:root {
  --bg: #f6f0e4;
  --card: #f8f1e6;
  --surface: #fffaf2;
  --surface-strong: #fffdf8;
  --border: rgba(121, 94, 49, 0.16);
  --border-strong: rgba(121, 94, 49, 0.28);
  --text: #2a241c;
  --text-dim: #6f6253;
  --text-faint: #978978;
  --iris: #7b68ae;
  --gold: #b8933f;
  --shadow: 0 18px 50px rgba(78, 61, 34, 0.12);
  --font: 'Plus Jakarta Sans', 'Inter', system-ui, sans-serif;
  --font-size-base: 20px;
  --message-font-size: 20px;
  --message-user-font-size: 19px;
  --message-input-size: 19px;
}

* { box-sizing: border-box; }
html, body { height: 100%; overflow: hidden; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}
button, input, textarea { font: inherit; }
button { cursor: pointer; }
.hidden { display: none !important; }

.shell {
  min-height: 100dvh;
  display: flex;
  justify-content: center;
  align-items: stretch;
  padding: 24px;
  position: relative;
}

.login-screen, .app { width: min(960px, 100%); }
.login-screen {
  display: grid;
  place-items: center;
}

.login-card {
  background: var(--card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: 28px;
  box-shadow: var(--shadow);
  padding: 36px;
}

.login-mark {
  width: 72px;
  height: 72px;
  display: grid;
  place-items: center;
  border-radius: 22px;
  background: linear-gradient(135deg, rgba(123, 104, 174, 0.14), rgba(184, 147, 63, 0.14));
  font-size: 2rem;
  margin-bottom: 20px;
}

.eyebrow {
  margin: 0 0 8px;
  font-size: 0.76rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.login-title, .header-title { margin: 0; line-height: 1.05; }
.login-title { font-size: clamp(2rem, 3vw, 2.5rem); }
.header-title { font-size: clamp(1.5rem, 2.6vw, 2rem); }

.login-subtitle {
  margin: 12px 0 28px;
  color: var(--text-dim);
  max-width: 36ch;
  line-height: 1.6;
}

.profile-list {
  display: grid;
  gap: 12px;
  margin-bottom: 22px;
}

.profile-card {
  width: 100%;
  text-align: left;
  background: var(--surface);
  border: 1px solid transparent;
  border-radius: 18px;
  padding: 16px 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  transition: transform 0.15s ease, border-color 0.2s ease, background 0.2s ease;
}
.profile-card:hover, .profile-card.active {
  border-color: var(--border-strong);
  background: var(--surface-strong);
  transform: translateY(-1px);
}
.profile-mark {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  font-size: 1.4rem;
  background: linear-gradient(135deg, rgba(123, 104, 174, 0.12), rgba(184, 147, 63, 0.12));
}
.profile-copy strong { display: block; margin-bottom: 4px; }
.profile-copy span { color: var(--text-dim); font-size: 0.92rem; line-height: 1.45; }

.field-label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.88rem;
  color: var(--text-dim);
}

.login-input,
.message-input,
.drawer-form textarea,
.drawer-form input,
.drawer-item textarea,
.drawer-item input,
.calendar-item textarea,
.calendar-item input[type="text"],
.calendar-item input[type="date"] {
  width: 100%;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.9);
  color: var(--text);
  border-radius: 18px;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.login-input { padding: 16px 18px; margin-bottom: 14px; }

.login-input:focus,
.message-input:focus,
.drawer-form textarea:focus,
.drawer-form input:focus,
.drawer-item textarea:focus,
.calendar-item textarea:focus,
.calendar-item input:focus {
  border-color: rgba(123, 104, 174, 0.45);
  box-shadow: 0 0 0 4px rgba(123, 104, 174, 0.08);
}

.primary-btn, .send-btn {
  border: none;
  border-radius: 18px;
  padding: 14px 18px;
  background: linear-gradient(135deg, #8a75c5, #b8933f);
  color: white;
  font-weight: 600;
}
.primary-btn { width: 100%; }
.send-btn {
  min-width: 88px;
  min-height: 56px;
  align-self: stretch;
  font-size: 1.08rem;
}
.login-error { margin-top: 12px; color: #b53939; min-height: 1.2em; }

