/* SUS CHURCH - Mobile-first responsive styles */
* {
  box-sizing: border-box;
}

:root {
  --color-green: #00ff00;
  --color-pink: #ff00ff;
  --color-red: #ff0000;
  --color-bg: #000000;
  --color-text: #00ff00;
  
  /* Background scale variables */
  --bg-scale-desktop: 1600px;
  --bg-scale-mobile: 900px;
}

/* Base */
html, body {
  height: 100%;
}

/* Safe area insets for mobile */
body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: 'Courier New', monospace;
  margin: 0;
  padding: 0;
  padding-top: env(safe-area-inset-top);
  padding-bottom: env(safe-area-inset-bottom);
  padding-left: env(safe-area-inset-left);
  padding-right: env(safe-area-inset-right);
  min-height: 100vh;
  position: relative;
}

/* Fractal overlay layer (fixed, GPU-optimized) */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  
  /* IMPORTANT: DO NOT use cover - use fixed width with no-repeat for stable scaling */
  background-repeat: no-repeat;
  background-position: center center;
  background-size: var(--bg-scale-desktop) auto;
  
  /* Use fractal.webp directly (guaranteed to exist) */
  /* TODO: After generating optimized assets, enable image-set() for better performance */
  background-image: url("/fractal.webp");
  
  /* Slightly soften for readability without becoming blurry */
  opacity: 0.95;
  
  /* Prevent GPU downscaling artifacts */
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
  backface-visibility: hidden;
  transform: translateZ(0);
}

/* Mobile: switch to mobile scale */
@media (max-width: 768px) {
  body::before {
    background-size: var(--bg-scale-mobile) auto;
    /* Use same fractal.webp but with mobile scale */
    background-image: url("/fractal.webp");
  }
}

/* NOTE: After running tools/gen_bg.js or tools/gen_bg.py to generate optimized assets,
   uncomment the following code to enable image-set() for better performance:
   
   Desktop:
   body::before {
     background-image: image-set(
       url("/assets/bg/fractal-desktop-1x.avif") 1x type("image/avif"),
       url("/assets/bg/fractal-desktop-2x.avif") 2x type("image/avif"),
       url("/assets/bg/fractal-desktop-3x.avif") 3x type("image/avif"),
       url("/assets/bg/fractal-desktop-1x.webp") 1x type("image/webp"),
       url("/assets/bg/fractal-desktop-2x.webp") 2x type("image/webp"),
       url("/assets/bg/fractal-desktop-3x.webp") 3x type("image/webp"),
       url("/fractal.webp") 1x type("image/webp")
     );
   }
   
   Mobile (@media max-width: 768px):
   body::before {
     background-size: var(--bg-scale-mobile) auto;
     background-image: image-set(
       url("/assets/bg/fractal-mobile-1x.avif") 1x type("image/avif"),
       url("/assets/bg/fractal-mobile-2x.avif") 2x type("image/avif"),
       url("/assets/bg/fractal-mobile-3x.avif") 3x type("image/avif"),
       url("/assets/bg/fractal-mobile-1x.webp") 1x type("image/webp"),
       url("/assets/bg/fractal-mobile-2x.webp") 2x type("image/webp"),
       url("/assets/bg/fractal-mobile-3x.webp") 3x type("image/webp"),
       url("/fractal.webp") 1x type("image/webp")
     );
   }
*/


/* Header */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.95);
  border-bottom: 2px dashed var(--color-green);
  padding: 0.5rem 1rem;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 1rem;
}

.lang-select {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.lang-select label {
  color: var(--color-green);
  font-size: 0.9rem;
}

.lang-select select {
  background: var(--color-bg);
  color: var(--color-green);
  border: 1px solid var(--color-green);
  padding: 0.25rem 0.5rem;
  font-family: monospace;
  font-size: 0.9rem;
  cursor: pointer;
}

.lang-select select:focus-visible {
  outline: none;
  border: 1px solid var(--color-green);
}

/* Ticker - CSS animated (replaces marquee) */
.ticker {
  background: var(--color-red);
  color: white;
  font-weight: bold;
  padding: 4px;
  font-size: 0.9rem;
  overflow: hidden;
  white-space: nowrap;
  position: relative;
}

.ticker-content {
  display: inline-block;
  animation: ticker-scroll 20s linear infinite;
}

@keyframes ticker-scroll {
  0% {
    transform: translateX(100%);
  }
  100% {
    transform: translateX(-100%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .ticker-content {
    animation: none;
    transform: none;
  }
  .ticker {
    white-space: normal;
    text-align: center;
  }
}

