/* Whatsio design tokens + shared primitives.
   Single source of truth — page templates must not redefine these. */

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

:root {
  /* Whatsio brand — Figma gradient: #0599C0 at 41% → #17CAD0 at 100% */
  --brand: #17CAD0;
  --brand-deep: #0599C0;
  --brand-text: #06779B;
  --brand-grad: linear-gradient(135deg, #0599C0 41%, #17CAD0 100%);
  --brand-tint: #e6f8fa;
  --brand-border: rgba(5,153,192,0.20);
  --ink: #0d0d12;
  --text: #1a1a1f;
  --sub: #5a5a6a;
  --muted: #9a9aaa;
  --line: rgba(0,0,0,0.08);
  --surface: #f8f8fa;
  --field: #f4f5f7;
  --serif: 'DM Serif Display', Georgia, serif;
  --sans: 'Inter', system-ui, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: #fff;
  color: var(--text);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; }

:focus-visible {
  outline: 2px solid var(--brand-deep);
  outline-offset: 2px;
  border-radius: 4px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; animation: none !important; }
}

/* ── shared nav ─────────────────────────────────────────────── */
nav {
  position: sticky;
  top: 0;
  z-index: 200;
  height: 72px;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(24px) saturate(160%);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
  border-bottom: 1px solid var(--line);
}
.brand-lockup { display: flex; align-items: center; gap: 12px; }
.brand-mark-img {
  width: 46px; height: 46px;
  border-radius: 13px;
  display: block; flex-shrink: 0;
  object-fit: contain;
}
.brand-name { font-size: 21px; font-weight: 700; letter-spacing: -0.03em; color: var(--ink); }
.nav-links { display: flex; align-items: center; gap: 34px; list-style: none; }
.nav-links a { color: var(--sub); font-size: 14px; transition: color 0.2s; }
.nav-links a:hover { color: var(--text); }
.nav-cta {
  color: #fff !important; font-weight: 600 !important;
  background: var(--brand-grad);
  padding: 12px 24px; border-radius: 100px;
  transition: opacity 0.2s;
}
.nav-cta:hover { opacity: 0.88; }

/* ── shared buttons ─────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--sans); font-size: 13px; font-weight: 500;
  letter-spacing: 0.03em; padding: 13px 28px;
  border-radius: 100px; border: none; cursor: pointer;
  transition: all 0.2s;
}
.btn-solid { background: var(--brand-grad); color: #fff; }
.btn-solid:hover { opacity: 0.88; }
.btn-outline { background: transparent; color: var(--sub); border: 1px solid var(--line); }
.btn-outline:hover { border-color: var(--muted); color: var(--text); }

/* ── shared footer ──────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--line);
  padding: 28px 40px;
  display: flex; align-items: center; justify-content: space-between;
}
.f-copy { font-size: 11px; font-weight: 300; color: var(--muted); letter-spacing: 0.04em; }

@media (max-width: 860px) {
  nav { padding: 0 20px; height: 64px; }
  .nav-links li:not(:last-child) { display: none; }
  .brand-mark-img { width: 40px; height: 40px; border-radius: 11px; }
  .brand-name { font-size: 18px; }
  footer { padding: 24px 20px; flex-direction: column; gap: 10px; text-align: center; }
}

/* ═══════════════════════════════════════════════════════════════
   APP CHROME — logged-in shell (base_app.html)
   Shared by dashboard, builder, analytics, settings.
   ═══════════════════════════════════════════════════════════════ */

.app-nav {
  position: sticky; top: 0; z-index: 200;
  height: 64px; padding: 0 28px;
  display: flex; align-items: center; justify-content: space-between;
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.app-nav .brand-lockup { gap: 10px; }
.app-nav .brand-mark-img { width: 38px; height: 38px; border-radius: 11px; }
.app-nav .brand-name { font-size: 19px; }

.app-nav-right { display: flex; align-items: center; gap: 30px; }

.app-links { display: flex; align-items: center; gap: 28px; list-style: none; }
.app-links a {
  font-size: 14px; font-weight: 500; color: var(--sub);
  padding: 4px 0; position: relative; transition: color 0.18s;
}
.app-links a:hover { color: var(--text); }
.app-links a.active { color: var(--brand-text); font-weight: 600; }
.app-links a.active::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -21px;
  height: 2px; background: var(--brand-deep); border-radius: 2px;
}

