:root {
  --bg: #f2f2f7;
  --card: #ffffff;
  --ink: #1c1c1e;
  --ink-soft: #8e8e93;
  --line: rgba(60, 60, 67, 0.12);
  --blue: #007aff;
  --green: #34c759;
  --red: #ff3b30;
  --font: "Manrope", -apple-system, BlinkMacSystemFont, sans-serif;
  --serif: "Instrument Serif", Georgia, serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(900px 500px at 50% -20%, rgba(0, 122, 255, 0.12), transparent 55%),
    linear-gradient(180deg, #e8e8ed 0%, var(--bg) 40%, #ebebf0 100%);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--blue);
  text-decoration: none;
}

.phone-shell {
  width: min(430px, 100%);
  min-height: 100vh;
  margin: 0 auto;
  padding: 18px 18px calc(28px + var(--safe-bottom));
  display: flex;
  flex-direction: column;
}

.auth-top {
  padding: 12px 4px 24px;
}

.brand-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: block;
  flex-shrink: 0;
  box-shadow: 0 8px 18px rgba(0, 122, 255, 0.28);
}

.brand-row strong {
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.auth-top h1 {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2rem, 8vw, 2.4rem);
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.auth-top p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.4;
}

.auth-card {
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.85);
  border-radius: 22px;
  padding: 8px 0;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.7) inset, 0 18px 40px rgba(0, 0, 0, 0.05);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.field {
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
}

.field:last-of-type {
  border-bottom: 0;
}

.field label {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--ink-soft);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.field input,
.field textarea,
.field select {
  width: 100%;
  border: 0;
  outline: 0;
  background: transparent;
  font: inherit;
  font-size: 1.05rem;
  color: var(--ink);
  letter-spacing: -0.01em;
  resize: vertical;
}

.field textarea {
  min-height: 88px;
}

.auth-actions {
  margin-top: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 52px;
  padding: 0 18px;
  border: 0;
  border-radius: 14px;
  font: inherit;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: transform 0.2s var(--ease), opacity 0.2s;
}

.btn:active {
  transform: scale(0.98);
}

.btn-blue {
  background: var(--blue);
  color: #fff;
}

.btn-green {
  background: var(--green);
  color: #fff;
}

.btn-red {
  background: rgba(255, 59, 48, 0.12);
  color: var(--red);
}

.btn-ghost {
  background: rgba(0, 0, 0, 0.04);
  color: var(--ink);
}

.btn-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.muted-link {
  text-align: center;
  font-size: 0.92rem;
  color: var(--ink-soft);
}

.alert {
  margin: 0 0 14px;
  padding: 12px 14px;
  border-radius: 12px;
  font-size: 0.9rem;
  line-height: 1.35;
}

.alert-error {
  background: rgba(255, 59, 48, 0.1);
  color: #c41e16;
}

.alert-ok {
  background: rgba(52, 199, 89, 0.12);
  color: #1f7a36;
}

.alert-warn {
  background: rgba(255, 149, 0, 0.14);
  color: #9a5b00;
}

.segment {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  padding: 4px;
  margin-bottom: 14px;
  border-radius: 12px;
  background: rgba(118, 118, 128, 0.12);
}

.segment button {
  border: 0;
  min-height: 36px;
  border-radius: 9px;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-weight: 650;
  font-size: 0.88rem;
  cursor: pointer;
}

.segment button.is-active {
  background: #fff;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
}

.review-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.review-item {
  background: rgba(255, 255, 255, 0.88);
  border-radius: 18px;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.04);
}

.review-item h3 {
  margin: 0 0 4px;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.review-item p {
  margin: 0 0 6px;
  color: var(--ink-soft);
  font-size: 0.86rem;
}

.review-item .meta {
  font-size: 0.8rem;
  color: var(--ink-soft);
  margin-bottom: 12px;
}

.empty {
  text-align: center;
  color: var(--ink-soft);
  padding: 28px 12px;
  font-size: 0.95rem;
}

.top-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 18px;
}

.top-nav a,
.top-nav button.linkish {
  border: 0;
  background: transparent;
  color: var(--blue);
  font: inherit;
  font-weight: 650;
  font-size: 0.95rem;
  cursor: pointer;
  padding: 0;
}

.badge {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 8px;
  font-size: 0.72rem;
  font-weight: 700;
  background: rgba(255, 149, 0, 0.14);
  color: #9a5b00;
}

.review-item--preview {
  cursor: pointer;
  transition: transform 0.2s var(--ease), background 0.2s;
}

.review-item--preview:active {
  transform: scale(0.99);
}

.review-thumb {
  width: 100%;
  height: 120px;
  border-radius: 14px;
  background-size: cover;
  background-position: center;
  margin-bottom: 12px;
}

.review-copy h3 {
  margin-bottom: 2px;
}

/* ——— Preview fullscreen ——— */
.preview-screen {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  flex-direction: column;
  background: #f2f2f7;
}

.preview-screen[hidden] {
  display: none !important;
}

.preview-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 16px;
  padding-top: calc(12px + env(safe-area-inset-top, 0px));
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}

.preview-back {
  border: 0;
  background: transparent;
  color: var(--blue);
  font: inherit;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  padding: 0;
}

.preview-hint {
  font-size: 0.78rem;
  font-weight: 650;
  color: var(--ink-soft);
}

.preview-scroll {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.preview-hero {
  height: min(42vh, 320px);
  background-size: cover;
  background-position: center;
  background-color: #007aff;
}

.preview-body {
  padding: 22px 20px 24px;
  max-width: 560px;
  margin: 0 auto;
}

.preview-tipo {
  margin: 0 0 6px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--blue);
}

.preview-body h2 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.8rem, 6vw, 2.2rem);
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.preview-ubicacion {
  margin: 8px 0 14px;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.preview-desc {
  margin: 0 0 18px;
  color: var(--ink);
  font-size: 0.98rem;
  line-height: 1.45;
}

.preview-facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  margin-bottom: 16px;
}

.preview-facts > div {
  padding: 14px;
  border-radius: 14px;
  background: #fff;
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.04);
}

.preview-facts span {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--ink-soft);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.preview-facts strong {
  font-size: 1rem;
  letter-spacing: -0.02em;
}

.preview-seller {
  padding: 14px;
  border-radius: 14px;
  background: rgba(0, 122, 255, 0.06);
  margin-bottom: 14px;
}

.preview-seller > span {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--ink-soft);
  margin-bottom: 4px;
}

.preview-seller strong {
  display: block;
  margin-bottom: 2px;
}

.preview-seller p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.preview-note {
  margin: 0;
  font-size: 0.85rem;
  color: var(--ink-soft);
  text-align: center;
}

.preview-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  padding: 12px 16px calc(14px + var(--safe-bottom));
  background: rgba(255, 255, 255, 0.94);
  border-top: 1px solid var(--line);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

@media (min-width: 768px) {
  .phone-shell {
    padding-top: 40px;
  }

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

  .preview-body {
    padding-bottom: 40px;
  }
}