/* BuddyAI lead-qualifier — accessible, dependency-free widget styles. */

:root {
  --paper: #f6f1e7;
  --paper-deep: #efe7d8;
  --card: #fffdf8;
  --card-solid: #ffffff;
  --ink: #14211f;
  --ink-soft: #374744;
  --muted: #5f6d69;
  --line: #d9d2c3;
  --line-soft: #e9e2d5;
  --teal: #0f5f57;
  --teal-deep: #0b4a44;
  --teal-bright: #12857a;
  --mint: #c8eee2;
  --mint-soft: #e5f7f1;
  --amber: #b45309;
  --amber-soft: #fdf0d5;
  --danger: #a5312a;
  --danger-soft: #fbe9e7;
  --focus: #0b6bcb;
  --shadow-sm: 0 1px 2px rgba(20, 33, 31, 0.06), 0 6px 18px rgba(20, 33, 31, 0.05);
  --shadow-lg: 0 2px 6px rgba(20, 33, 31, 0.06), 0 24px 60px rgba(20, 33, 31, 0.12);
  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 26px;
  --font-body: "Avenir Next", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --max: 1180px;
}

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

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(1100px 600px at 82% -10%, rgba(200, 238, 226, 0.75), transparent 60%),
    radial-gradient(900px 500px at -10% 10%, rgba(253, 240, 213, 0.8), transparent 55%),
    var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.12;
}

a {
  color: var(--teal-deep);
  text-underline-offset: 3px;
}

a:hover {
  color: var(--teal);
}

button {
  font: inherit;
  color: inherit;
}

svg {
  display: block;
}

[hidden] {
  display: none !important;
}

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

.skip-link {
  position: fixed;
  top: -60px;
  left: 16px;
  z-index: 100;
  padding: 10px 16px;
  border-radius: 8px;
  background: var(--ink);
  color: #fff;
  text-decoration: none;
  transition: top 0.15s ease;
}

.skip-link:focus {
  top: 12px;
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
  border-radius: 6px;
}

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ---------- Header ---------- */

.site-header {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 0 14px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 13px;
  background: var(--teal);
  color: #f7f3e8;
  box-shadow: var(--shadow-sm);
}

.brand-mark svg {
  width: 34px;
  height: 34px;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-text strong {
  font-size: 1.12rem;
  letter-spacing: -0.01em;
}

.brand-text span {
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.lang-switch {
  display: inline-flex;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 253, 248, 0.7);
}

.lang-switch button {
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 6px 10px;
  border-radius: 999px;
  cursor: pointer;
}

.lang-switch button[aria-pressed="true"] {
  background: var(--ink);
  color: #fff;
}

.privacy-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--ink-soft);
  font-size: 0.86rem;
  text-decoration: none;
}

.privacy-link:hover {
  color: var(--teal);
}

/* ---------- Boot ---------- */

.boot {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--muted);
  min-height: 60vh;
}

.spinner {
  width: 22px;
  height: 22px;
  border: 2.5px solid var(--line);
  border-top-color: var(--teal);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ---------- Welcome ---------- */

main {
  flex: 1;
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  padding: 26px 0 40px;
}

.welcome-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(360px, 0.9fr);
  gap: clamp(32px, 6vw, 80px);
  align-items: center;
  min-height: calc(100vh - 220px);
  padding: 12px 0 24px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 13px;
  border: 1px solid rgba(15, 95, 87, 0.25);
  border-radius: 999px;
  background: rgba(200, 238, 226, 0.55);
  color: var(--teal-deep);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal-bright);
}

.hero-copy h1 {
  margin: 22px 0 18px;
  font-size: clamp(2.45rem, 5.2vw, 4.1rem);
  max-width: 15ch;
}

.hero-lead {
  max-width: 54ch;
  color: var(--ink-soft);
  font-size: clamp(1.02rem, 1.5vw, 1.16rem);
}

.hero-purpose {
  max-width: 56ch;
  margin-top: 14px;
  color: var(--muted);
  font-size: 0.95rem;
}

