/* ============================================================
   FJORD CATCH — style.css
   Apple-inspired design system
   Clean · Minimal · Functional · No neon
   ============================================================ */

:root {
  /* Colours — Apple system palette */
  --bg:           #f2f2f7;
  --bg-secondary: #ffffff;
  --bg-tertiary:  #f2f2f7;
  --fill:         rgba(120,120,128,0.12);
  --fill-2:       rgba(120,120,128,0.08);
  --separator:    rgba(60,60,67,0.18);
  --label:        #1c1c1e;
  --label-2:      rgba(60,60,67,0.6);
  --label-3:      rgba(60,60,67,0.3);
  --blue:         #6f14ff;
  --blue-lt:      #8167fa;
  --green:        #40b7c7;
  --red:          #fff041;
  --orange:       #95ff14;
  --fjord:        #645090;    /* signature colour */
  --fjord-lt:     #8470b0;
  --fjord-bg:     #eef3f7;

  /* Shadows — Apple elevation levels */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.06);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.1),  0 2px 8px rgba(0,0,0,0.06);
  --shadow-xl: 0 16px 48px rgba(0,0,0,0.12), 0 4px 12px rgba(0,0,0,0.08);

  /* Typography — system font stack (SF Pro on Apple) */
  --font: -apple-system, BlinkMacSystemFont, 'SF Pro Display',
          'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Courier New', monospace;

  /* Geometry */
  --radius-sm:  8px;
  --radius:     12px;
  --radius-lg:  18px;
  --radius-xl:  24px;
  --radius-pill:100px;
}

/* Dark mode */
@media (prefers-color-scheme: dark) {
  :root {
    --bg:           #1c1c1e;
    --bg-secondary: #2c2c2e;
    --bg-tertiary:  #3a3a3c;
    --fill:         rgba(120,120,128,0.24);
    --fill-2:       rgba(120,120,128,0.16);
    --separator:    rgba(84,84,88,0.6);
    --label:        #ffffff;
    --label-2:      rgba(235,235,245,0.6);
    --label-3:      rgba(235,235,245,0.3);
    --fjord:        #8270b8;
    --fjord-lt:     #a190d8;
    --fjord-bg:     #251f30;
  }
}

/* ── RESET ───────────────────────────────────────────────────── */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  background:var(--bg);
  color:var(--label);
  font-family:var(--font);
  font-size:17px;
  line-height:1.5;
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{display:block;max-width:100%;}
button{font-family:inherit;cursor:pointer;}

/* ── HEADER ─────────────────────────────────────────────────── */
header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:52px;
  padding:0 20px;
  background:rgba(242,242,247,0.85);
  backdrop-filter:saturate(180%) blur(20px);
  -webkit-backdrop-filter:saturate(180%) blur(20px);
  border-bottom:1px solid var(--separator);
  position:sticky;top:0;z-index:100;
}
@media(prefers-color-scheme:dark){
  header{background:rgba(28,28,30,0.85);}
}
.logo{
  font-size:17px;
  font-weight:600;
  letter-spacing:-0.3px;
  color:var(--label);
  display:flex;align-items:center;gap:8px;
}
.logo-icon{font-size:20px;}
nav{display:flex;align-items:center;gap:0;}
nav a{
  font-size:15px;
  font-weight:400;
  color:var(--blue);
  text-decoration:none;
  padding:6px 12px;
  border-radius:var(--radius-sm);
  transition:background 0.15s;
}
nav a:hover{background:var(--fill);}

/* Lang switcher */
#lang-switcher{position:relative;margin-left:4px;}
#lang-btn{
  display:flex;align-items:center;gap:4px;
  font-size:15px;color:var(--blue);
  background:none;border:none;
  padding:6px 10px;border-radius:var(--radius-sm);
  transition:background 0.15s;
}
#lang-btn:hover{background:var(--fill);}
#lang-btn .arrow{font-size:11px;opacity:0.6;transition:transform 0.2s;}
#lang-btn.open .arrow{transform:rotate(180deg);}
#lang-dropdown{
  display:none;
  position:absolute;top:calc(100% + 6px);right:0;
  background:var(--bg-secondary);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-xl);
  overflow:hidden;z-index:200;
  min-width:164px;
  border:1px solid var(--separator);
}
#lang-dropdown.open{display:block;}
.lang-option{
  display:flex;align-items:center;gap:10px;
  padding:12px 16px;
  font-size:15px;color:var(--label);
  cursor:pointer;transition:background 0.12s;
}
.lang-option:not(:last-child){border-bottom:1px solid var(--separator);}
.lang-option:hover{background:var(--fill);}
.lang-option.active{color:var(--blue);font-weight:500;}
.lang-flag{font-size:18px;line-height:1;}

/* ── PAGE LAYOUT ─────────────────────────────────────────────── */
#game-section{
  display:flex;flex-direction:column;align-items:center;
  padding:24px 20px 64px;gap:16px;
  max-width:800px;margin:0 auto;
}

/* ── SCORE BAR ───────────────────────────────────────────────── */
#score-bar{
  width:100%;
  display:flex;
  background:var(--bg-secondary);
  border-radius:var(--radius-xl);
  box-shadow:var(--shadow-sm);
  overflow:hidden;
}
.score-cell{
  flex:1;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:14px 8px;
  gap:2px;
}
.score-cell:not(:last-child){border-right:1px solid var(--separator);}
.score-label{
  font-size:11px;
  font-weight:500;
  letter-spacing:0.5px;
  text-transform:uppercase;
  color:var(--label-2);
}
.score-value{
  font-size:22px;
  font-weight:600;
  letter-spacing:-0.5px;
  color:var(--label);
}
#score-value{color:var(--fjord);}
#streak-value{color:var(--green);}
#diff-controls{
  display:flex;align-items:center;gap:6px;
  padding:0 12px;border-left:1px solid var(--separator);
  flex-shrink:0;
}
.diff-seg{
  font-size:13px;font-weight:500;
  padding:5px 12px;
  border-radius:var(--radius-pill);
  background:none;border:none;
  color:var(--label-2);
  transition:all 0.18s;
}
.diff-seg.active{background:var(--fjord);color:#fff;}
#start-btn-bar{
  font-size:15px;font-weight:500;
  padding:8px 18px;
  background:var(--blue);
  color:#fff;border:none;
  border-radius:var(--radius-pill);
  transition:opacity 0.15s;
  white-space:nowrap;
}
#start-btn-bar:active{opacity:0.8;}

/* ── GAME CARD ───────────────────────────────────────────────── */
#game-card{
  width:100%;
  background:var(--bg-secondary);
  border-radius:var(--radius-xl);
  box-shadow:var(--shadow-lg);
  overflow:hidden;
  position:relative;
}

/* Fjord scene (canvas / image) */
#fjord-scene{
  width:100%;
  aspect-ratio:16/7;
  position:relative;
  overflow:hidden;
  background:var(--fjord-bg);
}
#fjord-canvas{display:block;width:100%;height:100%;}

/* Timer arc overlay */
#timer-wrap{
  position:absolute;top:12px;right:14px;
  width:52px;height:52px;
}
#timer-svg{width:52px;height:52px;}
#timer-text{
  position:absolute;inset:0;
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:600;color:var(--label);
}

/* Round label */
#round-label{
  position:absolute;top:14px;left:16px;
  font-size:13px;font-weight:500;
  color:var(--label-2);
  background:rgba(242,242,247,0.82);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  padding:4px 10px;border-radius:var(--radius-pill);
}
@media(prefers-color-scheme:dark){
  #round-label{background:rgba(44,44,46,0.82);}
}

/* Fish display area */
#fish-area{
  padding:24px 24px 16px;
  display:flex;flex-direction:column;align-items:center;gap:12px;
}
#fish-img-wrap{
  position:relative;
  width:200px;height:112px;
  display:flex;align-items:center;justify-content:center;
}
#fish-img{
  width:180px;height:100px;object-fit:contain;
  transition:transform 0.3s cubic-bezier(0.34,1.56,0.64,1), opacity 0.25s;
}
#fish-img.entering{transform:translateX(-40px) scale(0.85);opacity:0;}
#fish-img.visible{transform:translateX(0) scale(1);opacity:1;}
#fish-img.leaving{transform:translateX(40px) scale(0.85);opacity:0;}

/* Result badge overlaid on fish */
#result-badge{
  position:absolute;top:-4px;right:-4px;
  width:36px;height:36px;
  opacity:0;
  transform:scale(0.5);
  transition:all 0.25s cubic-bezier(0.34,1.56,0.64,1);
}
#result-badge.show{opacity:1;transform:scale(1);}

#fish-name{
  font-size:19px;font-weight:600;letter-spacing:-0.3px;
  color:var(--label);text-align:center;
}
#fish-hint{
  font-size:14px;color:var(--label-2);
  text-align:center;max-width:340px;line-height:1.45;
}

/* Feedback strip */
#feedback-strip{
  height:36px;display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:500;
  padding:0 24px;
  transition:opacity 0.2s;
  opacity:0;
}
#feedback-strip.show{opacity:1;}
#feedback-strip.correct{color:var(--green);}
#feedback-strip.wrong{color:var(--red);}
#feedback-strip.timeout{color:var(--orange);}

/* ── BAIT GRID ───────────────────────────────────────────────── */
#bait-section{
  width:100%;
  padding:0 0 8px;
}
#bait-label{
  font-size:13px;font-weight:500;color:var(--label-2);
  text-align:center;padding:8px 0 12px;
  letter-spacing:0.2px;
}
#bait-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:10px;
  padding:0 16px 16px;
}
.bait-btn{
  display:flex;flex-direction:column;align-items:center;gap:7px;
  padding:14px 8px 12px;
  background:var(--bg-secondary);
  border:1.5px solid var(--separator);
  border-radius:var(--radius-lg);
  transition:all 0.15s cubic-bezier(0.25,0.46,0.45,0.94);
  box-shadow:var(--shadow-sm);
  cursor:pointer;
  -webkit-user-select:none;user-select:none;
}
.bait-btn:hover{
  border-color:var(--fjord-lt);
  box-shadow:var(--shadow-md);
  transform:translateY(-2px);
}
.bait-btn:active{transform:scale(0.97);}
.bait-btn.selected{
  border-color:var(--blue);
  background:rgba(0,122,255,0.06);
  box-shadow:0 0 0 4px rgba(0,122,255,0.12),var(--shadow-sm);
}
.bait-btn.correct{
  border-color:var(--green);
  background:rgba(52,199,89,0.08);
  box-shadow:0 0 0 4px rgba(52,199,89,0.15);
}
.bait-btn.wrong{
  border-color:var(--red);
  background:rgba(255,59,48,0.06);
  opacity:0.7;
}
.bait-btn.disabled{pointer-events:none;opacity:0.5;}
.bait-img{width:48px;height:48px;object-fit:contain;}
.bait-img-placeholder{width:48px;height:48px;display:flex;align-items:center;justify-content:center;font-size:28px;}
.bait-name{
  font-size:12px;font-weight:500;
  color:var(--label-2);text-align:center;
  line-height:1.2;
}

/* ── OVERLAY ─────────────────────────────────────────────────── */
#overlay{
  position:fixed;inset:0;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:20px;padding:32px 24px;
  background:rgba(0,0,0,0.45);
  backdrop-filter:blur(24px) saturate(1.5);
  -webkit-backdrop-filter:blur(24px) saturate(1.5);
  z-index:200;
  transition:opacity 0.25s;
}
#overlay.hidden{opacity:0;pointer-events:none;}
#overlay-card{
  background:var(--bg-secondary);
  border-radius:var(--radius-xl);
  padding:36px 32px 28px;
  max-width:380px;width:100%;
  box-shadow:var(--shadow-xl);
  display:flex;flex-direction:column;align-items:center;gap:14px;
  text-align:center;
}
#overlay-icon{font-size:56px;line-height:1;}
#overlay-title{
  font-size:24px;font-weight:700;letter-spacing:-0.5px;
  color:var(--label);
}
#overlay-sub{
  font-size:15px;color:var(--label-2);line-height:1.55;
  max-width:300px;
}
#overlay-btn{
  width:100%;
  font-size:17px;font-weight:500;
  padding:16px 24px;
  background:var(--blue);color:#fff;
  border:none;border-radius:var(--radius-lg);
  transition:opacity 0.15s;
  margin-top:4px;
}
#overlay-btn:active{opacity:0.85;}
.overlay-badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:500;
  padding:6px 14px;border-radius:var(--radius-pill);
  background:var(--fill);color:var(--label-2);
}
.overlay-badge.gold{background:rgba(255,149,0,0.12);color:var(--orange);}
.overlay-badge.green{background:rgba(52,199,89,0.12);color:var(--green);}

/* ── PROGRESS DOTS ───────────────────────────────────────────── */
#progress-dots{
  display:flex;gap:6px;align-items:center;justify-content:center;
  padding:4px 0 12px;
}
.dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--separator);
  transition:all 0.2s;
}
.dot.done{background:var(--green);}
.dot.active{background:var(--fjord);width:18px;border-radius:4px;}
.dot.wrong-dot{background:var(--red);}

