/* ─── Reset & Base ───────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --ocean:      #1a6691;
  --ocean-dark: #0d3b52;
  --ocean-mid:  #2e86c1;
  --sand:       #deb887;
  --sand-light: #fdf6e3;
  --sand-mid:   #f0e2c0;
  --green:      #2e7d32;
  --green-light:#81c784;
  --text:       #2c2c2c;
  --text-muted: #6b6b6b;
  --card-bg:    #fffdf7;
  --border:     #e5d9c0;
  --radius:     10px;
  --shadow:     0 2px 8px rgba(0,0,0,0.08);

  --px-active:   #43a047;
  --px-spent:    #c8d6c0;
}

html { font-size: 15px; }

body {
  font-family: 'Segoe UI', system-ui, sans-serif;
  background: var(--sand-light);
  color: var(--text);
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr;
}

/* ─── Header ─────────────────────────────────────────────────────────────────── */
header {
  background: linear-gradient(135deg, var(--ocean-dark) 0%, var(--ocean-mid) 100%);
  color: #fff;
  padding: 18px 28px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.25);
}

.header-inner { max-width: 1400px; margin: 0 auto; }

header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.tagline {
  font-size: 0.85rem;
  opacity: 0.8;
  margin-top: 2px;
}

/* ─── Main Layout ────────────────────────────────────────────────────────────── */
main {
  display: grid;
  grid-template-columns: 260px 1fr 280px;
  gap: 16px;
  padding: 16px;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
  align-items: start;
}

/* ─── Panels ─────────────────────────────────────────────────────────────────── */
.panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  box-shadow: var(--shadow);
}

.card h2 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--ocean-dark);
}

.card h3 {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.hint {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 10px;
}

/* ─── Login Section ──────────────────────────────────────────────────────────── */
.name-row {
  display: flex;
  gap: 6px;
}

.name-row input {
  flex: 1;
  padding: 8px 10px;
  border: 1.5px solid var(--border);
  border-radius: 6px;
  font-size: 0.9rem;
  background: #fff;
  color: var(--text);
  outline: none;
  transition: border-color 0.15s;
}

.name-row input:focus {
  border-color: var(--ocean-mid);
}

.btn-primary {
  padding: 8px 14px;
  background: var(--ocean);
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
}

.btn-primary:hover  { background: var(--ocean-dark); }
.btn-primary:active { transform: scale(0.97); }

.btn-ghost {
  font-size: 0.75rem;
  color: var(--text-muted);
  background: none;
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 4px 8px;
  cursor: pointer;
  transition: background 0.15s;
  white-space: nowrap;
}

.btn-ghost:hover { background: var(--sand-mid); }

.error-msg {
  margin-top: 6px;
  color: #b71c1c;
  font-size: 0.82rem;
}

/* ─── User Header ────────────────────────────────────────────────────────────── */
.user-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--ocean-mid);
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.user-name {
  font-weight: 700;
  font-size: 1rem;
}

.user-meta {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 1px;
}

.user-achievement {
  font-size: 0.78rem;
  color: var(--ocean-mid);
  margin-top: 2px;
  font-weight: 600;
}

/* ─── Visit Status ───────────────────────────────────────────────────────────── */
.visit-status {
  font-size: 0.85rem;
  padding: 8px 10px;
  border-radius: 6px;
  margin-bottom: 8px;
}

.visit-status.active {
  background: #e8f5e9;
  color: #2e7d32;
  border: 1px solid #c8e6c9;
}

.visit-status.waiting {
  background: #fff8e1;
  color: #f57f17;
  border: 1px solid #ffe082;
}

.visit-status.new-visit {
  background: #e3f2fd;
  color: #1565c0;
  border: 1px solid #bbdefb;
}

/* ─── Cooldown Timer ─────────────────────────────────────────────────────────── */
.cooldown-box {
  text-align: center;
  padding: 8px;
  background: var(--sand-mid);
  border-radius: 6px;
}

