:root {
  --bg: #f4f5f6;
  --ink: #1f2428;
  --panel: #ffffff;
  --accent: #0f766e;
  --muted: #66727c;
  --border: #d7dde3;
  --shadow: 0 10px 24px rgba(28, 33, 38, 0.12);
}

body[data-theme="dark"] {
  --bg: #12161a;
  --ink: #e9eff5;
  --panel: #1a2128;
  --accent: #2dd4bf;
  --muted: #9aaab8;
  --border: #2c3741;
  --shadow: 0 14px 30px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Avenir Next", "Segoe UI", sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at top left, color-mix(in srgb, var(--panel) 90%, #9ed8cf 10%), var(--bg));
  height: 100vh;
  overflow: hidden;
  position: relative;
  display: grid;
  grid-template-rows: auto 1fr;
}

.hidden {
  display: none !important;
}

.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px;
  border-bottom: 1px solid var(--border);
}

.app-header h1 {
  margin: 0;
  font-size: 18px;
  letter-spacing: 0.2px;
  flex-shrink: 0;
}

.brand img {
  height: 38px;
  width: auto;
  display: block;
}

.controls {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
}

select,
input,
textarea,
button {
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--panel);
  color: var(--ink);
  padding: 8px;
}

.icon-btn {
  padding: 7px 9px;
  font-size: 12px;
}

.menu-btn {
  width: 30px;
  height: 30px;
  padding: 0;
  font-size: 16px;
  line-height: 1;
}

.avatar-btn {
  width: 26px;
  height: 26px;
  border-radius: 999px;
  overflow: hidden;
  padding: 0;
  background: transparent;
}

.avatar-btn img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.signed-out-view {
  min-height: calc(100vh - 52px);
  display: grid;
  place-items: center;
  padding: 16px;
}

.signin-block {
  display: grid;
  gap: 10px;
  max-width: 290px;
  text-align: center;
}

.signin-title {
  margin: 0 0 4px 0;
  font-size: 22px;
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--ink);
}

.signin-title em {
  font-style: italic;
  font-weight: 700;
  color: color-mix(in srgb, var(--accent) 75%, var(--ink) 25%);
}

.signin-btn {
  padding: 11px 18px;
  border-radius: 999px;
  background: var(--accent);
  color: white;
  border-color: transparent;
  font-weight: 600;
}

.signin-consent {
  margin: 0;
  font-size: 11px;
  line-height: 1.4;
  color: var(--muted);
}

.signin-consent a {
  color: var(--accent);
  text-decoration: none;
}

.signin-consent a:hover {
  text-decoration: underline;
}

.auth-error {
  margin: 0;
  font-size: 12px;
  line-height: 1.3;
  color: #d14343;
  text-align: center;
  min-height: 1.2em;
}

.install-hint {
  margin: 0;
  font-size: 11px;
  line-height: 1.4;
  color: var(--muted);
}

.profile-drawer {
  position: absolute;
  top: 56px;
  right: 12px;
  width: min(280px, calc(100vw - 24px));
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow);
  padding: 12px;
  display: grid;
  gap: 10px;
  z-index: 40;
  transform-origin: top right;
  animation: slideIn 140ms ease-out;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(14px) translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateX(0) translateY(0);
  }
}

@keyframes fadeInSoft {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.history-drawer {
  position: absolute;
  top: 56px;
  left: 12px;
  width: min(280px, calc(100vw - 24px));
  max-height: 60vh;
  overflow: auto;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow);
  padding: 12px;
  display: grid;
  gap: 8px;
  z-index: 45;
  transform-origin: top left;
  animation: slideIn 140ms ease-out;
}

.journal-drawer {
  position: absolute;
  top: 56px;
  left: 12px;
  width: min(320px, calc(100vw - 24px));
  max-height: 74vh;
  overflow: auto;
  background:
    radial-gradient(circle at 22% 14%, rgba(255, 255, 255, 0.28) 0, transparent 42%),
    repeating-linear-gradient(
      0deg,
      color-mix(in srgb, #f6eec5 88%, #e8ddb0 12%) 0px,
      color-mix(in srgb, #f6eec5 88%, #e8ddb0 12%) 26px,
      color-mix(in srgb, #d7c997 72%, #f6eec5 28%) 27px
    );
  border: 1px solid color-mix(in srgb, #bcae7b 70%, var(--border) 30%);
  border-radius: 12px;
  box-shadow: 0 12px 24px rgba(56, 44, 14, 0.2);
  padding: 12px;
  display: grid;
  gap: 8px;
  z-index: 55;
  transform-origin: top left;
  animation: fadeInSoft 120ms ease-out;
}