.app {
  position: relative;
  height: calc(100dvh - 48px);
  max-height: calc(100dvh - 48px);
  display: flex;
  flex-direction: column;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 30px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.header {
  display: block;
  padding: 24px 24px 18px 132px;
  border-bottom: 1px solid rgba(121, 94, 49, 0.1);
  background: var(--card);
}
.header-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}
.header-status {
  margin: 8px 0 0;
  color: var(--text-dim);
  line-height: 1.45;
  font-size: 1.04rem;
}
.header-actions {
  position: absolute;
  left: 18px;
  top: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 112px;
  align-items: stretch;
  z-index: 5;
}
.menu-btn {
  display: none;
  border: 1px solid rgba(121, 94, 49, 0.16);
  background: rgba(255,255,255,0.94);
  color: var(--text);
  border-radius: 999px;
  min-height: 46px;
  padding: 0 16px;
  font-weight: 600;
  white-space: nowrap;
}

.ghost-btn, .icon-btn, .text-size-menu button, .load-earlier-btn {
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.92);
  color: var(--text-dim);
  border-radius: 999px;
  padding: 10px 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.action-chip {
  min-height: 48px;
  font-weight: 600;
  color: var(--text);
}

.action-chip-primary {
  background: linear-gradient(180deg, rgba(123, 104, 174, 0.14), rgba(123, 104, 174, 0.08));
  border-color: rgba(123, 104, 174, 0.22);
}

.action-chip-secondary {
  background: rgba(255,255,255,0.96);
  border-color: rgba(121, 94, 49, 0.18);
}

.action-chip-quiet {
  background: rgba(255,255,255,0.82);
  color: var(--text-dim);
  border-color: rgba(121, 94, 49, 0.14);
  font-weight: 500;
}

.utility-btn {
  min-height: 48px;
  font-weight: 600;
  color: var(--text);
  background: rgba(255,255,255,0.95);
}
.header-actions .ghost-btn,
.header-actions .icon-btn,
.header-actions .text-size-wrap > .ghost-btn {
  width: 100%;
  justify-content: center;
}
.icon-btn.close-btn { border-radius: 14px; padding-inline: 12px; }

.text-size-wrap { position: relative; }
.model-wrap { position: relative; }
.ghost-select {
  width: 100%;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.9);
  color: var(--text-dim);
  border-radius: 999px;
  padding: 10px 14px;
  font: inherit;
  text-align: center;
  appearance: none;
}
.text-size-menu {
  position: absolute;
  left: calc(100% + 8px);
  top: 0;
  display: grid;
  gap: 6px;
  width: 140px;
  padding: 8px;
  background: rgba(255,255,255,0.96);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: 0 16px 40px rgba(63, 46, 22, 0.16);
  z-index: 20;
}
.text-size-menu button { border-radius: 12px; text-align: left; }

.messages {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 16px 24px 8px 132px;
  scroll-behavior: smooth;
  background: var(--card);
}
.messages-topbar {
  display: flex;
  justify-content: center;
  margin-bottom: 14px;
}
.load-earlier-btn {
  font-size: 0.9rem;
  background: rgba(255,255,255,0.92);
}

.message { margin-bottom: 24px; }
.message.greeting .message-bubble {
  background: linear-gradient(180deg, rgba(123, 104, 174, 0.1), rgba(184, 147, 63, 0.08));
  border: 1px solid rgba(123, 104, 174, 0.12);
}
.message-meta { margin-bottom: 8px; font-size: 0.82rem; color: var(--text-faint); }
.message.assistant .message-bubble {
  background: linear-gradient(180deg, rgba(123, 104, 174, 0.14), rgba(123, 104, 174, 0.09));
  border: 1px solid rgba(123, 104, 174, 0.14);
  margin-right: auto;
}
.message.user .message-bubble {
  background: linear-gradient(180deg, rgba(184, 147, 63, 0.14), rgba(184, 147, 63, 0.09));
  border: 1px solid rgba(184, 147, 63, 0.16);
  margin-left: auto;
}
.message-bubble {
  max-width: min(82%, 640px);
  padding: 18px 20px;
  border-radius: 24px;
  line-height: 1.75;
  font-size: var(--message-font-size);
  white-space: pre-wrap;
}
.message.user .message-bubble { font-size: var(--message-user-font-size); }
.message-image {
  display: block;
  width: min(100%, 360px);
  border-radius: 18px;
  margin-top: 12px;
  border: 1px solid rgba(121, 94, 49, 0.12);
}
.message-time { margin-top: 8px; font-size: 0.75rem; color: var(--text-faint); }
.message.user .message-time { text-align: right; }
.tts-btn { margin-left: 8px; border: none; background: transparent; color: inherit; opacity: 0.65; }

.thinking {
  display: grid;
  place-items: center;
  gap: 8px;
  padding: 4px 24px 20px 132px;
}
.thinking-flower { font-size: 1.6rem; animation: breathe 2s ease-in-out infinite; }
.thinking-text { color: var(--text-dim); font-style: italic; }
@keyframes breathe {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.12); opacity: 1; }
}

