/* ------------------------------------------------------------------
   Apple.com-inspiriertes Design: Systemschrift, ruhige Flächen,
   schwarz/graue Typografie, weiche Karten mit dezentem Schatten.
------------------------------------------------------------------- */

:root {
  --tc-bg: #f5f5f7;
  --tc-surface: #ffffff;
  --tc-text: #1d1d1f;
  --tc-text-secondary: #6e6e73;
  --tc-border: rgba(0, 0, 0, 0.08);
  --tc-border-strong: rgba(0, 0, 0, 0.14);
  --tc-accent: #0071e3;
  --tc-accent-hover: #0077ed;
  --tc-radius-lg: 18px;
  --tc-radius-md: 12px;
  --tc-radius-pill: 980px;
  --tc-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04), 0 2px 10px rgba(0, 0, 0, 0.035);
  --tc-shadow-md: 0 2px 8px rgba(0, 0, 0, 0.06), 0 10px 28px rgba(0, 0, 0, 0.06);
  --tc-font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
    "Helvetica Neue", "Segoe UI", Arial, sans-serif;

  /* Bootstrap-Variablen umbiegen, damit Standardkomponenten den Look erben */
  --bs-body-font-family: var(--tc-font);
  --bs-body-bg: var(--tc-bg);
  --bs-body-color: var(--tc-text);
  --bs-emphasis-color: var(--tc-text);
  --bs-secondary-color: var(--tc-text-secondary);
  --bs-border-color: var(--tc-border);
  --bs-border-radius: var(--tc-radius-md);
  --bs-border-radius-sm: 10px;
  --bs-border-radius-lg: var(--tc-radius-lg);
  --bs-border-radius-xl: 22px;
  --bs-primary: #1d1d1f;
  --bs-primary-rgb: 29, 29, 31;
  --bs-link-color: var(--tc-accent);
  --bs-link-color-rgb: 0, 113, 227;
  --bs-link-hover-color: var(--tc-accent-hover);
  --bs-link-hover-color-rgb: 0, 119, 237;
}

body {
  background-color: var(--tc-bg);
  color: var(--tc-text);
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "kern";
}

h1, h2, h3, h4, h5, h6 {
  color: var(--tc-text);
  font-weight: 600;
  letter-spacing: -0.015em;
}

.text-muted {
  color: var(--tc-text-secondary) !important;
}

/* ---------------------------- Navigation --------------------------- */

.apple-navbar {
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--tc-border);
  box-shadow: none;
  padding-top: 0.65rem;
  padding-bottom: 0.65rem;
}

.apple-navbar .navbar-brand {
  display: inline-flex;
  align-items: center;
}

.apple-navbar .site-logo {
  height: 32px;
  width: auto;
  display: block;
  margin-right: 0.55rem;
}

.apple-navbar .site-brand-name {
  font-size: 1.02rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--tc-text);
}

.apple-navbar .nav-link {
  color: var(--tc-text) !important;
  font-size: 0.92rem;
  font-weight: 400;
  padding-left: 0.85rem !important;
  padding-right: 0.85rem !important;
  opacity: 0.82;
  transition: opacity 0.15s ease;
}

.apple-navbar .nav-link:hover,
.apple-navbar .nav-link:focus {
  opacity: 1;
}

.apple-navbar .navbar-text {
  color: var(--tc-text-secondary) !important;
  font-size: 0.85rem;
}

.apple-navbar .btn-outline-light {
  color: var(--tc-text);
  border-color: var(--tc-border-strong);
}

.apple-navbar .btn-outline-light:hover {
  background: var(--tc-text);
  border-color: var(--tc-text);
  color: #fff;
}

.apple-navbar .navbar-toggler {
  border: none;
  box-shadow: none;
}

.apple-navbar .dropdown-menu {
  margin-top: 0.5rem;
}

/* ------------------------------- Cards ------------------------------ */

.card {
  background: var(--tc-surface);
  border: none;
  border-radius: var(--tc-radius-lg);
  box-shadow: var(--tc-shadow-sm);
}

.card-body {
  padding: 1.6rem;
}

/* ------------------------------ Buttons ------------------------------ */

.btn {
  font-weight: 500;
  border-radius: var(--tc-radius-pill);
  padding: 0.5rem 1.35rem;
  white-space: nowrap;
  transition: transform 0.08s ease, opacity 0.15s ease, background-color 0.15s ease;
}

