/* ============================================================
   PLATFORM TOKENS — Universal Text Scale + Font System
   Shared across all Farm Operations Platform apps
   ============================================================ */

/* --- Google Fonts: Outfit (headings) + DM Sans (body) --- */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Outfit:wght@400;500;600;700&display=swap');

:root {
  /* --- Text Scale System ---
     5 levels: XS / S / M / L / XL
     --text-scale is set via JS (settings-panel.js) and persisted to localStorage
  */
  --text-scale: 1;
  --base-size: 14px;

  /* Semantic size tokens — all typography should reference these */
  --size-xs:   calc(var(--base-size) * 0.78 * var(--text-scale));  /* ~10.9px at M */
  --size-sm:   calc(var(--base-size) * 0.88 * var(--text-scale));  /* ~12.3px at M */
  --size-base: calc(var(--base-size) * 1.0  * var(--text-scale));  /* 14px at M */
  --size-md:   calc(var(--base-size) * 1.14 * var(--text-scale));  /* ~16px at M */
  --size-lg:   calc(var(--base-size) * 1.29 * var(--text-scale));  /* ~18px at M */
  --size-xl:   calc(var(--base-size) * 1.57 * var(--text-scale));  /* ~22px at M */
  --size-2xl:  calc(var(--base-size) * 2.0  * var(--text-scale));  /* 28px at M */
  --size-3xl:  calc(var(--base-size) * 2.57 * var(--text-scale));  /* ~36px at M */

  /* --- Font Families --- */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body:    'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-code:    'JetBrains Mono', 'SF Mono', 'Cascadia Code', 'Fira Code', 'Consolas', monospace;

  /* --- Readability --- */
  --line-height-tight:  1.3;
  --line-height-base:   1.6;
  --line-height-loose:  1.8;
  --max-line-length:    80ch;
}

/* --- Apply text scale to ALL text across every page --- */
body {
  font-size: var(--size-base);
}

/* Force all common elements to inherit scaled font-size.
   This ensures the text-size slider controls EVERYTHING,
   overriding any hardcoded px values in app stylesheets. */
h1, h2, h3, h4, h5, h6,
p, span, a, li, td, th,
label, legend, caption,
input, select, textarea, button,
.header, .nav, .footer,
.tab, .badge, .btn, .pill,
summary, details, blockquote, pre, code {
  font-size: inherit;
}

/* Headings get proportional scale bumps */
h1 { font-size: var(--size-2xl) !important; }
h2 { font-size: var(--size-xl) !important; }
h3 { font-size: var(--size-lg) !important; }
h4 { font-size: var(--size-md) !important; }

/* Small/muted helper text stays proportionally smaller */
small, .text-xs, .text-muted, .sub {
  font-size: var(--size-xs) !important;
}

/* Hide legacy theme toggles — settings panel is the single source */
#theme-toggle, #theme-toggle-nav, .theme-toggle {
  display: none !important;
}

/* --- Settings Panel Styles --- */
.settings-tab-trigger {
  position: fixed;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 9998;
  background: var(--card, #0c1015);
  border: 1px solid var(--border, #1e293b);
  border-right: none;
  color: var(--text-light, #64748b);
  padding: 0.6rem 0.35rem;
  cursor: pointer;
  border-radius: 4px 0 0 4px;
  font-family: var(--font-code);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  transition: background 0.15s ease, color 0.15s ease;
  line-height: 1;
}
.settings-tab-trigger:hover {
  background: var(--highlight, #0f172a);
  color: var(--text, #cbd5e1);
}
.settings-tab-trigger:focus-visible {
  outline: 2px solid var(--primary, #14b8a6);
  outline-offset: -2px;
}
body.light .settings-tab-trigger {
  background: var(--card, #f1f5f9);
  border-color: var(--border, #cbd5e1);
  color: var(--text-light, #64748b);
}
body.light .settings-tab-trigger:hover {
  background: var(--highlight, #f0fdfa);
  color: var(--text, #1e293b);
}

/* --- Settings Panel Drawer --- */
.settings-panel {
  position: fixed;
  right: -320px;
  top: 0;
  width: 300px;
  height: 100vh;
  z-index: 9999;
  background: var(--bg-raised, #0e1118);
  border-left: 1px solid var(--border, #1e293b);
  padding: 1.2rem;
  overflow-y: auto;
  transition: right 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  font-family: var(--font-code);
  box-shadow: -4px 0 20px rgba(0, 0, 0, 0.3);
}
.settings-panel.open {
  right: 0;
}
.settings-panel-backdrop {
  position: fixed;
  inset: 0;
  z-index: 9997;
  background: rgba(0, 0, 0, 0.4);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}
.settings-panel-backdrop.visible {
  opacity: 1;
  pointer-events: auto;
}

body.light .settings-panel {
  background: var(--bg-raised, #ffffff);
  border-color: var(--border, #cbd5e1);
  box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
}

.settings-panel h3 {
  font-family: var(--font-heading);
  font-size: var(--size-md);
  font-weight: 600;
  color: var(--text-bright, #e2e8f0);
  margin-bottom: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
body.light .settings-panel h3 {
  color: var(--text-bright, #0f172a);
}

.settings-panel .sp-close {
  background: none;
  border: none;
  color: var(--text-light, #64748b);
  cursor: pointer;
  font-size: 1.1rem;
  padding: 0.2rem 0.4rem;
  border-radius: 3px;
  transition: color 0.15s ease;
}
.settings-panel .sp-close:hover {
  color: var(--text, #cbd5e1);
}

.settings-panel .sp-section {
  margin-bottom: 1.4rem;
}
.settings-panel .sp-label {
  display: block;
  font-size: var(--size-xs);
  color: var(--text-light, #64748b);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.5rem;
}

