin-left: 0;
  }
  25% {
    margin-left: -10px;
  }
  75% {
    margin-left: 10px;
  }
}

/* ============================================
   Header
   ============================================ */

.header {
  position: relative;
  z-index: 10;
  padding: var(--space-3xl) var(--space-lg) var(--space-2xl);
  text-align: center;
}

.header-content {
  max-width: 600px;
  margin: 0 auto;
}

.logo-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.logo {
  font-family: 'Orbitron', sans-serif;
  font-size: 3.5rem;
  font-weight: 900;
  color: var(--color-text);
  letter-spacing: 0.05em;
  line-height: 1.1;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  text-decoration: none;
  color: inherit;
}

.logo-link:hover {
  text-decoration: none;
}

.logo-icon {
  color: var(--color-accent);
  display: flex;
  animation: float 3s ease-in-out infinite;
}

.logo-text {
  display: flex;
  align-items: baseline;
}

.logo-dev {
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 0.5em;
  font-weight: 500;
  color: var(--color-text);
  margin-left: 0.4em;
  margin-right: -3em;
  letter-spacing: 0.05em;
  padding: 0.15em 0.4em;
  border: 2px solid var(--color-text);
  border-radius: 4px;
  transform: rotate(12deg);
  display: inline-block;
  text-transform: uppercase;
  position: relative;
  top: -0.15em;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-6px);
  }
}

.tagline {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  font-weight: 400;
  text-wrap: balance;
}

.tagline a {
  color: var(--color-accent);
  font-weight: 600;
  position: relative;
  transition: color var(--transition-fast);
}

.tagline a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-medium);
}

.tagline a:hover {
  color: var(--color-accent-light);
}

.tagline a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.tagline sup {
  font-size: 0.6em;
  vertical-align: baseline;
  position: relative;
  top: -0.3em;
}

/* Soda Color Picker */
.soda-picker {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.soda-picker-label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-right: var(--space-xs);
}

.soda-color {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid transparent;
  background: var(--soda);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
}

.soda-color:hover {
  transform: scale(1.2);
  border-color: rgba(255, 255, 255, 0.5);
}

.soda-color.active {
  border-color: white;
  box-shadow: 0 0 0 2px var(--soda), 0 0 12px var(--soda);
}

/* Theme color overrides - bright like real soda! */
[data-theme="cola"] {
  --color-bg: #1a0a05;
  --color-bg-card: #2d1810;
  --color-accent: #c4a484;
  --color-accent-light: #d4b896;
  --color-accent-subtle: rgba(196, 164, 132, 0.15);
  --color-border: #3d2518;
  --color-border-hover: #c4a484;
}

[data-theme="orange"] {
  --color-bg: #7c2d12;
  --color-bg-card: #9a3c18;
  --color-accent: #fb923c;
  --color-accent-light: #fdba74;
  --color-accent-subtle: rgba(251, 146, 60, 0.2);
  --color-border: #b54d20;
  --color-border-hover: #fb923c;
}

[data-theme="lime"] {
  --color-bg: #1a4d1a;
  --color-bg-card: #2d6b2d;
  --color-accent: #a3e635;
  --color-accent-light: #bef264;
  --color-accent-subtle: rgba(163, 230, 53, 0.2);
  --color-border: #3d8b3d;
  --color-border-hover: #a3e635;
  --color-button-text: #1a1a1a;
}

[data-theme="grape"] {
  --color-bg: #4c1d6b;
  --color-bg-card: #6b2d8f;
  --color-accent: #c084fc;
  --color-accent-light: #d8b4fe;
  --color-accent-subtle: rgba(192, 132, 252, 0.2);
  --color-border: #7c3aad;
  --color-border-hover: #c084fc;
}

[data-theme="cherry"] {
  --color-bg: #7f1d1d;
  --color-bg-card: #991b1b;
  --color-accent: #f87171;
  --color-accent-light: #fca5a5;
  --color-accent-subtle: rgba(248, 113, 113, 0.2);
  --color-border: #b91c1c;
  --color-border-hover: #f87171;
}

[data-theme="lemon"] {
  --color-bg: #713f12;
  --color-bg-card: #8b5518;
  --color-accent: #fde047;
  --color-accent-light: #fef08a;
  --color-accent-subtle: rgba(253, 224, 71, 0.2);
  --color-border: #a16b1f;
  --color-border-hover: #fde047;
  --color-button-text: #1a1a1a;
}

/* ============================================
   Main Content
   ============================================ */

.main {
  position: relative;
  z-index: 10;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg) var(--space-3xl);
}

/* ============================================
   Category Sections
   ============================================ */

.category {
  margin-bottom: var(--space-3xl);
}

.category-title {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.category-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--color-accent-subtle);
  color: var(--color-accent);
  border-radius: var(--radius-md);
}

/* ============================================
   Project Cards
   ============================================ */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-lg);
}

.card {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: rgba(30, 41, 59, 0.5);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition: all var(--transition-medium);
  position: relative;
  cursor: pointer;
}