.how-block {
  margin-top: 34px;
  max-width: 560px;
}

.how-block h2 {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.how-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.how-list li {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 14px;
  align-items: start;
}

.how-num {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: rgba(255, 253, 248, 0.8);
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--teal-deep);
}

.how-list strong {
  display: block;
  font-size: 0.98rem;
  font-weight: 700;
}

.how-list p {
  color: var(--muted);
  font-size: 0.88rem;
  margin-top: 1px;
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.trust-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 253, 248, 0.65);
  color: var(--ink-soft);
  font-size: 0.78rem;
}

.trust-chip svg {
  width: 15px;
  height: 15px;
  color: var(--teal);
}

/* ---------- Consent card ---------- */

.consent-card {
  position: relative;
  padding: 26px;
  border: 1px solid rgba(20, 33, 31, 0.09);
  border-radius: var(--radius-lg);
  background: var(--card);
  box-shadow: var(--shadow-lg);
}

.consent-card::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  pointer-events: none;
  background: linear-gradient(135deg, rgba(200, 238, 226, 0.55), transparent 45%);
  mask: linear-gradient(#000, #000) content-box, linear-gradient(#000, #000);
  mask-composite: exclude;
  padding: 1px;
}

.buddy-preview {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line-soft);
}

.avatar {
  flex: none;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--teal);
  color: #f7f3e8;
}

.avatar svg {
  width: 32px;
  height: 32px;
}

.avatar-lg {
  width: 50px;
  height: 50px;
  background: var(--teal-deep);
}

.avatar-lg svg {
  width: 42px;
  height: 42px;
}

.buddy-name {
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 7px;
}

.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #1fa97a;
  box-shadow: 0 0 0 3px rgba(31, 169, 122, 0.15);
}

.buddy-role {
  color: var(--muted);
  font-size: 0.8rem;
}

.preview-meta {
  margin-left: auto;
  padding: 5px 10px;
  border-radius: 999px;
  background: var(--mint-soft);
  color: var(--teal-deep);
  font-size: 0.74rem;
  font-weight: 700;
}

.consent-text {
  margin-top: 18px;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.consent-check {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 11px;
  align-items: start;
  margin-top: 18px;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: #fff;
  cursor: pointer;
  font-size: 0.88rem;
  line-height: 1.45;
}

.consent-check:hover {
  border-color: var(--teal-bright);
}

.consent-check input {
  width: 20px;
  height: 20px;
  margin: 1px 0 0;
  accent-color: var(--teal);
  cursor: pointer;
}

.consent-check input:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

.consent-error {
  margin-top: 10px;
  padding: 8px 12px;
  border-radius: 9px;
  background: var(--danger-soft);
  color: var(--danger);
  font-size: 0.84rem;
}

.consent-actions {
  display: grid;
  gap: 9px;
  margin-top: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 11px 18px;
  border: 1px solid transparent;
  border-radius: 12px;
  cursor: pointer;
  font-weight: 700;
  font-size: 0.93rem;
  transition: transform 0.12s ease, background 0.12s ease, border-color 0.12s ease;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--teal);
  color: #fff;
  box-shadow: 0 8px 18px rgba(15, 95, 87, 0.18);
}

.btn-primary:hover {
  background: var(--teal-deep);
}

.btn-primary:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  box-shadow: none;
}

.btn-quiet {
  background: transparent;
  color: var(--muted);
  border-color: transparent;
  font-weight: 600;
}

.btn-quiet:hover {
  color: var(--ink);
  background: rgba(20, 33, 31, 0.05);
}

.btn-outline {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}

.btn-outline:hover {
  border-color: var(--teal);
  color: var(--teal-deep);
}

.consent-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  font-size: 0.82rem;
}

.link-button {
  border: 0;
  background: none;
  padding: 2px;
  color: var(--teal-deep);
  font-size: inherit;
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
}

.link-button:hover {
  color: var(--teal);
}

.link-button.danger {
  color: var(--danger);
}

.link-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.fineprint {
  margin-top: 14px;
  color: var(--muted);
  font-size: 0.74rem;
  line-height: 1.5;
}

