/* ==========================================================================
   CPS Tester — Core Test Interface
   Shared visual system for every interactive test (click, reaction, aim,
   mouse, keyboard). Keep this file free of page-specific rules.
   ========================================================================== */

.test-panel{
  background:var(--surface-raised);
  border:1px solid var(--surface-border);
  border-radius:var(--radius-xl);
  padding:var(--space-5);
  box-shadow:var(--shadow-lg);
  contain:layout style;
}
@media (min-width:768px){.test-panel{padding:var(--space-8);}}

/* ---------- Duration / mode selector ---------- */
.option-select{
  display:flex;
  flex-wrap:wrap;
  gap:var(--space-2);
  justify-content:center;
  margin-bottom:var(--space-6);
}
.option-select__btn{
  padding:9px 16px;
  border-radius:var(--radius-pill);
  border:1px solid var(--surface-border-strong);
  background:var(--surface-card);
  color:var(--text-secondary);
  font-weight:600;
  font-size:var(--fs-sm);
  transition:all var(--duration-fast) var(--ease-out);
}
.option-select__btn:hover{color:var(--text-primary);border-color:var(--color-brand-400);}
.option-select__btn[aria-pressed="true"]{
  background:var(--brand-gradient);
  border-color:transparent;
  color:#fff;
}
.option-select__btn:disabled{opacity:0.4;cursor:not-allowed;}

/* ---------- Stats row ---------- */
.test-stats{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:var(--space-2);
  margin-bottom:var(--space-5);
  text-align:center;
}
@media (min-width:640px){.test-stats{grid-template-columns:repeat(4,1fr);gap:var(--space-4);}}
.test-stats__item{
  padding:var(--space-3) var(--space-2);
  border-radius:var(--radius-md);
  background:var(--surface-card);
  border:1px solid var(--surface-border);
}
.test-stats__value{
  font-family:var(--font-heading);
  font-size:var(--fs-2xl);
  font-weight:700;
  color:var(--text-primary);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.test-stats__label{
  font-size:11px;
  text-transform:uppercase;
  letter-spacing:0.06em;
  color:var(--text-muted);
  font-weight:600;
  margin-top:2px;
}

/* ---------- Click zone (CPS / jitter / butterfly / drag / kohi) ---------- */
.click-zone{
  position:relative;
  width:100%;
  min-height:260px;
  border-radius:var(--radius-lg);
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:var(--space-3);
  background:var(--brand-gradient);
  color:#fff;
  text-align:center;
  padding:var(--space-6);
  overflow:hidden;
  -webkit-user-select:none;
  user-select:none;
  touch-action:manipulation;
  transition:transform 80ms var(--ease-out),box-shadow var(--duration-base) var(--ease-out);
  box-shadow:0 20px 60px -20px rgba(var(--color-brand-500-rgb),0.55);
}
@media (min-width:768px){.click-zone{min-height:340px;}}
.click-zone:active{transform:scale(0.99);}
.click-zone::after{
  content:"";
  position:absolute;inset:0;
  background:radial-gradient(circle at var(--px,50%) var(--py,50%),rgba(255,255,255,0.25),transparent 55%);
  opacity:0;
  transition:opacity var(--duration-fast) var(--ease-out);
  pointer-events:none;
}
.click-zone[data-state="active"]::after{opacity:1;}

.click-zone__label{
  font-family:var(--font-heading);
  font-size:var(--fs-xl);
  font-weight:700;
}
.click-zone__sub{font-size:var(--fs-sm);opacity:0.85;max-width:320px;}
.click-zone__counter{
  font-family:var(--font-heading);
  font-size:var(--fs-6xl);
  font-weight:800;
  font-variant-numeric:tabular-nums;
  line-height:1;
}
.click-zone[data-state="idle"] .click-zone__counter{display:none;}
.click-zone[data-state="idle"] .click-zone__label{display:block;}
.click-zone[data-state="active"] .click-zone__label,
.click-zone[data-state="active"] .click-zone__sub{display:none;}
.click-zone[data-state="active"] .click-zone__counter{display:block;}
.click-zone[data-state="completed"]{display:none;}
.test-panel[data-has-result="true"] .test-stats{display:none;}
.test-panel[data-has-result="true"] .typing-passage,
.test-panel[data-has-result="true"] .typing-input,
.test-panel[data-has-result="true"] [data-typing-restart-wrap]{display:none;}

.click-zone__ring{
  position:absolute;
  inset:0;
  border-radius:inherit;
  border:4px solid rgba(255,255,255,0.35);
  clip-path:inset(0 0 0 0);
}