.composer {
  padding: 0 24px 24px 132px;
  background: var(--card);
}
.composer-top-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 10px;
}
.photo-preview {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
  padding: 12px;
  background: var(--surface);
  border: 1px solid rgba(184, 147, 63, 0.18);
  border-radius: 20px;
}
.photo-preview img {
  width: 72px;
  height: 72px;
  object-fit: cover;
  border-radius: 16px;
  border: 1px solid rgba(121, 94, 49, 0.12);
}
.photo-preview-copy { display: grid; gap: 4px; min-width: 0; }
.photo-preview-copy strong,
.photo-preview-copy span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.photo-preview-copy span { color: var(--text-dim); font-size: 0.88rem; }

.composer-main-row {
  display: flex;
  gap: 12px;
  align-items: stretch;
  padding: 14px;
  border: 1px solid rgba(184, 147, 63, 0.25);
  background: var(--surface);
  border-radius: 24px;
}
.message-input {
  border: none;
  background: transparent;
  min-height: 64px;
  resize: none;
  padding: 6px 2px;
  font-size: var(--message-input-size);
  box-shadow: none !important;
}
.message-input::placeholder { color: var(--text-faint); }

.drawer {
  position: fixed;
  top: 88px;
  right: 20px;
  bottom: 20px;
  width: min(430px, calc(100vw - 40px));
  background: var(--surface-strong);
  border: 1px solid var(--border);
  border-radius: 28px;
  box-shadow: 0 22px 60px rgba(64, 47, 23, 0.18);
  padding: 22px;
  z-index: 30;
  overflow-y: auto;
}
.drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 12px;
}
.drawer-header h2 { margin: 0; font-size: 1.4rem; }
.drawer-note {
  margin: 0 0 18px;
  color: var(--text-dim);
  line-height: 1.55;
}
.memory-list, .calendar-list { display: grid; gap: 12px; margin-bottom: 18px; }
.drawer-empty {
  color: var(--text-dim);
  padding: 18px;
  border-radius: 18px;
  background: rgba(123, 104, 174, 0.06);
}
.drawer-item, .calendar-item {
  padding: 14px;
  border-radius: 18px;
  background: rgba(123, 104, 174, 0.06);
  border: 1px solid rgba(123, 104, 174, 0.08);
}
.drawer-item textarea,
.calendar-item textarea,
.drawer-form textarea,
.drawer-form input,
.calendar-item input[type="text"],
.calendar-item input[type="date"] {
  padding: 12px 14px;
  margin-bottom: 10px;
  resize: vertical;
}
.drawer-form { display: grid; gap: 10px; }
.drawer-inline-actions { display: flex; gap: 8px; }
.drawer-inline-actions button { flex: 1; }
.calendar-done-row {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 10px;
  color: var(--text-dim);
  font-size: 0.9rem;
}
.calendar-item.done { opacity: 0.7; }
.calendar-item.done .calendar-title-field { text-decoration: line-through; }

.backdrop {
  position: fixed;
  inset: 0;
  background: rgba(42, 33, 21, 0.22);
  z-index: 25;
}

