/* ============================================================
   April Launch Concierge
   Visual direction: "Equestrian professional — warm, grounded, trustworthy."
   ============================================================ */

:root {
  /* Palette — deep navy / warm ivory / saddle chestnut / meadow sage */
  --green:       #1C2B3A;   /* deep navy — primary (replaces golf green) */
  --cream:       #F5F0E6;   /* warm ivory — backgrounds */
  --cream-soft:  #FAF6EF;   /* slightly lighter for cards */
  --ink:         #1A1A1A;
  --ink-soft:    #3A3A37;
  --ink-faint:   #6B6B65;
  --tan:         #8C4A2F;   /* saddle chestnut — CTAs, active, progress */
  --tan-deep:    #744029;
  --tan-faint:   #EAD5C4;
  --sage:        #6B7B6B;   /* meadow sage */
  --sage-faint:  #DCE3DC;
  --line:        #E1DDD0;
  --shadow:      0 1px 2px rgba(28, 43, 58, 0.04), 0 8px 24px rgba(28, 43, 58, 0.06);
  --shadow-deep: 0 4px 12px rgba(28, 43, 58, 0.08), 0 16px 40px rgba(28, 43, 58, 0.10);

  /* Typography */
  --font-serif: "Fraunces", "Iowan Old Style", "Georgia", serif;
  --font-sans:  "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --font-mono:  "JetBrains Mono", ui-monospace, "SF Mono", "Menlo", monospace;

  /* Layout */
  --reminder-h: 36px;
  --header-h:   60px;
  --rail-w:     280px;
  --chat-w:     440px;
  --content-max: 720px;

  /* Easing */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

* { box-sizing: border-box; }

/* `hidden` attribute must beat author display:grid/flex on the same element */
[hidden] { display: none !important; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body { min-height: 100vh; min-height: 100dvh; }

a {
  color: var(--green);
  text-decoration: underline;
  text-decoration-color: var(--tan);
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}
a:hover { text-decoration-color: var(--tan-deep); }

button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
  border: 0;
  background: transparent;
  color: inherit;
}

input, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

/* ============================================================
   Always-on reminder bar
   ============================================================ */

.reminder-bar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: var(--reminder-h);
  padding: 0 12px;
  background: var(--tan-faint);
  border-bottom: 1px solid var(--tan);
  font-size: 13px;
  font-weight: 500;
  color: var(--ink);
}

.reminder {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px;
  border-radius: 6px;
  color: var(--ink);
  background: transparent;
  transition: background 120ms var(--ease);
}
.reminder:hover { background: rgba(140, 74, 47, 0.12); }
.reminder[aria-expanded="true"] { background: rgba(140, 74, 47, 0.20); }

.reminder-icon {
  display: inline-grid;
  place-items: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--green);
  color: var(--tan-faint);
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 12px;
  line-height: 1;
}

.reminder-text { white-space: nowrap; }
.reminder-sep { color: var(--tan-deep); }

@media (max-width: 540px) {
  .reminder-bar { font-size: 12px; gap: 2px; }
  .reminder { padding: 4px 6px; gap: 6px; }
  .reminder-icon { width: 16px; height: 16px; font-size: 11px; }
}

.reminder-detail {
  background: var(--cream-soft);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.reminder-detail-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 16px 24px;
  font-size: 14px;
  color: var(--ink-soft);
}
.reminder-detail-inner strong {
  display: block;
  color: var(--ink);
  font-weight: 600;
  margin-bottom: 6px;
}
.reminder-detail-inner ul { margin: 10px 0 0; padding-left: 20px; }
.reminder-detail-inner li { margin: 4px 0; }
.reminder-detail-inner em {
  font-style: normal;
  background: var(--tan-faint);
  padding: 0 4px;
  border-radius: 3px;
}

/* ============================================================
   PIN gate
   ============================================================ */

.pin-gate {
  min-height: calc(100vh - var(--reminder-h));
  min-height: calc(100dvh - var(--reminder-h));
  display: grid;
  place-items: center;
  padding: 24px;
  background: var(--cream);
}

.pin-card {
  width: 100%;
  max-width: 380px;
  padding: 48px 36px;
  background: var(--cream-soft);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--shadow);
  text-align: center;
}

.pin-title {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 36px;
  color: var(--green);
  margin: 0 0 6px;
  letter-spacing: -0.01em;
}

.pin-subtitle {
  margin: 0 0 28px;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
}