.click-ripple{
  position:absolute;
  width:16px;height:16px;
  border-radius:50%;
  background:rgba(255,255,255,0.55);
  transform:translate(-50%,-50%) scale(0);
  pointer-events:none;
  animation:click-ripple 420ms var(--ease-out) forwards;
}
@keyframes click-ripple{
  0%{transform:translate(-50%,-50%) scale(0);opacity:0.9;}
  100%{transform:translate(-50%,-50%) scale(9);opacity:0;}
}

/* ---------- Result overlay ---------- */
.test-result{
  border-radius:var(--radius-lg);
  background:var(--surface-card);
  border:1px solid var(--surface-border-strong);
  padding:var(--space-8) var(--space-6);
  text-align:center;
  animation:result-in var(--duration-slow) var(--ease-out);
}
@keyframes result-in{from{opacity:0;transform:translateY(10px);}to{opacity:1;transform:translateY(0);}}
.test-result__badge{font-size:var(--fs-2xl);margin-bottom:var(--space-2);}
.test-result__score{
  font-family:var(--font-heading);
  font-size:var(--fs-6xl);
  font-weight:800;
  background:var(--brand-gradient);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  line-height:1;
  margin-bottom:var(--space-2);
}
.test-result__unit{font-size:var(--fs-lg);color:var(--text-muted);font-weight:600;margin-left:6px;-webkit-text-fill-color:var(--text-muted);}
.test-result__detail{color:var(--text-secondary);margin-bottom:var(--space-5);}
.test-result__grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:var(--space-3);
  margin-bottom:var(--space-6);
  text-align:left;
}
@media (min-width:480px){.test-result__grid{grid-template-columns:repeat(3,1fr);}}
.test-result__stat{
  background:var(--surface-raised);
  border:1px solid var(--surface-border);
  border-radius:var(--radius-md);
  padding:var(--space-3) var(--space-4);
}
.test-result__stat-value{font-family:var(--font-heading);font-weight:700;font-size:var(--fs-lg);}
.test-result__stat-label{font-size:11px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;font-weight:600;}
.test-result__pb{
  display:inline-flex;
  align-items:center;
  gap:var(--space-2);
  padding:var(--space-3) var(--space-5);
  border-radius:var(--radius-pill);
  background:rgba(245,158,11,0.12);
  color:var(--color-warning-400);
  font-weight:700;
  margin-bottom:var(--space-6);
}
.test-result__pb[data-new="true"]{background:rgba(34,197,94,0.15);color:var(--color-success-400);}
.test-result__actions{
  display:flex;
  flex-wrap:wrap;
  gap:var(--space-3);
  justify-content:center;
}
.test-result__xp{
  margin-top:var(--space-5);
  padding-top:var(--space-5);
  border-top:1px solid var(--surface-border);
}
.test-result__xp-row{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3);margin-bottom:var(--space-2);font-size:var(--fs-sm);}
.test-result__level-up{
  margin-top:var(--space-4);
  padding:var(--space-4);
  border-radius:var(--radius-md);
  background:var(--brand-gradient-soft);
  border:1px solid rgba(var(--color-brand-500-rgb),0.3);
  animation:level-pulse 900ms var(--ease-out);
}
@keyframes level-pulse{0%{transform:scale(0.96);opacity:0;}60%{transform:scale(1.02);}100%{transform:scale(1);opacity:1;}}

/* ---------- Share panel ---------- */
.share-panel{display:flex;flex-wrap:wrap;gap:var(--space-2);justify-content:center;margin-top:var(--space-4);}
.share-btn{
  width:44px;height:44px;
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;
  background:var(--surface-raised);
  border:1px solid var(--surface-border);
  color:var(--text-secondary);
  transition:all var(--duration-fast) var(--ease-out);
}
.share-btn:hover{color:var(--text-primary);border-color:var(--color-brand-400);background:var(--surface-card-hover);}
.share-btn svg{width:18px;height:18px;}

/* ---------- Reaction test ---------- */
.reaction-stage{
  min-height:300px;
  border-radius:var(--radius-lg);
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:var(--space-3);
  text-align:center;
  padding:var(--space-6);
  color:#fff;
  transition:background var(--duration-fast) linear;
  -webkit-user-select:none;user-select:none;
}
@media (min-width:768px){.reaction-stage{min-height:380px;}}
.reaction-stage[data-phase="idle"]{background:var(--surface-card);color:var(--text-primary);}
.reaction-stage[data-phase="waiting"]{background:var(--color-danger-500);}
.reaction-stage[data-phase="ready"]{background:var(--color-success-600);}
.reaction-stage[data-phase="too-soon"]{background:var(--color-warning-500);}
.reaction-stage[data-phase="result"]{background:var(--surface-card);color:var(--text-primary);}
.reaction-stage__big{font-family:var(--font-heading);font-size:var(--fs-4xl);font-weight:800;}