body[data-theme="dark"] .journal-drawer {
  background:
    radial-gradient(circle at 20% 10%, rgba(255, 240, 180, 0.08) 0, transparent 45%),
    repeating-linear-gradient(
      0deg,
      color-mix(in srgb, #2e2a1e 88%, #443b24 12%) 0px,
      color-mix(in srgb, #2e2a1e 88%, #443b24 12%) 26px,
      color-mix(in srgb, #54462b 66%, #2e2a1e 34%) 27px
    );
  border-color: color-mix(in srgb, #6f613e 70%, var(--border) 30%);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.45);
}

.drawer-title {
  font-size: 19px;
  line-height: 1;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: color-mix(in srgb, #4a3f1f 82%, var(--ink) 18%);
  font-family: "Just Another Hand", "Bristol Regular", "Chomp", "Smooth Stone", "Segoe Print", "Bradley Hand", "Comic Sans MS", "Chalkboard SE", sans-serif;
}

body[data-theme="dark"] .drawer-title {
  color: color-mix(in srgb, #eadb9f 82%, var(--ink) 18%);
}

.session-section-header {
  font-size: 10px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 6px 2px 4px 2px;
}

.session-list {
  display: grid;
  gap: 0;
}

.session-item {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 6px;
  border: 0;
  border-bottom: 1px solid var(--border);
  border-radius: 0;
  background: transparent;
  padding: 6px 2px;
  width: 100%;
}

.session-open-btn {
  border: 0;
  background: transparent;
  width: 100%;
  text-align: left;
  padding: 4px 0;
}

.session-item .title {
  font-size: 12px;
  color: var(--ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.session-star {
  color: #f59e0b;
  margin-right: 6px;
}

.session-item .meta {
  font-size: 10px;
  color: var(--muted);
}

.session-item.active {
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  border-bottom-color: color-mix(in srgb, var(--accent) 45%, var(--border) 55%);
}

.session-item.active .title {
  font-weight: 600;
}

.session-actions {
  position: relative;
}

.session-menu-btn {
  border: 0;
  background: transparent;
  color: var(--muted);
  width: 24px;
  height: 24px;
  border-radius: 8px;
  padding: 0;
  display: grid;
  place-items: center;
  font-size: 13px;
}

.session-menu-btn:hover {
  color: var(--ink);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
}

.session-menu {
  position: absolute;
  top: 26px;
  right: 0;
  min-width: 120px;
  display: grid;
  gap: 2px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 4px;
  box-shadow: var(--shadow);
  z-index: 70;
}

.session-menu-item {
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--ink);
  text-align: left;
  padding: 6px 8px;
  font-size: 12px;
}

.session-menu-item:hover {
  background: color-mix(in srgb, var(--accent) 10%, transparent);
}

.session-menu-item.danger {
  color: #dc2626;
}

.session-rename-input {
  width: 100%;
  font-size: 12px;
  padding: 5px 7px;
}

.journal-link-row {
  font-size: 12px;
  color: color-mix(in srgb, #4e421f 88%, var(--ink) 12%);
}

.journal-link-row label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
}

body[data-theme="dark"] .journal-link-row {
  color: color-mix(in srgb, #ecd997 82%, var(--ink) 18%);
}

.journal-title-input {
  width: 100%;
  font-size: 15px;
  font-family: "Just Another Hand", "Bristol Regular", "Chomp", "Smooth Stone", "Segoe Print", "Bradley Hand", "Comic Sans MS", "Chalkboard SE", sans-serif;
  letter-spacing: 0.01em;
  background: color-mix(in srgb, #fff7d0 84%, var(--panel) 16%);
  border-color: color-mix(in srgb, #c9b97f 70%, var(--border) 30%);
}

body[data-theme="dark"] .journal-title-input {
  background: color-mix(in srgb, #302a1a 86%, var(--panel) 14%);
  border-color: color-mix(in srgb, #74663f 70%, var(--border) 30%);
}

.journal-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.journal-tool-btn {
  border-radius: 8px;
  padding: 4px 8px;
  font-size: 11px;
}

.journal-icon-btn {
  min-width: 28px;
  padding: 4px 6px;
  font-weight: 700;
}

.journal-color-control {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 7px;
  border: 1px solid color-mix(in srgb, #c4b171 65%, var(--border) 35%);
  border-radius: 8px;
  background: color-mix(in srgb, #fff4bb 78%, var(--panel) 22%);
  font-size: 11px;
  color: color-mix(in srgb, #4d411f 85%, var(--ink) 15%);
  font-weight: 700;
}

