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

:root {
  --bg:        #f5f0e8;
  --paper:     #faf7f2;
  --ink:       #1a1714;
  --ink2:      #4a4540;
  --ink3:      #8a8278;
  --accent:    #c0392b;
  --accent2:   #e67e22;
  --border:    #d4cec4;
  --canvas-bg: #f9f5ee;
}

body {
  font-family: 'Lato', sans-serif;
  background: var(--bg);
  color: var(--ink);
  min-height: 100vh;
  overflow-x: hidden;
}

.screen { display: none; min-height: 100vh; }
.screen.active { display: flex; flex-direction: column; }

#start-screen {
  align-items: center;
  justify-content: center;
  padding: 2rem;
  position: relative;
  overflow: hidden;
}

#start-screen::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, transparent, transparent 39px, rgba(180,170,155,0.15) 39px, rgba(180,170,155,0.15) 40px),
    repeating-linear-gradient(90deg, transparent, transparent 39px, rgba(180,170,155,0.1) 39px, rgba(180,170,155,0.1) 40px);
  pointer-events: none;
}

.start-card {
  background: var(--paper);
  border: 1.5px solid var(--border);
  border-radius: 4px;
  padding: 3rem 3.5rem;
  max-width: 520px;
  width: 100%;
  position: relative;
  box-shadow: 6px 6px 0 rgba(0,0,0,0.06);
}

.start-card::before {
  content: '';
  position: absolute;
  top: 8px; left: 8px; right: -8px; bottom: -8px;
  border: 1px solid var(--border);
  border-radius: 4px;
  z-index: -1;
  background: var(--border);
}

.logo {
  font-family: 'Playfair Display', serif;
  font-size: 3.2rem;
  font-weight: 700;
  letter-spacing: -1px;
  color: var(--ink);
  line-height: 1;
  margin-bottom: 0.3rem;
}
.logo span, .logo-small span { color: var(--accent); }

.tagline {
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink3);
  margin-bottom: 2.5rem;
  font-family: 'DM Mono', monospace;
}

.form-section { margin-bottom: 1.8rem; }

.form-label {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink3);
  margin-bottom: 0.7rem;
  font-family: 'DM Mono', monospace;
}

.option-row { display: flex; gap: 0.5rem; flex-wrap: wrap; }

.opt-btn {
  padding: 0.45rem 1rem;
  border: 1.5px solid var(--border);
  background: transparent;
  border-radius: 2px;
  font-family: 'Lato', sans-serif;
  font-size: 0.9rem;
  color: var(--ink2);
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}
.opt-btn:hover   { border-color: var(--ink3); color: var(--ink); }
.opt-btn.selected { background: var(--ink); border-color: var(--ink); color: var(--paper); }

.start-btn {
  width: 100%;
  padding: 0.9rem;
  background: var(--accent);
  border: none;
  border-radius: 2px;
  color: #fff;
  font-family: 'Playfair Display', serif;
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  letter-spacing: 0.02em;
  transition: background 0.15s, transform 0.1s;
  margin-top: 0.5rem;
}
.start-btn:hover  { background: #a93226; }
.start-btn:active { transform: scale(0.99); }

#preview-screen {
  align-items: center;
  justify-content: center;
  padding: 2rem;
  gap: 1.5rem;
  background: var(--bg);
}

.preview-layout {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  max-width: 700px;
  width: 100%;
}

.logo-small {
  font-family: 'Playfair Display', serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--ink);
}

.preview-header { text-align: center; }

.preview-title {
  font-family: 'Playfair Display', serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--ink);
  margin: 0.3rem 0;
}

.preview-subtitle {
  font-family: 'DM Mono', monospace;
  font-size: 0.78rem;
  color: var(--ink3);
  letter-spacing: 0.1em;
}

.preview-canvas-wrap {
  border: 2.5px solid var(--border);
  box-shadow: 6px 6px 0 rgba(0,0,0,0.07);
  background: var(--canvas-bg);
  line-height: 0;
}

#preview-canvas {
  display: block;
  image-rendering: pixelated;
}

.preview-timer-row {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  font-family: 'DM Mono', monospace;
  font-size: 0.85rem;
  color: var(--ink3);
}

