:root {
  --bg-page: #f3f5ff;
  --bg-card: #ffffff;
  --bg-soft: #f8f9ff;
  --border-soft: rgba(148, 163, 184, 0.3);
  --shadow-soft: 0 18px 45px rgba(15, 23, 42, 0.12);
  --text-main: #111827;
  --text-muted: #6b7280;
  --primary: #6366f1;
  --primary-strong: #4f46e5;
  --primary-soft: rgba(99, 102, 241, 0.12);
  --radius-lg: 1.25rem;
  --radius-xl: 1.75rem;
}

/* Page & typography */
html, body {
  height: 100%;
}

body.app-body {
  margin: 0;
  background: radial-gradient(circle at top left, #e0ebff 0, #f3f5ff 45%, #edf2ff 100%);
  color: var(--text-main);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
}

/* Navbar */
.app-navbar {
  background: rgba(248, 250, 255, 0.95);
  backdrop-filter: blur(18px);
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
}

.app-navbar .navbar-brand {
  font-weight: 700;
  letter-spacing: 0.04em;
  font-size: 1rem;
}

.app-navbar .brand-pill {
  font-size: 0.7rem;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.55);
  background: rgba(255, 255, 255, 0.96);
  text-transform: uppercase;
}

.nav-link {
  font-size: 0.9rem;
}

/* Main layout */
.app-main {
  min-height: calc(100vh - 56px);
  padding: 1.25rem 1rem 2rem;
}

@media (min-width: 992px) {
  .app-main {
    padding-left: 3rem;
    padding-right: 3rem;
    padding-top: 2rem;
  }
}

/* Generic surfaces */
.surface-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--border-soft);
}

.surface-soft {
  background: var(--bg-soft);
  border-radius: var(--radius-lg);
  border: 1px dashed rgba(148, 163, 184, 0.5);
}

/* Flash messages */
.app-flash-wrapper {
  max-width: 960px;
}

.app-flash {
  border-radius: 0.9rem;
  border: 1px solid rgba(148, 163, 184, 0.4);
}

/* Forms & inputs */
.form-control,
.form-select {
  border-radius: 0.9rem;
  border: 1px solid rgba(148, 163, 184, 0.7);
  padding: 0.6rem 1rem;
  font-size: 0.95rem;
}

.form-control::placeholder {
  color: rgba(148, 163, 184, 0.9);
}

.form-control:focus,
.form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 1px rgba(129, 140, 248, 0.4);
}

/* Buttons */
.btn-primary {
  border-radius: 999px;
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  border: none;
  padding-inline: 1.5rem;
  font-weight: 600;
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-strong), var(--primary));
}

.btn-outline-light {
  border-radius: 999px;
  border-color: rgba(55, 65, 81, 0.3);
  color: #374151;
  background-color: #ffffff;
}

.btn-outline-light:hover {
  background-color: #f3f4ff;
  color: var(--primary-strong);
  border-color: rgba(99, 102, 241, 0.6);
}

/* Small badges */
.badge-soft {
  background: rgba(255, 255, 255, 0.95);
  border-radius: 999px;
  padding: 0.25rem 0.9rem;
  border: 1px solid rgba(148, 163, 184, 0.6);
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Tables */
.table {
  color: var(--text-main);
  font-size: 0.9rem;
}

.table thead {
  background: #eef2ff;
}

.table-striped > tbody > tr:nth-of-type(odd) > * {
  background-color: #f9fafb;
}

.table-striped > tbody > tr:nth-of-type(even) > * {
  background-color: #ffffff;
}

/* Calendar */
#calendar {
  background: #ffffff;
  border-radius: var(--radius-xl);
  padding: 0.75rem;
  border: 1px solid rgba(148, 163, 184, 0.28);
  box-shadow: var(--shadow-soft);
}

/* Mobile tweaks for FullCalendar */
@media (max-width: 768px) {
  #calendar {
    padding: 0.5rem;
  }
  .fc .fc-toolbar.fc-header-toolbar {
    flex-wrap: wrap;
    row-gap: 0.25rem;
  }
  .fc .fc-toolbar-title {
    font-size: 1rem;
  }
  .fc .fc-button {
    padding: 0.15rem 0.45rem;
    font-size: 0.75rem;
  }
}

/* Simple fade-in */
.app-fade-in {
  animation: fadeInUp 0.35s ease-out both;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translate3d(0, 8px, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}


/* Textareas – lepší čitelnost začátku textu */
textarea.form-control {
  border-radius: 0.9rem;
  padding-top: 0.7rem;
  min-height: 120px;
}

/* Menší tlačítka v tabulkách v adminu na mobilu */
@media (max-width: 768px) {
  .table .btn.btn-sm {
    padding: 0.2rem 0.55rem;
    font-size: 0.75rem;
  }
}