/* Hydrate - style.css */

:root {
  --accent: #3b82f6;
  --accent-dark: #2563eb;
  --text: #1a1a1a;
  --muted: #6b7280;
  --track: #e5e7eb;
  --bg: #f8fafc;
  --card-shadow: 0 1px 2px rgba(15, 23, 42, 0.04), 0 8px 24px rgba(59, 130, 246, 0.08);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  padding: 24px 20px 48px;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 440px;
  margin: 0 auto;
  text-align: center;
}

.header h1 {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--accent);
  margin-bottom: 28px;
}

/* ---------- Page load: gentle staggered fade-up ---------- */
.header,
.counter-card,
.controls,
.date-note,
.settings-panel {
  animation: rise 700ms var(--ease) backwards;
}

.counter-card   { animation-delay: 80ms; }
.controls       { animation-delay: 160ms; }
.date-note      { animation-delay: 220ms; }
.settings-panel { animation-delay: 280ms; }

@keyframes rise {
  from { opacity: 0; transform: translateY(14px); }
}

@keyframes pop {
  from { opacity: 0; transform: scale(0.85) translateY(8px); }
}

@keyframes pulse {
  50% { transform: scale(1.015); }
}

/* ---------- Counter card ---------- */
.counter-card {
  background: white;
  border-radius: 20px;
  padding: 32px 20px 28px;
  box-shadow: var(--card-shadow);
}

.counter-card.pulse {
  animation: pulse 350ms var(--ease);
}

.glasses-label {
  font-size: 0.75rem;
  color: var(--muted);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.counter {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--accent);
}

.progress-ring {
  display: block;
  width: 160px;
  height: 160px;
  margin: 18px auto 14px;
}

.ring-filled {
  transition: stroke-dashoffset 700ms var(--ease);
}

.target {
  font-size: 0.8rem;
  color: var(--muted);
}

/* ---------- Buttons ---------- */
.controls {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-top: 22px;
}

.btn {
  border: none;
  border-radius: 999px;
  padding: 14px 30px;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: transform 200ms var(--ease), background-color 200ms var(--ease), box-shadow 200ms var(--ease);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: scale(0.97);
}

.btn:focus-visible,
.interval-selector select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.btn-add {
  background: var(--accent);
  color: white;
  box-shadow: 0 6px 16px rgba(59, 130, 246, 0.28);
}

.btn-add:hover {
  background: var(--accent-dark);
  box-shadow: 0 8px 20px rgba(59, 130, 246, 0.34);
}

.btn-remove {
  background: var(--track);
  color: var(--text);
}

.btn-remove:hover {
  background: #d9dce1;
}

.date-note {
  margin-top: 20px;
  font-size: 0.75rem;
  color: var(--muted);
}

/* ---------- Reminder settings ---------- */
.settings-panel {
  background: white;
  border-radius: 20px;
  padding: 22px 24px;
  margin-top: 28px;
  text-align: left;
  box-shadow: var(--card-shadow);
}

.settings-panel h2 {
  font-size: 1.1rem;
  margin-bottom: 18px;
  color: var(--accent);
}

.toggle-container {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  cursor: pointer;
}

.toggle-container input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  flex: none;
  width: 44px;
  height: 26px;
  background: var(--track);
  border-radius: 13px;
  position: relative;
  transition: background-color 250ms var(--ease);
}

.toggle-slider::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 20px;
  height: 20px;
  background: white;
  border-radius: 50%;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
  transition: transform 250ms var(--ease);
}

.toggle-container input:checked + .toggle-slider {
  background: var(--accent);
}

.toggle-container input:checked + .toggle-slider::after {
  transform: translateX(18px);
}

.toggle-container input:focus-visible + .toggle-slider {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.toggle-label {
  font-size: 0.95rem;
  color: var(--text);
  font-weight: 500;
}

.interval-selector {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.interval-selector span {
  font-size: 0.95rem;
  color: var(--muted);
}

.interval-selector select {
  flex: 1;
  padding: 10px 14px;
  border: 1.5px solid var(--track);
  border-radius: 10px;
  font-family: inherit;
  font-size: 1rem;
  background: white;
  cursor: pointer;
  transition: border-color 200ms var(--ease);
}

.interval-selector select:hover {
  border-color: #cbd5e1;
}

.toggle-note {
  margin-top: 14px;
  font-size: 0.75rem;
  color: var(--muted);
}

/* ---------- Celebration view ---------- */
.celebration-view {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  text-align: center;
  color: white;
  background: linear-gradient(160deg, #3b82f6 0%, #60a5fa 100%);
  opacity: 0;
  visibility: hidden;
  transform: scale(1.03);
  transition: opacity 500ms var(--ease), transform 500ms var(--ease), visibility 0s linear 500ms;
}

.celebration-view.show {
  opacity: 1;
  visibility: visible;
  transform: none;
  transition: opacity 500ms var(--ease), transform 500ms var(--ease), visibility 0s;
}

#confetti {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.celebration-view > :not(canvas) {
  position: relative;
  z-index: 1;
}

.celebration-view h1 {
  font-size: 2.5rem;
  line-height: 1.15;
  margin-bottom: 16px;
}

.celebration-view p {
  font-size: 1.15rem;
  margin-bottom: 30px;
  max-width: 420px;
  opacity: 0.95;
}

.celebration-view.show h1       { animation: pop 700ms var(--ease) 100ms backwards; }
.celebration-view.show p        { animation: rise 700ms var(--ease) 220ms backwards; }
.celebration-view.show .btn-keep { animation: rise 700ms var(--ease) 340ms backwards; }

.btn-keep {
  background: white;
  color: var(--accent);
  width: 100%;
  max-width: 280px;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.14);
}

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  z-index: 20;
  transform: translateX(-50%) translateY(100px);
  background: var(--text);
  color: white;
  padding: 14px 24px;
  border-radius: 999px;
  font-size: 0.95rem;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.2);
  opacity: 0;
  transition: transform 350ms var(--ease), opacity 350ms var(--ease);
}

.toast.visible {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* ---------- Small screens ---------- */
@media (max-width: 360px) {
  body { padding: 16px 12px 40px; }
  .counter-card { padding: 28px 16px 24px; }
  .counter { font-size: 1.75rem; }
  .btn { padding: 14px 22px; }
  .celebration-view h1 { font-size: 2rem; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    transition-delay: 0s !important;
    animation-duration: 0.01ms !important;
    animation-delay: 0s !important;
  }
}