/* =========================================================
   GWARA GAMES — style.css
   Design system: "AI Core" console — deep navy field, cyan/
   violet neural accents, pink signature accent reserved for
   the Love module. Space Grotesk (display) + Inter (body) +
   JetBrains Mono (HUD data / numbers).
   ========================================================= */

:root{
  --bg:            #080b12;
  --bg-alt:        #0c1120;
  --surface:       #10192b;
  --surface-2:     #16213a;
  --border:        #223154;
  --border-soft:   #1a2740;

  --text:          #e9edf6;
  --muted:         #8492ad;
  --muted-dim:     #566181;

  --cyan:          #4fe3ec;
  --violet:        #9b6bff;
  --pink:          #ff5c8a;
  --pink-soft:     #ffb1c8;
  --green:         #52e3a4;

  --grad-core:     linear-gradient(135deg, var(--cyan), var(--violet));
  --grad-love:     linear-gradient(135deg, var(--pink), #ff8a5c);

  --radius:        14px;
  --radius-sm:     8px;

  --font-display:  'Space Grotesk', sans-serif;
  --font-body:     'Inter', sans-serif;
  --font-mono:     'JetBrains Mono', monospace;

  color-scheme: dark;
}

*, *::before, *::after{ box-sizing: border-box; }

html{ scroll-behavior: smooth; }

body{
  margin:0;
  min-height:100vh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  overflow-x: hidden;
  position: relative;
}

/* ---------- ambient backdrop ---------- */

#bg-canvas{
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

.scanline-overlay{
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255,255,255,0.018) 0px,
    rgba(255,255,255,0.018) 1px,
    transparent 1px,
    transparent 3px
  );
  mix-blend-mode: overlay;
  opacity: .5;
}

.vignette{
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: radial-gradient(ellipse at 50% 0%, transparent 45%, rgba(3,5,10,0.65) 100%);
}

/* ---------- layout shell ---------- */

.shell{
  position: relative;
  z-index: 2;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px 80px;
}

a{ color: inherit; }

::selection{ background: var(--violet); color: #fff; }

/* ---------- topbar ---------- */

.topbar{
  position: relative;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: 1080px;
  margin: 0 auto;
  padding: 26px 24px 18px;
  font-family: var(--font-mono);
}

.brand{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: .04em;
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  user-select: none;
}

.brand-mark{
  display:inline-block;
  width: 9px; height: 9px;
  background: var(--grad-core);
  transform: rotate(45deg);
  border-radius: 2px;
  box-shadow: 0 0 12px rgba(79,227,236,.7);
}

.brand .accent{
  background: var(--grad-core);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hud-status{
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--muted);
  text-transform: uppercase;
  white-space: nowrap;
}

.hud-status .dot{
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px rgba(82,227,164,.9);
  animation: pulse-dot 2.2s ease-in-out infinite;
  flex: none;
}

@keyframes pulse-dot{
  0%,100%{ opacity:1; transform: scale(1); }
  50%{ opacity:.45; transform: scale(.8); }
}

#clock{ color: var(--text); opacity:.8; }

/* ---------- views ---------- */

.view{
  display: none;
  animation: view-in .5s ease;
}
.view.active{ display: block; }

@keyframes view-in{
  from{ opacity: 0; transform: translateY(10px); }
  to{ opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce){
  .view{ animation: none; }
  .hud-status .dot{ animation: none; }
  *{ scroll-behavior: auto !important; }
}

/* ---------- hero ---------- */

.hero{
  padding: 40px 0 44px;
  max-width: 680px;
}

.eyebrow{
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 14px;
}

.hero h1{
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 5vw, 3.1rem);
  line-height: 1.08;
  font-weight: 700;
  margin: 0 0 16px;
  letter-spacing: -0.01em;
}

.grad-text{
  background: var(--grad-core);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-sub{
  color: var(--muted);
  font-size: 1.02rem;
  max-width: 480px;
  margin: 0;
}

