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

/* Dark theme (default) */
:root {
  --bg: transparent;
  --html-bg: #191919;
  --surface: rgba(255, 255, 255, 0.05);
  --border: #242428;
  --text: #ffffff;
  --muted: #5a5a62;
  --accent: #e8c97a;
  --danger: #e87a7a;
  --done-opacity: 0.4;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

/* Light theme via ?theme=light */
:root.light {
  --bg: transparent;
  --html-bg: #ffffff;
  --surface: rgba(0, 0, 0, 0.03);
  --border: #e2e0db;
  --text: #1a1a1a;
  --muted: #8a8a8e;
  --accent: #c4943a;
  --danger: #bb4a4a;
}

html { background: var(--html-bg); }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  min-height: 100vh;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 3rem;
}

.container {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 400px;
  width: 100%;
  padding: 2rem;
  animation: fade-in 0.5s ease;
}

@keyframes fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── Counter ── */
.counter {
  margin-bottom: 1.8rem;
  line-height: 1;
  display: flex;
  align-items: baseline;
  gap: 2px;
}

.counter-done {
  font-size: 3.2rem;
  font-weight: 200;
  color: var(--accent);
  letter-spacing: -0.02em;
  transition: color 0.3s ease;
}

.counter-sep,
.counter-total {
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--muted);
}

.counter-label {
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-left: 6px;
}

@keyframes bump {
  0%   { transform: scale(1); }
  40%  { transform: scale(1.15); }
  100% { transform: scale(1); }
}

.counter-done.bump {
  animation: bump 0.3s ease;
}

/* ── Input row ── */
.input-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  width: 100%;
  margin-bottom: 1rem;
}

.win-input {
  flex: 1;
  background: none;
  border: none;
  border-bottom: 1px solid var(--border);
  padding: 0.6rem 0;
  font-family: var(--font);
  font-size: 0.9rem;
  color: var(--text);
  outline: none;
  transition: border-color 0.2s ease;
}

.win-input::placeholder {
  color: var(--muted);
}

.win-input:focus {
  border-bottom-color: var(--accent);
}

.win-input:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-add {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: none;
  color: var(--muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.2s ease;
}

.btn-add:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.btn-add:active {
  transform: scale(0.95);
}

.btn-add:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.btn-add svg { pointer-events: none; }

/* ── Win list ── */
.win-list {
  list-style: none;
  width: 100%;
}

.win-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--border);
  animation: item-in 0.25s ease;
  transition: opacity 0.3s ease;
}

.win-item.done {
  opacity: var(--done-opacity);
}

@keyframes item-in {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes item-out {
  from { opacity: 1; transform: translateX(0); }
  to   { opacity: 0; transform: translateX(30px); }
}

.win-item.removing {
  animation: item-out 0.2s ease forwards;
}

/* ── Custom SVG checkbox ── */
.win-check {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.win-check svg {
  pointer-events: none;
}

.check-box {
  fill: none;
  stroke: var(--muted);
  stroke-width: 1.5;
  transition: fill 0.25s ease, stroke 0.25s ease;
}

.check-mark {
  fill: none;
  stroke: var(--muted);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 24;
  stroke-dashoffset: 24;
  transition: stroke-dashoffset 0.3s ease, stroke 0.25s ease;
}

.win-item.done .check-box {
  fill: var(--accent);
  stroke: var(--accent);
}

.win-item.done .check-mark {
  stroke-dashoffset: 0;
  stroke: var(--html-bg);
}

/* Check celebration — glow ring + bounce */
.win-check .glow-ring {
  fill: none;
  stroke: var(--accent);
  stroke-width: 0;
  opacity: 0;
}

.win-item.just-checked .win-check svg {
  animation: check-bounce 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes check-bounce {
  0%   { transform: scale(1); }
  40%  { transform: scale(1.35); }
  100% { transform: scale(1); }
}

.win-item.just-checked .glow-ring {
  animation: glow-burst 0.6s ease forwards;
}