.pin-form {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 14px;
}

.pin-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-soft);
  text-align: left;
}

.pin-input {
  padding: 14px 16px;
  background: var(--cream);
  border: 1px solid var(--line);
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 18px;
  letter-spacing: 0.15em;
  text-align: center;
  outline: none;
  transition: border-color 120ms var(--ease), box-shadow 120ms var(--ease);
}
.pin-input:focus {
  border-color: var(--tan);
  box-shadow: 0 0 0 3px rgba(140, 74, 47, 0.15);
}

.pin-submit {
  padding: 14px 16px;
  background: var(--tan);
  color: var(--cream-soft);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.02em;
  border-radius: 8px;
  transition: background 120ms var(--ease);
}
.pin-submit:hover { background: var(--tan-deep); }

.pin-error {
  margin: 6px 0 0;
  font-size: 13px;
  color: #8B3A2A;
  text-align: left;
}

/* ============================================================
   App shell
   ============================================================ */

.app {
  display: flex;
  flex-direction: column;
  min-height: calc(100vh - var(--reminder-h));
  min-height: calc(100dvh - var(--reminder-h));
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  padding: 0 24px;
  background: var(--cream-soft);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: var(--reminder-h);
  z-index: 30;
}

.brand { display: flex; align-items: baseline; gap: 10px; }

.brand-mark {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--tan);
  transform: translateY(-2px);
}

.brand-name {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 20px;
  color: var(--green);
  letter-spacing: -0.01em;
}

.brand-tag {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
}

.header-actions { display: flex; align-items: center; gap: 12px; }

.progress-pill {
  font-size: 12px;
  font-weight: 500;
  padding: 6px 12px;
  background: var(--sage-faint);
  color: var(--ink-soft);
  border-radius: 999px;
  white-space: nowrap;
}

.mobile-nav-toggle {
  display: none;
  width: 36px;
  height: 36px;
  font-size: 22px;
  color: var(--green);
  border-radius: 6px;
}
.mobile-nav-toggle:hover { background: var(--sage-faint); }

.app-body {
  display: grid;
  grid-template-columns: var(--rail-w) 1fr;
  flex: 1;
  min-height: 0;
}

/* ============================================================
   Phase nav (left rail)
   ============================================================ */

.phase-nav {
  background: var(--cream);
  border-right: 1px solid var(--line);
  padding: 20px 0;
  overflow-y: auto;
  position: sticky;
  top: calc(var(--reminder-h) + var(--header-h));
  align-self: start;
  max-height: calc(100vh - var(--reminder-h) - var(--header-h));
  max-height: calc(100dvh - var(--reminder-h) - var(--header-h));
}

.phase-list { list-style: none; margin: 0; padding: 0; }

.phase-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  cursor: pointer;
  border-left: 3px solid transparent;
  transition: background 120ms var(--ease), border-color 120ms var(--ease);
}
.phase-item:hover { background: var(--cream-soft); }
.phase-item.is-active { background: var(--cream-soft); border-left-color: var(--tan); }

.phase-status {
  display: inline-grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  font-size: 13px;
  flex-shrink: 0;
  background: transparent;
  border: 1.5px solid var(--ink-faint);
  color: var(--ink-faint);
}
.phase-item[data-status="complete"] .phase-status {
  background: var(--tan);
  border-color: var(--tan);
  color: var(--cream-soft);
}
.phase-item[data-status="in_progress"] .phase-status {
  border-color: var(--tan);
  color: var(--tan);
  background: transparent;
}
.phase-item[data-status="in_progress"] .phase-status::after {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--tan);
}

.phase-label { display: flex; flex-direction: column; min-width: 0; }
.phase-label-num {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
  font-weight: 600;
}
.phase-label-title { font-size: 14px; font-weight: 500; color: var(--ink); line-height: 1.3; }
.phase-item.is-active .phase-label-title { color: var(--green); }

/* ============================================================
   Phase content (center)
   ============================================================ */

.phase-content { padding: 32px 40px 200px; max-width: 100%; overflow-x: hidden; }
.phase-content-inner { max-width: var(--content-max); margin: 0 auto; }

.phase-progress { margin: 0 0 28px; }
.phase-progress-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
  margin: 0 0 8px;
}
.phase-progress-bar { width: 100%; height: 6px; background: var(--line); border-radius: 4px; overflow: hidden; }
.phase-progress-fill { height: 100%; background: var(--tan); width: 0; transition: width 240ms var(--ease); }

