/* ============================================================
   Rivera Grounds Co — Shared Tool Styles
   ----------------------------------------------------------------
   Every demo tool in /tools/ pulls in this file. Defines brand
   tokens, header band, base typography, buttons, inputs, cards.
   Tools layer their own tool-local CSS on top.
   ============================================================ */

/* ---------- Brand tokens ---------- */
:root {
  --rg-green:        #4a7c4e;
  --rg-green-dk:     #2d4a30;
  --rg-green-pale:   #e3ede4;
  --rg-tan:          #d8c79a;
  --rg-tan-dk:       #b8a574;
  --rg-cream:        #f7f5f0;
  --rg-cream-dk:     #efeae0;
  --rg-ink:          #1f2a1f;
  --rg-ink-dim:      #5a6f5d;
  --rg-ink-faint:    #8a9b8c;
  --rg-line:         rgba(74, 124, 78, 0.18);
  --rg-line-strong:  rgba(74, 124, 78, 0.4);
  --rg-warning:      #b8742d;
  --rg-success:      #4a7c4e;

  --rg-radius:       8px;
  --rg-radius-lg:    14px;
  --rg-shadow-sm:    0 1px 2px rgba(31, 42, 31, 0.06), 0 1px 3px rgba(31, 42, 31, 0.04);
  --rg-shadow-md:    0 4px 12px rgba(31, 42, 31, 0.08), 0 2px 4px rgba(31, 42, 31, 0.04);
  --rg-shadow-lg:    0 16px 40px rgba(31, 42, 31, 0.12), 0 4px 12px rgba(31, 42, 31, 0.06);

  --rg-font-display: ui-serif, Georgia, "Times New Roman", serif;
  --rg-font-body:    -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --rg-font-mono:    ui-monospace, "SF Mono", Menlo, Monaco, "Cascadia Code", monospace;
}

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

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: var(--rg-cream);
  color: var(--rg-ink);
  font-family: var(--rg-font-body);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-image:
    radial-gradient(rgba(74, 124, 78, 0.06) 1px, transparent 1px);
  background-size: 24px 24px;
}

/* ---------- Page shell ---------- */
.rg-shell {
  min-height: 100%;
  display: flex;
  flex-direction: column;
}

/* ---------- Header band ---------- */
.rg-header {
  background: var(--rg-green-dk);
  color: var(--rg-cream);
  padding: 14px 28px;
  display: flex;
  align-items: center;
  gap: 20px;
  border-bottom: 3px solid var(--rg-tan);
}
.rg-mark {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--rg-font-display);
  font-style: italic;
  font-weight: 400;
  font-size: 22px;
  letter-spacing: 0.01em;
  color: var(--rg-cream);
  text-decoration: none;
}
.rg-mark::before {
  content: "";
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--rg-tan);
  box-shadow: 0 0 0 3px rgba(216, 199, 154, 0.25);
}
.rg-mark .ampersand { color: var(--rg-tan); }
.rg-tagline {
  font-size: 11px;
  color: rgba(247, 245, 240, 0.65);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-left: auto;
}
.rg-tag-pill {
  margin-left: 18px;
  padding: 4px 10px;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--rg-tan);
  border: 1px solid rgba(216, 199, 154, 0.3);
  border-radius: 999px;
  font-weight: 600;
}

/* ---------- Page title strip ---------- */
.rg-title-strip {
  padding: 18px 28px;
  background: rgba(255, 255, 255, 0.6);
  border-bottom: 1px solid var(--rg-line);
  display: flex;
  align-items: center;
  gap: 16px;
}
.rg-title-strip h1 {
  margin: 0;
  font-family: var(--rg-font-display);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--rg-green-dk);
}
.rg-title-strip .rg-sub {
  font-size: 13px;
  color: var(--rg-ink-dim);
}