.cooldown-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.cooldown-timer {
  font-size: 1.5rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--ocean-dark);
  letter-spacing: 2px;
}

/* ─── Pixels Remaining ───────────────────────────────────────────────────────── */
.pixels-box {
  padding: 8px 0 4px;
}

.pixels-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.pixels-dots {
  display: flex;
  gap: 6px;
}

.pixel-dot {
  width: 20px;
  height: 20px;
  border-radius: 4px;
  background: var(--px-active);
  transition: background 0.2s, transform 0.2s;
}

.pixel-dot.spent {
  background: var(--px-spent);
  transform: scale(0.85);
}

/* ─── Palette ────────────────────────────────────────────────────────────────── */
.palette-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 5px;
  margin-bottom: 10px;
}

.swatch {
  aspect-ratio: 1;
  border-radius: 4px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform 0.1s, border-color 0.1s;
}

.swatch:hover  { transform: scale(1.15); }
.swatch.active { border-color: #fff; box-shadow: 0 0 0 2px var(--ocean); }

.selected-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.selected-swatch {
  width: 22px;
  height: 22px;
  border-radius: 4px;
  border: 2px solid var(--border);
}

.toggle-row {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 8px;
  cursor: pointer;
  user-select: none;
}

.toggle-row input { cursor: pointer; }

/* ─── Canvas Area ────────────────────────────────────────────────────────────── */
.canvas-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.canvas-wrapper {
  overflow: auto;
  max-width: 100%;
  max-height: calc(100vh - 120px);
  border-radius: var(--radius);
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
  background: #fff;
  line-height: 0;
}

#island-canvas {
  display: block;
  cursor: crosshair;
  image-rendering: pixelated;
}

.canvas-footer {
  display: flex;
  gap: 16px;
  font-size: 0.78rem;
}

.dim-label { color: var(--text-muted); }

/* ─── Progress Bar ───────────────────────────────────────────────────────────── */
.progress-track {
  height: 14px;
  background: var(--sand-mid);
  border-radius: 99px;
  overflow: hidden;
  margin-bottom: 6px;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--ocean-mid), var(--green-light));
  border-radius: 99px;
  transition: width 0.6s ease;
  width: 0%;
}

.progress-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 0.82rem;
}

#progress-pct {
  font-weight: 700;
  color: var(--ocean-dark);
  font-size: 1.05rem;
}

/* ─── Stats Grid ─────────────────────────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.stat-tile {
  background: var(--sand-mid);
  border-radius: 8px;
  padding: 8px 10px;
  text-align: center;
}

.stat-value {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--ocean-dark);
}

.stat-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.4px;
  margin-top: 1px;
}

.stat-group-achievement {
  grid-column: 1 / -1;
  background: var(--sand-mid);
  border-radius: 8px;
  padding: 7px 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.stat-group-icon { font-size: 1.1rem; }

.stat-group-name {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ocean-dark);
}

/* ─── Accordion ──────────────────────────────────────────────────────────────── */
.accordion {
  padding-bottom: 0;
}

.accordion-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  list-style: none;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--text-muted);
  padding-bottom: 10px;
  user-select: none;
}

.accordion-summary::-webkit-details-marker { display: none; }

.accordion-summary::after {
  content: '▸';
  font-size: 0.75rem;
  transition: transform 0.2s;
}

details[open] > .accordion-summary::after {
  transform: rotate(90deg);
}

details[open] > .accordion-summary {
  padding-bottom: 10px;
}

details:not([open]) > .accordion-summary {
  padding-bottom: 14px;
}

/* ─── Achievements ───────────────────────────────────────────────────────────── */
.achievements-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.achievement-item {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 7px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #fff;
  transition: opacity 0.2s;
}