.btn-sm {
  padding: 0.3rem 0.95rem;
  border-radius: var(--tc-radius-pill);
}

.btn-primary {
  background-color: var(--tc-text);
  border-color: var(--tc-text);
}

.btn-primary:hover,
.btn-primary:focus {
  background-color: #3a3a3c;
  border-color: #3a3a3c;
}

.btn-outline-secondary {
  color: var(--tc-text);
  border-color: var(--tc-border-strong);
}

.btn-outline-secondary:hover {
  background-color: var(--tc-text);
  border-color: var(--tc-text);
}

.btn:active {
  transform: scale(0.98);
}

/* ------------------------------- Forms -------------------------------- */

.form-control,
.form-select {
  border-radius: 10px;
  border-color: var(--tc-border-strong);
  padding: 0.55rem 0.85rem;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--tc-accent);
  box-shadow: 0 0 0 3px rgba(0, 113, 227, 0.15);
}

.form-label {
  font-weight: 500;
  font-size: 0.88rem;
  color: var(--tc-text);
}

.form-text {
  color: var(--tc-text-secondary);
}

/* ------------------------------- Tables -------------------------------- */

.table {
  --bs-table-border-color: var(--tc-border);
  color: var(--tc-text);
}

.table thead th {
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--tc-text-secondary);
  font-weight: 600;
  border-bottom-width: 1px;
}

.table-bordered {
  border-color: var(--tc-border);
}

.table-bordered > :not(caption) > * > * {
  border-color: var(--tc-border);
}

/* ------------------------------- Alerts -------------------------------- */

.alert {
  border: none;
  border-radius: var(--tc-radius-md);
}

/* ------------------------------- Badges -------------------------------- */

.badge {
  border-radius: var(--tc-radius-pill);
  font-weight: 500;
  padding: 0.4em 0.75em;
}

/* ------------------------------- Modals -------------------------------- */

.modal-content {
  border: none;
  border-radius: var(--tc-radius-lg);
  box-shadow: var(--tc-shadow-md);
}

.modal-header {
  border-bottom-color: var(--tc-border);
}

.modal-footer {
  border-top-color: var(--tc-border);
}

/* ---------------------------- Dropdowns --------------------------------- */

.dropdown-menu {
  border: none;
  border-radius: var(--tc-radius-md);
  box-shadow: var(--tc-shadow-md);
  padding: 0.4rem;
}

.dropdown-item {
  border-radius: 8px;
  padding: 0.5rem 0.75rem;
}

.dropdown-item:hover,
.dropdown-item:focus {
  background-color: var(--tc-bg);
}

/* ------------------------------ Auth pages ------------------------------- */

.auth-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
}

.auth-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 1.75rem;
}

.auth-brand .auth-logo {
  height: 64px;
  width: auto;
  display: block;
  margin-bottom: 0.6rem;
}

.auth-brand .auth-brand-name {
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--tc-text);
}

.auth-card {
  width: 100%;
  max-width: 440px;
}

.auth-card .card-body {
  padding: 2.25rem;
}

/* ---------------------------- Court tabs / pills -------------------------- */

.court-tabs .nav-link {
  border-radius: var(--tc-radius-pill);
  color: var(--tc-text-secondary);
  font-weight: 500;
  padding: 0.4rem 1.1rem;
}

.court-tabs .nav-link.active {
  background-color: var(--tc-text);
  color: #fff;
}

/* ------------------------------ Week calendar ----------------------------- */

.week-table {
  border-radius: var(--tc-radius-lg);
  overflow: hidden;
  box-shadow: var(--tc-shadow-sm);
}

.time-label {
  background: var(--tc-bg);
  color: var(--tc-text-secondary);
  font-size: 0.78rem;
}

.slot-free {
  cursor: pointer;
  transition: background-color 0.1s ease;
}
.slot-free:hover {
  background: rgba(0, 113, 227, 0.08);
}

.slot-booked {
  background: #eef4ff;
  border-left: 3px solid var(--tc-accent);
  font-size: 0.85rem;
}
.slot-booked.type-block {
  background: #fdeeee;
  border-left-color: #ff3b30;
}
.slot-booked.type-recurring {
  background: #fff8e6;
  border-left-color: #ff9f0a;
}
.slot-booked.type-event {
  background: #f2eefc;
  border-left-color: #af52de;
}
.slot-booked.type-rental {
  background: #e9f0f0;
  border-left-color: #6e6e73;
}