/* ---------- game grid / HUD cards ---------- */

.grid{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 8px;
}

.game-card{
  position: relative;
  grid-column: span 2;
  background: linear-gradient(180deg, var(--surface), var(--bg-alt));
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 22px 22px 20px;
  cursor: pointer;
  text-align: left;
  color: inherit;
  font: inherit;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 150px;
  transition: transform .22s ease, border-color .22s ease, background .22s ease;
  overflow: hidden;
}

.game-card::before, .game-card::after{
  content: '';
  position: absolute;
  width: 16px; height: 16px;
  border-color: var(--cyan);
  opacity: 0;
  transition: opacity .22s ease;
}
.game-card::before{ top: 9px; left: 9px; border-top: 2px solid; border-left: 2px solid; }
.game-card::after{ bottom: 9px; right: 9px; border-bottom: 2px solid; border-right: 2px solid; }

.game-card:hover, .game-card:focus-visible{
  transform: translateY(-3px);
  border-color: var(--border);
  background: linear-gradient(180deg, var(--surface-2), var(--bg-alt));
}
.game-card:hover::before, .game-card:hover::after,
.game-card:focus-visible::before, .game-card:focus-visible::after{ opacity: 1; }

.game-card.featured{
  grid-column: span 4;
  flex-direction: row;
  align-items: center;
  gap: 26px;
  min-height: 168px;
  background: linear-gradient(120deg, rgba(255,92,138,.10), var(--bg-alt) 55%);
}
.game-card.featured::before,
.game-card.featured::after{ border-color: var(--pink); }

.card-tag{
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted-dim);
}
.game-card.featured .card-tag{ color: var(--pink-soft); }

.card-icon{
  width: 44px; height: 44px;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: var(--surface-2);
  border: 1px solid var(--border-soft);
  font-size: 1.3rem;
}
.game-card.featured .card-icon{
  width: 64px; height: 64px;
  font-size: 1.9rem;
  background: rgba(255,92,138,.12);
  border-color: rgba(255,92,138,.35);
}

.card-title{
  font-family: var(--font-display);
  font-size: 1.14rem;
  font-weight: 700;
  margin: 0;
}
.game-card.featured .card-title{ font-size: 1.5rem; }

.card-desc{
  color: var(--muted);
  font-size: .87rem;
  margin: 0;
  max-width: 46ch;
}

.card-cta{
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .06em;
  color: var(--cyan);
  display: flex;
  align-items: center;
  gap: 6px;
}
.game-card.featured .card-cta{ color: var(--pink); }

.card-cta svg{ width: 12px; height: 12px; transition: transform .2s ease; }
.game-card:hover .card-cta svg{ transform: translateX(3px); }

.game-card.featured .card-body{
  display:flex; flex-direction:column; gap:8px; flex:1;
}

@media (max-width: 720px){
  .grid{ grid-template-columns: repeat(2, 1fr); }
  .game-card{ grid-column: span 2; min-height: 130px; }
  .game-card.featured{ flex-direction: column; align-items: flex-start; grid-column: span 2; }
}

/* ---------- panel (shared game-screen shell) ---------- */

.panel{
  position: relative;
  background: linear-gradient(180deg, var(--surface), var(--bg-alt));
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 30px;
  margin-top: 10px;
}
.panel::before, .panel::after{
  content:'';
  position:absolute;
  width: 18px; height: 18px;
  border-color: var(--cyan);
}
.panel::before{ top:-1px; left:-1px; border-top:2px solid; border-left:2px solid; border-top-left-radius: var(--radius); }
.panel::after{ bottom:-1px; right:-1px; border-bottom:2px solid; border-right:2px solid; border-bottom-right-radius: var(--radius); }

.panel.love-panel::before, .panel.love-panel::after{ border-color: var(--pink); }

