/* ============================================================
   Travel Training Calendar — design system coerente con
   anteprima.traveltraining.eu (palette bordeaux + oro, Lora + Source Sans 3)
   ============================================================ */

:root {
  /* Brand */
  --tt-bordeaux:        #8B1A2B;
  --tt-bordeaux-dark:   #6B1320;
  --tt-bordeaux-darker: #4A0D17;
  --tt-bordeaux-light:  #A8334A;
  --tt-bordeaux-50:     #FAF1F2;
  --tt-bordeaux-100:    #F5E2E5;

  /* Neutri */
  --tt-ink:        #1A1A1A;
  --tt-text:       #2B2B2B;
  --tt-text-muted: #585858;
  --tt-text-light: #767676;
  --tt-line:       #DDDDDD;
  --tt-line-soft:  #ECECEC;
  --tt-bg:         #FFFFFF;
  --tt-bg-soft:    #F7F6F4;
  --tt-bg-warm:    #F4EFE8;

  /* Accenti */
  --tt-gold:       #B8945A;
  --tt-gold-soft:  #E8DCC4;
  --tt-sand:       #EFE7D8;
  --tt-sea:        #1F5C7A;

  /* Semantici */
  --tt-info:    #1F5C7A;
  --tt-success: #1F6B3D;
  --tt-danger:  #B23636;

  /* Tipografia */
  --tt-font-sans:    "Source Sans 3", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --tt-font-display: "Lora", Georgia, "Times New Roman", serif;

  /* Layout */
  --tt-max:        1280px;
  --tt-radius:     4px;
  --tt-radius-lg:  8px;
  --tt-shadow-sm:  0 1px 2px rgba(26,26,26,.06), 0 1px 3px rgba(26,26,26,.04);
  --tt-shadow-md:  0 4px 16px rgba(26,26,26,.08);
  --tt-shadow-lg:  0 12px 32px rgba(26,26,26,.15);

  --sidebar-w: 260px;
  --topbar-h:  56px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--tt-font-sans);
  font-size: 15px;
  line-height: 1.5;
  color: var(--tt-text);
  background: var(--tt-bg-soft);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--tt-bordeaux); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4, h5 { font-family: var(--tt-font-display); margin: 0; }
:focus-visible { outline: 2px solid var(--tt-bordeaux); outline-offset: 2px; border-radius: var(--tt-radius); }

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

/* ============================================================
   Layout app (sidebar + content)
   ============================================================ */
.app {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  min-height: 100vh;
}
.sidebar {
  background: linear-gradient(180deg, var(--tt-bordeaux-darker) 0%, var(--tt-bordeaux-dark) 100%);
  color: #fff;
  display: flex;
  flex-direction: column;
  padding: 18px 14px;
  gap: 18px;
  position: sticky;
  top: 0;
  height: 100vh;
}
.topbar {
  display: none;
  align-items: center;
  gap: 12px;
  height: var(--topbar-h);
  padding: 0 16px;
  background: #fff;
  border-bottom: 1px solid var(--tt-line);
  position: sticky;
  top: 0;
  z-index: 30;
}
.menu-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px;
  border: 1px solid var(--tt-line); background: #fff;
  color: var(--tt-text); border-radius: var(--tt-radius); cursor: pointer;
}
.topbar-title {
  font-family: var(--tt-font-display);
  font-weight: 600;
  font-size: 18px;
  color: var(--tt-bordeaux-darker);
}
.content {
  padding: 24px 28px 48px;
  max-width: var(--tt-max);
  width: 100%;
  margin: 0 auto;
}

/* Brand nella sidebar */
.brand {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  padding: 8px 4px 12px;
  color: #fff; text-decoration: none;
}
.brand:hover { text-decoration: none; }
.brand-logo {
  width: 110px;
  height: 110px;
  object-fit: cover;
  border-radius: var(--tt-radius);
  display: block;
  box-shadow: 0 2px 8px rgba(0,0,0,.2);
}
.brand-sub {
  font-size: 13px; color: var(--tt-gold-soft); letter-spacing: 2px;
  text-transform: uppercase; font-weight: 600;
  font-family: var(--tt-font-display);
}

