@import url("https://fonts.googleapis.com/css2?family=Roboto:ital,wght@0,400;0,500;0,600;1,400&display=swap");

:root {
  --primary: #005b96;
  --primary-light: #e6f0fa;
  --danger: #c0392b;
  --border: #dcdcdc;
  --bg: #f5f5f5;
  --radius: 6px;
  --font: "Roboto", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

/* ===== Base ===== */

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: #333;
}

.page {
  max-width: 900px;
  margin: 2rem auto;
  padding: 1.5rem;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: 0 2px 6px rgba(0,0,0,0.06);
}

/* ===== Intestazione ===== */

.intestazione {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  background: #ffffff;
  border: 3px solid var(--primary);
  border-radius: 5px;
  padding: 1rem 1.5rem;
  margin-bottom: 1.2rem;
}

/* Colonna sinistra: logo + nome applicazione */
.intestazione-logo {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.4rem;
  flex-shrink: 0;
}

.intestazione-logo img {
  display: block;
  width: 100px;
  height: 73px;
  object-fit: contain;
}

/* Testo dell'applicazione (param GET "app") */
.intestazione-app {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary);
}

/* Titolo a destra */
.intestazione-titolo {
  flex: 1;
  text-align: right;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--primary);
  line-height: 1.35;
}

/* ===== Asterisco rosso ===== */

/* Asterisco nei tag <label class="required"> */
label.required::after {
  content: " *";
  color: var(--danger);
  font-weight: 700;
}

/* Asterisco esplicito nelle note e nel subtitle */
.asterisk {
  color: var(--danger);
  font-weight: 700;
}

/* ===== Testi ===== */

.subtitle {
  margin: 1rem 0 1.3rem;
  color: #666;
  font-size: 0.95rem;
}

.section-title {
  margin: 1.2rem 0 0.6rem;
  font-weight: 600;
  font-size: 1.05rem;
}

/* ===== Form group ===== */

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group label {
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 0.3rem;
  white-space: nowrap;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.45rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 0.95rem;
  color: #333;
  background: #fff;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 91, 150, 0.15);
}

/* ===== Griglie ===== */

.inline-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem 1.25rem;
  align-items: start;
}

.grid.three-cols {
  grid-template-columns: repeat(3, 1fr);
}

/* ===== Campi a tutta larghezza ===== */

.form-group.full-width {
  width: 100%;
}

.form-group.full-width textarea,
.form-group.full-width input {
  width: 100%;
}

/* ===== Campi readonly ===== */

input[readonly],
textarea[readonly] {
  background-color: #f2f2f2;
  color: #555;
  border-color: #d0d0d0;
  cursor: default;
}

input[readonly]:focus,
textarea[readonly]:focus {
  box-shadow: none;
  border-color: #d0d0d0;
}

/* ===== Footer ===== */

.footer {
  margin-top: 1.3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn-primary {
  border: none;
  border-radius: 999px;
  padding: 0.6rem 1.7rem;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  background-color: var(--primary);
  color: #ffffff;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: background-color 0.15s ease, box-shadow 0.15s ease;
}

.btn-primary:hover {
  background-color: #004a7a;
}

.btn-primary:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(0, 91, 150, 0.25);
}

.btn-secondary {
  border: 2px solid var(--primary);
  border-radius: 999px;
  padding: 0.6rem 1.7rem;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  background-color: transparent;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.btn-secondary:hover {
  background-color: #eee;
  color: #444;
}

/* ===== Hint ===== */

.hint {
  font-size: 0.72rem;
  font-style: italic;
  color: #777;
  margin-top: 0.1rem;
}

/* ===== Errori ===== */

.error {
  color: var(--danger);
  font-size: 0.8rem;
  margin-top: 0.2rem;
}

/* ===== Responsive ===== */

@media (max-width: 650px) {
  .intestazione {
    flex-direction: column;
    align-items: flex-start;
  }

  .intestazione-titolo {
    text-align: left;
  }

  .intestazione-logo img {
    width: 180px;
    height: auto;
  }

  .grid.three-cols {
    grid-template-columns: repeat(2, 1fr);
  }

  .inline-fields {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 420px) {
  .grid,
  .grid.three-cols {
    grid-template-columns: 1fr;
  }
}