@keyframes glow-burst {
  0%   { stroke-width: 0; opacity: 0.8; r: 8; }
  100% { stroke-width: 1; opacity: 0; r: 18; }
}


/* Confetti particle (JS-spawned) */
.confetti-particle {
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  pointer-events: none;
  animation: particle-fly 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

@keyframes particle-fly {
  0%   { opacity: 1; transform: translate(0, 0) scale(1); }
  100% { opacity: 0; transform: translate(var(--px), var(--py)) scale(0); }
}

/* ── Win text ── */
.win-text {
  flex: 1;
  font-size: 0.9rem;
  line-height: 1.35;
  transition: text-decoration-color 0.3s ease;
}

.win-item.done .win-text {
  text-decoration: line-through;
  text-decoration-color: var(--muted);
}

/* ── Delete button ── */
.win-delete {
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
  padding: 0 2px;
  opacity: 0;
  transition: opacity 0.15s ease, color 0.15s ease;
}

.win-item:hover .win-delete {
  opacity: 1;
}

.win-delete:hover {
  color: var(--danger);
}

@media (hover: none) {
  .win-delete {
    opacity: 0.5;
  }
}

/* ── Celebration overlay ── */
.celebration {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.7);
  opacity: 0;
  pointer-events: none;
  z-index: 100;
  overflow: hidden;
}

.celebration.active {
  animation: celebrate-in 4s ease forwards;
  pointer-events: auto;
}

@keyframes celebrate-in {
  0%   { opacity: 0; }
  10%  { opacity: 1; }
  80%  { opacity: 1; }
  100% { opacity: 0; }
}

.celebration-text {
  font-size: 2.2rem;
  font-weight: 300;
  color: var(--accent);
  letter-spacing: 0.04em;
  text-shadow: 0 0 30px rgba(232, 201, 122, 0.5), 0 0 60px rgba(232, 201, 122, 0.2);
}

:root.light .celebration-text {
  text-shadow: 0 0 30px rgba(196, 148, 58, 0.4), 0 0 60px rgba(196, 148, 58, 0.15);
}

.celebration.active .celebration-text {
  animation: text-entrance 0.7s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes text-entrance {
  0%   { transform: scale(0.3) translateY(20px); opacity: 0; }
  50%  { transform: scale(1.1) translateY(-5px); }
  100% { transform: scale(1) translateY(0); opacity: 1; }
}

.celebration-emoji {
  font-size: 3rem;
  margin-bottom: 0.8rem;
}

.celebration.active .celebration-emoji {
  animation: emoji-drop 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) 0.15s both;
}

@keyframes emoji-drop {
  0%   { transform: scale(0) rotate(-20deg); opacity: 0; }
  60%  { transform: scale(1.2) rotate(5deg); }
  100% { transform: scale(1) rotate(0deg); opacity: 1; }
}

/* Celebration confetti (canvas) */
.confetti-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 101;
}

/* Celebration glow pulse on counter */
.counter-done.all-done-glow {
  animation: counter-glow 1.5s ease;
  text-shadow: 0 0 20px rgba(232, 201, 122, 0.6), 0 0 40px rgba(232, 201, 122, 0.3);
}

@keyframes counter-glow {
  0%   { transform: scale(1); }
  25%  { transform: scale(1.3); }
  50%  { transform: scale(1.15); }
  75%  { transform: scale(1.22); }
  100% { transform: scale(1); text-shadow: none; }
}

/* ── Compact (embedded in iframe) ── */
html.compact body {
  min-height: 0;
  padding-top: 1rem;
}

html.compact .container {
  padding: 1rem 1rem 0.5rem;
}

html.compact .counter {
  margin-bottom: 1rem;
}

html.compact .counter-done {
  font-size: 2.4rem;
}

/* ── Responsive ── */
@media (max-width: 300px) {
  .counter-done { font-size: 2.6rem; }
  .container { padding: 1rem; }
  body { padding-top: 1.5rem; }
}