/* ---------- Chat ---------- */

.chat-view {
  max-width: 880px;
  margin: 0 auto;
  padding: 4px 0 20px;
}

.chat-shell {
  display: flex;
  flex-direction: column;
  min-height: min(760px, calc(100vh - 190px));
  border: 1px solid rgba(20, 33, 31, 0.1);
  border-radius: var(--radius-lg);
  background: var(--card);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.chat-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px 22px;
  border-bottom: 1px solid var(--line-soft);
  background: rgba(255, 253, 248, 0.9);
  backdrop-filter: blur(8px);
}

.chat-identity {
  display: flex;
  align-items: center;
  gap: 11px;
  min-width: 0;
}

.chat-name {
  font-weight: 700;
  font-size: 0.98rem;
}

.chat-status {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 0.76rem;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #1fa97a;
}

.status-dot.busy {
  background: var(--amber);
  animation: pulse 1.2s ease-in-out infinite;
}

@keyframes pulse {
  50% {
    opacity: 0.45;
  }
}

.progress-wrap {
  width: min(280px, 46%);
}

.progress-labels {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 600;
}

.progress-track {
  height: 6px;
  border-radius: 999px;
  background: var(--line-soft);
  overflow: hidden;
}

.progress-fill {
  display: block;
  height: 100%;
  width: 4%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--teal-bright), var(--teal));
  transition: width 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.chat-scroll {
  flex: 1;
  overflow-y: auto;
  padding: 26px 26px 10px;
  scroll-behavior: smooth;
}

.messages {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.msg {
  display: flex;
  gap: 10px;
  max-width: 100%;
  animation: rise 0.25s ease both;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
}

.msg-assistant {
  align-items: flex-start;
}

.msg-assistant .avatar {
  width: 30px;
  height: 30px;
  margin-top: 2px;
}

.msg-assistant .avatar svg {
  width: 24px;
  height: 24px;
}

.msg-user {
  justify-content: flex-end;
}

.bubble {
  max-width: min(78%, 600px);
  padding: 13px 16px;
  border-radius: 16px;
  font-size: 0.94rem;
  line-height: 1.55;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.msg-assistant .bubble {
  background: #f4efe4;
  border: 1px solid rgba(20, 33, 31, 0.05);
  border-top-left-radius: 5px;
  color: var(--ink);
}

.msg-user .bubble {
  background: var(--teal);
  color: #fff;
  border-top-right-radius: 5px;
}

.bubble strong {
  font-weight: 700;
}

.bubble .caret {
  display: inline-block;
  width: 6px;
  height: 1em;
  margin-left: 2px;
  vertical-align: -0.12em;
  background: var(--teal-bright);
  animation: blink 1s steps(2) infinite;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

.msg-time {
  display: block;
  margin-top: 5px;
  font-size: 0.66rem;
  color: var(--muted);
}

.typing {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 0 2px 10px;
  color: var(--muted);
  font-size: 0.8rem;
}

.typing-dots {
  display: inline-flex;
  gap: 3px;
}

.typing-dots i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal-bright);
  animation: bounce 1.2s ease-in-out infinite;
}

.typing-dots i:nth-child(2) {
  animation-delay: 0.15s;
}

.typing-dots i:nth-child(3) {
  animation-delay: 0.3s;
}

@keyframes bounce {
  0%,
  60%,
  100% {
    transform: translateY(0);
    opacity: 0.5;
  }
  30% {
    transform: translateY(-4px);
    opacity: 1;
  }
}

/* ---------- Quick replies ---------- */

.quick-replies {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 8px 2px 16px;
}

.quick-replies:empty {
  padding: 0;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--card-solid);
  color: var(--ink-soft);
  font-size: 0.84rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.12s ease, background 0.12s ease, color 0.12s ease;
}

.chip:hover {
  border-color: var(--teal);
  color: var(--teal-deep);
  background: var(--mint-soft);
}

.chip[aria-pressed="true"] {
  border-color: var(--teal);
  background: var(--teal);
  color: #fff;
}