.journal-drawer.picker-warmup .journal-color-control {
  pointer-events: none;
}

.journal-icon-color {
  width: 30px;
  height: 28px;
  justify-content: center;
  padding: 0;
  gap: 0;
  position: relative;
  overflow: hidden;
}

.journal-icon-color span {
  pointer-events: none;
  font-size: 14px;
  line-height: 1;
}

.journal-color-control input[type="color"] {
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  cursor: pointer;
  opacity: 0;
  position: absolute;
  inset: 0;
}

body[data-theme="dark"] .journal-color-control {
  background: color-mix(in srgb, #3b3218 82%, var(--panel) 18%);
  border-color: color-mix(in srgb, #76643b 64%, var(--border) 36%);
  color: color-mix(in srgb, #e8d792 82%, var(--ink) 18%);
}

.journal-editor {
  min-height: 140px;
  height: clamp(140px, 34vh, 220px);
  max-height: 220px;
  overflow-y: auto;
  overflow-x: hidden;
  position: relative;
  border: 1px solid #ceb96d;
  border-radius: 10px;
  padding: 12px 12px 14px 12px;
  font-size: 16px;
  line-height: 1.5;
  font-family: "Just Another Hand", "Bristol Regular", "Chomp", "Smooth Stone", "Segoe Print", "Bradley Hand", "Comic Sans MS", "Chalkboard SE", sans-serif;
  letter-spacing: 0.01em;
  background:
    repeating-linear-gradient(
      180deg,
      transparent 0px,
      transparent 23px,
      rgba(189, 162, 74, 0.28) 24px
    ),
    linear-gradient(180deg, #fff9cd 0%, #fff2a7 100%);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.45),
    0 8px 16px rgba(92, 76, 36, 0.2);
}

.journal-editor::before {
  content: "";
  position: absolute;
  top: -8px;
  left: 50%;
  transform: translateX(-50%) rotate(-2deg);
  width: 70px;
  height: 16px;
  border-radius: 3px;
  background: linear-gradient(180deg, rgba(246, 238, 206, 0.85), rgba(210, 199, 156, 0.55));
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.16);
  pointer-events: none;
}

body[data-theme="dark"] .journal-editor {
  border-color: #8d7740;
  background:
    repeating-linear-gradient(
      180deg,
      transparent 0px,
      transparent 23px,
      rgba(142, 115, 41, 0.3) 24px
    ),
    linear-gradient(180deg, #4a3f1f 0%, #3b3217 100%);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.04),
    0 8px 16px rgba(0, 0, 0, 0.45);
}

.journal-editor:focus {
  outline: 1px solid color-mix(in srgb, var(--accent) 50%, transparent);
}

.journal-actions {
  display: flex;
  gap: 8px;
}

.journal-primary-btn {
  background: var(--accent);
  color: white;
  border-color: transparent;
}

.journal-secondary-btn {
  background: transparent;
}

.journal-status-text {
  font-size: 11px;
  color: var(--muted);
}

.journal-list {
  display: grid;
  gap: 0;
  border-top: 1px dashed color-mix(in srgb, #bba770 70%, var(--border) 30%);
  margin-top: 2px;
  max-height: 180px;
  overflow-y: auto;
  padding-right: 2px;
}

.journal-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px dashed color-mix(in srgb, #c2b37e 62%, var(--border) 38%);
}

.journal-item-btn {
  border: 1px solid color-mix(in srgb, #d1c38b 74%, var(--border) 26%);
  border-radius: 10px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.24), rgba(255, 255, 255, 0)),
    color-mix(in srgb, #fff8cf 88%, var(--panel) 12%);
  text-align: left;
  padding: 7px 8px;
  box-shadow: 0 2px 5px rgba(80, 66, 31, 0.11);
}

.journal-item-btn:hover {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.28), rgba(255, 255, 255, 0.04)),
    color-mix(in srgb, #fff9da 90%, var(--panel) 10%);
}

.journal-item-title {
  font-size: 14px;
  color: color-mix(in srgb, #3f3419 84%, var(--ink) 16%);
  font-family: "Just Another Hand", "Bristol Regular", "Chomp", "Smooth Stone", "Segoe Print", "Bradley Hand", "Comic Sans MS", "Chalkboard SE", sans-serif;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.journal-item-meta {
  font-size: 10px;
  color: var(--muted);
}

