/* =================================================================
 * Doggo Chat — paper-illustrated theme.
 * Aesthetic: warm cream paper, rounded shapes, hand-drawn feel.
 * ================================================================= */

:root {
  /* Palette */
  --paper: #FAF6EE;
  --paper-shade: #F2EBDA;
  --paper-edge: #E6DDC6;
  --ink: #3A2A1A;
  --ink-soft: #6B5840;
  --tomato: #D6453E;
  --tomato-soft: #E96A64;
  --moss: #6F8A4F;
  --moss-soft: #8FA76F;
  --sky: #B8D4E3;
  --sun: #F2C24B;
  --shadow: rgba(58, 42, 26, 0.12);
  --shadow-strong: rgba(58, 42, 26, 0.22);

  /* Type */
  --display: 'Fredoka', 'Comic Sans MS', system-ui, sans-serif;
  --body: 'Quicksand', system-ui, -apple-system, sans-serif;

  /* Geometry */
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 22px;
  --r-xl: 32px;

  /* Spacing scale */
  --s-1: 4px;
  --s-2: 8px;
  --s-3: 12px;
  --s-4: 16px;
  --s-5: 24px;
  --s-6: 36px;
  --s-7: 56px;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}

body.theme-paper {
  background-image:
    radial-gradient(circle at 20% 10%, rgba(214, 69, 62, 0.04), transparent 50%),
    radial-gradient(circle at 80% 90%, rgba(111, 138, 79, 0.05), transparent 50%);
  background-attachment: fixed;
}

h1, h2, h3 {
  font-family: var(--display);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0;
}

h1 { font-size: 2.4rem; line-height: 1.1; }
h2 { font-size: 1.6rem; }
h3 { font-size: 1.2rem; }

button {
  font-family: var(--body);
  font-weight: 600;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

/* === Layout shell ============================================= */

.app-shell {
  max-width: 540px;
  margin: 0 auto;
  padding: var(--s-4);
  min-height: 100vh;
}

.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  gap: var(--s-3);
  color: var(--ink-soft);
}
.loading-mark {
  font-size: 3rem;
  animation: bounce 1.2s ease-in-out infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* === Screen: title ============================================ */

.title-screen {
  text-align: center;
  padding: var(--s-7) var(--s-3);
}
.title-screen h1 {
  color: var(--tomato);
  margin-bottom: var(--s-2);
}
.title-screen .subtitle {
  color: var(--ink-soft);
  margin-bottom: var(--s-6);
  font-size: 1.05rem;
}
.title-screen .title-art {
  font-size: 5rem;
  margin: var(--s-5) 0;
  line-height: 1;
}
.title-screen .menu {
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  max-width: 320px;
  margin: 0 auto;
}

/* === Buttons ================================================= */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  padding: var(--s-3) var(--s-4);
  border-radius: var(--r-md);
  background: var(--paper-shade);
  color: var(--ink);
  font-size: 1rem;
  font-weight: 600;
  border: 2px solid var(--paper-edge);
  box-shadow: 0 2px 0 var(--paper-edge);
  transition: transform 0.08s ease, box-shadow 0.08s ease;
  min-height: 48px;
}
.btn:active {
  transform: translateY(2px);
  box-shadow: 0 0 0 var(--paper-edge);
}
.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--tomato);
  color: var(--paper);
  border-color: #B53C36;
  box-shadow: 0 3px 0 #8E2F2A;
}
.btn-primary:active {
  box-shadow: 0 0 0 #8E2F2A;
}

.btn-secondary {
  background: var(--moss);
  color: var(--paper);
  border-color: #5A7240;
  box-shadow: 0 3px 0 #455731;
}
.btn-secondary:active {
  box-shadow: 0 0 0 #455731;
}

.btn-ghost {
  background: transparent;
  border-color: transparent;
  box-shadow: none;
}

/* === Customization screen ==================================== */

.customize-screen {
  display: flex;
  flex-direction: column;
  gap: var(--s-5);
}
.customize-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-3);
}
.customize-preview {
  background: var(--paper-shade);
  border: 2px solid var(--paper-edge);
  border-radius: var(--r-lg);
  padding: var(--s-4);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 220px;
}
.customize-section {
  background: var(--paper);
  border: 2px solid var(--paper-edge);
  border-radius: var(--r-md);
  padding: var(--s-4);
}
.customize-section h3 {
  margin-bottom: var(--s-3);
  color: var(--ink-soft);
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2);
}
.chip {
  padding: var(--s-2) var(--s-3);
  border-radius: var(--r-md);
  background: var(--paper-shade);
  border: 2px solid var(--paper-edge);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  transition: transform 0.08s ease;
}
.chip[aria-pressed="true"] {
  background: var(--tomato);
  color: var(--paper);
  border-color: #B53C36;
}
.chip:active { transform: scale(0.96); }

.swatch {
  display: inline-block;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid rgba(0,0,0,0.15);
}