/* Main container */
main.container {
  max-width: 720px;
  width: 100%;
  margin: 0 auto;
  padding: 1rem;
  padding-left: max(1rem, env(safe-area-inset-left));
  padding-right: max(1rem, env(safe-area-inset-right));
}

/* Headings */
h1 {
  color: var(--color-pink);
  text-align: center;
  text-shadow: 1px 1px 2px white;
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  margin: 1.5rem 0;
}

h2, h3 {
  color: var(--color-pink);
  margin-top: 1.5rem;
  margin-bottom: 1rem;
}

/* Terminal box */
.terminal-box {
  background: rgba(0, 0, 0, 0.7);
  border: 2px dashed var(--color-green);
  padding: 1rem;
  margin: 2rem auto;
  text-align: left;
}

/* Terminal section */
.terminal {
  margin: 2rem 0;
}

.terminal-container {
  background: rgba(0, 0, 0, 0.8);
  border: 1px solid var(--color-green);
  font-family: 'Courier New', monospace;
  font-size: 0.9rem;
  line-height: 1.5;
  margin-top: 0.5rem;
}

.terminal-container:focus-within {
  outline: none;
  border: 1px solid var(--color-green);
}

.terminal-output {
  padding: 1rem;
  min-height: 200px;
  max-height: 400px;
  overflow-y: auto;
  color: var(--color-text);
}

.terminal-output:empty::before {
  content: attr(data-placeholder);
  color: #666;
}

.terminal-line {
  margin: 0.25rem 0;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.terminal-line.prompt {
  color: var(--color-green);
}

.terminal-line.output {
  color: var(--color-text);
}

.terminal-line.error {
  color: var(--color-red);
}

.terminal-line.system {
  color: #888;
}

.terminal-divider {
  border-top: 1px solid var(--color-green);
  margin: 0;
  padding: 0;
}

.terminal-input-line {
  display: flex;
  align-items: center;
  padding: 0.75rem 1rem;
  min-height: 44px;
  gap: 0.25rem;
}

.terminal-prompt {
  color: var(--color-green);
  font-family: monospace;
  user-select: none;
  pointer-events: none;
  flex-shrink: 0;
}

.terminal-input {
  flex: 1;
  outline: none !important;
  border: none !important;
  background: transparent;
  color: var(--color-green);
  font-family: monospace;
  font-size: 0.9rem;
  min-width: 1ch;
  padding: 0;
  margin: 0;
  box-shadow: none !important;
  /* 默认隐藏原生 caret，显示装饰光标 */
  caret-color: transparent;
}

.terminal-input:focus {
  outline: none !important;
  border: none !important;
  box-shadow: none !important;
}

.terminal-input:focus-visible {
  outline: none !important;
  border: none !important;
  box-shadow: none !important;
}

.terminal-input-line:focus-within {
  outline: none;
  border: none;
  box-shadow: none;
}

/* 装饰光标：默认显示（未聚焦时） */
.terminal-cursor {
  display: inline-block;
  width: 0.9ch;
  height: 1em;
  background: var(--color-green);
  margin-left: 0.2ch;
  flex-shrink: 0;
  vertical-align: baseline;
  animation: terminal-blink 1s steps(1) infinite;
  pointer-events: none;
}

/* 关键: 只要输入框 focus, 就隐藏装饰光标并显示原生 caret */
.terminal-input-line:focus-within .terminal-cursor {
  display: none;
}

.terminal-input-line:focus-within .terminal-input {
  caret-color: var(--color-green);
}

@keyframes terminal-blink {
  50% { opacity: 0; }
}

.terminal-hint {
  display: none;
}

/* Glitch effect */
body.glitch .terminal-box {
  animation: glitch-jitter 0.3s infinite;
}

@keyframes glitch-jitter {
  0%, 100% { transform: translate(0, 0); }
  25% { transform: translate(-1px, 1px); }
  50% { transform: translate(1px, -1px); }
  75% { transform: translate(-1px, -1px); }
}

@media (prefers-reduced-motion: reduce) {
  body.glitch .terminal-box {
    animation: none;
  }
}

/* Buttons */
.btn-pray,
button,
.btn {
  background: var(--color-bg);
  color: var(--color-green);
  border: 2px solid var(--color-green);
  padding: 0.5rem 0.75rem;
  font-family: monospace;
  font-size: 0.9rem;
  cursor: pointer;
  display: inline-block;
  min-height: 44px;
  transition: all 0.2s ease;
  text-align: center;
  text-decoration: none;
}

