@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
  --bg-0: #08090d;
  --bg-1: #0f1219;
  --bg-2: #151a24;
  --panel: rgba(12, 14, 20, 0.85);
  --ink: #e8e8e6;
  --muted: #9b9ba2;
  --accent: #10a37f;
  --accent-dim: rgba(16, 163, 127, 0.25);
  --border: rgba(232, 232, 230, 0.12);
  --shadow: rgba(0, 0, 0, 0.45);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: "Space Grotesk", "Helvetica", sans-serif;
  background: radial-gradient(circle at 20% 20%, #1d2333 0%, var(--bg-2) 45%, var(--bg-0) 100%);
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: linear-gradient(120deg, rgba(255, 255, 255, 0.03), transparent 45%),
    radial-gradient(circle at 80% 10%, rgba(16, 163, 127, 0.12), transparent 45%);
  pointer-events: none;
  z-index: 0;
}

.app {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 24px 18px;
  border-bottom: 1px solid var(--border);
  background: rgba(10, 12, 18, 0.75);
  backdrop-filter: blur(8px);
}

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

.brand__title {
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 600;
}

.brand__status {
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
}

.menu-toggle {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--ink);
  width: 44px;
  height: 40px;
  border-radius: 10px;
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: border 0.2s ease, background 0.2s ease;
}

.menu-toggle:hover {
  border-color: rgba(16, 163, 127, 0.5);
  background: rgba(16, 163, 127, 0.12);
}

.menu-toggle__icon {
  width: 18px;
  height: 12px;
  position: relative;
  display: block;
}

.menu-toggle__icon::before,
.menu-toggle__icon::after,
.menu-toggle__icon span {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--ink);
  border-radius: 999px;
}

.menu-toggle__icon::before {
  top: 0;
}

.menu-toggle__icon::after {
  bottom: 0;
}

.menu-toggle__icon span {
  top: 5px;
}

.menu-panel {
  position: absolute;
  top: calc(100% - 2px);
  right: 18px;
  width: min(260px, 90vw);
  background: rgba(10, 12, 18, 0.96);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 16px 40px var(--shadow);
  padding: 12px;
  display: none;
  flex-direction: column;
  gap: 12px;
  z-index: 10;
}

.menu-panel.is-open {
  display: flex;
}

.menu-panel__button {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--ink);
  padding: 10px 12px;
  border-radius: 10px;
  text-align: left;
  font-weight: 500;
  cursor: pointer;
}

.menu-panel__section {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 12px;
}

.menu-panel__title {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 10px;
}

.menu-panel__label {
  font-size: 11px;
  color: var(--muted);
}

.menu-panel__select {
  width: 100%;
  border-radius: 10px;
  border: 1px solid rgba(232, 232, 230, 0.2);
  background: rgba(255, 255, 255, 0.04);
  color: var(--ink);
  padding: 8px 10px;
  font-family: "Space Grotesk", "Helvetica", sans-serif;
  font-size: 12px;
}

.menu-panel__preview {
  border: 1px solid rgba(232, 232, 230, 0.2);
  background: rgba(255, 255, 255, 0.05);
  color: var(--ink);
  padding: 8px 10px;
  border-radius: 10px;
  font-size: 12px;
  cursor: pointer;
  text-align: left;
}

.menu-panel__preview:hover {
  border-color: rgba(16, 163, 127, 0.4);
  background: rgba(16, 163, 127, 0.12);
}

.menu-panel__preview:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.menu-panel__section.is-hidden {
  display: none;
}

.menu-panel__ghost {
  padding: 10px;
  border-radius: 10px;
  border: 1px dashed rgba(232, 232, 230, 0.16);
}

.menu-panel__links {
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-top: 1px solid var(--border);
  padding-top: 10px;
}

.menu-panel__link {
  color: var(--muted);
  text-decoration: none;
  font-size: 12px;
}

.menu-panel__link:hover {
  color: var(--ink);
}

.legal-page {
  min-height: 100vh;
  padding: 32px 20px 40px;
  max-width: 820px;
  margin: 0 auto;
}

.legal-page__header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 12px;
}

.legal-page__title {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 600;
}

.legal-page__back {
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
}

.legal-page__content {
  display: grid;
  gap: 18px;
  line-height: 1.6;
  color: var(--ink);
}

