:root {
  --app-bg: #F4F7FB;
  --primary: #1976D2;
  --primary-700: #145EA8;
  --health: #2EAF61;
  --text: #1F2937;
  --muted: #64748B;
  --surface: #FFFFFF;
  --alert: #FFF7ED;
  --error: #DC2626;
  --line: #D8E2EF;
  --shadow: 0 12px 30px rgba(31, 41, 55, 0.10);
  --soft-shadow: 0 4px 14px rgba(31, 41, 55, 0.10);
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  background: var(--app-bg);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
}

button,
input {
  font: inherit;
}

.saludbot {
  width: min(100%, 920px);
  min-height: 100dvh;
  margin: 0 auto;
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  background: linear-gradient(180deg, #FFFFFF 0%, var(--app-bg) 34%);
  box-shadow: 0 0 0 1px rgba(216, 226, 239, 0.76);
}

.saludbot__header {
  position: sticky;
  top: 0;
  z-index: 5;
  min-height: 104px;
  padding: 18px clamp(16px, 4vw, 28px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand__mark {
  flex: 0 0 auto;
  width: 54px;
  height: 54px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  color: #FFFFFF;
  background: var(--primary);
  box-shadow: 0 8px 18px rgba(25, 118, 210, 0.25);
}

.brand__mark svg {
  width: 29px;
  height: 29px;
  fill: currentColor;
}

.brand__copy {
  min-width: 0;
}

.eyebrow,
.brand__copy p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.35;
}

.eyebrow {
  margin-bottom: 2px;
  font-weight: 700;
  color: var(--primary-700);
}

.brand__copy h1 {
  margin: 0;
  color: var(--text);
  font-size: clamp(1.55rem, 4vw, 2rem);
  line-height: 1.05;
  letter-spacing: 0;
}

.online {
  flex: 0 0 auto;
  min-height: 36px;
  padding: 0 12px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #166534;
  background: #EAF8EF;
  font-weight: 700;
  font-size: 0.95rem;
}

.online span {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--health);
  box-shadow: 0 0 0 4px rgba(46, 175, 97, 0.16);
}

.notice {
  margin: 16px clamp(14px, 4vw, 28px) 0;
  padding: 13px 15px;
  border: 1px solid #FED7AA;
  border-radius: 8px;
  background: var(--alert);
  color: #7C2D12;
  line-height: 1.45;
}

.notice strong {
  color: #431407;
}

.chat {
  padding: 18px clamp(14px, 4vw, 28px) 112px;
  overflow-y: auto;
  scroll-padding-bottom: 112px;
}

.message {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) 42px;
  gap: 10px;
  align-items: end;
  margin: 16px 0;
}

.message--user .bubble {
  justify-self: end;
  color: #FFFFFF;
  background: var(--primary);
  border-bottom-right-radius: 6px;
}

.message--bot .bubble {
  border-bottom-left-radius: 6px;
}

.avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: #E8F1FC;
  color: var(--primary);
  box-shadow: var(--soft-shadow);
}

.avatar svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

.avatar--user {
  background: #EEF2F7;
  color: var(--text);
}

.bubble {
  width: fit-content;
  max-width: min(100%, 620px);
  padding: 14px 16px;
  border-radius: 18px;
  background: var(--surface);
  box-shadow: var(--soft-shadow);
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.bubble strong {
  font-weight: 800;
}

.quick-actions,
.summary-actions,
.attachment-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.quick-actions--list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}

.quick-action,
.summary-action {
  min-height: 44px;
  border: 1px solid #B7CDE7;
  border-radius: 8px;
  padding: 0 14px;
  background: #FFFFFF;
  color: var(--primary-700);
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(31, 41, 55, 0.06);
}

.quick-action--wide {
  width: 100%;
  min-height: 50px;
  text-align: left;
  white-space: normal;
  line-height: 1.25;
}

.quick-action:hover,
.quick-action:focus,
.summary-action:hover,
.summary-action:focus {
  border-color: var(--primary);
  outline: 3px solid rgba(25, 118, 210, 0.16);
}

.quick-action:disabled,
.summary-action:disabled {
  cursor: not-allowed;
  opacity: 0.58;
}

.summary {
  display: grid;
  gap: 8px;
  margin-top: 8px;
}

.summary__item {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr);
  gap: 10px;
}

.summary__item span {
  color: var(--muted);
}

.field-hint {
  width: 100%;
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.urgency-card {
  display: grid;
  gap: 12px;
  width: min(100%, 620px);
  padding: 16px;
  border: 1px solid #F97316;
  border-left: 6px solid var(--error);
  border-radius: 8px;
  background: #FFF7ED;
  color: #7C2D12;
}