.app-nav .nav-cta { padding: 9px 20px; font-size: 13px !important; }

.user-menu { display: flex; align-items: center; gap: 6px; cursor: pointer; }
.user-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  object-fit: cover; background: var(--surface);
  border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 600; color: var(--sub);
}
.user-caret { width: 14px; height: 14px; color: var(--muted); }

/* dropdown */
.user-menu-wrap { position: relative; }
.user-dropdown {
  position: absolute; top: calc(100% + 10px); right: 0;
  min-width: 190px; background: #fff;
  border: 1px solid var(--line); border-radius: 12px;
  box-shadow: 0 8px 28px rgba(13,13,18,0.10);
  padding: 6px; opacity: 0; visibility: hidden;
  transform: translateY(-4px); transition: all 0.16s;
}
.user-dropdown.open { opacity: 1; visibility: visible; transform: translateY(0); }
.user-dropdown a {
  display: block; padding: 9px 12px; border-radius: 8px;
  font-size: 13.5px; color: var(--text); transition: background 0.14s;
}
.user-dropdown a:hover { background: var(--surface); }
.user-dropdown hr { border: none; height: 1px; background: var(--line); margin: 5px 0; }
.user-dropdown a.danger { color: #dc2626; }

/* app main area */
.app-main { max-width: 960px; margin: 0 auto; padding: 34px 28px 64px; }

/* slim footer */
.app-footer {
  border-top: 1px solid var(--line);
  padding: 22px 28px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
}
.app-footer .foot-mark-img {
  width: 26px; height: 26px; border-radius: 7px;
  opacity: 0.45; filter: grayscale(1);
}
.app-foot-copy { font-size: 12px; color: var(--muted); margin-left: auto; }
.app-social { display: flex; gap: 16px; }
.app-social a { color: var(--muted); display: flex; transition: color 0.16s; }
.app-social a:hover { color: var(--sub); }
.app-social svg { width: 17px; height: 17px; }

/* floating help button */
.help-fab {
  position: fixed; right: 26px; bottom: 26px; z-index: 150;
  width: 52px; height: 52px; border-radius: 50%;
  background: var(--ink); color: #fff; border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; font-weight: 600;
  box-shadow: 0 8px 24px rgba(0,0,0,0.22);
  transition: transform 0.16s, box-shadow 0.16s;
}
.help-fab:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(0,0,0,0.28); }

@media (max-width: 720px) {
  .app-nav { padding: 0 16px; }
  .app-links { display: none; }
  .app-nav .nav-cta { display: none; }
  .app-main { padding: 24px 16px 48px; }
  .app-footer { flex-wrap: wrap; }
  .help-fab { right: 16px; bottom: 16px; }
}

/* ═══════════════════════════════════════════════════════════════
   COURSE BUILDER — full-bleed three-column workspace
   (base_builder.html). Left: outline. Centre: canvas. Right: preview.
   ═══════════════════════════════════════════════════════════════ */

.builder-body { height: 100vh; display: flex; flex-direction: column; overflow: hidden; }

/* top bar reuses .app-nav but is not sticky-scrolling a page */
.builder-body .app-nav { flex-shrink: 0; }

.builder-grid {
  flex: 1; min-height: 0;
  display: grid;
  grid-template-columns: 260px 1fr 400px;
  overflow: hidden;
}

/* ── left: course outline ───────────────────────────────────── */
.outline {
  border-right: 1px solid var(--line);
  display: flex; flex-direction: column;
  overflow-y: auto; padding: 22px 18px;
}
.outline-eyebrow { font-size: 10px; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--brand-text); margin-bottom: 4px; }
.outline-title { font-family: var(--sans); font-weight: 600; font-size: 18px; color: var(--ink); margin-bottom: 20px; letter-spacing: -0.01em; }

.module {
  border: 1px solid var(--line); border-radius: 11px;
  margin-bottom: 8px; overflow: hidden; background: #fff;
}
.module-head {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 13px; cursor: pointer; user-select: none;
  font-size: 13.5px; font-weight: 600; color: var(--text);
}
.module.active .module-head { background: var(--brand-tint); color: var(--brand-text); }
.module-grip { color: var(--muted); font-size: 12px; flex-shrink: 0; }
.module-caret { margin-left: auto; color: var(--muted); width: 15px; height: 15px; transition: transform 0.18s; }
.module.collapsed .module-caret { transform: rotate(-90deg); }
.module-lessons { padding: 2px 0 8px; }
.module.collapsed .module-lessons { display: none; }
.lesson {
  padding: 8px 13px 8px 30px; font-size: 12.5px; color: var(--sub);
  cursor: pointer; border-radius: 7px; margin: 0 6px;
}
.lesson:hover { background: var(--surface); }
.lesson.active { color: var(--brand-text); font-weight: 500; }

