:root {
  /* DentTrack mavi paleti */
  --dt-primary: #0b6bcb;
  --dt-primary-dark: #084a99;
  --dt-primary-light: #4a9be6;
  --dt-accent: #16b8c8;
  --dt-bg: #eef4fb;
  --dt-surface: #ffffff;
  --dt-ink: #14263b;
  --dt-muted: #5c7286;

  /* Bootstrap birincil rengini mavi yap */
  --bs-primary: #0b6bcb;
  --bs-primary-rgb: 11, 107, 203;
  --bs-link-color: #0b6bcb;
  --bs-link-color-rgb: 11, 107, 203;
  --bs-link-hover-color: #084a99;
}

html {
  font-size: 14px;
  position: relative;
  min-height: 100%;
}

@media (min-width: 768px) {
  html { font-size: 16px; }
}

body {
  margin-bottom: 70px;
  background-color: var(--dt-bg);
  color: var(--dt-ink);
  font-family: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
}

/* ---------- Navbar ---------- */
.navbar-denttrack {
  background: linear-gradient(90deg, var(--dt-primary-dark) 0%, var(--dt-primary) 55%, var(--dt-accent) 140%);
  box-shadow: 0 2px 12px rgba(8, 74, 153, 0.25);
}

.navbar-denttrack .navbar-brand {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  color: #fff;
  font-weight: 700;
  letter-spacing: .3px;
  font-size: 1.35rem;
}

.navbar-denttrack .navbar-brand .brand-tooth {
  width: 30px;
  height: 30px;
  color: #fff;
  filter: drop-shadow(0 1px 2px rgba(0,0,0,.2));
}

.navbar-denttrack .navbar-brand .brand-track { color: #cdeafd; font-weight: 600; }

.navbar-denttrack .nav-link {
  color: rgba(255, 255, 255, 0.88) !important;
  font-weight: 500;
  border-radius: .5rem;
  padding: .4rem .8rem !important;
  transition: background-color .15s ease, color .15s ease;
}

.navbar-denttrack .nav-link:hover,
.navbar-denttrack .nav-link:focus {
  color: #fff !important;
  background-color: rgba(255, 255, 255, 0.15);
}

.navbar-denttrack .navbar-text,
.navbar-denttrack .nav-item > span.nav-link {
  color: rgba(255,255,255,.92) !important;
}

.navbar-denttrack .navbar-toggler {
  border-color: rgba(255,255,255,.4);
}
.navbar-denttrack .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255,255,255,0.9%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* ---------- Kartlar ---------- */
.card {
  border: 1px solid rgba(11, 107, 203, 0.10);
  border-radius: .85rem;
  box-shadow: 0 4px 18px rgba(20, 38, 59, 0.06);
}

.card-header {
  background-color: rgba(11, 107, 203, 0.06);
  border-bottom: 1px solid rgba(11, 107, 203, 0.10);
  font-weight: 600;
  color: var(--dt-primary-dark);
}

/* ---------- Butonlar ---------- */
.btn-primary {
  --bs-btn-bg: var(--dt-primary);
  --bs-btn-border-color: var(--dt-primary);
  --bs-btn-hover-bg: var(--dt-primary-dark);
  --bs-btn-hover-border-color: var(--dt-primary-dark);
  --bs-btn-active-bg: var(--dt-primary-dark);
  --bs-btn-active-border-color: var(--dt-primary-dark);
}

.btn-outline-primary {
  --bs-btn-color: var(--dt-primary);
  --bs-btn-border-color: var(--dt-primary);
  --bs-btn-hover-bg: var(--dt-primary);
  --bs-btn-hover-border-color: var(--dt-primary);
  --bs-btn-active-bg: var(--dt-primary);
}

/* ---------- Tablolar ---------- */
.table > thead {
  color: var(--dt-primary-dark);
}
.table-hover > tbody > tr:hover > * {
  background-color: rgba(11, 107, 203, 0.05);
}

/* ---------- Formlar ---------- */
.form-control:focus, .form-check-input:focus, .form-select:focus {
  border-color: var(--dt-primary-light);
  box-shadow: 0 0 0 0.2rem rgba(11, 107, 203, 0.18);
}
.form-check-input:checked {
  background-color: var(--dt-primary);
  border-color: var(--dt-primary);
}
a { color: var(--dt-primary); }

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus {
  box-shadow: 0 0 0 0.2rem rgba(11, 107, 203, 0.25);
}

/* ---------- Ana sayfa hero ---------- */
.dt-hero {
  background: linear-gradient(135deg, #ffffff 0%, #e3f0fd 100%);
  border: 1px solid rgba(11, 107, 203, 0.12);
  border-radius: 1.1rem;
  padding: 2.5rem 2rem;
  box-shadow: 0 8px 30px rgba(20, 38, 59, 0.07);
}
.dt-hero .dt-hero-icon {
  width: 68px;
  height: 68px;
  color: var(--dt-primary);
}
.dt-hero h1 { font-weight: 700; color: var(--dt-primary-dark); }

/* ---------- Footer ---------- */
.footer {
  background-color: #fff;
  border-top: 1px solid rgba(11, 107, 203, 0.10) !important;
  color: var(--dt-muted);
}

/* ---------- Rozetler ---------- */
.badge.bg-primary { background-color: var(--dt-primary) !important; }