/* Markdown */
.phase-content-inner h1 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 36px;
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--green);
  margin: 8px 0 24px;
}
.phase-content-inner h2 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 24px;
  line-height: 1.25;
  color: var(--green);
  margin: 40px 0 14px;
}
.phase-content-inner h3 { font-family: var(--font-sans); font-weight: 600; font-size: 17px; color: var(--ink); margin: 28px 0 10px; }
.phase-content-inner h4 { font-family: var(--font-sans); font-weight: 600; font-size: 15px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--ink-soft); margin: 22px 0 8px; }
.phase-content-inner p { margin: 0 0 16px; }
.phase-content-inner ul, .phase-content-inner ol { margin: 0 0 16px; padding-left: 24px; }
.phase-content-inner li { margin: 4px 0; }
.phase-content-inner strong { color: var(--ink); font-weight: 600; }
.phase-content-inner em { font-style: italic; }
.phase-content-inner code { font-family: var(--font-mono); font-size: 0.92em; background: var(--sage-faint); padding: 1px 6px; border-radius: 4px; color: var(--ink); }
.phase-content-inner pre { background: var(--cream-soft); border: 1px solid var(--line); border-radius: 8px; padding: 16px; overflow-x: auto; margin: 0 0 20px; }
.phase-content-inner pre code { background: transparent; padding: 0; font-size: 13px; line-height: 1.55; }

.phase-content-inner table { width: 100%; border-collapse: collapse; margin: 0 0 20px; font-size: 14px; }
.phase-content-inner th { text-align: left; font-weight: 600; color: var(--green); border-bottom: 2px solid var(--tan); padding: 10px 12px; }
.phase-content-inner td { border-bottom: 1px solid var(--line); padding: 10px 12px; vertical-align: top; }

.phase-content-inner blockquote {
  margin: 18px 0;
  padding: 14px 18px;
  background: var(--sage-faint);
  border-left: 3px solid var(--sage);
  border-radius: 6px;
  font-size: 15px;
  color: var(--ink-soft);
}
.phase-content-inner blockquote p:last-child { margin-bottom: 0; }

/* GFM task-list checkboxes */
.phase-content-inner li input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border: 1.5px solid var(--ink-faint);
  border-radius: 4px;
  margin: 0 8px 0 -28px;
  position: relative;
  top: 3px;
  vertical-align: top;
  cursor: pointer;
  background: var(--cream);
  transition: background 120ms var(--ease), border-color 120ms var(--ease);
}
.phase-content-inner li input[type="checkbox"]:hover { border-color: var(--tan); }
.phase-content-inner li input[type="checkbox"]:checked { background: var(--tan); border-color: var(--tan); }
.phase-content-inner li input[type="checkbox"]:checked::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 1px;
  width: 6px;
  height: 11px;
  border: solid var(--cream-soft);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}
.phase-content-inner ul:has(> li > input[type="checkbox"]) { list-style: none; padding-left: 28px; }
.phase-content-inner ul:has(> li > input[type="checkbox"]) > li { margin: 8px 0; }

.phase-content-inner hr { border: 0; height: 1px; background: var(--line); margin: 32px 0; }

.phase-actions { display: flex; gap: 12px; margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--line); }

.btn-primary, .btn-secondary { padding: 12px 22px; border-radius: 8px; font-size: 14px; font-weight: 500; transition: background 120ms var(--ease), color 120ms var(--ease); }
.btn-primary { background: var(--tan); color: var(--cream-soft); }
.btn-primary:hover { background: var(--tan-deep); }
.btn-primary[disabled] { opacity: 0.5; cursor: not-allowed; }
.btn-secondary { background: transparent; color: var(--green); border: 1px solid var(--line); }
.btn-secondary:hover { background: var(--cream-soft); border-color: var(--sage); }

.loading { color: var(--ink-faint); font-style: italic; }

/* ============================================================
   Chat dock
   ============================================================ */

.chat-dock { position: fixed; right: 24px; bottom: 24px; z-index: 40; width: var(--chat-w); max-width: calc(100vw - 48px); }

.chat-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  background: var(--green);
  color: var(--cream);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  text-align: left;
  box-shadow: var(--shadow-deep);
  transition: transform 160ms var(--ease);
}
.chat-toggle:hover { transform: translateY(-1px); }
.chat-toggle-icon { display: inline-grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; background: var(--tan); color: var(--cream-soft); font-family: var(--font-serif); font-weight: 700; }
.chat-toggle-label { color: var(--cream); opacity: 0.85; }