.chip .check {
  width: 15px;
  height: 15px;
}

.chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  width: 100%;
  padding: 12px;
  border: 1px solid var(--line-soft);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.65);
}

.chip-group-label {
  width: 100%;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--muted);
}

.chip-submit {
  margin-left: auto;
}

/* ---------- Summary ---------- */

.summary-card {
  margin: 6px 0 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  animation: rise 0.3s ease both;
}

.summary-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 15px 18px;
  border-bottom: 1px solid var(--line-soft);
  background: linear-gradient(135deg, var(--mint-soft), #fff);
}

.summary-head h3 {
  font-size: 1.12rem;
}

.summary-head span {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--teal-deep);
  background: var(--mint);
  padding: 4px 9px;
  border-radius: 999px;
}

.summary-list {
  margin: 0;
  padding: 4px 18px 12px;
}

.summary-row {
  display: grid;
  grid-template-columns: minmax(120px, 0.32fr) 1fr auto;
  gap: 12px;
  align-items: start;
  padding: 11px 0;
  border-bottom: 1px dashed var(--line-soft);
}

.summary-row:last-child {
  border-bottom: 0;
}

.summary-row .summary-label {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  padding-top: 2px;
}

.summary-row .summary-value {
  margin: 0;
  font-size: 0.9rem;
  overflow-wrap: anywhere;
  white-space: pre-wrap;
}

.summary-row .edit-btn {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--muted);
  border-radius: 8px;
  padding: 4px 9px;
  font-size: 0.72rem;
  font-weight: 600;
  cursor: pointer;
}

.summary-row .edit-btn:hover {
  border-color: var(--teal);
  color: var(--teal-deep);
}

.summary-edit {
  display: grid;
  gap: 8px;
  margin-top: 4px;
  padding: 12px;
  border-radius: 12px;
  background: var(--mint-soft);
}

.summary-edit label {
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--muted);
}

.summary-edit input[type="text"],
.summary-edit input[type="email"],
.summary-edit input[type="tel"],
.summary-edit select {
  width: 100%;
  min-height: 42px;
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: #fff;
  font: inherit;
  font-size: 0.9rem;
}

.summary-edit .check-row {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.summary-edit .check-row label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--ink);
}

.summary-edit .check-row input {
  accent-color: var(--teal);
}

.edit-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

.btn-sm {
  min-height: 36px;
  padding: 7px 12px;
  border-radius: 9px;
  font-size: 0.8rem;
}

.summary-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
  padding: 14px 18px 18px;
  border-top: 1px solid var(--line-soft);
}

.summary-actions .confirm-note {
  margin-right: auto;
  align-self: center;
  color: var(--muted);
  font-size: 0.78rem;
}

.summary-actions .btn-primary {
  min-height: 42px;
}

/* ---------- Upload ---------- */

.upload-card {
  margin: 6px 0 16px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.upload-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 0.95rem;
}

.upload-title .tag {
  margin-left: auto;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--mint-soft);
  color: var(--teal-deep);
  font-size: 0.68rem;
  font-weight: 700;
}

.upload-hint {
  margin-top: 5px;
  color: var(--muted);
  font-size: 0.76rem;
}

.dropzone {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  margin-top: 12px;
  padding: 22px 16px;
  border: 1.5px dashed var(--line);
  border-radius: 13px;
  background: #fbf8f1;
  color: var(--muted);
  text-align: center;
  cursor: pointer;
  font-size: 0.85rem;
  transition: border-color 0.12s ease, background 0.12s ease;
}

.dropzone:hover,
.dropzone.dragover {
  border-color: var(--teal);
  background: var(--mint-soft);
  color: var(--teal-deep);
}

.dropzone svg {
  width: 26px;
  height: 26px;
  color: var(--teal);
}

.upload-row {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}

.upload-row select {
  flex: 1;
  min-height: 38px;
  padding: 6px 9px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  font: inherit;
  font-size: 0.8rem;
}