.preview-timer {
  font-family: 'Playfair Display', serif;
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--ink);
  line-height: 1;
  min-width: 2ch;
  text-align: center;
  transition: color 0.3s;
}
.preview-timer.urgent { color: var(--accent); }

#game-screen { flex-direction: row; align-items: stretch; }

.game-layout { display: flex; width: 100%; }

.sidebar {
  width: 280px;
  min-width: 220px;
  background: var(--paper);
  border-right: 1.5px solid var(--border);
  padding: 1.5rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
  flex-shrink: 0;
  overflow-y: auto;
}

.sidebar-title {
  font-family: 'Playfair Display', serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.level-badge {
  font-family: 'DM Mono', monospace;
  font-size: 0.7rem;
  background: var(--ink);
  color: var(--paper);
  padding: 3px 8px;
  border-radius: 2px;
  letter-spacing: 0.1em;
}

.section-label {
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink3);
  margin-bottom: 0.6rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.4rem;
}

.selected-color-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0.5rem 0.6rem;
  background: var(--canvas-bg);
  border: 1px solid var(--border);
  border-radius: 3px;
}

.selected-color-swatch {
  width: 24px; height: 24px;
  border-radius: 50%;
  border: 1.5px solid var(--border);
  flex-shrink: 0;
  background: #ccc;
}

.selected-color-label {
  font-family: 'DM Mono', monospace;
  font-size: 0.72rem;
  color: var(--ink2);
}

.palette-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 5px;
}

.palette-slot {
  aspect-ratio: 1;
  border-radius: 50%;
  border: 2px solid var(--border);
  cursor: pointer;
  transition: transform 0.12s, border-color 0.12s;
}
.palette-slot:hover  { transform: scale(1.12); border-color: var(--ink3); }
.palette-slot.active { border-color: var(--ink); border-width: 2.5px; transform: scale(1.15); }

.mix-area {
  background: var(--canvas-bg);
  border: 1.5px solid var(--border);
  border-radius: 3px;
  padding: 0.8rem;
}

.mix-slots {
  display: flex;
  gap: 6px;
  margin-bottom: 0.6rem;
  align-items: center;
}

.mix-slot {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1.5px dashed var(--border);
  cursor: pointer;
  flex-shrink: 0;
  transition: border-color 0.12s;
  position: relative;
}
.mix-slot:hover { border-color: var(--ink3); }

.mix-slot .remove-x {
  display: none;
  position: absolute;
  top: -6px; right: -6px;
  width: 14px; height: 14px;
  background: var(--ink);
  color: var(--paper);
  border-radius: 50%;
  font-size: 9px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  line-height: 1;
}
.mix-slot:hover .remove-x { display: flex; }

.mix-arrow { font-size: 1rem; color: var(--ink3); flex-shrink: 0; }

.mix-result {
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 2px solid var(--border);
  background: #ccc;
  flex-shrink: 0;
  transition: background 0.3s;
}

.mix-btn {
  width: 100%;
  padding: 0.45rem;
  background: transparent;
  border: 1.5px solid var(--ink);
  border-radius: 2px;
  font-family: 'DM Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  cursor: pointer;
  color: var(--ink);
  transition: background 0.15s, color 0.15s;
}
.mix-btn:hover { background: var(--ink); color: var(--paper); }

.tool-row { display: flex; gap: 5px; }

.tool-btn {
  flex: 1;
  padding: 0.4rem 0.3rem;
  border: 1.5px solid var(--border);
  background: transparent;
  border-radius: 2px;
  font-family: 'DM Mono', monospace;
  font-size: 0.7rem;
  cursor: pointer;
  color: var(--ink2);
  transition: all 0.15s;
}
.tool-btn:hover  { border-color: var(--ink3); color: var(--ink); }
.tool-btn.active { background: var(--ink); border-color: var(--ink); color: var(--paper); }

.sidebar-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.logo-row { display: flex; align-items: center; gap: 1.1rem; margin-bottom: 2.5rem; }
.logo-mark { width: 88px; height: auto; flex-shrink: 0; image-rendering: pixelated; }
.logo-text .logo { margin-bottom: 0.2rem; }
.logo-text .tagline { margin-bottom: 0; }