/* ---------- Buttons ---------- */
.rg-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 16px;
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  line-height: 1;
  border: 1px solid transparent;
  border-radius: var(--rg-radius);
  cursor: pointer;
  transition: transform 80ms ease, box-shadow 120ms ease, background 120ms ease;
  white-space: nowrap;
  letter-spacing: 0.01em;
}
.rg-btn:active { transform: translateY(1px); }
.rg-btn--primary {
  background: var(--rg-green-dk);
  color: var(--rg-cream);
}
.rg-btn--primary:hover {
  background: var(--rg-green);
  box-shadow: var(--rg-shadow-md);
}
.rg-btn--secondary {
  background: var(--rg-cream);
  color: var(--rg-green-dk);
  border-color: var(--rg-line-strong);
}
.rg-btn--secondary:hover {
  background: var(--rg-green-pale);
  border-color: var(--rg-green);
}
.rg-btn--ghost {
  background: transparent;
  color: var(--rg-ink-dim);
  border-color: transparent;
}
.rg-btn--ghost:hover {
  color: var(--rg-green-dk);
  background: rgba(74, 124, 78, 0.06);
}
.rg-btn--danger {
  background: transparent;
  color: var(--rg-warning);
  border-color: rgba(184, 116, 45, 0.3);
}
.rg-btn--danger:hover {
  background: rgba(184, 116, 45, 0.08);
}
.rg-btn--sm { padding: 6px 12px; font-size: 12px; }
.rg-btn--lg { padding: 12px 22px; font-size: 14px; }
.rg-btn--icon { padding: 8px; min-width: 32px; }

/* ---------- Inputs ---------- */
.rg-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.rg-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--rg-ink-dim);
}
.rg-input,
.rg-select,
.rg-textarea {
  font-family: inherit;
  font-size: 14px;
  color: var(--rg-ink);
  background: #fff;
  border: 1px solid var(--rg-line-strong);
  border-radius: var(--rg-radius);
  padding: 9px 12px;
  line-height: 1.4;
  transition: border-color 120ms, box-shadow 120ms;
  width: 100%;
}
.rg-textarea {
  resize: vertical;
  min-height: 72px;
}
.rg-input:focus,
.rg-select:focus,
.rg-textarea:focus {
  outline: none;
  border-color: var(--rg-green);
  box-shadow: 0 0 0 3px rgba(74, 124, 78, 0.12);
}
.rg-input::placeholder,
.rg-textarea::placeholder {
  color: var(--rg-ink-faint);
}

/* ---------- Cards / panels ---------- */
.rg-card {
  background: #fff;
  border: 1px solid var(--rg-line);
  border-radius: var(--rg-radius-lg);
  box-shadow: var(--rg-shadow-sm);
  overflow: hidden;
}
.rg-card__header {
  padding: 14px 18px;
  border-bottom: 1px solid var(--rg-line);
  display: flex;
  align-items: center;
  gap: 12px;
}
.rg-card__title {
  font-family: var(--rg-font-display);
  font-size: 16px;
  font-weight: 600;
  color: var(--rg-green-dk);
  margin: 0;
}
.rg-card__body { padding: 16px 18px; }

/* ---------- KPI tile ---------- */
.rg-kpi {
  background: #fff;
  border: 1px solid var(--rg-line);
  border-radius: var(--rg-radius);
  padding: 14px 18px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  box-shadow: var(--rg-shadow-sm);
}
.rg-kpi__label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--rg-ink-dim);
  font-weight: 600;
}
.rg-kpi__value {
  font-family: var(--rg-font-display);
  font-size: 28px;
  font-weight: 600;
  color: var(--rg-green-dk);
  line-height: 1;
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
}
.rg-kpi__delta {
  font-size: 11px;
  color: var(--rg-ink-faint);
}

/* ---------- Footer / utility ---------- */
.rg-footer {
  margin-top: auto;
  padding: 10px 28px;
  background: rgba(255, 255, 255, 0.5);
  border-top: 1px solid var(--rg-line);
  font-size: 11px;
  color: var(--rg-ink-faint);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: flex;
  justify-content: space-between;
}

/* ---------- Tag / pill ---------- */
.rg-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  border-radius: 999px;
  background: var(--rg-green-pale);
  color: var(--rg-green-dk);
  border: 1px solid var(--rg-line);
}
.rg-pill--tan {
  background: rgba(216, 199, 154, 0.3);
  color: var(--rg-tan-dk);
  border-color: rgba(184, 165, 116, 0.4);
}
.rg-pill--warn {
  background: rgba(184, 116, 45, 0.1);
  color: var(--rg-warning);
  border-color: rgba(184, 116, 45, 0.25);
}

/* ---------- Empty state ---------- */
.rg-empty {
  border: 2px dashed var(--rg-line-strong);
  border-radius: var(--rg-radius-lg);
  padding: 40px 32px;
  text-align: center;
  background: rgba(255, 255, 255, 0.5);
  color: var(--rg-ink-dim);
}
.rg-empty h3 {
  margin: 0 0 6px;
  font-family: var(--rg-font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--rg-green-dk);
}
.rg-empty p { margin: 0 0 16px; font-size: 13px; }
.rg-empty.is-active {
  border-color: var(--rg-green);
  background: var(--rg-green-pale);
}

