/**
 * ActiveZone — brief wizard page
 * Extends tokens + main.css patterns (B/W/orange)
 */

/* BRIEF-HIDDEN-FIX: .btn { display: inline-flex } wins over UA [hidden] */
.brief-wizard [hidden],
.brief-nav [hidden],
#brief-submit[hidden],
#brief-prev[hidden],
.brief-done[hidden],
.brief-step[hidden] {
  display: none !important;
}

.brief-page {
  padding-block: var(--space-7) var(--space-9);
}

.brief-page__intro {
  max-width: var(--measure);
  margin-block-end: var(--space-6);
}

.brief-page__intro h1 {
  font-family: var(--font-display);
  font-size: clamp(var(--text-2xl), 4vw, var(--text-3xl));
  letter-spacing: var(--tracking-display);
  line-height: var(--leading-tight);
  margin: 0 0 var(--space-4);
}

.brief-intro-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 52ch;
}

.brief-intro-list li {
  position: relative;
  padding-inline-start: var(--space-5);
  color: var(--color-muted);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
}

.brief-intro-list li::before {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  top: 0.55em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
}

@media (max-width: 767px) {
  .brief-intro-list {
    gap: var(--space-3);
    max-width: none;
  }

  .brief-intro-list li {
    font-size: var(--text-base);
  }
}

.brief-wizard {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  max-width: 720px;
  box-shadow: var(--shadow-sm);
}

.brief-progress {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.brief-progress__label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-muted);
}

.brief-progress__track {
  height: 6px;
  border-radius: var(--radius-pill);
  background: var(--color-surface-2);
  overflow: hidden;
}

.brief-progress__fill {
  height: 100%;
  width: 16.666%;
  background: var(--color-accent);
  border-radius: var(--radius-pill);
  transition: width var(--duration-base) var(--ease-out);
}

.brief-step {
  display: none;
  flex-direction: column;
  gap: var(--space-5);
}

.brief-step.is-active {
  display: flex;
}

.brief-step__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  letter-spacing: var(--tracking-display);
  margin: 0;
  padding: 0;
  line-height: var(--leading-snug);
  float: none;
  width: 100%;
}

.brief-step__hint {
  margin: calc(var(--space-2) * -1) 0 0;
  color: var(--color-muted);
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
}

.brief-choice-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

@media (min-width: 640px) {
  .brief-choice-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.brief-choice {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  min-height: 48px;
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  cursor: pointer;
  transition:
    border-color var(--duration-fast) var(--ease-out),
    background-color var(--duration-fast) var(--ease-out),
    transform var(--duration-fast) var(--ease-out);
}

.brief-choice:hover {
  border-color: var(--color-ink);
}

.brief-choice:has(:checked) {
  border-color: var(--color-accent);
  background: rgb(255 98 0 / 0.06);
  box-shadow: inset 0 0 0 1px var(--color-accent);
}

.brief-choice:has(:focus-visible) {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

.brief-choice input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
  margin: 0;
  pointer-events: none;
}

.brief-choice__mark {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  margin-top: 1px;
  border: 2px solid var(--color-border);
  border-radius: 50%;
  display: grid;
  place-items: center;
  transition: border-color var(--duration-fast) var(--ease-out);
}

.brief-choice:has([type="checkbox"]) .brief-choice__mark {
  border-radius: 4px;
}

.brief-choice:has(:checked) .brief-choice__mark {
  border-color: var(--color-accent);
  background: var(--color-accent);
}

.brief-choice:has(:checked) .brief-choice__mark::after {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-on-accent);
}

.brief-choice:has([type="checkbox"]:checked) .brief-choice__mark::after {
  width: 10px;
  height: 6px;
  border-radius: 0;
  background: transparent;
  border-inline-start: 2px solid var(--color-on-accent);
  border-block-end: 2px solid var(--color-on-accent);
  transform: rotate(-45deg) translateY(-1px);
}

.brief-choice__text {
  font-size: var(--text-base);
  font-weight: 500;
  line-height: var(--leading-snug);
}

.brief-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.brief-chip {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-bg);
  cursor: pointer;
  font-size: var(--text-sm);
  font-weight: 600;
  transition:
    border-color var(--duration-fast) var(--ease-out),
    background-color var(--duration-fast) var(--ease-out),
    color var(--duration-fast) var(--ease-out);
}

.brief-chip input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
  margin: 0;
  pointer-events: none;
}

.brief-chip:hover {
  border-color: var(--color-ink);
}

.brief-chip:has(:checked) {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: var(--color-on-accent);
}

.brief-chip:has(:focus-visible) {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

.brief-wizard .form__field select {
  min-height: 48px;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  width: 100%;
  font: inherit;
}

.brief-wizard .form__field select:focus-visible {
  border-color: var(--color-focus);
  outline: none;
}

.brief-conditional {
  display: none;
}

.brief-conditional.is-visible {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.brief-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
  padding-block-start: var(--space-2);
  border-block-start: 1px solid var(--color-surface-2);
}

.brief-nav .btn {
  min-height: 48px;
}

.brief-nav__spacer {
  flex: 1 1 auto;
  min-width: 0;
}

.brief-draft-note {
  font-size: var(--text-sm);
  color: var(--color-muted);
  margin: 0;
  width: 100%;
}

.brief-draft-note.is-visible {
  color: var(--color-success);
}

.brief-done {
  display: none;
  flex-direction: column;
  gap: var(--space-5);
  max-width: 640px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}

.brief-done.is-visible {
  display: flex;
}

.brief-done__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  letter-spacing: var(--tracking-display);
  margin: 0;
  line-height: var(--leading-tight);
}

.brief-done__sla {
  margin: 0;
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-ink);
}

.brief-done__list {
  margin: 0;
  padding-inline-start: 1.25rem;
  color: var(--color-muted);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  line-height: var(--leading-normal);
}

.brief-done__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.brief-copy-status {
  font-size: var(--text-sm);
  color: var(--color-success);
  margin: 0;
  min-height: 1.25em;
}

.brief-telegram-note {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-muted);
}

@media (prefers-reduced-motion: reduce) {
  .brief-progress__fill,
  .brief-choice,
  .brief-chip {
    transition: none;
  }
}

@media (max-width: 767px) {
  .brief-page {
    padding-block: var(--space-6) var(--space-8);
  }

  .brief-wizard,
  .brief-done {
    padding: var(--space-4);
  }

  .brief-nav .btn {
    flex: 1 1 calc(50% - var(--space-3));
  }

  .brief-nav .btn--primary,
  .brief-nav [data-action="submit"] {
    flex: 1 1 100%;
  }
}

/* Index CTA clusters */
.process-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-7);
  align-items: center;
}

.process-cta .btn {
  min-height: 48px;
}