.add-module {
  border: 1px dashed rgba(0,0,0,0.16); border-radius: 11px;
  padding: 12px; text-align: center; font-size: 13px; color: var(--sub);
  cursor: pointer; background: none; width: 100%; font-family: var(--sans);
  transition: border-color 0.16s, color 0.16s;
}
.add-module:hover { border-color: var(--brand); color: var(--brand-text); }

/* empty outline */
.outline-empty {
  border: 1px solid var(--line); border-radius: 12px;
  padding: 28px 16px; text-align: center; margin-bottom: 8px;
}
.outline-empty .oe-ico {
  width: 44px; height: 44px; border-radius: 50%; background: var(--surface);
  margin: 0 auto 12px; display: flex; align-items: center; justify-content: center;
  font-size: 18px; color: var(--muted);
}
.outline-empty h4 { font-size: 13.5px; color: var(--ink); margin-bottom: 5px; }
.outline-empty p { font-size: 11.5px; color: var(--muted); line-height: 1.5; }

/* magic AI creator card, pinned bottom */
.magic-card {
  margin-top: auto; border: 1px solid var(--brand-border);
  background: var(--brand-tint); border-radius: 12px; padding: 16px;
}
.magic-card h4 { font-size: 13px; color: var(--ink); margin-bottom: 6px; display: flex; align-items: center; gap: 6px; }
.magic-card p { font-size: 11.5px; color: var(--sub); line-height: 1.5; margin-bottom: 12px; }
.magic-btn {
  background: var(--brand-grad); color: #fff; border: none; border-radius: 8px;
  padding: 9px 14px; font-size: 12.5px; font-weight: 600; cursor: pointer;
  font-family: var(--sans); width: 100%;
}

/* ── centre: canvas ─────────────────────────────────────────── */
.canvas-col { display: flex; flex-direction: column; overflow: hidden; }
.canvas-bar {
  flex-shrink: 0; height: 54px; border-bottom: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center; gap: 14px;
  font-size: 13px; color: var(--muted); position: relative;
}
.canvas-undo { position: absolute; right: 20px; display: flex; gap: 6px; }
.canvas-undo button {
  width: 30px; height: 30px; border-radius: 8px; border: 1px solid var(--line);
  background: #fff; color: var(--sub); cursor: pointer; font-size: 14px;
}
.canvas-undo button:disabled { opacity: 0.4; cursor: default; }

.canvas {
  flex: 1; overflow-y: auto; padding: 34px 40px 120px;
  max-width: 680px; margin: 0 auto; width: 100%;
}
.course-title-input {
  font-family: var(--sans); font-weight: 700; font-size: 28px; color: var(--ink);
  border: none; outline: none; width: 100%; background: none;
  padding: 6px 0; letter-spacing: -0.02em;
}
.course-title-input::placeholder { color: #c8c8d2; }
.course-desc-input {
  font-size: 14.5px; color: var(--sub); border: none; outline: none;
  width: 100%; background: none; resize: none; padding: 10px 0;
  border-bottom: 1px solid var(--line); margin-bottom: 30px; font-family: var(--sans);
  line-height: 1.6;
}
.course-desc-input::placeholder { color: var(--muted); }

/* a rendered content block on the canvas */
.block { border: 1px solid var(--line); border-radius: 12px; padding: 4px; margin-bottom: 16px; position: relative; }
.block img { width: 100%; border-radius: 9px; display: block; }
.block-q { padding: 20px 22px; }
.block-q-tag { display: inline-flex; align-items: center; gap: 6px; font-size: 11px; font-weight: 600; color: var(--brand-text); background: var(--brand-tint); padding: 4px 10px; border-radius: 100px; margin-bottom: 14px; }
.block-q h3 { font-size: 17px; color: var(--ink); font-weight: 600; margin-bottom: 16px; }
.q-option {
  border: 1px solid var(--line); border-radius: 9px; padding: 13px 15px;
  font-size: 14px; color: var(--text); margin-bottom: 9px;
  display: flex; align-items: center; justify-content: space-between; cursor: pointer;
}
.q-option.selected { border-color: var(--brand); background: var(--brand-tint); color: var(--brand-text); }
.q-option .check { color: var(--brand); }

