/* =============================================================
   games/g03-multiplication-keypad/style.css
   ============================================================= */

body {
  background:
    radial-gradient(circle at 8% 12%, rgba(255, 209, 102, 0.35), transparent 36%),
    radial-gradient(circle at 90% 16%, rgba(78, 205, 196, 0.28), transparent 30%),
    linear-gradient(160deg, #d4f4ff 0%, #f6fbff 54%, #ffe6c8 100%);
}

.start-screen {
  gap: var(--space-lg);
}

.start-screen__title {
  font-size: clamp(2.2rem, 8vw, 4rem);
  font-weight: var(--font-weight-bold);
  text-align: center;
  line-height: 1.1;
  color: var(--color-primary);
  text-shadow: 0 3px 12px rgba(92, 124, 250, 0.2);
}

.start-screen__subtitle {
  font-size: var(--font-size-md);
  color: var(--color-text-light);
  text-align: center;
}

.difficulty-card {
  width: 100%;
  max-width: 520px;
  text-align: center;
  gap: var(--space-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.difficulty-card__label {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
}

.difficulty-card__level {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}

.difficulty-card__slider {
  width: 100%;
}

.difficulty-card__hints {
  display: flex;
  justify-content: space-between;
  width: 100%;
  font-size: var(--font-size-xs);
  color: var(--color-text-light);
  font-weight: var(--font-weight-bold);
  padding-inline: var(--space-xs);
}

.difficulty-card__timer-info,
.difficulty-card__hint-info {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

.game-screen {
  gap: var(--space-md);
  padding: var(--space-md);
}

.status-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  max-width: var(--content-max-width);
  padding: var(--space-sm) var(--space-md);
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
}

.status-bar__progress,
.status-bar__score {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-bold);
}

.status-bar__score {
  color: var(--color-primary);
}

.progress-dots {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: center;
  max-width: var(--content-max-width);
}

.progress-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.55);
  border: 2px solid rgba(92, 124, 250, 0.28);
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.progress-dot--correct {
  background: var(--color-success);
  border-color: var(--color-success);
}

.progress-dot--wrong {
  background: var(--color-danger);
  border-color: var(--color-danger);
}

.progress-dot--active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  transform: scale(1.3);
}

.timer-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
}

.timer-ring {
  width: 120px;
  height: 120px;
  position: relative;
}

.timer-ring svg {
  transform: rotate(-90deg);
}

.timer-ring__track {
  fill: none;
  stroke: rgba(0, 0, 0, 0.08);
  stroke-width: 10;
}

.timer-ring__arc {
  fill: none;
  stroke: var(--timer-color-safe);
  stroke-width: 10;
  stroke-linecap: round;
  transition: stroke var(--transition-slow);
}

.timer-ring__number {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
}

.timer-ring--warn .timer-ring__arc { stroke: var(--timer-color-warn); }
.timer-ring--warn .timer-ring__number { color: var(--timer-color-warn); }
.timer-ring--alert .timer-ring__arc { stroke: var(--timer-color-alert); }
.timer-ring--alert .timer-ring__number { color: var(--timer-color-alert); }
.timer-ring--alert { animation: kmg-pulse 0.7s ease-in-out infinite; }
.timer-ring--danger .timer-ring__arc { stroke: var(--timer-color-danger); }
.timer-ring--danger .timer-ring__number { color: var(--timer-color-danger); }
.timer-ring--danger { animation: kmg-blink 0.5s step-start infinite; }

.game-main {
  width: 100%;
  max-width: var(--content-max-width);
  display: grid;
  grid-template-columns: minmax(280px, 1fr) minmax(260px, 320px);
  gap: var(--space-md);
  align-items: stretch;
}

.question-panel {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.question-panel__equation {
  font-size: clamp(2.3rem, 7.5vw, 4.5rem);
  line-height: 1.1;
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  text-align: left;
}

.hint-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.hint-btn {
  min-height: 46px;
  padding: 0.45rem 1rem;
  border-radius: var(--radius-full);
  background: #ffd166;
  font-size: var(--font-size-sm);
}

.hint-info {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  font-weight: var(--font-weight-bold);
}

.question-panel__hint-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

.feedback-message {
  min-height: 1.5rem;
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  font-weight: var(--font-weight-bold);
}

.feedback-message--correct {
  color: var(--color-success);
}

.feedback-message--wrong {
  color: var(--color-danger);
}

.feedback-message--hint {
  color: #e67700;
}

.feedback-message--warn {
  color: #d9480f;
}

.keypad-panel {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.keypad-input {
  background: #f8fbff;
  border-radius: var(--radius-md);
  padding: var(--space-sm);
  border: 2px solid #d6e4ff;
}

.keypad-input__label {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--color-text-light);
  margin-bottom: 0.25rem;
}

.keypad-input__value {
  min-height: 2.8rem;
  font-size: 2.2rem;
  line-height: 1;
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  letter-spacing: 0.05em;
}

.keypad-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.6rem;
}

.keypad-btn {
  min-height: 62px;
  border-radius: var(--radius-sm);
  background: #ffffff;
  border: 2px solid #d6e4ff;
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

.keypad-btn:active:not(:disabled) {
  transform: scale(0.95);
  box-shadow: none;
}

.keypad-btn--hidden {
  visibility: hidden;
  pointer-events: none;
}

.keypad-btn--clear {
  background: #ffe3e3;
  border-color: #ffc9c9;
  color: #c92a2a;
  font-size: var(--font-size-sm);
}

.keypad-btn--ok {
  background: #d3f9d8;
  border-color: #b2f2bb;
  color: #2b8a3e;
  font-size: var(--font-size-sm);
}

.keypad-btn:disabled,
.hint-btn:disabled {
  opacity: 0.5;
  pointer-events: none;
}

.result-screen {
  gap: var(--space-lg);
  text-align: center;
}

.result-screen__title {
  font-size: clamp(2rem, 7vw, 3.5rem);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}

.result-card {
  width: 100%;
  max-width: 480px;
  gap: var(--space-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.result-card__stars {
  font-size: 4rem;
  line-height: 1;
}

.result-card__score-big {
  font-size: clamp(3rem, 14vw, 6rem);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  line-height: 1;
}

.result-card__score-label,
.result-card__percent {
  font-size: var(--font-size-md);
  color: var(--color-text-light);
}

.result-card__message {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
}

.result-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  width: 100%;
  max-width: 360px;
  align-items: center;
}

@media (max-width: 860px) {
  .game-main {
    grid-template-columns: 1fr;
  }

  .question-panel__equation {
    text-align: center;
  }
}

@media (max-width: 540px) {
  .timer-ring {
    width: 96px;
    height: 96px;
  }

  .keypad-btn {
    min-height: 56px;
    font-size: 1.3rem;
  }

  .question-panel__equation {
    font-size: clamp(2rem, 11vw, 3.2rem);
  }
}