.text-input {
  width: 100%;
  padding: var(--s-3);
  border: 2px solid var(--paper-edge);
  border-radius: var(--r-md);
  background: var(--paper-shade);
  font-family: var(--body);
  font-size: 1rem;
  color: var(--ink);
}
.text-input:focus {
  outline: none;
  border-color: var(--tomato);
}

/* === Play screen ============================================= */

.play-screen {
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
}

.dog-name-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--s-3);
}
.dog-name-row h2 { color: var(--ink); }
.dog-name-row .breed-label {
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.stats-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-3);
}
.stat {
  background: var(--paper-shade);
  border: 2px solid var(--paper-edge);
  border-radius: var(--r-md);
  padding: var(--s-3);
}
.stat-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--ink-soft);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: var(--s-2);
}
.stat-bar {
  height: 10px;
  background: var(--paper-edge);
  border-radius: 999px;
  overflow: hidden;
}
.stat-fill {
  height: 100%;
  background: var(--moss);
  border-radius: 999px;
  transition: width 0.4s ease, background 0.4s ease;
}
.stat-fill.warn { background: var(--sun); }
.stat-fill.crit { background: var(--tomato); }

.stat-hint {
  margin-top: var(--s-2);
  font-size: 0.78rem;
  color: var(--ink-soft);
  font-weight: 600;
}
.stat-hint-warn {
  color: var(--tomato);
}
.stat-hint-info {
  color: var(--moss);
}

/* The bladder bar inverts: full means urgency. Use a different warning style. */
.stat[data-stat="bladder"] .stat-fill {
  background: var(--moss);
}
.stat[data-stat="bladder"] .stat-fill.warn { background: var(--sun); }
.stat[data-stat="bladder"] .stat-fill.crit { background: var(--tomato); }

.scene {
  position: relative;
  background: var(--paper-shade);
  border: 2px solid var(--paper-edge);
  border-radius: var(--r-lg);
  aspect-ratio: 4 / 3;
  overflow: hidden;
}
.scene svg {
  width: 100%;
  height: 100%;
  display: block;
}

.speech-bubble {
  position: absolute;
  top: 8%;
  right: 8%;
  max-width: 60%;
  background: var(--paper);
  border: 2px solid var(--ink);
  border-radius: var(--r-md);
  padding: var(--s-2) var(--s-3);
  font-size: 0.95rem;
  font-weight: 600;
  box-shadow: 3px 3px 0 var(--ink);
  animation: pop-in 0.25s ease-out;
}
.speech-bubble::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 24px;
  width: 0;
  height: 0;
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-top: 10px solid var(--ink);
}
.speech-bubble::before {
  content: '';
  position: absolute;
  bottom: -7px;
  left: 26px;
  width: 0;
  height: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 8px solid var(--paper);
  z-index: 1;
}
@keyframes pop-in {
  from { transform: scale(0.7); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

/* === Action panel ============================================ */

.actions {
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
}
.action-group {
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
}
.action-group h3 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  font-weight: 700;
}
.action-group[data-category="positive"] h3 { color: var(--moss); }
.action-group[data-category="negative"] h3 { color: var(--tomato); }
.action-group[data-category="other"] h3 { color: var(--ink-soft); }

.action-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: var(--s-2);
}
.action-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--s-1);
  padding: var(--s-3);
  background: var(--paper);
  border: 2px solid var(--paper-edge);
  border-radius: var(--r-md);
  min-height: 70px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.08s ease, background 0.15s ease;
}
.action-btn:active { transform: scale(0.96); }
.action-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.action-btn .icon { font-size: 1.4rem; line-height: 1; }
.action-group[data-category="positive"] .action-btn:not(:disabled):hover {
  background: #EAF2DD; border-color: var(--moss-soft);
}
.action-group[data-category="negative"] .action-btn:not(:disabled):hover {
  background: #FCE8E6; border-color: var(--tomato-soft);
}

/* === Footer / utility row ==================================== */

.footer-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2);
  justify-content: center;
  padding-top: var(--s-3);
  border-top: 2px dashed var(--paper-edge);
  margin-top: var(--s-4);
}
.footer-row .btn { padding: var(--s-2) var(--s-3); min-height: 40px; font-size: 0.9rem; }

/* === Toast =================================================== */

.toast {
  position: fixed;
  left: 50%;
  bottom: var(--s-5);
  transform: translateX(-50%);
  background: var(--ink);
  color: var(--paper);
  padding: var(--s-3) var(--s-4);
  border-radius: var(--r-md);
  font-weight: 600;
  font-size: 0.9rem;
  box-shadow: 0 6px 20px var(--shadow-strong);
  animation: toast-in 0.25s ease-out, toast-out 0.25s ease-in 2.5s forwards;
  z-index: 100;
}
@keyframes toast-in { from { transform: translate(-50%, 20px); opacity: 0; } to { transform: translate(-50%, 0); opacity: 1; } }
@keyframes toast-out { to { transform: translate(-50%, 20px); opacity: 0; } }

/* === Reduced motion =========================================== */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}