.back-btn{
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: none;
  border: 1px solid var(--border-soft);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .04em;
  padding: 8px 14px;
  border-radius: 999px;
  cursor: pointer;
  margin: 26px 0 6px;
  transition: border-color .2s ease, color .2s ease;
}
.back-btn:hover{ color: var(--text); border-color: var(--cyan); }
.back-btn svg{ width: 11px; height: 11px; }

.panel-head{
  display:flex;
  align-items:flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 22px;
  flex-wrap: wrap;
}

.panel-head h2{
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin: 4px 0 6px;
}

.panel-eyebrow{
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--cyan);
}
.love-panel .panel-eyebrow{ color: var(--pink); }

.panel-sub{ color: var(--muted); font-size: .92rem; margin:0; max-width: 46ch; }

.stat-pill{
  font-family: var(--font-mono);
  font-size: .74rem;
  color: var(--muted);
  background: var(--surface-2);
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  padding: 7px 13px;
  white-space: nowrap;
}
.stat-pill b{ color: var(--text); }

/* ---------- buttons ---------- */

.btn{
  font-family: var(--font-mono);
  font-size: .82rem;
  letter-spacing: .03em;
  border-radius: var(--radius-sm);
  padding: 12px 20px;
  border: 1px solid var(--border-soft);
  background: var(--surface-2);
  color: var(--text);
  cursor: pointer;
  transition: transform .15s ease, border-color .2s ease, box-shadow .2s ease;
}
.btn:hover{ border-color: var(--cyan); transform: translateY(-1px); }
.btn:active{ transform: translateY(0); }

.btn-primary{
  background: var(--grad-core);
  border: none;
  color: #06121a;
  font-weight: 700;
}
.btn-primary:hover{ box-shadow: 0 6px 24px rgba(79,227,236,.28); }

.btn-love{
  background: var(--grad-love);
  border: none;
  color: #2a0512;
  font-weight: 700;
}
.btn-love:hover{ box-shadow: 0 6px 24px rgba(255,92,138,.32); }

.btn-ghost{ background: none; }

.btn:disabled{ opacity:.4; cursor:not-allowed; transform:none; }

/* =========================================================
   LOVE CALCULATOR
   ========================================================= */

.love-form{
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: end;
  gap: 14px;
  max-width: 620px;
}

.field{ display:flex; flex-direction:column; gap:8px; }
.field label{
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted-dim);
}
.field input{
  background: var(--bg-alt);
  border: 1px solid var(--border-soft);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 13px 14px;
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color .2s ease, box-shadow .2s ease;
  width: 100%;
}
.field input:focus{ border-color: var(--pink); box-shadow: 0 0 0 3px rgba(255,92,138,.15); }
.field input::placeholder{ color: var(--muted-dim); }

.love-plus{
  font-family: var(--font-display);
  color: var(--pink);
  font-size: 1.3rem;
  padding-bottom: 12px;
}

.love-form .btn-love{ grid-column: 1 / -1; margin-top: 4px; justify-self: start; }

.love-scan{
  margin-top: 22px;
  font-family: var(--font-mono);
  font-size: .82rem;
  color: var(--muted);
  min-height: 1.4em;
}
.love-scan .scan-line{
  display:block;
  opacity:0;
  animation: scan-in .35s ease forwards;
}
.love-scan .scan-line.done{ color: var(--green); }
@keyframes scan-in{ from{ opacity:0; transform: translateX(-6px);} to{opacity:1; transform:translateX(0);} }

.love-result{
  display: none;
  margin-top: 26px;
  gap: 28px;
  align-items: center;
  flex-wrap: wrap;
}
.love-result.show{ display:flex; animation: view-in .5s ease; }