/* Theme toggle buttons */
.settings-panel .sp-theme-row {
  display: flex;
  gap: 0.5rem;
}
.settings-panel .sp-theme-btn {
  flex: 1;
  padding: 0.5rem 0.75rem;
  background: var(--card, #0c1015);
  border: 1px solid var(--border, #1e293b);
  color: var(--text, #cbd5e1);
  border-radius: 4px;
  cursor: pointer;
  font-family: var(--font-code);
  font-size: var(--size-xs);
  transition: all 0.15s ease;
  text-align: center;
}
.settings-panel .sp-theme-btn:hover {
  border-color: var(--primary, #14b8a6);
}
.settings-panel .sp-theme-btn.active {
  background: var(--primary, #14b8a6);
  color: var(--bg, #080a0f);
  border-color: var(--primary, #14b8a6);
}
body.light .settings-panel .sp-theme-btn {
  background: var(--card, #f1f5f9);
  border-color: var(--border, #cbd5e1);
  color: var(--text, #1e293b);
}

/* Text size buttons */
.settings-panel .sp-size-row {
  display: flex;
  gap: 0.35rem;
}
.settings-panel .sp-size-btn {
  flex: 1;
  padding: 0.45rem 0;
  background: var(--card, #0c1015);
  border: 1px solid var(--border, #1e293b);
  color: var(--text, #cbd5e1);
  border-radius: 4px;
  cursor: pointer;
  font-family: var(--font-code);
  font-size: 0.7rem;
  transition: all 0.15s ease;
  text-align: center;
}
.settings-panel .sp-size-btn:hover {
  border-color: var(--primary, #14b8a6);
}
.settings-panel .sp-size-btn.active {
  background: var(--primary, #14b8a6);
  color: var(--bg, #080a0f);
  border-color: var(--primary, #14b8a6);
}
body.light .settings-panel .sp-size-btn {
  background: var(--card, #f1f5f9);
  border-color: var(--border, #cbd5e1);
  color: var(--text, #1e293b);
}

/* Text preview */
.settings-panel .sp-preview {
  margin-top: 0.5rem;
  padding: 0.6rem 0.75rem;
  background: var(--card, #0c1015);
  border: 1px solid var(--border, #1e293b);
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: var(--size-base);
  color: var(--text, #cbd5e1);
  line-height: var(--line-height-base);
}
body.light .settings-panel .sp-preview {
  background: var(--card, #f1f5f9);
  border-color: var(--border, #cbd5e1);
  color: var(--text, #1e293b);
}

/* Formatting agent toggle */
.settings-panel .sp-agent-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0;
}
.settings-panel .sp-agent-toggle {
  position: relative;
  width: 36px;
  height: 20px;
  background: var(--border, #1e293b);
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.2s ease;
}
.settings-panel .sp-agent-toggle.on {
  background: var(--primary, #14b8a6);
}
.settings-panel .sp-agent-toggle::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
  background: var(--text-bright, #e2e8f0);
  border-radius: 50%;
  transition: transform 0.2s ease;
}
.settings-panel .sp-agent-toggle.on::after {
  transform: translateX(16px);
}

/* Readability score badge */
.settings-panel .sp-score {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.6rem;
  border-radius: 4px;
  font-size: var(--size-xs);
  font-weight: 600;
  font-family: var(--font-code);
}
.settings-panel .sp-score.good {
  background: rgba(122, 158, 126, 0.15);
  color: #7A9E7E;
}
.settings-panel .sp-score.warn {
  background: rgba(255, 184, 0, 0.15);
  color: var(--amber, #ffb800);
}
.settings-panel .sp-score.bad {
  background: rgba(255, 59, 48, 0.15);
  color: var(--danger, #ff3b30);
}

/* Save button */
.settings-panel .sp-save-row {
  margin-top: 0.75rem;
}
.settings-panel .sp-save {
  width: 100%;
  padding: 0.6rem;
  background: var(--primary, #14b8a6);
  border: none;
  color: #fff;
  border-radius: 4px;
  cursor: pointer;
  font-family: var(--font-code);
  font-size: var(--size-sm);
  font-weight: 600;
  letter-spacing: 0.03em;
  transition: all 0.15s ease;
}
.settings-panel .sp-save:hover {
  opacity: 0.9;
}
.settings-panel .sp-save.saved {
  background: var(--success, #7A9E7E);
}

/* Reset button */
.settings-panel .sp-reset {
  width: 100%;
  padding: 0.5rem;
  margin-top: 0.5rem;
  background: none;
  border: 1px solid var(--border, #1e293b);
  color: var(--text-light, #64748b);
  border-radius: 4px;
  cursor: pointer;
  font-family: var(--font-code);
  font-size: var(--size-xs);
  transition: all 0.15s ease;
}
.settings-panel .sp-reset:hover {
  border-color: var(--danger, #ff3b30);
  color: var(--danger, #ff3b30);
}

/* Violations list */
.settings-panel .sp-violations {
  max-height: 120px;
  overflow-y: auto;
  margin-top: 0.4rem;
  font-size: 0.65rem;
  color: var(--text-light, #64748b);
  font-family: var(--font-code);
}
.settings-panel .sp-violations div {
  padding: 0.15rem 0;
  border-bottom: 1px solid var(--border, #1e293b);
}

/* When settings panel is open, shift trigger off-screen */
.settings-panel.open ~ .settings-tab-trigger {
  right: 300px;
  transition: right 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Print: hide settings entirely */
@media print {
  .settings-tab-trigger,
  .settings-panel,
  .settings-panel-backdrop { display: none !important; }
}