.btn-pray:hover,
button:hover,
.btn:hover {
  background: var(--color-green);
  color: var(--color-bg);
}

.btn-pray:focus-visible,
button:focus-visible,
.btn:focus-visible {
  outline: 2px solid var(--color-green);
  outline-offset: 2px;
}

.btn-pray:active,
button:active,
.btn:active {
  transform: scale(0.98);
}

/* Navigation */
.nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
  background: rgba(0, 0, 0, 0.8);
  padding: 1rem;
  border-top: 2px dashed var(--color-green);
  border-bottom: 2px dashed var(--color-green);
  margin: 1rem 0;
}

.nav a {
  color: var(--color-green);
  text-decoration: none;
  font-size: 0.9rem;
  padding: 0.5rem;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  border: 1px solid transparent;
}

.nav a:hover {
  border-color: var(--color-green);
  background: rgba(0, 255, 0, 0.1);
}

.nav a:focus-visible {
  outline: 2px solid var(--color-green);
  outline-offset: 2px;
}

/* Code blocks */
code {
  color: var(--color-green);
  font-family: 'Courier New', monospace;
  word-break: break-all;
  overflow-wrap: break-word;
  display: inline-block;
  max-width: 100%;
}

address code,
.code-block {
  display: block;
  padding: 0.5rem;
  background: rgba(0, 0, 0, 0.5);
  border: 1px dashed var(--color-green);
  margin: 0.5rem 0;
  word-break: break-all;
  overflow-wrap: break-word;
}

/* Lists */
ul, ol {
  margin: 1rem 0;
  padding-left: 1.5rem;
  list-style: none; /* Remove default bullets, using emoji instead */
}

li {
  margin: 0.5rem 0;
  line-height: 1.6;
}

/* Forms */
textarea,
input[type="text"] {
  width: 100%;
  background: rgba(0, 0, 0, 0.8);
  color: var(--color-green);
  border: 1px solid var(--color-green);
  padding: 0.75rem;
  font-family: monospace;
  font-size: 0.9rem;
  min-height: 44px;
  resize: vertical;
}

textarea:focus-visible,
input[type="text"]:focus-visible {
  outline: 2px solid var(--color-green);
  outline-offset: 2px;
}

/* Confess room */
.confess-form {
  margin: 1.5rem 0;
}

/* === CONFESS::ROOM as Pink Terminal Skin === */
#confess {
  --confess-accent: var(--color-pink);
  --confess-panel-bg: rgba(0, 0, 0, 0.8);
  /* Ensure text color doesn't inherit pink globally */
  color: var(--color-text);
}

/* Title stays pink */
#confess h3 {
  color: var(--confess-accent);
}

/* Paragraph text stays normal color */
#confess p,
#confess h4 {
  color: var(--color-text);
}

/* Confess container - exactly match terminal-container but pink */
.confess-container {
  background: var(--confess-panel-bg);
  border: 1px solid var(--confess-accent);
  font-family: 'Courier New', monospace;
  font-size: 0.9rem;
  line-height: 1.5;
  margin-top: 0.5rem;
  /* Match terminal-container exactly */
  padding: 0;
  border-radius: 0;
  box-shadow: none;
}

.confess-container:focus-within {
  outline: none;
  border: 1px solid var(--confess-accent);
}

/* Input line - match terminal-input-line */
.confess-input-line {
  display: flex;
  align-items: baseline;
  padding: 0.55rem 1rem;
  min-height: 44px;
  gap: 0.25rem;
}

/* Prompt - match terminal-prompt but pink */
.confess-prompt {
  color: var(--confess-accent);
  font-family: monospace;
  user-select: none;
  pointer-events: none;
  flex-shrink: 0;
  padding-top: 0;
  line-height: 1.35;
}

/* Textarea - match terminal-input but pink, with proper caret */
.confess-input {
  flex: 1;
  outline: none !important;
  border: none !important;
  background: transparent;
  color: var(--confess-accent) !important;
  font-family: monospace;
  font-size: 0.9rem;
  padding: 0;
  margin: 0;
  box-shadow: none !important;
  resize: vertical;
  min-height: 100px;
  line-height: 1.35;
  /* Proper caret color - pink when focused, ensure it's visible */
  caret-color: var(--confess-accent) !important;
  /* Ensure cursor is visible and styled correctly */
  cursor: text;
  /* Prevent any color inheritance issues */
  border-color: transparent !important;
}

.confess-input:focus {
  outline: none !important;
  border: none !important;
  box-shadow: none !important;
  caret-color: var(--confess-accent);
}