.meter-wrap{ position: relative; width: 168px; height: 168px; flex: none; }
.meter-wrap svg{ width:100%; height:100%; transform: rotate(-90deg); }
.meter-track{ fill:none; stroke: var(--border-soft); stroke-width: 10; }
.meter-fill{
  fill:none; stroke: url(#loveGradient); stroke-width: 10; stroke-linecap: round;
  transition: stroke-dashoffset 1.4s cubic-bezier(.16,.85,.35,1);
}
.meter-center{
  position:absolute; inset:0;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
}
.meter-pct{
  font-family: var(--font-display);
  font-size: 2.1rem;
  font-weight: 700;
}
.meter-label{
  font-family: var(--font-mono);
  font-size: .62rem;
  letter-spacing: .1em;
  color: var(--muted-dim);
  text-transform: uppercase;
}

.love-verdict{ flex: 1; min-width: 220px; }
.love-verdict h3{
  font-family: var(--font-display);
  font-size: 1.3rem;
  margin: 0 0 8px;
  color: var(--pink-soft);
}
.love-verdict p{ color: var(--muted); margin:0; font-size: .95rem; }

.hearts-field{
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 5;
  overflow: hidden;
}
.floating-heart{
  position:absolute;
  bottom: -30px;
  font-size: 1.2rem;
  animation: heart-rise linear forwards;
  opacity: .9;
}
@keyframes heart-rise{
  from{ transform: translateY(0) scale(1); opacity: .9; }
  to{ transform: translateY(-110vh) scale(1.2); opacity: 0; }
}

/* ---------- RPS ---------- */

.rps-arena{
  display:flex;
  align-items:center;
  justify-content: center;
  gap: 36px;
  padding: 20px 0 8px;
  flex-wrap: wrap;
}
.rps-side{ text-align:center; }
.rps-avatar{
  width: 88px; height: 88px;
  border-radius: 50%;
  display:grid; place-items:center;
  font-size: 2.2rem;
  background: var(--surface-2);
  border: 1px solid var(--border-soft);
  margin: 0 auto 10px;
  transition: transform .2s ease;
}
.rps-side.you .rps-avatar{ border-color: rgba(79,227,236,.4); }
.rps-side.ai .rps-avatar{ border-color: rgba(155,107,255,.4); }
.rps-vs{
  font-family: var(--font-mono);
  color: var(--muted-dim);
  font-size: .8rem;
}
.rps-tag{
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
}

.rps-choices{
  display:flex;
  gap: 12px;
  justify-content: center;
  margin: 26px 0 10px;
  flex-wrap: wrap;
}
.rps-choice{
  width: 68px; height: 68px;
  border-radius: 50%;
  border: 1px solid var(--border-soft);
  background: var(--surface-2);
  font-size: 1.6rem;
  cursor: pointer;
  transition: transform .15s ease, border-color .2s ease;
}
.rps-choice:hover{ transform: translateY(-3px) scale(1.05); border-color: var(--cyan); }

.rps-result{
  text-align:center;
  font-family: var(--font-mono);
  font-size: .92rem;
  min-height: 1.6em;
  color: var(--muted);
}
.rps-result.win{ color: var(--green); }
.rps-result.lose{ color: var(--pink); }

.score-row{
  display:flex;
  justify-content:center;
  gap: 10px;
  margin-top: 16px;
  flex-wrap: wrap;
}

/* ---------- Tic Tac Toe ---------- */

.ttt-wrap{ display:flex; gap: 30px; flex-wrap: wrap; align-items:flex-start; justify-content: center; }
.ttt-board{
  display:grid;
  grid-template-columns: repeat(3, 84px);
  grid-template-rows: repeat(3, 84px);
  gap: 8px;
}
.ttt-cell{
  background: var(--surface-2);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  cursor: pointer;
  display:grid; place-items:center;
  color: var(--cyan);
  transition: border-color .15s ease, transform .1s ease;
}
.ttt-cell:hover:not(:disabled){ border-color: var(--cyan); }
.ttt-cell:disabled{ cursor:default; }
.ttt-cell.o{ color: var(--violet); }
.ttt-cell.win{ box-shadow: inset 0 0 0 2px var(--green); }