/* Nav voci */
.nav { display: flex; flex-direction: column; gap: 2px; margin-top: 8px; }
.nav-item {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px;
  border-radius: var(--tt-radius);
  color: rgba(255,255,255,.85);
  font-weight: 500;
  text-decoration: none;
  transition: background .12s ease, color .12s ease;
}
.nav-item svg { width: 20px; height: 20px; flex-shrink: 0; opacity: 0.85; }
.nav-item:hover { background: rgba(255,255,255,.07); color: #fff; text-decoration: none; }
.nav-item.is-active {
  background: var(--tt-gold);
  color: var(--tt-bordeaux-darker);
}
.nav-item.is-active svg { opacity: 1; }

/* User card in fondo alla sidebar */
.user-card {
  margin-top: auto;
  display: grid;
  grid-template-columns: 36px 1fr auto;
  gap: 10px; align-items: center;
  padding: 10px;
  background: rgba(255,255,255,.06);
  border-radius: var(--tt-radius-lg);
}
.avatar {
  width: 36px; height: 36px; border-radius: 50%; object-fit: cover;
  background: var(--tt-gold-soft);
}
.avatar-lg { width: 56px; height: 56px; }
.avatar-fallback {
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--tt-gold); color: var(--tt-bordeaux-darker);
  font-weight: 700; font-family: var(--tt-font-display);
}
.user-meta { min-width: 0; }
.user-name {
  font-size: 14px; font-weight: 600; color: #fff;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.user-email {
  font-size: 12px; color: rgba(255,255,255,.65);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.user-logout {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px;
  color: rgba(255,255,255,.7);
  border-radius: var(--tt-radius);
}
.user-logout:hover { background: rgba(255,255,255,.1); color: #fff; text-decoration: none; }

/* ============================================================
   Componenti riusabili
   ============================================================ */
.card {
  background: #fff;
  border: 1px solid var(--tt-line-soft);
  border-radius: var(--tt-radius-lg);
  padding: 22px 24px;
  box-shadow: var(--tt-shadow-sm);
}
.card-elevated { box-shadow: var(--tt-shadow-md); }
.card-title {
  font-family: var(--tt-font-display);
  font-weight: 600;
  font-size: 20px;
  color: var(--tt-bordeaux-darker);
  margin: 0 0 8px;
}
.card-lead {
  color: var(--tt-text-muted);
  margin: 0 0 16px;
}
.card-actions {
  display: flex; gap: 10px; align-items: center; margin-top: 14px; flex-wrap: wrap;
}
.empty-card { max-width: 480px; margin: 60px auto; text-align: center; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 9px 16px;
  border: 1px solid transparent;
  border-radius: var(--tt-radius);
  font-family: inherit; font-size: 14px; font-weight: 600;
  cursor: pointer; text-decoration: none;
  transition: background .12s ease, border-color .12s ease, color .12s ease, transform .04s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--tt-bordeaux);
  color: #fff;
}
.btn-primary:hover { background: var(--tt-bordeaux-dark); text-decoration: none; }
.btn-ghost {
  background: transparent; color: var(--tt-text); border-color: var(--tt-line);
}
.btn-ghost:hover { background: var(--tt-bg-soft); text-decoration: none; }
.btn-danger {
  background: var(--tt-danger); color: #fff;
}
.btn-danger:hover { background: #951f1f; text-decoration: none; }
.btn-google {
  background: #fff; color: #1f1f1f;
  border-color: var(--tt-line);
  width: 100%; padding: 12px 16px;
  font-weight: 600;
}
.btn-google:hover { background: var(--tt-bg-soft); text-decoration: none; }

.input, .select, textarea {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--tt-line);
  border-radius: var(--tt-radius);
  background: #fff;
  font-family: inherit; font-size: 14px; color: var(--tt-text);
  transition: border-color .12s ease, box-shadow .12s ease;
}
.input:focus, .select:focus, textarea:focus {
  border-color: var(--tt-bordeaux);
  box-shadow: 0 0 0 3px rgba(139,26,43,.15);
  outline: none;
}
textarea { resize: vertical; min-height: 80px; font-family: inherit; }