.confess-input:focus-visible {
  outline: none !important;
  border: none !important;
  box-shadow: none !important;
}

/* Placeholder - match terminal placeholder (grey, not pink) */
.confess-input::placeholder {
  color: #666;
  opacity: 1;
}

/* Divider - match terminal-divider but pink */
.confess-divider {
  border-top: 1px solid var(--confess-accent);
  margin: 0;
  padding: 0;
}

/* Submit line - match terminal input line */
.confess-submit-line {
  display: flex;
  align-items: center;
  padding: 0.75rem 1rem;
  min-height: 44px;
}

/* Submit button - pink theme, match terminal button style */
.confess-submit-btn {
  background: transparent;
  color: var(--confess-accent);
  border: 1px solid var(--confess-accent);
  padding: 0.5rem 1rem;
  font-family: monospace;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s;
  /* Match terminal button cursor */
  cursor: pointer;
}

.confess-submit-btn:hover {
  background: var(--confess-accent);
  color: var(--color-bg);
}

.confess-submit-btn:focus-visible {
  outline: 2px solid var(--confess-accent);
  outline-offset: 2px;
}

.confess-submit-btn:active {
  background: var(--confess-accent);
  color: var(--color-bg);
  opacity: 0.9;
}

.confess-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0;
}

.confess-item {
  background: rgba(0, 0, 0, 0.5);
  border: 1px dashed var(--color-green);
  padding: 1rem;
  margin: 0.5rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.confess-item-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  flex-wrap: wrap;
}

.confess-item-id {
  font-size: 0.8rem;
  color: #888;
  font-family: monospace;
}

.confess-item-date {
  font-size: 0.8rem;
  color: #888;
}

.confess-item-text {
  word-wrap: break-word;
  overflow-wrap: break-word;
  line-height: 1.6;
}

.confess-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}

/* Shop items */
.shop-items {
  display: grid;
  gap: 1rem;
  margin: 1rem 0;
}

.shop-item {
  background: rgba(0, 0, 0, 0.5);
  border: 1px dashed var(--color-green);
  padding: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.shop-item-info {
  flex: 1;
  min-width: 200px;
}

.shop-item-price {
  color: var(--color-pink);
  font-weight: bold;
}

/* Susbank */
.susbank-stats {
  display: grid;
  gap: 1rem;
  margin: 1rem 0;
}

.stat-item {
  background: rgba(0, 0, 0, 0.5);
  border: 1px dashed var(--color-green);
  padding: 1rem;
}

.stat-label {
  color: #888;
  font-size: 0.9rem;
  margin-bottom: 0.25rem;
}

.stat-value {
  font-size: 1.2rem;
  font-weight: bold;
  color: var(--color-green);
}

.achievements {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.badge {
  display: inline-block;
  background: var(--color-pink);
  color: var(--color-bg);
  padding: 0.25rem 0.75rem;
  font-size: 0.8rem;
  font-weight: bold;
  border: 1px solid var(--color-pink);
}

.badge:empty {
  display: none;
}

/* Footer */
footer {
  color: white;
  font-size: 0.8rem;
  text-align: center;
  padding: 1.5rem 1rem;
  margin-top: 2rem;
  border-top: 2px dashed var(--color-green);
}

.disclaimer {
  font-size: 0.75rem;
  color: #888;
  margin-top: 0.5rem;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  main.container {
    padding: 0.75rem;
  }
  
  .terminal-output {
    max-height: 300px;
    font-size: 0.85rem;
  }
  
  h1 {
    font-size: 1.5rem;
  }
  
  .shop-item,
  .confess-item-header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .confess-input-line {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
  
  .confess-prompt {
    padding-top: 0;
  }
  
  .confess-input {
    width: 100%;
  }
  
  .confess-submit-line {
    justify-content: center;
  }
  
  .confess-submit-btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .nav {
    flex-direction: column;
    align-items: stretch;
  }
  
  .nav a {
    text-align: center;
  }
  
  .terminal-input-row {
    flex-direction: column;
    align-items: stretch;
  }
  
  .terminal-prompt {
    margin-bottom: 0.25rem;
  }
}

/* Focus trap for keyboard navigation */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-bg);
  color: var(--color-green);
  padding: 0.5rem;
  border: 2px solid var(--color-green);
  text-decoration: none;
  z-index: 1000;
}

.skip-link:focus {
  top: 0;
}

/* Print styles */
@media print {
  body {
    background: white;
    color: black;
  }
  
  .ticker,
  .terminal-input-row,
  button,
  .btn {
    display: none;
  }
}