/* component toolbar (floating pill) */
.toolbar {
  display: inline-flex; gap: 4px; padding: 7px;
  background: #fff; border: 1px solid var(--line); border-radius: 100px;
  box-shadow: 0 8px 28px rgba(0,0,0,0.10);
}
.tool {
  display: flex; flex-direction: column; align-items: center; gap: 3px;
  padding: 8px 14px; border-radius: 100px; cursor: pointer;
  font-size: 10px; color: var(--sub); border: none; background: none; font-family: var(--sans);
  transition: background 0.14s;
}
.tool:hover { background: var(--surface); }
.tool-ico {
  width: 30px; height: 30px; border-radius: 50%; color: #fff;
  display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 600;
}
.tool-ico.text  { background: var(--brand); }
.tool-ico.media { background: #e8912d; }
.tool-ico.audio { background: #2f7de1; }
.tool-ico.quiz  { background: #8a5cf6; }
.tool-ico.poll  { background: #ec4899; }

/* empty canvas centre */
.canvas-empty { text-align: center; padding: 70px 20px; }
.canvas-empty .ce-ico {
  width: 84px; height: 84px; border-radius: 50%; background: var(--brand-tint);
  margin: 0 auto 20px; display: flex; align-items: center; justify-content: center;
  font-size: 30px; position: relative;
}
.canvas-empty .ce-plus {
  position: absolute; right: -4px; bottom: -4px; width: 30px; height: 30px;
  background: #fff; border: 1px solid var(--line); border-radius: 50%;
  display: flex; align-items: center; justify-content: center; color: var(--brand-text); font-size: 16px;
}
.canvas-empty h2 { font-size: 22px; font-weight: 600; color: var(--ink); margin-bottom: 12px; }
.canvas-empty p { font-size: 14px; color: var(--sub); line-height: 1.6; max-width: 360px; margin: 0 auto; }

.add-slot {
  border: none; background: none; cursor: pointer; display: flex;
  flex-direction: column; align-items: center; gap: 8px; margin: 8px auto 0;
  color: var(--muted); font-size: 12px; font-family: var(--sans);
}
.add-slot .as-circle {
  width: 40px; height: 40px; border-radius: 50%; background: var(--surface);
  display: flex; align-items: center; justify-content: center; font-size: 20px; color: var(--sub);
}

/* ── right: live preview ────────────────────────────────────── */
.preview-col { flex-shrink: 0; display: flex; flex-direction: column; overflow: hidden; padding: 20px 24px 24px; }
.preview-tab {
  align-self: stretch; text-align: center; font-size: 13px; font-weight: 600;
  color: var(--brand-text); background: #fff; border: 1px solid var(--line);
  border-radius: 100px; padding: 11px; margin-bottom: 26px;
}

/* whatsapp phone frame */
.wa-phone { flex: 1; min-height: 0; display: flex; flex-direction: column;
  width: 300px; border-radius: 30px; background: #111;
  padding: 10px; box-shadow: 0 20px 50px rgba(0,0,0,0.22); flex-shrink: 0;
}
.wa-screen { border-radius: 22px; overflow: hidden; background: #f7f8fa; display: flex; flex-direction: column; flex: 1; min-height: 0; }
.wa-top {
  background: var(--brand-grad); color: #fff; padding: 12px 14px;
  display: flex; align-items: center; gap: 10px;
}
.wa-back { font-size: 16px; opacity: 0.9; }
.wa-course-ava { width: 30px; height: 30px; border-radius: 50%; background: rgba(255,255,255,0.25); display: flex; align-items: center; justify-content: center; font-size: 13px; }
.wa-top-name { font-size: 12.5px; font-weight: 600; line-height: 1.3; }
.wa-top-sub { font-size: 9px; opacity: 0.8; }
.wa-thread { flex: 1; overflow-y: auto; padding: 14px 12px; display: flex; flex-direction: column; gap: 8px; }
.wa-day { align-self: center; background: rgba(255,255,255,0.7); border-radius: 7px; font-size: 9px; color: #555; padding: 3px 9px; }
.wa-bubble { max-width: 82%; padding: 7px 10px; border-radius: 8px; font-size: 12px; line-height: 1.45; box-shadow: 0 1px 1px rgba(0,0,0,0.06); }
.wa-bubble.in { background: #fff; align-self: flex-start; border-top-left-radius: 2px; }
.wa-bubble.out { background: #d9fdd3; align-self: flex-end; border-top-right-radius: 2px; }
.wa-bubble img { width: 100%; border-radius: 6px; margin-bottom: 5px; display: block; }
.wa-bubble strong { font-weight: 600; }
.wa-reply-btn { background: #fff; border-radius: 7px; text-align: center; font-size: 11.5px; color: var(--brand-deep); padding: 8px; margin-top: 4px; box-shadow: 0 1px 1px rgba(0,0,0,0.06); }
.wa-input-bar { background: #f0f0f0; padding: 8px 10px; display: flex; align-items: center; gap: 8px; }
.wa-input-box { flex: 1; background: #fff; border-radius: 100px; padding: 8px 14px; font-size: 11px; color: var(--muted); }
.wa-send-btn { width: 32px; height: 32px; border-radius: 50%; background: var(--brand); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 13px; flex-shrink: 0; }