.field { display: flex; flex-direction: column; gap: 6px; }
.field-label {
  font-size: 13px; color: var(--tt-text-muted); font-weight: 600;
  letter-spacing: 0.2px;
}
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field-inline {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 14px;
}
.field-inline.grow { flex: 1; min-width: 200px; }
.form-stack { display: flex; flex-direction: column; gap: 16px; }
.form-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 8px; }
.form-feedback { font-size: 13px; color: var(--tt-text-muted); }
.form-feedback.is-ok { color: var(--tt-success); }
.form-feedback.is-err { color: var(--tt-danger); }

.alert {
  padding: 12px 14px;
  border-radius: var(--tt-radius);
  font-size: 14px;
  margin-bottom: 16px;
}
.alert-error {
  background: var(--tt-bordeaux-50);
  color: var(--tt-bordeaux-darker);
  border: 1px solid var(--tt-bordeaux-100);
}
.alert code { background: rgba(0,0,0,.05); padding: 1px 6px; border-radius: 3px; font-size: 12px; }

/* Segmented control (Prossimi / Mese / Tutto) */
.seg { display: inline-flex; gap: 0; border: 1px solid var(--tt-line); border-radius: var(--tt-radius); overflow: hidden; }
.seg-btn {
  padding: 7px 14px; background: #fff; border: 0;
  font-family: inherit; font-size: 13px; font-weight: 600; color: var(--tt-text-muted);
  cursor: pointer; border-right: 1px solid var(--tt-line);
}
.seg-btn:last-child { border-right: 0; }
.seg-btn:hover { background: var(--tt-bg-soft); }
.seg-btn.is-active { background: var(--tt-bordeaux); color: #fff; }

/* ============================================================
   Pagine specifiche
   ============================================================ */

/* Pagina toolbar comune */
.page-toolbar {
  display: flex; gap: 14px; align-items: center; margin-bottom: 18px; flex-wrap: wrap;
}

/* Calendar (FullCalendar mount) */
.calendar-mount {
  background: #fff;
  border: 1px solid var(--tt-line-soft);
  border-radius: var(--tt-radius-lg);
  padding: 18px;
  box-shadow: var(--tt-shadow-sm);
}
.fc { --fc-border-color: var(--tt-line-soft); --fc-today-bg-color: var(--tt-bordeaux-50); }
.fc .fc-button {
  background: #fff; color: var(--tt-text); border: 1px solid var(--tt-line);
  font-weight: 600; box-shadow: none;
}
.fc .fc-button:hover { background: var(--tt-bg-soft); }
.fc .fc-button-primary:not(:disabled).fc-button-active,
.fc .fc-button-primary:not(:disabled):active {
  background: var(--tt-bordeaux); color: #fff; border-color: var(--tt-bordeaux);
}
.fc .fc-toolbar-title { font-family: var(--tt-font-display); color: var(--tt-bordeaux-darker); }
.fc-event {
  background: var(--tt-bordeaux); border-color: var(--tt-bordeaux-dark);
  color: #fff; border-radius: 3px; font-weight: 500;
}

/* Lista eventi */
.events-list {
  display: flex; flex-direction: column; gap: 1px;
  background: var(--tt-line-soft);
  border-radius: var(--tt-radius-lg);
  overflow: hidden;
  border: 1px solid var(--tt-line-soft);
}
.event-row {
  background: #fff; padding: 14px 18px;
  display: grid; grid-template-columns: 96px 1fr auto; gap: 16px; align-items: center;
}
.event-row + .event-row { border-top: 1px solid var(--tt-line-soft); }
.event-date {
  text-align: center;
  background: var(--tt-bg-warm);
  border-radius: var(--tt-radius);
  padding: 8px 6px;
  font-family: var(--tt-font-display);
}
.event-date .d { font-size: 22px; font-weight: 700; color: var(--tt-bordeaux-darker); display: block; line-height: 1; }
.event-date .m { font-size: 11px; text-transform: uppercase; letter-spacing: 1px; color: var(--tt-text-muted); }
.event-title { font-weight: 600; color: var(--tt-text); margin: 0; }
.event-meta { font-size: 13px; color: var(--tt-text-muted); margin: 4px 0 0; }
.event-actions { display: flex; gap: 6px; }
.event-actions .btn { padding: 6px 12px; font-size: 13px; }
.events-empty { padding: 32px; text-align: center; color: var(--tt-text-muted); background: #fff; }

