/* ===== Blossom Prototype — App shell styles ===== */

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

html, body, #root { height: 100%; }

body {
  background: var(--bg-canvas);
  color: var(--fg-primary);
  font-family: var(--font-body);
  overflow: hidden;
}

button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, textarea { font-family: inherit; color: inherit; }

/* ===== Layout ===== */
.app {
  height: 100vh;
  display: grid;
  grid-template-columns: auto 1fr;
  background: var(--bg-canvas);
}

.app--density-compact { --pad-base: 16px; --pad-lg: 24px; }
.app--density-spacious { --pad-base: 32px; --pad-lg: 64px; }

/* ===== Sidebar ===== */
.sidebar {
  width: 240px;
  background: var(--foliage-800);
  color: var(--fg-on-brand);
  display: flex;
  flex-direction: column;
  padding: 24px 16px;
  gap: 8px;
  border-right: 1px solid var(--foliage-900);
}
.sidebar--compact { width: 72px; padding: 20px 10px; }
.sidebar__brand {
  display: flex; align-items: center; gap: 10px;
  padding: 6px 10px 20px 10px;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--blossom-paper);
  border-bottom: 1px solid var(--foliage-900);
  margin-bottom: 12px;
}
.sidebar--compact .sidebar__brand { justify-content: center; padding: 6px 0 20px; }
.sidebar--compact .sidebar__brand-text { display: none; }

.sidebar__section-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--foliage-400);
  padding: 12px 10px 4px;
}
.sidebar--compact .sidebar__section-label { display: none; }

.nav-item {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--foliage-200);
  text-align: left;
  width: 100%;
  transition: background var(--dur-normal) var(--ease-standard),
              color var(--dur-normal) var(--ease-standard);
  position: relative;
}
.nav-item:hover { background: rgba(255,255,255,0.06); color: var(--blossom-paper); }
.nav-item[data-active="true"] {
  background: var(--foliage-900);
  color: var(--blossom-paper);
}
.nav-item[data-active="true"]::before {
  content: '';
  position: absolute; left: -16px; top: 6px; bottom: 6px;
  width: 3px; border-radius: 0 2px 2px 0;
  background: var(--clay-500);
}
.sidebar--compact .nav-item { justify-content: center; padding: 12px; }
.sidebar--compact .nav-item__label { display: none; }
.nav-item__step {
  margin-left: auto;
  font-size: 11px;
  color: var(--foliage-400);
  font-family: var(--font-mono);
}
.sidebar--compact .nav-item__step { display: none; }

.nav-item[data-state="locked"] { opacity: 0.4; pointer-events: none; }

.sidebar__footer {
  margin-top: auto;
  display: flex; align-items: center; gap: 10px;
  padding: 12px 10px;
  border-top: 1px solid var(--foliage-900);
  font-size: 13px;
  color: var(--foliage-200);
}
.sidebar--compact .sidebar__footer { justify-content: center; padding: 12px 0; }
.sidebar--compact .sidebar__footer-text { display: none; }
.avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--clay-300);
  color: var(--foliage-900);
  display: flex; align-items: center; justify-content: center;
  font-weight: 600;
  font-size: 13px;
  flex-shrink: 0;
}

/* ===== Main stage ===== */
.stage {
  overflow: auto;
  position: relative;
}

.stage-inner {
  min-height: 100%;
  display: flex;
  flex-direction: column;
}

/* ===== Top bar inside stage ===== */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 40px;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-canvas);
  position: sticky; top: 0; z-index: 10;
  backdrop-filter: blur(8px);
  background: rgba(250, 249, 246, 0.85);
}
.app--density-compact .topbar { padding: 12px 24px; }

.topbar__crumbs {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px;
  color: var(--fg-muted);
}
.topbar__crumbs strong { color: var(--fg-primary); font-weight: 500; }

.topbar__actions {
  display: flex; align-items: center; gap: 10px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.002em;
  transition: background var(--dur-normal) var(--ease-standard),
              color var(--dur-normal) var(--ease-standard),
              box-shadow var(--dur-normal) var(--ease-standard),
              transform var(--dur-quick) var(--ease-standard);
  white-space: nowrap;
  border: 1px solid transparent;
}
.btn:focus-visible { outline: none; box-shadow: var(--shadow-focus); }
.btn:active:not(:disabled) { transform: translateY(1px); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }

.btn--primary {
  background: var(--foliage-700);
  color: var(--fg-on-brand);
}
.btn--primary:hover:not(:disabled) { background: var(--foliage-800); }

.btn--accent {
  background: var(--clay-500);
  color: #fff;
}
.btn--accent:hover:not(:disabled) { background: var(--clay-600); }

.btn--ghost {
  background: transparent;
  color: var(--fg-primary);
  border-color: var(--border-subtle);
}
.btn--ghost:hover:not(:disabled) { background: var(--stone-100); border-color: var(--border-default); }

.btn--text {
  background: transparent;
  color: var(--fg-secondary);
  padding: 10px 12px;
}
.btn--text:hover:not(:disabled) { color: var(--fg-primary); background: var(--stone-100); }

