/* ==========================================================================
   Teknokratlar Derneği Üyelik Sistemi — Tasarım Sistemi (v2)
   ========================================================================== */

:root {
  --tek-navy: #26315f;
  --tek-navy-light: #313e61;
  --tek-navy-dark: #1a2244;
  --tek-slate: #9babb4;
  --tek-slate-light: #e1e6e8;
  --tek-accent: #ffbc7d;
  --tek-accent-dark: #f4a355;
  --tek-gray: #7a7a7a;
  --tek-bg: #f6f7f9;
  --tek-success: #2e8b57;
  --tek-danger: #c0392b;
  --tek-radius: 0.6rem;
  --tek-shadow: 0 2px 10px rgba(38, 49, 95, 0.07);
  --tek-shadow-hover: 0 6px 20px rgba(38, 49, 95, 0.12);
}

html {
  font-size: 15px;
}

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

body {
  font-family: "Montserrat", "Segoe UI", Arial, sans-serif;
  background-color: var(--tek-bg);
  color: #2a2f3a;
  min-height: 100%;
}

h1, h2, h3, h4, h5, h6 {
  font-family: "Montserrat", "Segoe UI", Arial, sans-serif;
  font-weight: 600;
  color: var(--tek-navy);
}

a {
  color: var(--tek-navy);
}

a:hover {
  color: var(--tek-navy-light);
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus, .form-select:focus {
  box-shadow: 0 0 0 0.2rem rgba(255, 188, 125, 0.45);
}

/* ---------- Navbar ---------- */
.tek-navbar {
  background: var(--tek-navy);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.12);
}

.tek-navbar .navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.01em;
}

.tek-navbar .navbar-brand img {
  height: 34px;
  width: auto;
}

.tek-navbar .nav-link {
  color: rgba(255, 255, 255, 0.82) !important;
  font-weight: 500;
  padding: 0.5rem 0.9rem !important;
  border-radius: 0.4rem;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.tek-navbar .nav-link:hover,
.tek-navbar .nav-link.active {
  color: #fff !important;
  background-color: rgba(255, 255, 255, 0.1);
}

.tek-navbar .navbar-user {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
}

.tek-navbar .btn-link.nav-link {
  color: rgba(255, 255, 255, 0.82) !important;
}

.tek-navbar .navbar-toggler {
  border-color: rgba(255, 255, 255, 0.3);
}

.tek-navbar .navbar-toggler-icon {
  filter: invert(1);
}

/* ---------- Footer ---------- */
.tek-footer {
  background: var(--tek-navy-dark);
  color: rgba(255, 255, 255, 0.65);
  padding: 1.5rem 0;
  margin-top: 3rem;
  font-size: 0.9rem;
}

.tek-footer a {
  color: rgba(255, 255, 255, 0.85);
}

/* ---------- Page header ---------- */
.tek-page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.tek-page-header h1 {
  font-size: 1.6rem;
  margin-bottom: 0.15rem;
}

.tek-page-header .tek-page-subtitle {
  color: var(--tek-gray);
  font-size: 0.95rem;
  margin: 0;
}

/* ---------- Cards ---------- */
.card {
  border: 1px solid rgba(38, 49, 95, 0.08);
  border-radius: var(--tek-radius);
  box-shadow: var(--tek-shadow);
}

.card-header {
  background-color: #fff;
  border-bottom: 1px solid rgba(38, 49, 95, 0.08);
  font-weight: 600;
  color: var(--tek-navy);
}

/* ---------- Buttons ---------- */
.btn {
  border-radius: 0.45rem;
  font-weight: 500;
  padding: 0.5rem 1.1rem;
}

.btn-primary {
  background-color: var(--tek-navy);
  border-color: var(--tek-navy);
}

.btn-primary:hover, .btn-primary:focus, .btn-primary:active {
  background-color: var(--tek-navy-light) !important;
  border-color: var(--tek-navy-light) !important;
}

.btn-outline-primary {
  color: var(--tek-navy);
  border-color: var(--tek-navy);
}

.btn-outline-primary:hover {
  background-color: var(--tek-navy);
  border-color: var(--tek-navy);
}

.btn-accent, .btn-warning {
  background-color: var(--tek-accent);
  border-color: var(--tek-accent);
  color: var(--tek-navy-dark);
}