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

.card:hover .card-arrow {
  opacity: 1;
  transform: translate(0, 0);
}

.card:hover .card-icon {
  background: var(--color-accent);
  color: white;
}

.card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  flex-shrink: 0;
  background: var(--color-accent-subtle);
  color: var(--color-accent);
  border-radius: var(--radius-md);
  transition: all var(--transition-medium);
}

.card-content {
  flex: 1;
  min-width: 0;
}

.card-title {
  font-family: var(--font-body);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
  line-height: 1.3;
}

.card-description {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.card-author {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.8125rem;
  color: var(--color-accent);
  margin-top: var(--space-xs);
  font-weight: 500;
}

.card-author-icon {
  flex-shrink: 0;
  width: 12px;
  height: 12px;
  margin-top: -1px;
}

.card-arrow {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  color: var(--color-accent);
  opacity: 0;
  transform: translate(-4px, 4px);
  transition: all var(--transition-medium);
}

/* ============================================
   Submit Section
   ============================================ */

.submit-section {
  position: relative;
  z-index: 10;
  padding: var(--space-3xl) var(--space-lg);
  background: rgba(30, 41, 59, 0.4);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.submit-content {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.submit-title {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.75rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-md);
}

.submit-description {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: var(--space-xl);
}

.submit-button {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  background: var(--color-accent);
  color: var(--color-button-text, white);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-medium);
}

.submit-button:hover {
  background: var(--color-accent-light);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--color-accent-subtle);
}

.submit-alt {
  margin-top: var(--space-md);
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.submit-alt a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.submit-alt a:hover {
  color: var(--color-accent-light);
}

/* ============================================
   Footer
   ============================================ */

.footer {
  position: relative;
  z-index: 10;
  text-align: center;
  padding: var(--space-2xl) var(--space-lg);
  border-top: 1px solid var(--color-border);
  background: rgba(30, 41, 59, 0.35);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.footer-main {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.footer-text {
  font-size: 1rem;
  color: var(--color-text-muted);
}

.footer-text a {
  color: var(--color-text-muted);
  text-decoration: underline !important;
  text-decoration-line: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-fast);
}

.footer-text a:hover {
  color: var(--color-accent);
}

.footer-links {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.footer-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition: all var(--transition-medium);
}

.footer-links a:hover {
  color: var(--color-accent);
}

.footer-disclaimer {
  font-size: 0.6875rem;
  color: var(--color-text-muted);
  opacity: 0.6;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.5;
}

.footer-disclaimer a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.footer-disclaimer a:hover {
  color: var(--color-accent);
}

.heart {
  color: var(--color-heart);
  display: inline-block;
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.15);
  }
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 768px) {
  .header {
    padding: var(--space-2xl) var(--space-md) var(--space-xl);
  }

  .logo {
    font-size: 2.5rem;
  }

  .logo-icon svg {
    width: 32px;
    height: 32px;
  }

  .tagline {
    font-size: 1.125rem;
  }

  .main {
    padding: 0 var(--space-md) var(--space-2xl);
  }

  .category {
    margin-bottom: var(--space-2xl);
  }

  .category-title {
    font-size: 1.25rem;
  }

  .cards {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .card {
    padding: var(--space-md);
  }

  .card-icon {
    width: 48px;
    height: 48px;
  }

  .card-icon svg {
    width: 24px;
    height: 24px;
  }

  .card-title {
    font-size: 1rem;
  }

  .card-description {
    font-size: 0.875rem;
  }

  .card-arrow {
    opacity: 0.5;
    transform: translate(0, 0);
  }

  /* Reduce bubble intensity on mobile */
  .bubble {
    opacity: 0.5;
  }
}

@media (max-width: 480px) {
  .logo {
    font-size: 2rem;
  }

  .logo-link {
    flex-direction: column;
    gap: var(--space-sm);
  }

  .logo-icon svg {
    width: 36px;
    height: 36px;
  }

  .logo-text {
    flex-direction: column;
    align-items: center;
  }

  .logo-dev {
    margin-left: 0;
    margin-right: 0;
    margin-top: 0.2em;
    transform: rotate(12deg);
  }

  .tagline {
    font-size: 1rem;
  }

  .soda-picker {
    flex-wrap: wrap;
    gap: var(--space-sm);
  }

  .soda-picker-label {
    width: 100%;
    text-align: center;
    margin-right: 0;
  }
}

/* ============================================
   Print Styles
   ============================================ */

@media print {
  .bubbles {
    display: none;
  }

  .card {
    box-shadow: none;
    border: 1px solid var(--color-border);
  }

  .footer-links {
    display: none;
  }
}

/* ============================================
   Reduced Motion
   ============================================ */

@media (prefers-reduced-motion: reduce) {
  .bubble,
  .bubble--stream,
  .logo-icon,
  .heart {
    animation: none;
  }

  .bubbles-container {
    display: none;
  }

  .card,
  .card-icon,
  .card-arrow,
  .footer-links a,
  .tagline a::after {
    transition: none;
  }
}