.file-list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.file-item {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 10px;
  border: 1px solid var(--line-soft);
  border-radius: 9px;
  background: #fdfbf6;
  font-size: 0.8rem;
}

.file-icon {
  width: 28px;
  height: 28px;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 7px;
  background: var(--mint-soft);
  color: var(--teal-deep);
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.03em;
}

.file-name {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-meta {
  margin-left: auto;
  color: var(--muted);
  font-size: 0.7rem;
  white-space: nowrap;
}

.file-ok {
  color: var(--teal-deep);
  font-weight: 700;
}

.file-bad {
  color: var(--danger);
  font-weight: 700;
}

.upload-notice {
  margin-top: 10px;
  padding: 7px 10px;
  border-radius: 8px;
  background: var(--amber-soft);
  color: var(--amber);
  font-size: 0.75rem;
}

/* ---------- Farewell ---------- */

.farewell-card {
  margin: 6px 0 16px;
  padding: 22px;
  border: 1px solid rgba(15, 95, 87, 0.2);
  border-radius: 18px;
  background:
    radial-gradient(500px 200px at 90% -20%, rgba(200, 238, 226, 0.8), transparent 70%),
    #fff;
  box-shadow: var(--shadow-sm);
  animation: rise 0.35s ease both;
}

.farewell-top {
  display: flex;
  align-items: center;
  gap: 12px;
}

.check-badge {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--teal);
  color: #fff;
  font-size: 1.1rem;
  font-weight: 700;
}

.farewell-card h3 {
  font-size: 1.25rem;
}

.farewell-card .sub {
  color: var(--muted);
  font-size: 0.8rem;
}

.reference-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 16px;
  padding: 12px 14px;
  border: 1px dashed var(--teal-bright);
  border-radius: 11px;
  background: var(--mint-soft);
}

.reference-box .label {
  display: block;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.reference-box code {
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 1rem;
  font-weight: 700;
  color: var(--teal-deep);
  overflow-wrap: anywhere;
}

.farewell-text {
  margin-top: 14px;
  font-size: 0.92rem;
  color: var(--ink-soft);
}

/* ---------- Composer ---------- */

.composer-wrap {
  padding: 10px 18px 16px;
  border-top: 1px solid var(--line-soft);
  background: rgba(255, 253, 248, 0.95);
}

.composer {
  display: flex;
  align-items: flex-end;
  gap: 9px;
  padding: 7px 7px 7px 14px;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: #fff;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.composer:focus-within {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(15, 95, 87, 0.12);
}

.composer textarea {
  flex: 1;
  min-height: 24px;
  max-height: 150px;
  padding: 8px 0;
  border: 0;
  outline: none;
  resize: none;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-size: 0.94rem;
  line-height: 1.45;
}

.composer textarea::placeholder {
  color: #8b9693;
}

.send-button {
  flex: none;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 0;
  border-radius: 11px;
  background: var(--teal);
  color: #fff;
  cursor: pointer;
  transition: background 0.12s ease, opacity 0.12s ease;
}

.send-button:hover {
  background: var(--teal-deep);
}

.send-button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.composer-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 7px 3px 0;
  color: var(--muted);
  font-size: 0.68rem;
}

.chat-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 9px;
  padding: 12px 8px 0;
  color: var(--muted);
  font-size: 0.76rem;
}

.chat-footer a {
  color: var(--muted);
}

.chat-footer a:hover {
  color: var(--teal);
}

.footer-sep {
  color: var(--line);
}

/* ---------- Closed / toast ---------- */

.closed-card {
  max-width: 560px;
  margin: 40px auto;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--card);
  box-shadow: var(--shadow-lg);
  text-align: center;
}

.closed-icon {
  width: 54px;
  height: 54px;
  margin: 0 auto 16px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--mint);
  color: var(--teal-deep);
  font-size: 1.5rem;
  font-weight: 700;
}

.closed-card h2 {
  margin-bottom: 10px;
}

.closed-card p {
  color: var(--muted);
  font-size: 0.94rem;
  margin-bottom: 22px;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  z-index: 50;
  max-width: min(420px, calc(100% - 32px));
  transform: translateX(-50%) translateY(10px);
  padding: 12px 18px;
  border-radius: 12px;
  background: var(--ink);
  color: #fff;
  font-size: 0.86rem;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.toast.error {
  background: var(--danger);
}