.legal-page__content h2 {
  margin: 8px 0 0;
  font-size: 18px;
}

.legal-page__content p,
.legal-page__content li {
  margin: 0;
  color: var(--muted);
}

.legal-page__content ul {
  margin: 0;
  padding-left: 18px;
}

.chat {
  display: flex;
  flex-direction: column;
  gap: 20px;
  flex: 1;
  padding: 24px;
}

.messages {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-height: 120px;
  width: 100%;
}

.messages:empty {
  min-height: 0;
}

.message {
  padding: 14px 16px;
  border-radius: 14px;
  line-height: 1.55;
  font-size: 14px;
  white-space: pre-wrap;
  max-width: min(680px, 100%);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.message__text {
  white-space: pre-wrap;
}

.message__actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 10px;
}

.message__speak {
  border: 1px solid rgba(232, 232, 230, 0.2);
  background: rgba(255, 255, 255, 0.05);
  color: var(--ink);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 12px;
  cursor: pointer;
}

.message__speak.is-speaking {
  border-color: rgba(16, 163, 127, 0.6);
  background: rgba(16, 163, 127, 0.2);
}

.message--user {
  align-self: flex-end;
  background: rgba(16, 163, 127, 0.12);
  border: 1px solid rgba(16, 163, 127, 0.35);
}

.message--sad {
  align-self: flex-start;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(232, 232, 230, 0.1);
  color: #d7d7dd;
  font-family: "IBM Plex Mono", "Menlo", monospace;
}

.composer {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: rgba(9, 12, 18, 0.7);
}

.composer__label {
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.composer__input {
  width: 100%;
  resize: vertical;
  border-radius: 12px;
  border: 1px solid rgba(232, 232, 230, 0.16);
  padding: 12px 14px;
  background: rgba(0, 0, 0, 0.25);
  color: var(--ink);
  font-family: "IBM Plex Mono", "Menlo", monospace;
  font-size: 16px;
  min-height: 92px;
}

.composer__input:focus {
  outline: none;
  border-color: rgba(16, 163, 127, 0.6);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

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

.composer__mic {
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(232, 232, 230, 0.2);
  background: rgba(255, 255, 255, 0.05);
  color: var(--ink);
  font-family: "Space Grotesk", "Helvetica", sans-serif;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: border 0.2s ease, background 0.2s ease;
}

.composer__mic:hover {
  border-color: rgba(16, 163, 127, 0.4);
  background: rgba(16, 163, 127, 0.12);
}

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

.composer__mic.is-hidden {
  display: none;
}

.composer__mic.is-listening {
  border-color: rgba(16, 163, 127, 0.6);
  background: rgba(16, 163, 127, 0.18);
}

.composer__button {
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid rgba(16, 163, 127, 0.55);
  background: rgba(16, 163, 127, 0.12);
  color: var(--ink);
  font-family: "Space Grotesk", "Helvetica", sans-serif;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease;
}

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

.composer__button:not(:disabled):hover {
  background: rgba(16, 163, 127, 0.22);
  transform: translateY(-1px);
}

.composer__hint {
  color: var(--muted);
  font-size: 12px;
}

.lock-overlay {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(240, 242, 247, 0.14);
  backdrop-filter: blur(5px);
  z-index: 30;
  padding: 24px;
}

.lock-overlay.is-visible {
  display: flex;
}

.lock-overlay__card {
  background: rgba(10, 12, 18, 0.92);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 28px 26px;
  max-width: 520px;
  width: 100%;
  box-shadow: 0 20px 50px var(--shadow);
  text-align: center;
}

.lock-overlay__title {
  margin: 0 0 12px;
  font-size: clamp(22px, 4vw, 30px);
  font-weight: 600;
}

.lock-overlay__text {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 15px;
}

.lock-overlay__countdown {
  margin: 0;
  font-size: 18px;
  letter-spacing: 0.04em;
}

@media (max-width: 640px) {
  .topbar {
    padding: 16px 16px 14px;
  }

  .chat {
    padding: 18px 16px 22px;
  }

  .brand__status {
    font-size: 12px;
  }

  .menu-panel {
    right: 12px;
  }

  .message {
    max-width: 100%;
  }
}