/*
 * Malibu Barbie palette – mid-tone (not dark, not light)
 * #BD9E84  tan
 * #C5DFDF  soft teal
 * #E68815  orange
 * #A71666  magenta
 * #D31638  red
 */
:root {
  /* Palette */
  --malibu-tan:      #BD9E84;
  --malibu-teal:     #C5DFDF;
  --malibu-orange:   #E68815;
  --malibu-magenta:  #A71666;
  --malibu-red:      #D31638;

  /* Roles – in-between tone */
  --ttn-bg:          #9a8570;           /* darkened tan for main background */
  --ttn-bg-soft:     #b09882;           /* softer tan for sections */
  --ttn-surface:     #C5DFDF;           /* teal for cards/panels */
  --ttn-surface-dim: #a8c9c9;           /* slightly darker teal */
  --ttn-border:      rgba(45, 35, 30, 0.2);
  --ttn-text:        #2d221c;           /* dark brown for contrast on tan/teal */
  --ttn-text-soft:   #4a3d34;
  --ttn-muted:       #6b5b52;
  --ttn-accent:      #A71666;           /* magenta for primary links/accents */
  --ttn-accent-alt:  #E68815;           /* orange for secondary accent */
  --ttn-cta:         #D31638;           /* red for primary buttons if desired */
  --ttn-radius:      8px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body { overflow-x: hidden; }

body {
  margin: 0;
  min-height: 100vh;
  font: 16px/1.5 'Lato', system-ui, -apple-system, sans-serif;
  font-weight: 700;
  color: var(--ttn-text);
  background: var(--ttn-bg);
  /* Soft gradient for depth, staying mid-tone */
  background-image:
    radial-gradient(ellipse 90% 60% at 50% 0%, var(--ttn-bg-soft) 0%, transparent 55%),
    radial-gradient(ellipse 70% 50% at 100% 80%, rgba(197, 223, 223, 0.35) 0%, transparent 50%),
    radial-gradient(ellipse 70% 50% at 0% 80%, rgba(189, 158, 132, 0.5) 0%, transparent 50%);
}

a {
  color: var(--ttn-accent);
  text-decoration: none;
}
a:hover { color: var(--ttn-accent-alt); }

/* Navbar – mid-tone bar */
.ttn-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.25rem;
  background: #e68815;
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--ttn-border);
}

.ttn-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--ttn-text);
  text-decoration: none;
  letter-spacing: 0.02em;
}
.ttn-brand:hover { color: var(--ttn-accent); }
.ttn-brand-logo {
  width: 32px;
  height: 32px;
  object-fit: contain;
  vertical-align: middle;
}

/* Hamburger */
.ttn-hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: none;
  border-radius: var(--ttn-radius);
  background: rgba(0, 0, 0, 0.06);
  color: var(--ttn-text);
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
  -webkit-tap-highlight-color: transparent;
}
.ttn-hamburger:hover {
  background: rgba(0, 0, 0, 0.1);
  color: var(--ttn-accent);
}

.ttn-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  margin: 0 auto;
  background: currentColor;
  border-radius: 1px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.ttn-nav.is-open .ttn-hamburger span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.ttn-nav.is-open .ttn-hamburger span:nth-child(2) { opacity: 0; }
.ttn-nav.is-open .ttn-hamburger span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Dropdown panel – teal surface, slides in from right */
.ttn-dropdown {
  position: fixed;
  top: 0;
  right: 0;
  width: min(280px, 85vw);
  max-width: 280px;
  height: 100vh;
  padding: 4rem 1rem 1rem;
  background: var(--ttn-surface);
  border-left: 1px solid var(--ttn-border);
  box-shadow: -4px 0 20px rgba(0, 0, 0, 0.12);
  transform: translateX(100%);
  transition: transform 0.25s ease;
  overflow-y: auto;
  z-index: 99;
  visibility: hidden;
}
.ttn-nav.is-open .ttn-dropdown {
  transform: translateX(0);
  visibility: visible;
}

.ttn-dropdown-overlay {
  position: fixed;
  inset: 0;
  background: rgba(45, 35, 30, 0.35);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
  z-index: 98;
}
.ttn-nav.is-open .ttn-dropdown-overlay {
  opacity: 1;
  visibility: visible;
}

.ttn-dropdown a {
  display: block;
  padding: 0.65rem 0.75rem;
  color: var(--ttn-text-soft);
  text-decoration: none;
  border-radius: var(--ttn-radius);
  transition: background 0.15s ease, color 0.15s ease;
}
.ttn-dropdown a:hover {
  background: var(--ttn-surface-dim);
  color: var(--ttn-accent);
}

/* Main content */
.ttn-main {
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem 1.25rem;
}

/* Cards/sections using teal */
.ttn-card {
  background: var(--ttn-surface);
  border: 1px solid var(--ttn-border);
  border-radius: var(--ttn-radius);
  padding: 1.25rem;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