.btn-accent:hover, .btn-warning:hover {
  background-color: var(--tek-accent-dark);
  border-color: var(--tek-accent-dark);
  color: var(--tek-navy-dark);
}

/* ---------- Forms ---------- */
.form-label {
  font-weight: 500;
  color: var(--tek-navy);
  font-size: 0.9rem;
}

.form-control, .form-select {
  border-radius: 0.45rem;
  border-color: #d8dde3;
}

.form-control:focus, .form-select:focus {
  border-color: var(--tek-navy-light);
}

/* ---------- Tables ---------- */
.table thead th {
  color: var(--tek-navy);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  border-bottom-width: 2px;
  background-color: var(--tek-slate-light);
}

/* ---------- Badges ---------- */
.badge.bg-info {
  background-color: var(--tek-slate) !important;
  color: #fff !important;
}

/* ---------- Alerts ---------- */
.alert {
  border-radius: var(--tek-radius);
  border: none;
}

.alert-success {
  background-color: #e6f4ea;
  color: #1e6b3f;
}

.alert-danger {
  background-color: #fbe9e7;
  color: var(--tek-danger);
}

/* ---------- Auth pages ---------- */
.tek-auth-wrap {
  min-height: calc(100vh - 200px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
}

.tek-auth-card {
  width: 100%;
  max-width: 420px;
}

.tek-auth-card .tek-auth-logo {
  text-align: center;
  margin-bottom: 1.5rem;
}

.tek-auth-card .tek-auth-logo img {
  height: 48px;
}

.tek-auth-card--wide {
  max-width: 560px;
}

.tek-register-tabs {
  display: flex;
  gap: 0.4rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.tek-register-tab {
  flex: 1 1 auto;
  border: 1px solid rgba(38, 49, 95, 0.15);
  background: #fff;
  color: var(--tek-navy);
  border-radius: var(--tek-radius);
  padding: 0.5rem 0.6rem;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.tek-register-tab.is-active {
  background: var(--tek-navy);
  color: #fff;
  border-color: var(--tek-navy);
}

.tek-reference-field {
  position: relative;
}

.tek-reference-results {
  position: absolute;
  z-index: 20;
  top: 100%;
  left: 0;
  right: 0;
  max-height: 220px;
  overflow-y: auto;
  background: #fff;
  border: 1px solid rgba(38, 49, 95, 0.15);
  border-radius: var(--tek-radius);
  box-shadow: var(--tek-shadow-hover);
  margin-top: 0.25rem;
  padding: 0.25rem 0;
}

.tek-reference-results .list-group-item {
  border: none;
  font-size: 0.85rem;
}

/* ---------- Member hub ---------- */
.tek-hub-tile {
  display: block;
  text-decoration: none;
  background: #fff;
  border: 1px solid rgba(38, 49, 95, 0.08);
  border-radius: var(--tek-radius);
  box-shadow: var(--tek-shadow);
  padding: 1.25rem;
  height: 100%;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.tek-hub-tile:hover {
  transform: translateY(-3px);
  box-shadow: var(--tek-shadow-hover);
}

.tek-hub-tile .tek-hub-icon {
  width: 44px;
  height: 44px;
  border-radius: 0.5rem;
  background: var(--tek-slate-light);
  color: var(--tek-navy);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 0.75rem;
}

.tek-hub-tile h3 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
  color: var(--tek-navy);
}

.tek-hub-tile p {
  font-size: 0.85rem;
  color: var(--tek-gray);
  margin-bottom: 0;
}

.tek-hub-tile.tek-hub-tile-missing {
  background: #fdf1f1;
  border-color: rgba(220, 53, 69, 0.35);
}

.tek-hub-tile.tek-hub-tile-missing .tek-hub-icon {
  background: rgba(220, 53, 69, 0.12);
  color: #dc3545;
}

.tek-hub-tile.tek-hub-tile-missing h3 {
  color: #b02a37;
}

.tek-hub-tile-missing-badge {
  display: inline-block;
  margin-top: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: #dc3545;
}

/* ---------- Stat cards ---------- */
.tek-stat-card {
  text-align: center;
  padding: 1.5rem 1rem;
}

.tek-stat-card .tek-stat-value {
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--tek-navy);
  line-height: 1.1;
}

.tek-stat-card .tek-stat-label {
  color: var(--tek-gray);
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}