/* Settings */
.settings-grid {
  display: grid; gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}
.account-row { display: flex; gap: 16px; align-items: center; }
.account-name { font-weight: 600; font-size: 16px; }
.account-email { color: var(--tt-text-muted); font-size: 13px; }

/* Dialog (FullCalendar event editor) */
.dialog {
  border: none; border-radius: var(--tt-radius-lg); padding: 0;
  max-width: 480px; width: 92%;
  box-shadow: var(--tt-shadow-lg);
}
.dialog::backdrop { background: rgba(26,26,26,.5); backdrop-filter: blur(2px); }
.dialog-form { padding: 22px 24px; display: flex; flex-direction: column; gap: 14px; }
.dialog-title {
  font-family: var(--tt-font-display); font-weight: 600;
  font-size: 20px; color: var(--tt-bordeaux-darker); margin: 0 0 4px;
}
.dialog-actions {
  display: flex; gap: 10px; justify-content: flex-end; margin-top: 10px;
}
.dialog-actions #eventDeleteBtn { margin-right: auto; }

/* ============================================================
   Login page (full screen)
   ============================================================ */
.login-page {
  background: linear-gradient(135deg, var(--tt-bordeaux-darker), var(--tt-bordeaux) 70%);
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
}
.login-shell { width: 100%; max-width: 420px; }
.login-card {
  background: #fff;
  border-radius: var(--tt-radius-lg);
  padding: 36px 32px;
  box-shadow: var(--tt-shadow-lg);
  text-align: center;
}
.login-brand { margin-bottom: 22px; display: flex; flex-direction: column; align-items: center; gap: 14px; }
.login-logo {
  width: 120px; height: 120px; border-radius: var(--tt-radius-lg);
  box-shadow: 0 6px 18px rgba(74,13,23,.25);
  object-fit: cover;
}
.login-subtitle {
  margin: 0; color: var(--tt-gold); font-weight: 600;
  letter-spacing: 3px; font-size: 13px; text-transform: uppercase;
  font-family: var(--tt-font-display);
}
.login-lead {
  color: var(--tt-text-muted); margin: 0 0 22px;
}
.login-note {
  margin-top: 18px; font-size: 12px; color: var(--tt-text-light); line-height: 1.5;
}

/* ============================================================
   Responsive — mobile (sotto 900px)
   ============================================================ */
.sidebar-backdrop {
  position: fixed; inset: 0; background: rgba(26,26,26,.5);
  z-index: 40; opacity: 0; transition: opacity .2s ease;
}
.sidebar-backdrop:not([hidden]) { opacity: 1; }

@media (max-width: 900px) {
  .app { grid-template-columns: 1fr; }
  .topbar { display: flex; }
  .content { padding: 18px 16px 32px; }
  .sidebar {
    position: fixed; top: 0; left: 0; bottom: 0;
    width: 280px;
    z-index: 50;
    transform: translateX(-100%);
    transition: transform .25s ease;
    box-shadow: var(--tt-shadow-lg);
  }
  .sidebar.is-open { transform: translateX(0); }
  .field-row { grid-template-columns: 1fr; }
  .event-row { grid-template-columns: 64px 1fr; gap: 12px; }
  .event-actions { grid-column: 1 / -1; justify-content: flex-end; }
  .page-toolbar { gap: 10px; }
  .page-toolbar .seg { width: 100%; }
  .page-toolbar .seg-btn { flex: 1; }
}

@media (min-width: 901px) {
  .menu-toggle { display: none; }
}