/* ---------- Helpers ---------- */
.rg-hidden { display: none !important; }
.rg-row { display: flex; gap: 12px; align-items: center; }
.rg-row--end { justify-content: flex-end; }
.rg-row--between { justify-content: space-between; }
.rg-stack { display: flex; flex-direction: column; gap: 12px; }

/* ---------- Scrollbar (subtle) ---------- */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--rg-line-strong);
  border-radius: 999px;
  border: 2px solid var(--rg-cream);
}
::-webkit-scrollbar-thumb:hover { background: var(--rg-green); }

/* ============================================================
   "Live · running locally" pill — sits in the .rg-header band
   alongside .rg-tag-pill. Reinforces "this is real software"
   on every demo without needing to be said.
   ============================================================ */
.rg-live-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px 3px 8px;
  border-radius: 999px;
  background: rgba(74, 124, 78, 0.12);
  border: 1px solid rgba(74, 124, 78, 0.32);
  font-family: var(--rg-font-mono);
  font-size: 9.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--rg-cream);
  font-weight: 600;
  user-select: none;
}
.rg-live-pill::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #6fcf73;
  box-shadow: 0 0 8px rgba(111, 207, 115, 0.7);
  animation: rg-live-pulse 1.6s ease-in-out infinite;
}
@keyframes rg-live-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.5; transform: scale(0.85); }
}
/* Dark-on-light variant — for tools whose header sits on a cream/light
   background (e.g., Invoice's form-head). Uses dark green text + a
   darker border so it pops against light surfaces. */
.rg-live-pill--dark {
  background: rgba(74, 124, 78, 0.10);
  border-color: rgba(45, 74, 48, 0.45);
  color: var(--rg-green-dk);
}
.rg-live-pill--dark::before {
  background: var(--rg-success, #4a7c4e);
  box-shadow: 0 0 6px rgba(74, 124, 78, 0.55);
}

/* ============================================================
   Demo button — italic-lowercase ghost link.
   Use for stage-only "demo: do a thing" buttons. Same voice as
   the dashboard's `demo: another week` pattern.
   ============================================================ */
.rg-btn--demo {
  background: none;
  border: 0;
  padding: 4px 8px;
  font-family: var(--rg-font-body);
  font-size: 11.5px;
  font-style: italic;
  color: var(--rg-ink-faint);
  text-decoration: underline dotted;
  text-underline-offset: 2px;
  cursor: pointer;
  letter-spacing: 0.02em;
  border-radius: 4px;
  transition: color 140ms ease, background 140ms ease;
}
.rg-btn--demo:hover {
  color: var(--rg-green-dk);
  background: rgba(74, 124, 78, 0.06);
}
.rg-btn--demo:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  color: var(--rg-ink-faint);
  background: none;
  text-decoration: line-through dotted;
}

/* ============================================================
   Toast — floating notification top-right of the tool viewport.
   Same animation/positioning as dashboard's .add-toast.
   ============================================================ */
.rg-toast {
  position: fixed;
  top: 84px;
  right: 24px;
  background: #fff;
  border: 1px solid var(--rg-line);
  border-left: 3px solid var(--rg-success, #4a7c4e);
  border-radius: 6px;
  padding: 9px 14px 9px 12px;
  font-size: 13px;
  font-weight: 500;
  color: var(--rg-ink);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.10);
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity 220ms ease, transform 220ms ease;
  z-index: 50;
  pointer-events: none;
  max-width: 320px;
}
.rg-toast.is-shown { opacity: 1; transform: translateY(0); }
.rg-toast--warn { border-left-color: var(--rg-warning, #b8742d); }
.rg-toast--info { border-left-color: var(--rg-ink-faint, #8a9b8c); }
.rg-toast b { color: var(--rg-green-dk); font-weight: 700; }
.rg-toast--warn b { color: var(--rg-warning, #b8742d); }
.rg-toast .tdim { color: var(--rg-ink-dim); font-weight: 400; margin-left: 4px; }

/* ============================================================
   CTA pulse — soft expanding green halo, used to highlight the
   "do this next" button after a demo step pre-fills a form. Add
   `.is-pulsing` to any button (modal Save, form Submit, etc.).
   ============================================================ */
@keyframes rg-cta-pulse {
  0%, 100% { box-shadow: 0 0 0 0    rgba(74, 124, 78, 0.65); }
  50%      { box-shadow: 0 0 0 10px rgba(74, 124, 78, 0.0);  }
}
.is-pulsing {
  animation: rg-cta-pulse 1.4s ease-out infinite;
  position: relative;
  z-index: 5;
}