/*
 * Stopwatch widget CSS — extracted from the real extension,
 * with dark-theme overrides applied via CSS custom properties.
 * Only includes stopwatch game mode styles (no click counter / luck).
 */

.stopwatch-container {
  --sw-bg: #1e293b;
  --sw-text: #f8fafc;
  --sw-primary: #6366f1;
  --sw-success: #22c55e;
  --sw-fail: #ef4444;
  position: relative;
  overflow: hidden;
  max-width: 400px;
  margin: 0 auto;
  padding: 1.5rem;
  text-align: center;
  border: 1px solid #334155;
  border-radius: 12px;
  background: var(--sw-bg);
  color: var(--sw-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.stopwatch-heading {
  font-size: 1.8rem;
  font-weight: 700;
  line-height: 1.3;
  margin: 0 0 1.25rem;
  color: var(--sw-text);
}

.stopwatch-display-wrap {
  position: relative;
  background: color-mix(in srgb, var(--sw-text) 10%, transparent);
  width: 80%;
  margin: 0 auto 0.5rem;
  padding: 2.5rem 0 3.25rem;
  border-radius: 8px;
}

.stopwatch-display {
  font-family: "Share Tech Mono", monospace;
  font-size: 5.5rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
  color: var(--sw-text);
  line-height: 1.1;
  transition: opacity 0.3s, transform 0.3s;
}

.stopwatch-display--scramble {
  opacity: 0.25;
}

.stopwatch-display--result {
  transform: scale(1.15);
}

/* --- Fail/success overlay on timer --- */

.stopwatch-display-fail-overlay {
  position: absolute;
  inset: 0;
  border-radius: 8px;
  z-index: 1;
  pointer-events: none;
  animation: sw-fail-overlay-in 0.4s ease-out;
}

.stopwatch-display-fail-overlay__label {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translate(-50%, 0);
  line-height: 0.85;
  white-space: nowrap;
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--sw-fail);
  text-shadow:
    -2px -2px 0 var(--sw-bg),
     2px -2px 0 var(--sw-bg),
    -2px  2px 0 var(--sw-bg),
     2px  2px 0 var(--sw-bg),
     0   -2px 0 var(--sw-bg),
     0    2px 0 var(--sw-bg),
    -2px  0   0 var(--sw-bg),
     2px  0   0 var(--sw-bg);
}

.stopwatch-display-fail-overlay__diff {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: "Share Tech Mono", monospace;
  font-size: 3rem;
  line-height: 1;
  font-weight: 700;
  color: var(--sw-fail);
  text-shadow:
    -2px -2px 0 var(--sw-bg),
     2px -2px 0 var(--sw-bg),
    -2px  2px 0 var(--sw-bg),
     2px  2px 0 var(--sw-bg),
     0   -2px 0 var(--sw-bg),
     0    2px 0 var(--sw-bg),
    -2px  0   0 var(--sw-bg),
     2px  0   0 var(--sw-bg);
}

.stopwatch-display-fail-overlay__label--success {
  color: var(--sw-success);
}

@keyframes sw-fail-overlay-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* --- Target info --- */

.stopwatch-target {
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--sw-text);
  opacity: 0.6;
  padding: 1rem 0;
  margin-bottom: 0.25rem;
}

.stopwatch-target__value {
  display: inline-block;
  font-family: "Share Tech Mono", monospace;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: none;
  background: color-mix(in srgb, var(--sw-text) 10%, transparent);
  color: var(--sw-text);
  border-radius: 5px;
  padding: 0.2rem 0.5rem;
  margin-left: 0.2rem;
  opacity: 1;
}

/* --- Buttons --- */

.stopwatch-buttons {
  margin-bottom: 1rem;
}

.stopwatch-btn {
  display: block;
  width: 80%;
  margin-left: auto;
  margin-right: auto;
  padding: 1rem 2rem;
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.1s, background-color 0.2s;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.stopwatch-btn:hover:not(:disabled) {
  opacity: 0.9;
}

.stopwatch-btn:active:not(:disabled) {
  transform: scale(0.97);
}

.stopwatch-btn:disabled {
  cursor: default;
}

.stopwatch-btn--start {
  color: #fff;
}

.stopwatch-btn--stop {
  background: var(--sw-fail);
  color: #fff;
}

.stopwatch-btn--wait {
  background: #374151;
  color: #9ca3af;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.stopwatch-btn--success {
  color: #fff;
}

.stopwatch-btn--fail {
  background: var(--sw-fail);
  color: #fff;
}

.stopwatch-btn--retry {
  background: var(--sw-fail);
  color: #fff;
}

/* --- Spinner --- */

.stopwatch-spinner {
  display: inline-block;
  width: 1em;
  height: 1em;
  border: 2px solid #555;
  border-top-color: #aaa;
  border-radius: 50%;
  animation: sw-spin 0.7s linear infinite;
  flex-shrink: 0;
}

@keyframes sw-spin {
  to { transform: rotate(360deg); }
}

/* --- Rainbow wave --- */

@keyframes sw-rainbow-wave {
  0%   { color: #ff6b6b; transform: translateY(0); }
  20%  { color: #ffd93d; transform: translateY(-3px); }
  40%  { color: #6bcb77; transform: translateY(0); }
  60%  { color: #4d96ff; transform: translateY(3px); }
  80%  { color: #a06cd5; transform: translateY(0); }
  100% { color: #ff6b6b; transform: translateY(0); }
}

.stopwatch-btn--success .sw-rainbow-char,
.stopwatch-display-fail-overlay__label--success .sw-rainbow-char {
  display: inline-block;
  animation: sw-rainbow-wave 2s ease-in-out infinite;
}

/* --- Retry --- */

.stopwatch-retry {
  background: var(--sw-fail);
  color: #fff;
  border: none;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  margin-top: 0.75rem;
  padding: 0.75rem 2.5rem;
  border-radius: 8px;
  transition: opacity 0.2s;
}

.stopwatch-retry:hover {
  opacity: 0.85;
}

/* --- Result --- */

.stopwatch-result {
  margin-top: 1rem;
}

.stopwatch-result__message {
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.stopwatch-result__message--success {
  color: var(--sw-success);
}

.stopwatch-result__message--fail {
  color: var(--sw-fail);
}

.stopwatch-result__hint {
  font-size: 0.75rem;
  color: var(--sw-text);
  opacity: 0.5;
  margin-top: 0.25rem;
}

/* --- Discount code --- */

.stopwatch-code-wrap {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(34, 197, 94, 0.1);
  border: 1px dashed var(--sw-success);
  border-radius: 6px;
  padding: 0.4rem 0.5rem 0.4rem 0.75rem;
  margin: 0.75rem 0;
}

.stopwatch-code-wrap__code {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--sw-success);
  letter-spacing: 0.03em;
  word-break: break-all;
}

.stopwatch-code-wrap__copy {
  flex-shrink: 0;
  background: var(--sw-success);
  color: #fff;
  border: none;
  border-radius: 4px;
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
}

.stopwatch-code-wrap__copy:hover {
  opacity: 0.85;
}

/* --- Responsive --- */

@media (max-width: 480px) {
  .stopwatch-container {
    margin: 0 auto;
    padding: 1.25rem;
  }

  .stopwatch-display {
    font-size: 4rem;
  }
}