/* ---------- Footer ---------- */

.site-footer {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  padding: 18px 0 26px;
  border-top: 1px solid rgba(20, 33, 31, 0.08);
  color: var(--muted);
  font-size: 0.78rem;
}

.site-footer .footer-small {
  margin-top: 3px;
  font-size: 0.72rem;
  color: #7b8783;
}

.noscript {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  background: var(--paper);
  color: var(--ink);
  text-align: center;
}

/* ---------- Privacy page ---------- */

.privacy-page {
  max-width: 820px;
  margin: 0 auto;
  padding: 30px 0 60px;
}

.privacy-page h1 {
  margin: 14px 0 18px;
  font-size: clamp(2rem, 4vw, 2.8rem);
}

.privacy-page h2 {
  margin: 26px 0 10px;
  font-size: 1.3rem;
}

.privacy-page h3 {
  margin: 18px 0 6px;
  font-size: 1rem;
  font-family: var(--font-body);
}

.privacy-page p,
.privacy-page li {
  color: var(--ink-soft);
  font-size: 0.94rem;
}

.privacy-page ul {
  padding-left: 20px;
}

.privacy-page details {
  margin-top: 18px;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--card);
}

.privacy-page summary {
  cursor: pointer;
  font-weight: 700;
}

.privacy-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 10px 0 0;
}

.privacy-meta span {
  padding: 4px 9px;
  border-radius: 999px;
  background: var(--mint-soft);
  color: var(--teal-deep);
  font-size: 0.72rem;
  font-weight: 700;
}

/* ---------- Responsive ---------- */

@media (max-width: 920px) {
  .welcome-grid {
    grid-template-columns: 1fr;
    gap: 34px;
    min-height: 0;
    padding-top: 8px;
  }

  .hero-copy h1 {
    max-width: 18ch;
  }

  .consent-card {
    max-width: 620px;
  }

  .chat-view {
    max-width: none;
  }
}

@media (max-width: 640px) {
  .site-header {
    width: calc(100% - 28px);
    padding-top: 16px;
    align-items: flex-start;
  }

  .brand-text span {
    display: none;
  }

  .privacy-link span {
    display: none;
  }

  .privacy-link {
    padding: 8px;
  }

  main {
    width: calc(100% - 24px);
    padding-top: 14px;
  }

  .welcome-grid {
    gap: 26px;
  }

  .hero-copy h1 {
    font-size: 2.3rem;
    margin-top: 16px;
  }

  .consent-card {
    padding: 20px;
    border-radius: 20px;
  }

  .trust-row {
    margin-top: 22px;
  }

  .chat-view {
    padding-bottom: 8px;
  }

  .chat-shell {
    min-height: calc(100vh - 150px);
    border-radius: 20px;
  }

  .chat-top {
    padding: 12px 14px;
    gap: 12px;
    flex-wrap: wrap;
  }

  .progress-wrap {
    width: 100%;
    order: 3;
  }

  .chat-scroll {
    padding: 18px 14px 6px;
  }

  .bubble {
    max-width: 86%;
  }

  .summary-row {
    grid-template-columns: 1fr auto;
  }

  .summary-row .summary-label {
    grid-column: 1 / -1;
  }

  .composer-wrap {
    padding: 8px 12px 12px;
  }

  .composer-meta span:first-child {
    display: none;
  }

  .composer-meta {
    justify-content: flex-end;
  }

  .site-footer {
    width: calc(100% - 28px);
  }

  .summary-actions {
    padding: 12px 14px 16px;
  }

  .summary-actions .confirm-note {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

@media (forced-colors: active) {
  .btn-primary,
  .send-button,
  .avatar,
  .brand-mark,
  .chip[aria-pressed="true"] {
    border: 1px solid ButtonText;
  }

  .progress-fill {
    background: Highlight;
  }
}