@media (max-width: 760px) {
  html, body { overflow: auto; }
  .shell { padding: 6px; }
  .login-card { padding: 22px; border-radius: 22px; }
  .app {
    height: calc(100dvh - 12px);
    max-height: calc(100dvh - 12px);
    border-radius: 20px;
  }
  .header {
    position: relative;
    padding: 12px 12px 8px;
  }
  .header-top {
    align-items: center;
    gap: 10px;
  }
  .header-title {
    font-size: clamp(1.45rem, 5.6vw, 1.8rem);
  }
  .header-status {
    font-size: 0.95rem;
    max-width: 18ch;
    margin-top: 2px;
  }
  .eyebrow {
    font-size: 0.68rem;
    letter-spacing: 0.12em;
    margin-bottom: 2px;
  }
  .menu-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    min-height: 40px;
    padding: 0 14px;
    font-size: 0.95rem;
  }
  .header-actions {
    position: absolute;
    top: calc(100% - 2px);
    right: 12px;
    left: auto;
    width: min(240px, calc(100vw - 36px));
    display: none;
    grid-template-columns: 1fr;
    gap: 8px;
    align-items: stretch;
    padding: 10px;
    border: 1px solid rgba(121, 94, 49, 0.12);
    border-radius: 18px;
    background: rgba(255, 250, 242, 0.98);
    box-shadow: 0 18px 40px rgba(64, 47, 23, 0.14);
    z-index: 25;
  }
  .app.mobile-menu-open .header-actions {
    display: grid;
  }
  .header-actions .ghost-btn,
  .header-actions .icon-btn,
  .header-actions .text-size-wrap > .ghost-btn,
  .header-actions .model-wrap > * {
    width: 100%;
  }
  .action-chip,
  .utility-btn {
    min-height: 48px;
    border-radius: 16px;
    font-size: 0.98rem;
    padding: 11px 12px;
  }
  .action-chip-primary {
    min-height: 50px;
    font-size: 1rem;
  }
  .action-chip-quiet {
    min-height: 44px;
    font-size: 0.94rem;
  }
  .text-size-wrap,
  .model-wrap {
    min-width: 0;
  }
  .text-size-menu {
    left: auto;
    right: 0;
    top: calc(100% + 8px);
  }
  .messages {
    padding: 6px 12px 4px;
  }
  .thinking { padding: 2px 12px 8px; }
  .message { margin-bottom: 16px; }
  .message-meta { margin-bottom: 6px; }
  .message-bubble {
    max-width: 100%;
    padding: 18px 16px;
    border-radius: 20px;
    line-height: 1.65;
  }
  .composer { padding: 0 12px 10px; }
  .composer-top-row {
    margin-bottom: 6px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .utility-btn {
    min-height: 42px;
    font-size: 0.95rem;
  }
  .composer-main-row {
    flex-direction: column;
    gap: 10px;
    padding: 12px;
    border-radius: 18px;
  }
  .message-input {
    min-height: 56px;
    font-size: max(var(--message-input-size), 19px);
  }
  .send-btn {
    width: 100%;
    min-height: 50px;
  }
  .drawer {
    top: 68px;
    right: 10px;
    left: 10px;
    bottom: 10px;
    width: auto;
    max-height: none;
  }

  .app.simple-mobile-mode .menu-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 38px;
    padding: 0 12px;
    font-size: 0.92rem;
  }

  .app.simple-mobile-mode .header-actions {
    display: none;
    right: 12px;
    left: auto;
    width: min(220px, calc(100vw - 32px));
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 10px;
  }

  .app.simple-mobile-mode.mobile-menu-open .header-actions {
    display: grid;
  }

  .app.simple-mobile-mode .model-wrap {
    display: none !important;
  }

  .app.simple-mobile-mode .header {
    padding: 10px 12px 6px;
  }

  .app.simple-mobile-mode .header-top {
    align-items: center;
  }

  .app.simple-mobile-mode .eyebrow {
    display: none;
  }

  .app.simple-mobile-mode .header-title {
    font-size: clamp(1.6rem, 6.4vw, 1.95rem);
    line-height: 1.05;
  }

  .app.simple-mobile-mode .action-chip,
  .app.simple-mobile-mode .action-chip-primary,
  .app.simple-mobile-mode .action-chip-quiet {
    min-height: 46px;
    font-size: 0.98rem;
  }

  .app.simple-mobile-mode .header-status {
    font-size: 1rem;
    margin-top: 4px;
    max-width: none;
  }

  .app.simple-mobile-mode .messages {
    padding-top: 4px;
  }

  .app.simple-mobile-mode .header-actions .ghost-btn {
    justify-content: flex-start;
    padding-left: 14px;
  }

  .app.simple-mobile-mode .message {
    margin-bottom: 14px;
  }

  .app.simple-mobile-mode .message-meta {
    margin-bottom: 4px;
    font-size: 0.78rem;
  }

  .app.simple-mobile-mode .message-bubble {
    padding: 18px 16px;
    font-size: 22px;
    line-height: 1.6;
  }

  .app.simple-mobile-mode .message.user .message-bubble {
    font-size: 21px;
  }

  .app.simple-mobile-mode .message-time {
    font-size: 0.82rem;
  }

  .app.simple-mobile-mode .thinking {
    padding-bottom: 8px;
  }

  .app.simple-mobile-mode .composer {
    padding-top: 4px;
  }

  .app.simple-mobile-mode .composer-top-row {
    margin-bottom: 6px;
  }

  .app.simple-mobile-mode .utility-btn {
    min-height: 40px;
    font-size: 0.92rem;
  }

  .app.simple-mobile-mode .composer-main-row {
    gap: 8px;
    padding: 10px;
    border-radius: 18px;
  }

  .app.simple-mobile-mode .message-input {
    min-height: 52px;
    font-size: 20px;
  }

  .app.simple-mobile-mode .send-btn {
    min-height: 48px;
    font-size: 1.02rem;
  }
}