/* ==============================
   BREATH TRAILER – BRAND STYLE
============================== */

:root {
  --md-default-bg-color: #f4f6f7;
  --md-default-fg-color: #1f2933;
  --md-default-fg-color--light: #64748b;

  --md-primary-fg-color: #0f172a;
  --md-accent-fg-color: #0ea5a4;

  --bt-card-bg: #ffffff;
  --bt-border: #e2e8f0;
}

/* Background */
.md-container,
.md-main {
  background-color: var(--md-default-bg-color);
}

/* Content width */
.md-content__inner {
  max-width: 980px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

/* Headings */
.md-typeset h1 {
  color: var(--md-primary-fg-color);
  font-size: 2.6rem;
  font-weight: 700;
  text-align: center;
}

.md-typeset h2 {
  color: var(--md-primary-fg-color);
  font-size: 1.9rem;
  font-weight: 600;
  margin-top: 3rem;
  text-align: center;
}

/* Paragraphs */
.md-typeset p {
  color: var(--md-default-fg-color);
  max-width: 760px;
  margin: 1rem auto;
  text-align: center;
}

/* Card style blocks (home & lists) */
.md-typeset ul {
  list-style: none;
  padding: 0;
}

.md-typeset ul li {
  background: var(--bt-card-bg);
  border: 1px solid var(--bt-border);
  border-radius: 14px;
  padding: 1.6rem;
  margin: 1.2rem auto;
  max-width: 760px;
  text-align: center;
  box-shadow: 0 10px 28px rgba(0,0,0,0.05);
}

/* Active navigation */
.md-nav__link--active {
  background-color: rgba(14, 165, 164, 0.18);
  font-weight: 600;
}

/* Remove footer */
.md-footer {
  display: none;
}

/* ==============================
   SIDEBAR NAVIGATION – PREMIUM
============================== */

/* Sidebar background */
.md-sidebar {
  background-color: #f8fafc;
}

/* Section titles */
.md-nav__title {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #64748b;
  margin: 1.2rem 0 0.4rem;
}

/* Navigation links */
.md-nav__link {
  font-size: 0.9rem;
  padding: 0.45rem 0.75rem;
  border-radius: 6px;
  color: #1f2933;
}

/* Hover */
.md-nav__link:hover {
  background-color: rgba(15, 23, 42, 0.05);
}

/* Active item */
.md-nav__link--active {
  background-color: rgba(14, 165, 164, 0.18);
  color: #0f172a;
  font-weight: 600;
}

/* Nested items (sub-pages) */
.md-nav__item--nested > .md-nav__link {
  font-weight: 600;
  color: #0f172a;
}

/* Remove left border clutter */
.md-nav__item .md-nav__link::before {
  display: none;
}

/* ==============================
   ADMONITIONS – BREATH TRAILER
============================== */

.md-typeset .admonition,
.md-typeset details {
  border-radius: 12px;
  font-size: 0.95rem;
}

/* Warning */
.md-typeset .admonition.warning {
  border-left: 4px solid #dc2626;
}

/* Important */
.md-typeset .admonition.important {
  border-left: 4px solid #f59e0b;
}

/* Tip */
.md-typeset .admonition.tip {
  border-left: 4px solid #0ea5a4;
}

/* Note */
.md-typeset .admonition.note {
  border-left: 4px solid #3b82f6;
}