.ttt-status{
  font-family: var(--font-mono);
  font-size: .9rem;
  color: var(--muted);
  min-width: 220px;
}
.ttt-status .big{
  display:block;
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--text);
  margin-bottom: 8px;
}

/* ---------- Guess the Number ---------- */

.guess-wrap{ max-width: 480px; }
.guess-row{ display:flex; gap: 10px; margin: 20px 0 14px; }
.guess-row input{
  flex:1;
  background: var(--bg-alt);
  border: 1px solid var(--border-soft);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 1rem;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  outline: none;
}
.guess-row input:focus{ border-color: var(--cyan); }

.guess-hint{
  font-family: var(--font-mono);
  font-size: .88rem;
  min-height: 1.6em;
  color: var(--muted);
}
.guess-history{
  display:flex; gap:6px; flex-wrap:wrap; margin-top: 14px;
}
.guess-chip{
  font-family: var(--font-mono);
  font-size: .74rem;
  padding: 5px 9px;
  border-radius: 6px;
  background: var(--surface-2);
  border: 1px solid var(--border-soft);
  color: var(--muted);
}
.guess-chip.hi{ color: var(--pink); }
.guess-chip.lo{ color: var(--cyan); }

/* ---------- Memory Match ---------- */

.memory-board{
  display:grid;
  grid-template-columns: repeat(4, 74px);
  gap: 10px;
  justify-content: center;
  margin: 22px auto 0;
}
.memory-card{
  width: 74px; height: 74px;
  border-radius: 10px;
  background: var(--surface-2);
  border: 1px solid var(--border-soft);
  cursor: pointer;
  display:grid; place-items:center;
  font-size: 1.6rem;
  position: relative;
  perspective: 600px;
}
.memory-card .face{
  position:absolute; inset:0;
  display:grid; place-items:center;
  backface-visibility: hidden;
  transition: transform .35s ease;
  border-radius: 10px;
}
.memory-card .face.back{
  background: var(--surface-2);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: .9rem;
}
.memory-card .face.front{ transform: rotateY(180deg); background: var(--bg-alt); }
.memory-card.flipped .face.back{ transform: rotateY(180deg); }
.memory-card.flipped .face.front{ transform: rotateY(360deg); }
.memory-card.matched{ border-color: var(--green); opacity:.55; }

/* ---------- Reflex Test ---------- */

.reflex-pad{
  height: 220px;
  border-radius: var(--radius);
  border: 1px solid var(--border-soft);
  background: var(--surface-2);
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  gap: 8px;
  cursor: pointer;
  font-family: var(--font-mono);
  text-align:center;
  padding: 20px;
  transition: background .2s ease;
}
.reflex-pad.wait{ background: var(--surface-2); }
.reflex-pad.go{ background: linear-gradient(160deg, rgba(82,227,164,.22), var(--surface-2)); }
.reflex-pad.early{ background: linear-gradient(160deg, rgba(255,92,138,.22), var(--surface-2)); }
.reflex-pad .big{ font-family: var(--font-display); font-size: 1.4rem; color: var(--text); }
.reflex-pad .small{ color: var(--muted); font-size: .82rem; }

.reflex-stats{
  display:flex; gap: 10px; margin-top: 16px; flex-wrap:wrap;
}

/* ---------- footer ---------- */

footer{
  position: relative;
  z-index: 2;
  max-width: 1080px;
  margin: 60px auto 0;
  padding: 22px 24px 0;
  border-top: 1px solid var(--border-soft);
  display:flex;
  justify-content: space-between;
  align-items:center;
  gap: 12px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--muted-dim);
}

@media (max-width: 560px){
  .ttt-board{ grid-template-columns: repeat(3, 72px); grid-template-rows: repeat(3, 72px); }
  .memory-board{ grid-template-columns: repeat(4, 62px); }
  .memory-card{ width: 62px; height: 62px; }
  .love-form{ grid-template-columns: 1fr; }
  .love-plus{ display:none; }
}