/* preview empty */
.wa-empty { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 30px; color: var(--muted); }
.wa-empty-ico { width: 60px; height: 60px; border-radius: 50%; background: rgba(0,0,0,0.06); display: flex; align-items: center; justify-content: center; font-size: 26px; margin-bottom: 14px; }
.wa-empty p { font-size: 11.5px; line-height: 1.5; max-width: 160px; }

@media (max-width: 1100px) {
  .builder-grid { grid-template-columns: 220px 1fr 340px; }
  .wa-phone { width: 270px; }
}
@media (max-width: 860px) {
  .builder-grid { grid-template-columns: 1fr; grid-template-rows: auto 1fr; }
  .outline, .preview-col { display: none; }  /* TODO: drawer toggles on mobile */
}

/* ═══════════════════════════════════════════════════════════════
   BUILDER — editable blocks (click-to-add, inline edit, drag reorder)
   ═══════════════════════════════════════════════════════════════ */

.block.editable { position: relative; padding: 16px 18px; background: #fff; }
.block.editable:hover { border-color: var(--brand-border); }
.block.editable.dragging { opacity: 0.45; }

.block-tools {
  position: absolute; top: 8px; right: 10px;
  display: flex; align-items: center; gap: 8px;
  opacity: 0; transition: opacity 0.15s;
}
.block.editable:hover .block-tools { opacity: 1; }
.drag-handle { cursor: grab; color: var(--muted); font-size: 13px; user-select: none; }
.drag-handle:active { cursor: grabbing; }
.block-del {
  border: none; background: none; color: var(--muted); cursor: pointer;
  font-size: 13px; line-height: 1; padding: 2px 4px; border-radius: 5px;
}
.block-del:hover { background: #fdecec; color: #c0392b; }

/* text block editor */
.blk-text {
  width: 100%; border: none; outline: none; resize: none;
  font-family: var(--sans); font-size: 14.5px; color: var(--text);
  line-height: 1.6; background: none; overflow: hidden; min-height: 24px;
  display: block;
}
.blk-text::placeholder { color: var(--muted); }

/* quiz block editor */
.blk-q {
  width: 100%; border: none; outline: none; background: none;
  font-family: var(--sans); font-size: 16px; font-weight: 600; color: var(--ink);
  margin: 8px 0 14px; padding: 2px 0;
}
.blk-q::placeholder { color: var(--muted); font-weight: 500; }

.q-edit-list { display: flex; flex-direction: column; gap: 8px; }
.q-edit-row { display: flex; align-items: center; gap: 8px; }
.q-correct {
  width: 26px; height: 26px; border-radius: 50%; flex-shrink: 0;
  border: 1px solid var(--line); background: #fff; color: transparent;
  cursor: pointer; font-size: 12px; transition: all 0.14s;
}
.q-correct.on { background: var(--brand); border-color: var(--brand); color: #fff; }
.q-opt-input {
  flex: 1; border: 1px solid var(--line); border-radius: 8px;
  padding: 9px 12px; font-family: var(--sans); font-size: 13.5px; outline: none;
}
.q-opt-input:focus { border-color: var(--brand); box-shadow: 0 0 0 3px rgba(23,202,208,0.13); }
.q-opt-del {
  border: none; background: none; color: var(--muted); cursor: pointer;
  font-size: 12px; padding: 4px 6px; border-radius: 5px; flex-shrink: 0;
}
.q-opt-del:hover { background: #fdecec; color: #c0392b; }
.q-add-opt {
  margin-top: 10px; border: 1px dashed var(--line); background: none;
  color: var(--brand-text); font-family: var(--sans); font-size: 12.5px;
  padding: 8px 14px; border-radius: 8px; cursor: pointer;
}
.q-add-opt:hover { border-color: var(--brand); }