/* ---------- Aim / target test ---------- */
.aim-stage{
  position:relative;
  width:100%;
  height:360px;
  border-radius:var(--radius-lg);
  background:var(--surface-card);
  border:1px solid var(--surface-border);
  overflow:hidden;
  touch-action:none;
}
@media (min-width:768px){.aim-stage{height:440px;}}
.aim-target{
  position:absolute;
  width:44px;height:44px;
  border-radius:50%;
  background:var(--brand-gradient);
  box-shadow:0 6px 18px -4px rgba(var(--color-brand-500-rgb),0.6);
  transform:translate(-50%,-50%) scale(0);
  animation:target-in 140ms var(--ease-out) forwards;
}
@keyframes target-in{to{transform:translate(-50%,-50%) scale(1);}}
.aim-target:active{filter:brightness(1.2);}
.aim-stage__overlay{
  position:absolute;inset:0;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-3);
  background:rgba(8,9,13,0.7);
  backdrop-filter:blur(2px);
  text-align:center;
  padding:var(--space-6);
}

/* ---------- Mouse test ---------- */
.mouse-diagram{
  display:grid;
  gap:var(--space-3);
  grid-template-columns:repeat(2,1fr);
  max-width:360px;
  margin-inline:auto;
}
.mouse-btn{
  padding:var(--space-5) var(--space-3);
  border-radius:var(--radius-md);
  background:var(--surface-card);
  border:1px solid var(--surface-border-strong);
  text-align:center;
  font-weight:700;
  transition:all 80ms var(--ease-out);
}
.mouse-btn[data-active="true"]{background:var(--brand-gradient);border-color:transparent;color:#fff;transform:scale(0.97);}
.mouse-btn__count{display:block;margin-top:4px;font-size:var(--fs-xs);color:var(--text-muted);font-weight:600;}
.mouse-btn[data-active="true"] .mouse-btn__count{color:rgba(255,255,255,0.85);}

/* ---------- Scroll test ---------- */
.scroll-zone{
  height:220px;
  border-radius:var(--radius-lg);
  background:var(--surface-card);
  border:2px dashed var(--surface-border-strong);
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  color:var(--text-muted);
  font-weight:600;
  overscroll-behavior:contain;
}

/* ---------- Keyboard / spacebar ---------- */
.key-cap{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:120px;
  padding:var(--space-6) var(--space-8);
  border-radius:var(--radius-md);
  background:var(--surface-card);
  border:1px solid var(--surface-border-strong);
  border-bottom-width:4px;
  font-family:var(--font-heading);
  font-weight:700;
  font-size:var(--fs-lg);
  transition:all 60ms var(--ease-out);
}
.key-cap[data-active="true"]{
  transform:translateY(2px);
  border-bottom-width:1px;
  background:var(--brand-gradient);
  border-color:transparent;
  color:#fff;
}
.keys-log{
  display:flex;
  flex-wrap:wrap;
  gap:6px;
  justify-content:center;
  margin-top:var(--space-4);
  max-height:120px;
  overflow-y:auto;
}
.keys-log .badge{font-family:var(--font-heading);}

/* ---------- Typing test ---------- */
.typing-passage{
  font-family:var(--font-heading);
  font-size:var(--fs-lg);
  line-height:1.8;
  letter-spacing:0.01em;
  padding:var(--space-6);
  border-radius:var(--radius-md);
  background:var(--surface-card);
  border:1px solid var(--surface-border);
  color:var(--text-muted);
  -webkit-user-select:none;
  user-select:none;
}
.typing-char--correct{color:var(--color-success-400);}
.typing-char--incorrect{color:#fff;background:rgba(239,68,68,0.55);border-radius:2px;}
.typing-char--current{color:var(--text-primary);border-bottom:2px solid var(--color-brand-400);}
.typing-char--pending{color:var(--text-muted);}
.typing-input{
  width:100%;
  margin-top:var(--space-4);
  padding:14px 18px;
  border-radius:var(--radius-md);
  background:var(--surface-raised);
  border:1px solid var(--surface-border-strong);
  color:var(--text-primary);
  font-size:var(--fs-base);
}
.typing-input:focus{border-color:var(--color-brand-400);}
.typing-input:disabled{opacity:0.6;}

/* ---------- Error / unsupported state ---------- */
.test-panel[data-unsupported="true"] .click-zone,
.test-panel[data-unsupported="true"] .reaction-stage,
.test-panel[data-unsupported="true"] .aim-stage{display:none;}
.unsupported-notice{
  display:none;
  text-align:center;
  padding:var(--space-10) var(--space-6);
  color:var(--text-secondary);
}
.test-panel[data-unsupported="true"] .unsupported-notice{display:block;}