.btn--lg { padding: 14px 24px; font-size: 15px; border-radius: 10px; }
.btn--sm { padding: 7px 12px; font-size: 13px; }

/* ===== Cards ===== */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 24px;
}
.card--raised { border: none; box-shadow: var(--shadow-sm); }
.card--flat { background: var(--stone-100); border: none; }

/* ===== Badges / pills ===== */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px;
  border-radius: 9999px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.badge--sun { background: var(--sun-200); color: var(--blossom-ink); }
.badge--foliage { background: var(--foliage-100); color: var(--foliage-800); }
.badge--clay { background: var(--clay-100); color: var(--clay-800); }
.badge--stone { background: var(--stone-100); color: var(--stone-700); }
.badge--success { background: var(--success-bg); color: var(--success); }
.badge--warn { background: var(--warning-bg); color: var(--warning); }
.badge--dot::before {
  content: '';
  width: 6px; height: 6px; border-radius: 50%;
  background: currentColor;
}

/* ===== Screen containers ===== */
.screen {
  flex: 1;
  display: flex;
  flex-direction: column;
}
.screen__main {
  flex: 1;
  padding: 48px 40px;
  max-width: 1240px;
  width: 100%;
  margin: 0 auto;
}
.app--density-compact .screen__main { padding: 24px 24px; max-width: 1400px; }

/* ===== Eyebrow label ===== */
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--foliage-600);
}
.eyebrow__dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--clay-500);
}

/* ===== Utility ===== */
.stack-2 { display: flex; flex-direction: column; gap: 8px; }
.stack-3 { display: flex; flex-direction: column; gap: 12px; }
.stack-4 { display: flex; flex-direction: column; gap: 16px; }
.stack-6 { display: flex; flex-direction: column; gap: 24px; }
.stack-8 { display: flex; flex-direction: column; gap: 40px; }
.row { display: flex; align-items: center; gap: 12px; }
.row--between { justify-content: space-between; }
.grow { flex-grow: 1; }

.muted { color: var(--fg-muted); }
.secondary { color: var(--fg-secondary); }

.serif { font-family: var(--font-display); }
.mono { font-family: var(--font-mono); }

/* ===== Progress rail (top of screen) ===== */
.steprail {
  display: flex; align-items: center; gap: 8px;
  padding: 14px 40px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  font-size: 12px;
}
.steprail__item {
  display: flex; align-items: center; gap: 8px;
  color: var(--fg-muted);
}
.steprail__dot {
  width: 22px; height: 22px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--stone-100);
  color: var(--fg-muted);
  font-size: 11px;
  font-weight: 600;
  font-family: var(--font-mono);
  border: 1px solid var(--border-subtle);
  transition: all var(--dur-normal) var(--ease-standard);
}
.steprail__item[data-state="current"] .steprail__dot {
  background: var(--foliage-700);
  color: var(--blossom-paper);
  border-color: var(--foliage-700);
}
.steprail__item[data-state="current"] { color: var(--fg-primary); font-weight: 500; }
.steprail__item[data-state="done"] .steprail__dot {
  background: var(--foliage-100);
  color: var(--foliage-700);
  border-color: var(--foliage-200);
}
.steprail__sep {
  flex: 1; height: 1px;
  background: var(--border-subtle);
}

/* ===== Tweaks panel ===== */
.tweaks {
  position: fixed;
  right: 20px; bottom: 20px;
  width: 280px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  box-shadow: var(--shadow-lg);
  padding: 16px;
  z-index: 100;
  font-size: 13px;
}
.tweaks__title {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--foliage-700);
  margin-bottom: 14px;
  display: flex; align-items: center; justify-content: space-between;
}
.tweaks__row { margin-bottom: 12px; }
.tweaks__label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--fg-secondary);
  margin-bottom: 6px;
}
.segment {
  display: flex;
  background: var(--stone-100);
  border-radius: 10px;
  padding: 3px;
  gap: 2px;
}
.segment__btn {
  flex: 1;
  padding: 7px 10px;
  border-radius: 7px;
  font-size: 12px;
  font-weight: 500;
  color: var(--fg-muted);
  transition: all var(--dur-quick) var(--ease-standard);
}
.segment__btn[data-active="true"] {
  background: var(--bg-surface);
  color: var(--fg-primary);
  box-shadow: var(--shadow-xs);
}

/* ===== Input ===== */
.input {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--border-default);
  border-radius: 10px;
  background: var(--bg-surface);
  font-size: 15px;
  color: var(--fg-primary);
  transition: border-color var(--dur-normal) var(--ease-standard),
              box-shadow var(--dur-normal) var(--ease-standard);
}
.input:focus { outline: none; border-color: var(--foliage-500); box-shadow: var(--shadow-focus); }
.input--lg { padding: 20px 20px; font-size: 18px; border-radius: 12px; }

/* ===== Fade in for screen transitions ===== */
@keyframes screenFadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}
.screen-fade-in { animation: screenFadeIn 360ms var(--ease-standard) both; }

/* ===== shimmer/pulse for loading ===== */
@keyframes blossomPulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}
.pulse { animation: blossomPulse 1.8s var(--ease-in-out) infinite; }