.q-hint { font-size: 11px; color: var(--muted); margin-top: 10px; }
.q-hint.warn { color: #b45309; }

/* toolbar tools are buttons now */
#toolbar-mount .tool { cursor: pointer; }

/* ── builder media/audio upload ─────────────────────────────── */
.upload-zone {
  position: relative; border: 1px dashed var(--line); border-radius: 10px;
  padding: 18px; text-align: center; cursor: pointer; margin: 8px 0;
  transition: border-color 0.15s, background 0.15s;
}
.upload-zone:hover { border-color: var(--brand); background: var(--brand-tint); }
.upload-zone.has-file { padding: 8px; border-style: solid; cursor: default; }
.upload-empty { display: flex; flex-direction: column; align-items: center; gap: 8px; color: var(--muted); font-size: 13px; }
.upload-ico { font-size: 22px; }
.upload-input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.upload-zone.has-file .upload-input { display: none; }
.blk-media { width: 100%; border-radius: 8px; display: block; }
.blk-audio { width: 100%; margin-top: 4px; }
.upload-status { font-size: 12px; margin-top: 8px; }
.upload-status.busy { color: var(--brand-text); }
.upload-status.err { color: #c0392b; }
.blk-caption {
  width: 100%; border: 1px solid var(--line); border-radius: 8px;
  padding: 8px 12px; font-family: var(--sans); font-size: 13px; outline: none; margin-top: 8px;
}
.blk-caption:focus { border-color: var(--brand); }

/* ── Share panel ── */
.share-overlay{position:fixed;inset:0;background:rgba(10,12,14,.72);display:flex;align-items:flex-start;justify-content:center;z-index:60;backdrop-filter:blur(3px);overflow-y:auto;padding:4vh 12px}
.share-card{position:relative;width:min(440px,92vw);max-height:92vh;overflow-y:auto;background:#14181c;color:#e8edf2;border:1px solid #232a31;border-radius:16px;padding:28px 26px;box-shadow:0 24px 60px rgba(0,0,0,.5)}
.share-close{position:absolute;top:14px;right:14px;background:none;border:0;color:#7d8894;font-size:18px;cursor:pointer;line-height:1}
.share-eyebrow{font:600 11px/1 Inter,system-ui;letter-spacing:.14em;text-transform:uppercase;color:#2ec36b;margin-bottom:10px}
.share-title{font:600 22px/1.2 Inter,system-ui;margin:0 0 6px}
.share-sub{font:400 13px/1.5 Inter,system-ui;color:#9aa6b2;margin:0 0 20px}
.share-label{display:block;font:600 11px/1 Inter,system-ui;letter-spacing:.1em;text-transform:uppercase;color:#7d8894;margin:16px 0 6px}
.share-row{display:flex;gap:8px}
.share-input{flex:1;background:#0e1215;border:1px solid #232a31;border-radius:9px;color:#e8edf2;padding:10px 12px;font:400 13px/1.3 Inter,system-ui}
.share-input.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.12em;font-size:16px;text-align:center}
.share-btn{background:#2ec36b;border:0;border-radius:9px;color:#04150b;font:600 13px/1 Inter;padding:0 16px;cursor:pointer;white-space:nowrap}
.share-btn.ghost{display:inline-block;margin-top:12px;background:transparent;border:1px solid #2ec36b;color:#2ec36b;padding:10px 16px;text-decoration:none;text-align:center}
.share-qr{background:#fff;border-radius:12px;padding:14px;display:flex;justify-content:center;margin-top:6px}
.share-qr img{display:block;width:180px;height:180px}
.share-open-btn{background:transparent;border:1px solid #2ec36b;color:#2ec36b;border-radius:8px;font:600 12px/1 Inter;padding:6px 12px;cursor:pointer;margin-left:10px}
.share-overlay[hidden]{display:none}