.urgency-card strong {
  color: #9A3412;
}

.urgency-card ul {
  margin: 0;
  padding-left: 20px;
}

.urgency-card li {
  margin: 5px 0;
}

.urgency-card p {
  margin: 0;
  font-weight: 700;
}

.urgency-actions {
  margin-top: 2px;
}

.urgency-action--continue {
  border-color: #15803D;
  background: #DCFCE7;
  color: #166534;
}

.urgency-action--stop {
  border-color: #B91C1C;
  background: #DC2626;
  color: #FFFFFF;
}

.urgency-action--continue:hover,
.urgency-action--continue:focus {
  border-color: #166534;
  outline-color: rgba(22, 101, 52, 0.22);
}

.urgency-action--stop:hover,
.urgency-action--stop:focus {
  border-color: #7F1D1D;
  background: #B91C1C;
  outline-color: rgba(185, 28, 28, 0.22);
}

.terms-box {
  margin-top: 14px;
  display: grid;
  gap: 12px;
}

.terms-check {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  color: var(--text);
  line-height: 1.45;
}

.terms-check input {
  width: 20px;
  height: 20px;
  margin: 2px 0 0;
  accent-color: var(--primary);
}

.terms-check a,
.terms-link {
  color: var(--primary);
  font-weight: 700;
  text-decoration: none;
}

.terms-check a:hover,
.terms-link:hover {
  text-decoration: underline;
}

.legal-page {
  width: min(100% - 28px, 920px);
  margin: 0 auto;
  padding: 32px 0 48px;
}

.legal-card {
  padding: clamp(22px, 5vw, 44px);
  border-radius: 8px;
  background: #FFFFFF;
  box-shadow: var(--shadow);
}

.legal-card h1,
.legal-card h2 {
  color: var(--primary-700);
  letter-spacing: 0;
}

.legal-card h1 {
  margin: 0 0 22px;
  font-size: clamp(1.45rem, 4vw, 2rem);
  text-align: center;
}

.legal-card h2 {
  margin: 28px 0 10px;
  font-size: 1.15rem;
}

.legal-card p,
.legal-card li {
  color: #39556B;
  line-height: 1.7;
}

.legal-actions {
  margin-top: 28px;
  display: flex;
  justify-content: center;
}

.typing {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 0.95rem;
}

.typing::after {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--primary);
  animation: pulse 1s infinite ease-in-out;
}

.error {
  color: var(--error);
  font-weight: 700;
}

.composer {
  position: sticky;
  bottom: 0;
  z-index: 5;
  display: grid;
  grid-template-columns: 1fr 54px;
  gap: 10px;
  padding: 14px clamp(14px, 4vw, 28px);
  background: rgba(255, 255, 255, 0.96);
  border-top: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

.composer input {
  width: 100%;
  min-height: 54px;
  border: 1px solid #B7CDE7;
  border-radius: 8px;
  padding: 0 16px;
  color: var(--text);
  background: #FFFFFF;
  outline: none;
}

.composer input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(25, 118, 210, 0.14);
}

.composer input:disabled {
  color: #94A3B8;
  background: #EEF2F7;
}

.composer button {
  width: 54px;
  height: 54px;
  border: 0;
  border-radius: 8px;
  display: grid;
  place-items: center;
  color: #FFFFFF;
  background: var(--primary);
  cursor: pointer;
  box-shadow: 0 6px 15px rgba(25, 118, 210, 0.24);
}

.composer button:hover,
.composer button:focus {
  background: var(--primary-700);
  outline: 3px solid rgba(25, 118, 210, 0.18);
}

.composer button:disabled {
  cursor: not-allowed;
  background: #93C5FD;
  box-shadow: none;
}

.composer svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

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

@keyframes pulse {
  0%,
  100% {
    transform: scale(0.8);
    opacity: 0.45;
  }
  50% {
    transform: scale(1.15);
    opacity: 1;
  }
}

@media (max-width: 640px) {
  .saludbot {
    width: 100%;
  }

  .saludbot__header {
    min-height: 96px;
    align-items: flex-start;
  }

  .brand__mark {
    width: 48px;
    height: 48px;
  }

  .online {
    padding: 0 10px;
    font-size: 0.88rem;
  }

  .notice {
    margin-top: 12px;
  }

  .message {
    grid-template-columns: 34px minmax(0, 1fr) 34px;
    gap: 8px;
  }

  .avatar {
    width: 34px;
    height: 34px;
  }

  .bubble {
    max-width: 82vw;
    padding: 13px 14px;
  }

  .summary__item {
    grid-template-columns: 1fr;
    gap: 2px;
  }
}