.action-btn {
  flex: 1 1 0;
  min-width: 0;
  padding: 0.5rem 0.3rem;
  border-radius: 2px;
  font-family: 'DM Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: all 0.15s;
  border: 1.5px solid var(--border);
  background: transparent;
  color: var(--ink2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.action-btn.primary { flex-basis: 100%; }
.action-btn:hover { border-color: var(--ink3); color: var(--ink); }
.action-btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 700;
}
.action-btn.primary:hover { background: #a93226; border-color: #a93226; }

.canvas-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  gap: 1rem;
  overflow: auto;
}

.canvas-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  width: 100%;
  max-width: 700px;
}

.canvas-title {
  font-family: 'Playfair Display', serif;
  font-size: 1.1rem;
  color: var(--ink2);
  flex: 1;
}

.progress-info {
  font-family: 'DM Mono', monospace;
  font-size: 0.75rem;
  color: var(--ink3);
}

.canvas-wrapper {
  position: relative;
  border: 2px solid var(--border);
  box-shadow: 4px 4px 0 rgba(0,0,0,0.07);
  background: var(--canvas-bg);
  cursor: crosshair;
}

#game-canvas {
  display: block;
  image-rendering: pixelated;
}

#peek-overlay {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  image-rendering: pixelated;
  z-index: 20;
}
#peek-overlay.visible { opacity: 0.85; }

.canvas-hint {
  font-family: 'DM Mono', monospace;
  font-size: 0.7rem;
  color: var(--ink3);
  text-align: center;
}

#result-screen {
  align-items: center;
  justify-content: center;
  padding: 2rem;
  gap: 2rem;
}

.result-card {
  background: var(--paper);
  border: 1.5px solid var(--border);
  border-radius: 4px;
  padding: 2.5rem;
  max-width: 900px;
  width: 100%;
  box-shadow: 6px 6px 0 rgba(0,0,0,0.06);
}

.result-title {
  font-family: 'Playfair Display', serif;
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
}

.result-subtitle {
  font-family: 'DM Mono', monospace;
  font-size: 0.75rem;
  color: var(--ink3);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 2rem;
}

.result-canvases {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.result-canvas-block { text-align: center; }

.result-canvas-label {
  font-family: 'DM Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink3);
  margin-bottom: 0.5rem;
}

.result-canvas-block canvas {
  border: 1.5px solid var(--border);
  max-width: 100%;
  image-rendering: pixelated;
}

.diff-legend {
  display: flex;
  gap: 0.8rem;
  align-items: center;
  margin-top: 0.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

.diff-legend-item {
  display: flex;
  align-items: center;
  gap: 4px;
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  color: var(--ink3);
}

.diff-swatch { width: 12px; height: 12px; border-radius: 2px; flex-shrink: 0; }

.score-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
}

.score-card {
  background: var(--canvas-bg);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1rem;
  text-align: center;
}

.score-number {
  font-family: 'Playfair Display', serif;
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--ink);
  line-height: 1;
  margin-bottom: 0.3rem;
}
.score-number.great { color: #27ae60; }
.score-number.good  { color: var(--accent2); }
.score-number.poor  { color: var(--accent); }

.score-label {
  font-family: 'DM Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink3);
}

.result-actions { display: flex; gap: 1rem; }

.result-btn {
  flex: 1;
  padding: 0.8rem;
  border-radius: 2px;
  font-family: 'DM Mono', monospace;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: all 0.15s;
  border: 1.5px solid var(--border);
  background: transparent;
  color: var(--ink2);
  text-transform: uppercase;
}
.result-btn:hover { border-color: var(--ink3); color: var(--ink); }
.result-btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.result-btn.primary:hover { background: #a93226; }

#toaster {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--ink);
  color: var(--paper);
  font-family: 'DM Mono', monospace;
  font-size: 0.8rem;
  padding: 0.6rem 1.2rem;
  border-radius: 2px;
  z-index: 1000;
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}