/* ── Course price pill (Option A) ── */
.course-price{display:inline-flex;align-items:center;gap:8px}
.price-pill-inner{
  display:inline-flex;align-items:stretch;height:32px;
  border:1px solid var(--line);border-radius:9px;overflow:hidden;
  background:#fff;transition:border-color .15s;
}
.course-price.paid .price-pill-inner{border-color:var(--brand-border)}
.price-label{
  display:flex;align-items:center;padding:0 10px;background:var(--brand-tint);
  color:var(--brand-text);font-size:12px;font-weight:600;
  border-right:1px solid var(--line);
}
.course-price.is-free .price-label{background:#f3f3f5;color:var(--muted)}
.price-amt{display:flex;align-items:center}
.price-cur{padding-left:10px;color:var(--brand-deep);font-weight:700;font-size:13px}
.course-price.is-free .price-cur{color:var(--muted)}
.price-input{
  width:58px;border:0;background:transparent;color:var(--ink);
  font:600 14px/1 Inter;padding:0 8px;outline:none;
}
.price-input::placeholder{color:var(--muted);font-weight:500}
.price-floor{font-size:11px;color:var(--muted);white-space:nowrap}
.price-floor.err{color:#d64545}

/* ── Dashboard course actions ── */
.course-card { position: relative; }
.course-card-link { display:block; color:inherit; text-decoration:none; }
.course-kebab { position:absolute; top:10px; right:10px; width:30px; height:30px; border-radius:8px; border:none; background:rgba(255,255,255,0.92); color:var(--text); font-size:18px; line-height:1; cursor:pointer; display:flex; align-items:center; justify-content:center; box-shadow:0 1px 4px rgba(0,0,0,0.12); }
.course-kebab:hover { background:#fff; }
.course-menu { position:absolute; top:44px; right:10px; z-index:10; min-width:150px; background:#fff; border:1px solid var(--line); border-radius:10px; padding:6px; box-shadow:0 12px 30px rgba(0,0,0,0.14); }
.cm-item { display:block; width:100%; text-align:left; background:none; border:none; padding:9px 12px; border-radius:7px; font:500 13.5px/1 var(--sans); color:var(--text); cursor:pointer; text-decoration:none; }
.cm-item:hover { background:var(--surface); }
.cm-del { color:#d64545; }

/* ── Published button state ── */
.nav-cta.is-published { background: var(--brand-tint) !important; color: var(--brand-text) !important; box-shadow: none !important; }

/* ── Price-on-publish modal ── */
.pm-overlay{position:fixed;inset:0;background:rgba(10,12,14,.55);display:flex;align-items:flex-start;justify-content:center;z-index:70;backdrop-filter:blur(3px);overflow-y:auto;padding:4vh 12px}
.pm-overlay[hidden]{display:none}
.pm-card{position:relative;width:min(420px,92vw);max-height:92vh;overflow-y:auto;background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px 30px 26px;box-shadow:0 24px 60px rgba(0,0,0,.22)}
.pm-close{position:absolute;top:16px;right:16px;background:none;border:0;color:var(--muted);font-size:18px;cursor:pointer;line-height:1}
.pm-eyebrow{font:600 11px/1 Inter;letter-spacing:.12em;text-transform:uppercase;color:var(--brand-text);margin-bottom:10px}
.pm-title{font:600 24px/1.15 Inter;color:var(--ink);margin:0 0 6px}
.pm-sub{font:400 13.5px/1.5 Inter;color:var(--sub);margin:0 0 22px}
.pm-label{display:block;font:600 12px/1 Inter;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-bottom:9px}
.pm-price-row{display:flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:12px;padding:4px 14px}
.pm-price-row:focus-within{border-color:var(--brand-deep)}
.pm-cur{font:700 18px/1 Inter;color:var(--brand-deep)}
.pm-input{flex:1;border:0;outline:none;font:600 22px/1 Inter;color:var(--ink);padding:12px 0;background:none}
.pm-floor{font:400 12.5px/1.4 Inter;color:var(--muted);margin-top:10px}
.pm-floor.warn{color:#d64545}
.pm-split{margin:22px 0;padding:16px 18px;background:var(--brand-tint);border-radius:12px}
.pm-split-row{display:flex;justify-content:space-between;align-items:center;font:500 14px/1.6 Inter;color:var(--text)}
.pm-split-row b{font-weight:700;color:var(--ink)}
.pm-split-row.muted{color:var(--sub);font-size:13px}
.pm-split-row.muted b{color:var(--sub);font-weight:600}
.pm-publish{width:100%;background:var(--brand-grad);color:#fff;border:0;border-radius:12px;padding:14px;font:600 15px/1 Inter;cursor:pointer;box-shadow:0 8px 20px rgba(5,153,192,.22)}
.pm-publish:disabled{opacity:.45;cursor:default;box-shadow:none}
.pm-msg{font:400 13px/1.4 Inter;margin-top:12px;min-height:16px}
.pm-msg.err{color:#d64545}