.achievement-item.locked {
  opacity: 0.4;
  filter: grayscale(0.5);
}

.achievement-item.group-type {
  border-color: #bbdefb;
  background: #f0f8ff;
}

.ach-icon { font-size: 1.2rem; flex-shrink: 0; }

.ach-text { flex: 1; min-width: 0; }

.ach-name {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ach-desc {
  font-size: 0.73rem;
  color: var(--text-muted);
}

.ach-badge {
  font-size: 0.65rem;
  background: var(--ocean-mid);
  color: #fff;
  border-radius: 4px;
  padding: 2px 5px;
  font-weight: 700;
  text-transform: uppercase;
  flex-shrink: 0;
}

.ach-badge.group { background: var(--green); }

/* ─── Leaderboard ────────────────────────────────────────────────────────────── */
.leaderboard {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.lb-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border-radius: 6px;
  background: var(--sand-mid);
  font-size: 0.82rem;
}

.lb-rank {
  font-weight: 700;
  color: var(--text-muted);
  width: 18px;
  text-align: right;
  flex-shrink: 0;
}

.lb-name {
  flex: 1;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.lb-pixels {
  color: var(--ocean-dark);
  font-weight: 700;
  font-size: 0.88rem;
  flex-shrink: 0;
}

.lb-visits {
  color: var(--text-muted);
  font-size: 0.75rem;
  flex-shrink: 0;
}

.lb-row.is-me {
  background: #e3f2fd;
  border: 1px solid #90caf9;
}

/* ─── Achievement Popup ──────────────────────────────────────────────────────── */
.achievement-popup {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--ocean-dark);
  color: #fff;
  border-radius: var(--radius);
  padding: 14px 18px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.35);
  max-width: 320px;
  z-index: 1000;
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: opacity 0.3s, transform 0.3s;
}

.achievement-popup.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.popup-inner {
  display: flex;
  align-items: center;
  gap: 14px;
}

.popup-icon { font-size: 2.2rem; flex-shrink: 0; }

.popup-type {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  opacity: 0.7;
  margin-bottom: 2px;
}

.popup-name {
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 2px;
}

.popup-desc {
  font-size: 0.8rem;
  opacity: 0.85;
}

/* ─── Toast ──────────────────────────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: #333;
  color: #fff;
  padding: 9px 18px;
  border-radius: 99px;
  font-size: 0.85rem;
  box-shadow: 0 4px 16px rgba(0,0,0,0.25);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.25s, transform 0.25s;
  z-index: 999;
  white-space: nowrap;
}

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

/* ─── Members Board ──────────────────────────────────────────────────────────── */
.members-board {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.member-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 8px;
  border-radius: 8px;
  background: var(--sand-mid);
  border: 1px solid transparent;
}

.member-row.is-me {
  background: #e3f2fd;
  border-color: #90caf9;
}

.member-row.not-joined {
  opacity: 0.45;
}

.member-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--border);
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.member-info {
  flex: 1;
  min-width: 0;
}

.member-name {
  font-size: 0.85rem;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.member-level {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 1px;
}

.member-stats {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  flex-shrink: 0;
  gap: 1px;
}

.member-px {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--ocean-dark);
}

.member-v {
  font-size: 0.72rem;
  color: var(--text-muted);
}

/* ─── Canvas expansion animation ────────────────────────────────────────────── */
@keyframes expand-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(46, 134, 193, 0.7); }
  70%  { box-shadow: 0 0 0 20px rgba(46, 134, 193, 0); }
  100% { box-shadow: 0 0 0 0 rgba(46, 134, 193, 0); }
}

.canvas-wrapper.expanding {
  animation: expand-pulse 0.8s ease-out;
}

/* ─── Responsive ─────────────────────────────────────────────────────────────── */
@media (max-width: 1100px) {
  main {
    grid-template-columns: 240px 1fr 250px;
  }
}

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

  .panel-left  { order: 3; }
  .canvas-area { order: 1; }
  .panel-right { order: 2; }

  .canvas-wrapper {
    max-height: 60vw;
  }
}