#tooltip {
  position: fixed;
  background: var(--ink);
  color: var(--paper);
  font-family: 'DM Mono', monospace;
  font-size: 0.7rem;
  padding: 4px 8px;
  border-radius: 2px;
  pointer-events: none;
  z-index: 999;
  opacity: 0;
  transition: opacity 0.1s;
  white-space: nowrap;
}

.auth-card { text-align: left; }
.auth-tabs { display: flex; gap: 0.5rem; margin: 1.5rem 0 1.2rem; }
.auth-tab {
  flex: 1; padding: 0.5rem; border: 1.5px solid var(--border); background: transparent;
  border-radius: 2px; font-family: 'DM Mono', monospace; font-size: 0.8rem;
  color: var(--ink2); cursor: pointer; transition: all 0.15s;
}
.auth-tab:hover  { border-color: var(--ink3); color: var(--ink); }
.auth-tab.active { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.auth-input {
  width: 100%; padding: 0.7rem 0.8rem; margin-bottom: 0.7rem;
  border: 1.5px solid var(--border); border-radius: 2px; background: var(--canvas-bg);
  font-family: 'Lato', sans-serif; font-size: 0.95rem; color: var(--ink);
}
.auth-input:focus { outline: none; border-color: var(--accent); }
.auth-error { min-height: 1.1rem; margin-bottom: 0.5rem; color: var(--accent);
  font-family: 'DM Mono', monospace; font-size: 0.75rem; }
.user-bar { display: flex; align-items: center; justify-content: space-between;
  margin: 0.4rem 0 1.5rem; font-family: 'DM Mono', monospace; font-size: 0.78rem; color: var(--ink3); }
.user-logout { border: 1.5px solid var(--border); background: transparent; cursor: pointer;
  padding: 0.25rem 0.7rem; border-radius: 2px; font-family: 'DM Mono', monospace;
  font-size: 0.72rem; color: var(--ink2); transition: all 0.15s; }
.user-logout:hover { border-color: var(--accent); color: var(--accent); }

#auth-screen, #profile-screen {
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.profile-card { max-width: 760px; }
.profile-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; margin-bottom: 1.5rem; }
.profile-header .result-subtitle { margin-bottom: 0; }

.user-actions { display: flex; gap: 0.4rem; }

.pr-table { border: 1px solid var(--border); border-radius: 3px; overflow: hidden; }
.pr-row {
  display: grid;
  grid-template-columns: 2fr 1.2fr 1fr 1fr 0.9fr 1.1fr;
  gap: 0.5rem; padding: 0.55rem 0.8rem; align-items: center;
  font-family: 'DM Mono', monospace; font-size: 0.78rem; color: var(--ink2);
  border-bottom: 1px solid var(--border);
}
#profile-rows .pr-row:last-child { border-bottom: none; }
.pr-head { background: var(--canvas-bg); color: var(--ink3); font-size: 0.66rem; letter-spacing: 0.08em; text-transform: uppercase; }
.pr-num { text-align: right; }
.pr-total { font-weight: 700; color: var(--ink); }
.pr-date, .pr-style { color: var(--ink3); }
.profile-empty { text-align: center; padding: 1.5rem; color: var(--ink3); font-family: 'DM Mono', monospace; font-size: 0.8rem; }

.pr-row.clickable { cursor: pointer; transition: background 0.12s; }
.pr-row.clickable:hover { background: var(--canvas-bg); }

.ach-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 0.5rem; margin-bottom: 1.5rem; }
.ach { display: flex; align-items: center; gap: 0.5rem; padding: 0.5rem 0.6rem; border: 1px solid var(--border); border-radius: 3px; background: var(--canvas-bg); }
.ach.got { border-color: var(--accent); }
.ach:not(.got) { opacity: 0.4; filter: grayscale(1); }
.ach-ico { font-size: 1.3rem; line-height: 1; }
.ach-title { font-family: 'DM Mono', monospace; font-size: 0.72rem; color: var(--ink2); }