/* ── Mobile overflow fix: decorative hero art bleeds past the edge on phones ── */
@media (max-width: 720px) {
  .hero-decor { display: none; }
  .app-main { overflow-x: hidden; }
}
html, body { max-width: 100%; overflow-x: hidden; }

/* ── Mobile hamburger nav (Coursera-style) ── */
.nav-burger { display: none; background: none; border: 0; cursor: pointer; padding: 8px; flex-direction: column; gap: 5px; width: 40px; }
.nav-burger span { display: block; height: 2px; width: 22px; background: var(--ink); border-radius: 2px; transition: 0.2s; }
.nav-burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.nav-mobile-menu { position: absolute; top: 100%; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--line); box-shadow: 0 12px 24px rgba(0,0,0,0.08); padding: 8px 16px 14px; z-index: 50; }
.nav-mobile-menu[hidden] { display: none; }
.nav-mobile-menu a { display: block; padding: 13px 4px; font-size: 15px; color: var(--text); border-bottom: 1px solid var(--line); }
.nav-mobile-menu a:last-child { border-bottom: none; }
.nav-mobile-menu a.active { color: var(--brand-text); font-weight: 600; }
@media (max-width: 720px) {
  .app-nav { position: relative; }
  .nav-burger { display: flex; }
}

/* Hamburger sits far-left (Coursera-style), tight next to the logo */
@media (max-width: 720px) {
  .app-nav .nav-burger { margin-right: 12px; order: -1; }
  .app-nav .brand-lockup { margin-right: auto; }
}

/* ── Builder: clearer "add a block" affordance (#6) ── */
.toolbar-wrap{display:flex;flex-direction:column;align-items:center;gap:12px}
.toolbar-plus{display:inline-flex;align-items:center;gap:8px;color:var(--muted)}
.tp-circle{width:26px;height:26px;border-radius:50%;background:var(--brand-grad,#0599C0);color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;line-height:1;font-weight:400}
.tp-label{font:600 12px/1 Inter;letter-spacing:.04em;text-transform:uppercase}

/* ── Floating "add block" button (follows the canvas) ── */
.canvas-col { position: relative; }   /* anchor the FAB to the canvas column */
.fab-wrap { position: absolute; right: 26px; bottom: 26px; z-index: 40; display: flex; flex-direction: column; align-items: flex-end; gap: 10px; }
.fab-add { width: 54px; height: 54px; border-radius: 50%; border: 0; cursor: pointer;
  background: var(--brand-grad, #0599C0); color: #fff; font-size: 30px; line-height: 1;
  box-shadow: 0 8px 22px rgba(5,153,192,0.35); opacity: 0.88; transition: opacity .15s, transform .15s; }
.fab-add:hover { opacity: 1; transform: translateY(-1px); }
.fab-add[aria-expanded="true"] { transform: rotate(45deg); opacity: 1; }
.fab-menu { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 8px;
  box-shadow: 0 16px 40px rgba(0,0,0,0.16); display: flex; flex-direction: column; gap: 2px; min-width: 150px; }
.fab-menu[hidden] { display: none; }
.fab-item { display: flex; align-items: center; gap: 10px; width: 100%; text-align: left;
  background: none; border: 0; padding: 10px 12px; border-radius: 9px; cursor: pointer;
  font: 500 14px/1 Inter; color: var(--text); }
.fab-item:hover { background: var(--surface, #f3f5f7); }
.fab-item .tool-ico { width: 22px; height: 22px; font-size: 13px; }

/* ── Fix: #wa-thread-mount is the actual scroll area between header + input bar ── */
#wa-thread-mount { flex: 1; min-height: 0; overflow-y: auto; }
.wa-top { flex-shrink: 0; }
.wa-input-bar { flex-shrink: 0; }