/* Shell visiva: tipografia, sfondo, pannelli (logica invariata) */
@import url("https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,400;0,500;0,600;0,700;1,400&display=swap");

/* Utility usata nel JS mobile ma assente dal bundle Tailwind compilato */
.space-y-3 > :not([hidden]) ~ :not([hidden]) {
  margin-top: 0.75rem;
}

html {
  font-family: "Plus Jakarta Sans", ui-sans-serif, system-ui, sans-serif;
}

body.app-body {
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

[data-theme="light"] body.app-body {
  background:
    radial-gradient(900px 480px at 12% -8%, rgba(96, 165, 250, 0.28), transparent 55%),
    radial-gradient(700px 400px at 88% 0%, rgba(37, 99, 235, 0.2), transparent 50%),
    linear-gradient(165deg, #eff6ff 0%, #bfdbfe 36%, #3b82f6 68%, #1d4ed8 100%);
  color: #111827;
}

[data-theme="dark"] body.app-body {
  background:
    radial-gradient(1000px 520px at 15% -12%, rgba(96, 165, 250, 0.12), transparent 55%),
    radial-gradient(640px 380px at 92% 8%, rgba(59, 130, 246, 0.08), transparent 45%),
    linear-gradient(168deg, #111827 0%, #1f2937 48%, #111827 100%);
  color: #e5e7eb;
}

.app-header {
  border-bottom: 1px solid rgba(30, 64, 175, 0.2);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.45) inset,
    0 12px 40px rgba(15, 23, 42, 0.08);
}

[data-theme="dark"] .app-header {
  border-bottom-color: rgba(147, 197, 253, 0.14);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.04) inset,
    0 16px 48px rgba(0, 0, 0, 0.35);
}

.app-panel {
  border-radius: 1rem;
  border: 1px solid rgba(30, 64, 175, 0.16);
  box-shadow:
    0 4px 6px -1px rgba(15, 23, 42, 0.06),
    0 12px 24px -8px rgba(15, 23, 42, 0.12);
}

[data-theme="dark"] .app-panel {
  border-color: rgba(55, 65, 81, 0.9);
  box-shadow:
    0 4px 6px -1px rgba(0, 0, 0, 0.35),
    0 18px 40px -12px rgba(0, 0, 0, 0.45);
}

.app-panel--aside h2 {
  letter-spacing: -0.02em;
}

.app-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  font-weight: 600;
  border-radius: 0.5rem;
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease,
    filter 0.18s ease;
}

.app-btn--accent {
  background: linear-gradient(135deg, #60a5fa, #1e40af);
  color: #fff;
  box-shadow: 0 4px 14px rgba(30, 64, 175, 0.38);
}

.app-btn--accent:hover {
  filter: brightness(1.06);
  box-shadow: 0 6px 20px rgba(30, 64, 175, 0.48);
  transform: translateY(-1px);
}

.app-btn--danger {
  background: linear-gradient(135deg, #fb7185, #e11d48);
  color: #fff;
  box-shadow: 0 4px 14px rgba(225, 29, 72, 0.35);
}

.app-btn--danger:hover {
  filter: brightness(1.06);
  box-shadow: 0 6px 20px rgba(225, 29, 72, 0.45);
  transform: translateY(-1px);
}

#theme-toggle-button {
  border: 1px solid transparent;
}

[data-theme="light"] #theme-toggle-button:hover {
  background-color: rgba(255, 255, 255, 0.65);
  border-color: rgba(37, 99, 235, 0.22);
}

[data-theme="dark"] #theme-toggle-button:hover {
  background-color: rgba(55, 65, 81, 0.95);
  border-color: rgba(147, 197, 253, 0.2);
}

/* Slot vuoto mobile: tema gestito con data-theme, non prefers-color-scheme */
[data-theme="dark"] .lesson-slot-empty {
  background-color: rgba(55, 65, 81, 0.55) !important;
  border-color: #6b7280 !important;
}

/* --- Login (stessa famiglia visiva, pagina autonoma) --- */
body.login-page {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  font-family: "Plus Jakarta Sans", ui-sans-serif, system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  color: #111827;
  background:
    radial-gradient(900px 480px at 12% -8%, rgba(96, 165, 250, 0.28), transparent 55%),
    radial-gradient(700px 400px at 88% 0%, rgba(37, 99, 235, 0.2), transparent 50%),
    linear-gradient(165deg, #eff6ff 0%, #bfdbfe 36%, #3b82f6 68%, #1d4ed8 100%);
}

.login-wrap {
  width: 100%;
  max-width: 420px;
}

.login-card {
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(14px);
  border-radius: 1.25rem;
  border: 1px solid rgba(30, 64, 175, 0.2);
  box-shadow:
    0 4px 6px -1px rgba(15, 23, 42, 0.06),
    0 24px 56px -12px rgba(15, 23, 42, 0.18);
  padding: 2.25rem 2rem;
  text-align: center;
}

.login-card .login-top {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.login-card .login-logo {
  width: 4.5rem;
  height: 4.5rem;
  border-radius: 1rem;
  padding: 0.35rem;
  background: rgba(255, 255, 255, 0.85);
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.22);
}

.login-card .login-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: none;
}

.login-card .login-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  width: 100%;
}

.login-card h1 {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: #1e3a8a;
  text-align: left;
  flex: 1;
  min-width: 0;
}

.login-back {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: #1e40af;
  text-decoration: none;
  padding: 0.4rem 0.7rem;
  border-radius: 0.5rem;
  border: 1px solid rgba(30, 64, 175, 0.3);
  background: rgba(255, 255, 255, 0.65);
  white-space: nowrap;
  transition:
    background 0.18s ease,
    box-shadow 0.18s ease;
}

.login-back:hover {
  background: #fff;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.18);
}

.login-card .lead {
  margin: 0 0 1.75rem;
  text-align: left;
  font-size: 0.95rem;
  line-height: 1.55;
  color: #374151;
}

#loginButton {
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.25rem;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  color: #111827;
  background: #fff;
  border: 1px solid rgba(30, 64, 175, 0.22);
  border-radius: 0.65rem;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.08);
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease,
    border-color 0.18s ease;
}

#loginButton:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.12);
  border-color: rgba(37, 99, 235, 0.45);
}

#loginButton img {
  flex-shrink: 0;
}

/* Area scroll orario + zoom (classi max-h arbitrarie non nel bundle Tailwind) */
#timetableViewport {
  max-height: 75vh;
}

@media (min-width: 48rem) {
  #timetableViewport {
    max-height: calc(100vh - 14rem);
  }
}

#errorMessage {
  margin-top: 1.25rem;
  padding: 0.75rem 1rem;
  border-radius: 0.65rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: #b91c1c;
  background: rgba(254, 226, 226, 0.85);
  border: 1px solid rgba(248, 113, 113, 0.45);
}