#gallery-screen { align-items: center; justify-content: flex-start; padding: 2rem; overflow: auto; }
.gallery-card { max-width: 860px; }
.daily-row { display: flex; gap: 1.2rem; align-items: flex-start; flex-wrap: wrap; }
.daily-board { flex: 1; min-width: 220px; }
.daily-line { display: grid; grid-template-columns: 24px 1fr auto; gap: 0.5rem; padding: 0.3rem 0; font-family: 'DM Mono', monospace; font-size: 0.8rem; color: var(--ink2); border-bottom: 1px solid var(--border); }
.dl-rank { color: var(--ink3); } .dl-score { color: var(--accent); font-weight: 700; }
.daily-empty { color: var(--ink3); font-family: 'DM Mono', monospace; font-size: 0.78rem; }
.gallery-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 1rem; }
.gallery-item { cursor: pointer; border: 1px solid var(--border); border-radius: 3px; overflow: hidden; background: var(--canvas-bg); transition: transform 0.12s, border-color 0.12s; }
.gallery-item:hover { transform: translateY(-2px); border-color: var(--ink3); }
.gallery-canvas { width: 100%; display: block; image-rendering: pixelated; background: #f9f5ee; }
.gallery-meta { display: flex; justify-content: space-between; padding: 0.4rem 0.5rem; font-family: 'DM Mono', monospace; font-size: 0.72rem; }
.gi-user { color: var(--ink2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.gi-score { color: var(--accent); font-weight: 700; }

#start-screen .start-card-main { max-width: 560px; }

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; flex-wrap: wrap;
  padding-bottom: 1rem; margin-bottom: 1.8rem;
  border-bottom: 1px solid var(--border);
}
.topbar-greeting { font-family: 'DM Mono', monospace; font-size: 0.78rem; color: var(--ink3); line-height: 1.35; }
.topbar-greeting b { color: var(--ink); font-size: 0.95rem; }

.topnav { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.nav-btn {
  display: inline-flex; align-items: center; gap: 0.4rem; white-space: nowrap;
  padding: 0.45rem 0.7rem; border: 1.5px solid var(--border); background: transparent;
  border-radius: 3px; font-family: 'DM Mono', monospace; font-size: 0.72rem;
  color: var(--ink2); cursor: pointer; transition: all 0.15s;
}
.nav-btn:hover { border-color: var(--ink); color: var(--ink); background: rgba(0,0,0,0.025); }
.nav-ico { font-size: 0.95rem; line-height: 1; }
.nav-btn-ghost { color: var(--ink3); }
.nav-btn-ghost:hover { color: var(--accent); border-color: var(--accent); background: transparent; }

.hero { display: flex; align-items: center; gap: 1.3rem; margin-bottom: 2rem; }
.hero .logo-mark { width: 92px; height: auto; flex-shrink: 0; image-rendering: pixelated; }
.hero-text .logo { margin-bottom: 0.15rem; }
.hero-text .tagline { margin-bottom: 0.5rem; }
.hero-blurb { font-family: 'Lato', sans-serif; font-size: 0.9rem; color: var(--ink3); line-height: 1.4; max-width: 30ch; }

.form-label { margin-bottom: 0.6rem; }
.opt-btn { padding: 0.5rem 1.05rem; border-radius: 3px; }

.start-btn { box-shadow: 0 2px 0 rgba(0,0,0,0.10); transition: background 0.15s, transform 0.1s, box-shadow 0.15s; }
.start-btn:hover { transform: translateY(-1px); box-shadow: 0 4px 0 rgba(0,0,0,0.10); }
.start-btn:active { transform: translateY(0); box-shadow: 0 1px 0 rgba(0,0,0,0.10); }

.profile-actions { display: flex; gap: 0.5rem; flex-shrink: 0; }

@media (max-width: 560px) {
  .hero { flex-direction: column; text-align: center; }
  .hero-blurb { max-width: none; }
  .topbar { justify-content: center; }
}

@media (max-width: 700px) {
  #game-screen     { flex-direction: column; }
  .game-layout     { flex-direction: column; }
  .sidebar         { width: 100%; border-right: none; border-bottom: 1.5px solid var(--border); }
  .result-canvases { grid-template-columns: 1fr; }
  .score-row       { grid-template-columns: 1fr; }
  .start-card      { padding: 2rem 1.5rem; }
}