/* Fitness page */
.ttn-fitness-section { margin-bottom: 1.5rem; }
.ttn-fitness-section h2 { margin-top: 0; font-size: 1.25rem; }
.ttn-details summary {
  list-style: none;
  cursor: pointer;
  padding: 0;
  user-select: none;
}
.ttn-details summary::-webkit-details-marker { display: none; }
.ttn-details summary::before {
  content: '▸ ';
  margin-right: 0.35rem;
  display: inline-block;
  transition: transform 0.2s ease;
}
.ttn-details[open] summary::before { transform: rotate(90deg); }
.ttn-details summary h2 { display: inline; }
.ttn-details > *:not(summary) { margin-top: 1rem; }
.ttn-diet-list { margin: 0.5rem 0 0 1.25rem; padding: 0; }
.ttn-diet-list li { margin-bottom: 0.35rem; }
.ttn-fitness-note { font-size: 0.9rem; color: var(--ttn-muted); margin: 0 0 0.75rem; }
.ttn-fitness-form { margin-bottom: 1rem; }
.ttn-form-row { margin-bottom: 0.75rem; }
.ttn-form-row label, .ttn-radio-group .ttn-label { display: block; font-weight: 700; margin-bottom: 0.25rem; }
.ttn-form-hint { display: block; font-size: 0.8rem; color: var(--ttn-muted); margin-top: 0.2rem; }
.ttn-fitness-form input[type="number"],
.ttn-fitness-form input[type="date"] {
  width: 100%;
  max-width: 12rem;
  padding: 0.5rem 0.5rem;
  border: 1px solid var(--ttn-border);
  border-radius: var(--ttn-radius);
  background: #fff;
  color: var(--ttn-text);
  font: inherit;
}
.ttn-radio-group .ttn-radio { display: block; margin-bottom: 0.35rem; font-weight: normal; }
.ttn-radio input { margin-right: 0.5rem; }
.ttn-btn {
  display: inline-block;
  padding: 0.5rem 1rem;
  border: 1px solid var(--ttn-border);
  border-radius: var(--ttn-radius);
  background: var(--ttn-accent);
  color: #fff;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: filter 0.15s ease;
}
.ttn-btn:hover { filter: brightness(1.1); }
.ttn-history { margin-top: 1rem; }
.ttn-history h3 { font-size: 1rem; margin: 0 0 0.5rem; }
.ttn-history-empty { font-size: 0.9rem; color: var(--ttn-muted); margin: 0; }
.ttn-history-list { list-style: none; margin: 0; padding: 0; }
.ttn-history-list li { padding: 0.35rem 0; border-bottom: 1px solid var(--ttn-border); display: flex; gap: 1rem; }
.ttn-history-date { color: var(--ttn-muted); }
.ttn-history-value { font-weight: 700; }
.ttn-error { color: var(--ttn-cta); font-weight: 700; margin-bottom: 0.5rem; }
.ttn-weight-trend { margin-bottom: 0.5rem; }
.ttn-trend-text { margin: 0; font-size: 0.95rem; }
.ttn-diet-checkboxes { display: flex; flex-direction: column; gap: 0.35rem; margin-bottom: 0.5rem; }
.ttn-checkbox { display: block; font-weight: normal; }
.ttn-checkbox input { margin-right: 0.5rem; }
.ttn-fitness-form textarea {
  width: 100%;
  max-width: 28rem;
  padding: 0.5rem;
  border: 1px solid var(--ttn-border);
  border-radius: var(--ttn-radius);
  background: #fff;
  color: var(--ttn-text);
  font: inherit;
  resize: vertical;
}
.ttn-notes-list li { flex-direction: column; align-items: flex-start; gap: 0.25rem; }

/* Motivation modal */
.ttn-modal { position: fixed; inset: 0; z-index: 1000; display: flex; align-items: center; justify-content: center; padding: 1rem; }
.ttn-modal[hidden] { display: none; }
.ttn-modal-overlay { position: absolute; inset: 0; background: rgba(0,0,0,0.7); cursor: pointer; }
.ttn-modal-content { position: relative; background: var(--ttn-bg); border-radius: var(--ttn-radius); box-shadow: 0 0.5rem 2rem rgba(0,0,0,0.3); max-width: 90vw; width: 640px; }
.ttn-modal-close { position: absolute; top: 0.5rem; right: 0.5rem; z-index: 2; width: 2rem; height: 2rem; padding: 0; border: none; border-radius: var(--ttn-radius); background: var(--ttn-muted); color: #fff; font-size: 1.25rem; line-height: 1; cursor: pointer; }
.ttn-modal-close:hover { background: var(--ttn-text); }
.ttn-modal-video-wrap { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; border-radius: 0 0 var(--ttn-radius) var(--ttn-radius); }
.ttn-modal-video-wrap iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: 0; }
.ttn-sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }