/* ============================================================
   DIA — cookie consent banner and preferences
   Uses the existing tokens in css/tokens.css only.
   ============================================================ */

.dia-consent {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1000;                 /* above the chat launcher (950) */
  padding: clamp(0.75rem, 2vw, 1.25rem);
  display: flex;
  justify-content: center;
  pointer-events: none;
}

.dia-consent__card {
  pointer-events: auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--s4);
  width: min(60rem, 100%);
  padding: var(--s4) var(--s5);
  border: 1px solid var(--border-soft);
  border-radius: var(--r-lg);
  background: var(--surface);
  box-shadow: var(--sh-xl);
}

.dia-consent__body { flex: 1 1 22rem; min-width: 0; }

.dia-consent__title {
  margin: 0 0 var(--s2);
  font-size: var(--fs-h4);
  font-weight: var(--fw-title);
  letter-spacing: var(--ls-title);
  color: var(--text-primary);
}

.dia-consent__text {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: var(--lh-body);
  color: var(--text-secondary);
  max-width: var(--measure);
}

.dia-consent__links { margin: var(--s2) 0 0; font-size: var(--fs-xs); }
.dia-consent__link { color: var(--text-secondary); text-decoration: underline; }
.dia-consent__link:hover { color: var(--primary); }

.dia-consent__actions {
  flex: 0 1 auto;
  display: flex;
  flex-wrap: wrap;
  gap: var(--s2);
  align-items: center;
}

.dia-consent__btn {
  appearance: none;
  padding: var(--s3) var(--s4);
  border-radius: var(--r-md);
  font: inherit;
  font-size: var(--fs-sm);
  font-weight: var(--fw-btn);
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--t-fast), border-color var(--t-fast), color var(--t-fast);
}

.dia-consent__btn:focus-visible { outline: none; box-shadow: var(--sh-focus); }

.dia-consent__btn--primary {
  border: 1px solid var(--primary);
  background: var(--primary);
  color: #fff;
}
.dia-consent__btn--primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); }

.dia-consent__btn--ghost {
  border: 1px solid var(--border-medium);
  background: var(--surface);
  color: var(--text-primary);
}
.dia-consent__btn--ghost:hover { background: var(--surface-soft); }

/* ------------------------------------------------- preferences */

.dia-consent-prefs {
  position: fixed;
  inset: 0;
  z-index: 1001;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(0.75rem, 3vw, 2rem);
  background: rgba(11, 19, 32, 0.55);
}

.dia-consent-prefs__panel {
  width: min(34rem, 100%);
  max-height: min(40rem, calc(100vh - 3rem));
  overflow-y: auto;
  padding: var(--s5);
  border-radius: var(--r-xl);
  background: var(--surface);
  box-shadow: var(--sh-xl);
}

.dia-consent-prefs__head {
  display: flex;
  align-items: flex-start;
  gap: var(--s3);
  margin-bottom: var(--s4);
}

.dia-consent-prefs__title {
  margin: 0;
  font-size: var(--fs-h3);
  font-weight: var(--fw-title);
  letter-spacing: var(--ls-title);
  color: var(--text-primary);
}

.dia-consent-prefs__close {
  margin-left: auto;
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border: 1px solid transparent;
  border-radius: var(--r-sm);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
}
.dia-consent-prefs__close:hover { background: rgba(16, 24, 32, 0.06); color: var(--text-primary); }
.dia-consent-prefs__close:focus-visible { outline: none; box-shadow: var(--sh-focus); }

.dia-consent-prefs__list {
  display: flex;
  flex-direction: column;
  gap: var(--s3);
}

.dia-consent-prefs__row {
  display: flex;
  align-items: flex-start;
  gap: var(--s4);
  padding: var(--s4);
  border: 1px solid var(--border-soft);
  border-radius: var(--r-md);
  background: var(--surface-soft);
}

.dia-consent-prefs__row-text { flex: 1 1 auto; min-width: 0; }

.dia-consent-prefs__row-title {
  margin: 0 0 2px;
  font-size: var(--fs-sm);
  font-weight: var(--fw-label);
  color: var(--text-primary);
}

