@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;600;700&display=swap');

:root {
  --bg: #000000;
  --bg-2: #0b0b0b;
  --ink: #f2f5f7;
  --muted: #9ca3af;
  --accent: #2f80ed;
  --accent-2: #22c55e;
  --panel: #151515;
  --panel-2: #1d1d1d;
  --shadow: 0 22px 50px rgba(0, 0, 0, 0.6);
  --line-blue: #2f80ed;
  --radius: 20px;
  --radius-sm: 12px;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  font-family: 'Space Grotesk', 'Trebuchet MS', sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at top, var(--bg-2), var(--bg));
  min-height: 100vh;
}

.page {
  width: min(980px, 92vw);
  margin: 0 auto;
  padding: 48px 0 64px;
  display: grid;
  gap: 28px;
}

.kicker {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.75rem;
  color: var(--muted);
  margin: 0;
}

.hero {
  display: grid;
  gap: 14px;
}

.hero h1 {
  font-size: clamp(2rem, 3vw, 3rem);
  margin: 0;
  letter-spacing: -0.02em;
}

.subtitle {
  margin: 0;
  color: var(--muted);
  max-width: 60ch;
}

.actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  border: 0;
  border-radius: 999px;
  padding: 12px 20px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  background: #f57c00;
  color: #fff;
  box-shadow: var(--shadow);
}

.btn.secondary {
  background: transparent;
  color: var(--ink);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: none;
}

.btn.danger {
  background: #d63a45;
}

.panel {
  background: var(--panel);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.panel h2 {
  margin-top: 0;
}

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

.chat-item {
  background: var(--panel-2);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.chat-item-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 14px 18px;
  text-decoration: none;
}

.chat-item-name {
  color: var(--ink);
  font-weight: 600;
}

.chat-item-meta {
  color: var(--muted);
  font-size: 0.9rem;
}

.empty {
  color: var(--muted);
}

.back-link {
  text-decoration: none;
  color: #f57c00;
  font-weight: 600;
  font-size: 0.95rem;
}

.chat-header {
  display: grid;
  gap: 16px;
}

.chat-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
}

.chat-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.field {
  display: grid;
  gap: 6px;
  font-size: 0.9rem;
  color: var(--muted);
}

.field-label-strong {
  font-weight: 700;
}

.field input {
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: #0c0c0c;
  color: var(--ink);
  font-family: inherit;
}

.field select,
.field textarea {
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: #0c0c0c;
  color: var(--ink);
  font-family: inherit;
}

.field textarea {
  resize: vertical;
  min-height: 110px;
}

.check-field {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--muted);
}

.check-field input {
  width: 18px;
  height: 18px;
}

.privacy-options {
  display: grid;
  gap: 8px;
}

.helper {
  margin: 0;
  font-size: 0.85rem;
  color: var(--muted);
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--muted);
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-2);
  box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.2);
}

.share {
  display: grid;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--muted);
}

.passcode {
  display: grid;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--muted);
}

.passcode input {
  text-transform: uppercase;
  letter-spacing: 0.2em;
}

.share-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.share-row input {
  flex: 1;
  min-width: 200px;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: #0c0c0c;
  color: var(--ink);
  font-family: inherit;
}

.passcode-gate {
  display: grid;
  place-items: center;
  padding: 24px;
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 16px;
}

.passcode-card {
  width: min(420px, 100%);
  display: grid;
  gap: 12px;
  background: #101010;
  border-radius: var(--radius-sm);
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow);
}

.passcode-card h2 {
  margin: 0;
}

.passcode-card p {
  margin: 0;
  color: var(--muted);
}

.passcode-form {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.passcode-form input {
  flex: 1;
  min-width: 160px;
  padding: 12px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: #0c0c0c;
  color: var(--ink);
  font-family: inherit;
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

.passcode-error {
  color: #f87171;
  font-size: 0.9rem;
}

.message-list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 45vh;
  overflow-y: auto;
  display: grid;
  gap: 12px;
}

.message {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  align-items: start;
  background: var(--panel-2);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  border-left: 4px solid var(--user-color, var(--line-blue));
  box-shadow: inset 0 0 0 1px rgba(var(--user-color-rgb, 47, 128, 237), 0.35);
}

.message .meta {
  font-size: 0.8rem;
  color: var(--user-color, #2f80ed);
  text-align: right;
  white-space: nowrap;
  grid-column: 2;
}

.message .body {
  font-size: 1rem;
  grid-column: 1;
  word-break: break-word;
}

.message-form {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.message-form input {
  flex: 1;
  min-width: 200px;
  padding: 12px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: #0c0c0c;
  color: var(--ink);
  font-family: inherit;
}

.modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.72);
  padding: 24px;
  overflow: auto;
  z-index: 40;
}

.modal-card {
  width: min(520px, 92vw);
  background: #0f0f0f;
  border-radius: var(--radius);
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow);
  display: grid;
  gap: 12px;
  max-height: calc(100dvh - 48px);
  overflow: auto;
  will-change: transform;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.modal-header h2 {
  margin: 0;
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.9rem;
}

.modal-form {
  display: grid;
  gap: 12px;
}

.modal-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  flex-wrap: wrap;
}

.home-cta {
  display: flex;
  justify-content: flex-end;
}

.active-count {
  position: fixed;
  right: 18px;
  bottom: 18px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  z-index: 20;
  pointer-events: none;
}

body.home-page .home-cta.is-floating #new-chat-btn {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 25;
}

body.home-page.cta-floating .active-count {
  bottom: 74px;
}

@media (max-width: 640px) {
  .modal {
    padding: 12px;
  }

  body.home-page .home-cta.is-floating #new-chat-btn {
    right: 12px;
    bottom: 12px;
  }

  body.home-page.cta-floating .active-count {
    right: 12px;
    bottom: 66px;
  }

  .chat-item-link {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .chat-meta {
    align-items: flex-start;
  }
}