.chat-panel {
  width: 100%;
  height: 540px;
  max-height: calc(100vh - var(--reminder-h) - 60px);
  max-height: calc(100dvh - var(--reminder-h) - 60px);
  background: var(--cream-soft);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow-deep);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.chat-header { display: flex; align-items: center; justify-content: space-between; padding: 14px 18px; border-bottom: 1px solid var(--line); background: var(--green); color: var(--cream); }
.chat-title { font-family: var(--font-serif); font-weight: 500; font-size: 16px; }
.chat-close { color: var(--cream); font-size: 22px; width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; opacity: 0.85; }
.chat-close:hover { opacity: 1; background: rgba(255,255,255,0.08); }

.chat-messages { flex: 1; overflow-y: auto; padding: 16px 18px; display: flex; flex-direction: column; gap: 12px; background: var(--cream); }

.chat-msg { max-width: 88%; padding: 10px 14px; border-radius: 14px; font-size: 14px; line-height: 1.5; white-space: pre-wrap; }
.chat-msg.user { align-self: flex-end; background: var(--cream-soft); border: 1px solid var(--line); border-bottom-right-radius: 4px; }
.chat-msg.assistant { align-self: flex-start; background: var(--sage-faint); border-bottom-left-radius: 4px; color: var(--ink); }
.chat-msg.typing { color: var(--ink-faint); font-style: italic; }
.chat-msg.error { background: #F5DCD3; color: #6B2C1E; align-self: stretch; font-size: 13px; }
.chat-msg strong { font-weight: 600; }
.chat-msg em { font-style: italic; }
.chat-msg code { font-family: var(--font-mono); font-size: 0.92em; background: rgba(0,0,0,0.04); padding: 1px 4px; border-radius: 3px; }

.chat-input-form { display: flex; align-items: flex-end; gap: 8px; padding: 12px; background: var(--cream-soft); border-top: 1px solid var(--line); }
.chat-input { flex: 1; resize: none; padding: 10px 12px; background: var(--cream); border: 1px solid var(--line); border-radius: 8px; font-size: 14px; line-height: 1.45; outline: none; max-height: 140px; min-height: 40px; }
.chat-input:focus { border-color: var(--tan); box-shadow: 0 0 0 3px rgba(140, 74, 47, 0.15); }
.chat-send { padding: 10px 16px; background: var(--tan); color: var(--cream-soft); font-weight: 600; font-size: 13px; border-radius: 8px; transition: background 120ms var(--ease); }
.chat-send:hover { background: var(--tan-deep); }
.chat-send[disabled] { opacity: 0.5; cursor: not-allowed; }

/* ============================================================
   Mobile
   ============================================================ */

@media (max-width: 900px) {
  :root { --rail-w: 0px; }
  .app-body { grid-template-columns: 1fr; }
  .phase-nav {
    position: fixed;
    left: 0;
    top: var(--reminder-h);
    width: 280px;
    height: calc(100vh - var(--reminder-h));
    height: calc(100dvh - var(--reminder-h));
    background: var(--cream-soft);
    transform: translateX(-100%);
    transition: transform 240ms var(--ease);
    z-index: 45;
    box-shadow: 0 0 40px rgba(28, 43, 58, 0.12);
    padding-top: 12px;
  }
  .phase-nav.is-open { transform: translateX(0); }
  .mobile-nav-toggle { display: grid; place-items: center; }
  .phase-content { padding: 24px 20px 240px; }
  .chat-dock { right: 12px; bottom: 12px; left: 12px; max-width: none; width: auto; }
  .chat-panel { height: calc(100vh - var(--reminder-h) - 80px); height: calc(100dvh - var(--reminder-h) - 80px); }
  .app-header { padding: 0 16px; }
  .progress-pill { display: none; }
}

@media (max-width: 540px) {
  .phase-content-inner h1 { font-size: 28px; }
  .phase-content-inner h2 { font-size: 21px; }
  .phase-content-inner table { font-size: 13px; }
  .phase-content-inner th, .phase-content-inner td { padding: 8px; }
}

/* ============================================================
   Print
   ============================================================ */

@media print {
  .reminder-bar, .reminder-detail, .app-header, .phase-nav, .chat-dock { display: none !important; }
  .phase-content { padding: 0; }
  .phase-content-inner { max-width: none; }
}