.dia-consent-prefs__row-desc {
  margin: 0;
  font-size: var(--fs-xs);
  line-height: 1.5;
  color: var(--text-secondary);
}

.dia-consent-prefs__locked {
  flex: 0 0 auto;
  align-self: center;
  font-size: var(--fs-xs);
  font-weight: var(--fw-label);
  color: var(--text-muted);
  white-space: nowrap;
}

/* switch */
.dia-consent-prefs__switch {
  flex: 0 0 auto;
  align-self: center;
  position: relative;
  display: inline-flex;
  width: 2.75rem;
  height: 1.5rem;
  cursor: pointer;
}

.dia-consent-prefs__switch input {
  position: absolute;
  inset: 0;
  margin: 0;
  opacity: 0;
  cursor: pointer;
}

.dia-consent-prefs__track {
  flex: 1 1 auto;
  border-radius: var(--r-pill);
  background: var(--surface-sunken);
  border: 1px solid var(--border-medium);
  transition: background var(--t-fast), border-color var(--t-fast);
}

.dia-consent-prefs__track::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 1.125rem;
  height: 1.125rem;
  border-radius: var(--r-pill);
  background: var(--surface);
  box-shadow: var(--sh-xs);
  transition: transform var(--t-fast);
}

.dia-consent-prefs__switch input:checked + .dia-consent-prefs__track {
  background: var(--primary);
  border-color: var(--primary);
}

.dia-consent-prefs__switch input:checked + .dia-consent-prefs__track::after {
  transform: translateX(1.25rem);
}

.dia-consent-prefs__switch input:focus-visible + .dia-consent-prefs__track {
  box-shadow: var(--sh-focus);
}

.dia-consent-prefs__note {
  margin: var(--s4) 0 0;
  font-size: var(--fs-xs);
  line-height: 1.5;
  color: var(--text-muted);
}

.dia-consent-prefs__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: var(--s2);
  margin-top: var(--s4);
}

/* The page must not scroll behind the modal. */
.dia-consent-locked, .dia-consent-locked body { overflow: hidden; }

/* ------------------------------------------------ small screens */

@media (max-width: 40rem) {
  .dia-consent__card { flex-direction: column; align-items: stretch; }
  .dia-consent__actions { justify-content: stretch; }
  .dia-consent__btn { flex: 1 1 auto; }
}

@media (prefers-reduced-motion: reduce) {
  .dia-consent__btn,
  .dia-consent-prefs__track,
  .dia-consent-prefs__track::after { transition: none; }
}


/* ===== Mobile consent compact sheet — 2026-08-30 ===== */
@media (max-width: 40rem) {
  .dia-consent {
    padding: .55rem .7rem calc(.55rem + env(safe-area-inset-bottom, 0px));
    align-items: flex-end;
  }
  .dia-consent__card {
    width: 100%;
    max-height: calc(100dvh - 1rem - env(safe-area-inset-bottom, 0px));
    overflow-y: auto;
    gap: .7rem;
    padding: 1rem;
    border-radius: 18px;
  }
  .dia-consent__body { flex: 0 1 auto; }
  .dia-consent__title { margin-bottom: .35rem; font-size: 1.05rem; }
  .dia-consent__text { font-size: .82rem; line-height: 1.45; }
  .dia-consent__links { margin-top: .4rem; font-size: .72rem; }
  .dia-consent__actions { display:grid; grid-template-columns:1fr 1fr; gap:.45rem; width:100%; }
  .dia-consent__btn { min-height: 42px; padding: .6rem .7rem; font-size: .78rem; }
  .dia-consent__btn--primary { grid-column:1 / -1; grid-row:1; }
  .dia-consent-prefs { align-items:flex-end; padding:.6rem .7rem calc(.6rem + env(safe-area-inset-bottom,0px)); }
  .dia-consent-prefs__panel { max-height:calc(100dvh - 1rem); padding:1rem; border-radius:18px; }
}