/* ── ABOUT / LEGAL ───────────────────────────────────────────── */
.page-hero{
  padding:52px 24px 40px;
  border-bottom:1px solid var(--separator);
}
.page-hero h1{
  font-size:32px;font-weight:700;letter-spacing:-0.8px;
  color:var(--label);margin-bottom:12px;
}
.hero-icon{font-size:44px;margin-bottom:16px;}
.page-hero p{font-size:17px;color:var(--label-2);max-width:580px;line-height:1.65;}
.content-wrap{max-width:760px;margin:0 auto;padding:40px 24px 80px;}
.section-title{
  font-size:22px;font-weight:700;letter-spacing:-0.4px;
  color:var(--label);margin-bottom:16px;margin-top:40px;
}
.section-title:first-child{margin-top:0;}
.card-list{display:flex;flex-direction:column;gap:1px;background:var(--separator);border-radius:var(--radius-lg);overflow:hidden;margin-bottom:32px;}
.card-row{
  background:var(--bg-secondary);
  padding:16px 18px;
  display:flex;align-items:flex-start;gap:14px;
}
.card-row-icon{font-size:20px;margin-top:1px;flex-shrink:0;}
.card-row-body h4{font-size:17px;font-weight:500;color:var(--label);margin-bottom:3px;}
.card-row-body p{font-size:15px;color:var(--label-2);line-height:1.5;}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--separator);border-radius:var(--radius-lg);overflow:hidden;margin-bottom:32px;}
.col-card{background:var(--bg-secondary);padding:18px;}
.col-card h3{font-size:15px;font-weight:600;color:var(--label);margin-bottom:10px;}
.col-card ul{list-style:none;display:flex;flex-direction:column;gap:6px;}
.col-card li{font-size:14px;color:var(--label-2);padding-left:16px;position:relative;}
.col-card li::before{content:'·';position:absolute;left:4px;color:var(--fjord);}
.fish-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--separator);border-radius:var(--radius-lg);overflow:hidden;margin-bottom:32px;}
.fish-row{background:var(--bg-secondary);padding:14px 16px;display:flex;align-items:center;gap:12px;}
.fish-row img{width:64px;height:36px;object-fit:contain;flex-shrink:0;}
.fish-row-info h5{font-size:15px;font-weight:500;color:var(--label);}
.fish-row-info p{font-size:13px;color:var(--label-2);}
.fish-pts{margin-left:auto;font-size:14px;font-weight:600;color:var(--fjord);}
.legal-body{font-size:15px;color:var(--label-2);line-height:1.75;}
.legal-body h2{font-size:17px;font-weight:600;color:var(--label);margin:28px 0 8px;}
.legal-body h2:first-child{margin-top:0;}
.legal-body p{margin-bottom:12px;}
.highlight-box{
  background:var(--fill);border-radius:var(--radius-lg);
  padding:16px;margin:20px 0;
  font-size:15px;color:var(--label-2);
}
.cta-btn{
  display:inline-block;
  font-size:17px;font-weight:500;
  padding:16px 40px;
  background:var(--blue);color:#fff;
  border-radius:var(--radius-pill);
  text-decoration:none;
  transition:opacity 0.15s;
}
.cta-btn:active,.cta-btn:hover{opacity:0.88;}
footer{
  border-top:1px solid var(--separator);
  padding:20px 24px;
  display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:12px;
}
.footer-label{font-size:13px;color:var(--label-3);}
.footer-links{display:flex;gap:0;}
.footer-links a{font-size:13px;color:var(--blue);text-decoration:none;padding:4px 10px;}
.footer-links a:hover{text-decoration:underline;}

/* ── RESPONSIVE ─────────────────────────────────────────────── */
@media(max-width:640px){
  header{padding:0 16px;}
  nav a{display:none;} nav a.always{display:block;}
  #game-section{padding:16px 12px 48px;}
  #score-bar{flex-wrap:wrap;}
  .score-cell{min-width:calc(33% - 1px);}
  #diff-controls{width:100%;justify-content:center;border-left:none;border-top:1px solid var(--separator);padding:8px;}
  #bait-grid{grid-template-columns:repeat(2,1fr);gap:8px;}
  .bait-btn{padding:16px 8px 12px;}
  .two-col{grid-template-columns:1fr;}
  .fish-grid{grid-template-columns:1fr;}
  #overlay-card{padding:28px 20px 22px;}
  #overlay-title{font-size:20px;}
  footer{padding:16px;flex-direction:column;text-align:center;}
  .content-wrap{padding:32px 16px 60px;}
}
@media(max-width:380px){
  #bait-grid{grid-template-columns:repeat(2,1fr);}
  #fish-img{width:140px;height:78px;}
  #fish-name{font-size:17px;}
}