.journal-item-delete {
  border: 0;
  background: transparent;
  color: #dc2626;
  width: 22px;
  height: 22px;
  padding: 0;
  border-radius: 7px;
}

.journal-item-delete:hover {
  background: color-mix(in srgb, #dc2626 12%, transparent);
}

.profile-row {
  display: grid;
  gap: 3px;
}

.profile-row span {
  color: var(--muted);
  font-size: 11px;
}

.profile-row strong {
  font-size: 13px;
  word-break: break-word;
}

.credits-help {
  font-size: 11px;
  color: var(--muted);
}

.buy-btn {
  background: var(--accent);
  color: white;
  border-color: transparent;
}

.payment-history {
  display: grid;
  gap: 6px;
}

.payment-history-title {
  font-size: 11px;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.payment-history-list {
  max-height: 120px;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: color-mix(in srgb, var(--panel) 92%, transparent);
}

.payment-history-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
}

.payment-history-item:last-child {
  border-bottom: 0;
}

.payment-history-main {
  font-size: 12px;
  color: var(--ink);
}

.payment-history-meta {
  font-size: 10px;
  color: var(--muted);
}

.payment-history-tokens {
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  align-self: center;
}

.payment-history-empty {
  padding: 10px;
  font-size: 11px;
  color: var(--muted);
}

.drawer-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.action-icon-btn {
  width: 38px;
  height: 38px;
  border-radius: 999px;
  padding: 0;
  display: grid;
  place-items: center;
  font-size: 16px;
  background: color-mix(in srgb, var(--panel) 86%, transparent);
  border-color: var(--border);
  color: var(--ink);
}

.action-icon-btn:hover {
  background: color-mix(in srgb, var(--accent) 14%, var(--panel) 86%);
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border) 55%);
}

.action-icon-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.action-icon-btn.danger {
  color: #dc2626;
  border-color: color-mix(in srgb, #dc2626 35%, var(--border) 65%);
}

.action-icon-btn.danger:hover {
  background: color-mix(in srgb, #dc2626 12%, var(--panel) 88%);
}

.drawer-separator {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 4px 0 2px 0;
}

.usage-bar-track {
  width: 100%;
  height: 8px;
  border-radius: 999px;
  overflow: hidden;
  background: color-mix(in srgb, var(--muted) 28%, transparent);
}

.usage-bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #22c55e, #14b8a6);
  transition: width 220ms ease;
}

.refill-title {
  margin-top: 3px;
}

.refill-title span {
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
}

.app-main {
  height: 100%;
  display: grid;
  grid-template-rows: 1fr auto;
  overflow: hidden;
}

.messages {
  padding: 12px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.msg {
  padding: 0;
  white-space: pre-wrap;
  line-height: 1.45;
  margin: 0;
}

.msg.user {
  align-self: flex-end;
  max-width: 82%;
  padding: 8px 10px;
  border-radius: 12px;
  border: 1px solid color-mix(in srgb, var(--accent) 25%, var(--border) 75%);
  background: color-mix(in srgb, var(--accent) 10%, var(--panel) 90%);
  color: var(--ink);
  margin: 6px 0 4px auto;
}

.msg.assistant {
  align-self: flex-start;
  color: var(--ink);
  margin: 2px 0 8px 0;
}

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

.msg .who {
  font-weight: 600;
  margin-right: 6px;
}

.msg.user .who {
  display: none;
}

.thinking {
  display: inline-flex;
  gap: 5px;
  align-items: center;
}

.thinking span {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--muted);
  opacity: 0.35;
  animation: blink 1s infinite ease-in-out;
}

.thinking span:nth-child(2) {
  animation-delay: 120ms;
}

.thinking span:nth-child(3) {
  animation-delay: 240ms;
}

@keyframes blink {
  0%,
  100% {
    opacity: 0.25;
    transform: translateY(0);
  }
  50% {
    opacity: 1;
    transform: translateY(-1px);
  }
}

footer {
  position: sticky;
  bottom: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--panel) 96%, transparent);
  backdrop-filter: blur(4px);
  border-top: 1px solid var(--border);
  padding: 10px 12px;
  display: grid;
  gap: 8px;
}

#usageLine {
  font-size: 12px;
  color: var(--muted);
}

.composer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
}

.footer-disclaimer {
  font-size: 10px;
  color: var(--muted);
  line-height: 1.3;
}

textarea {
  resize: vertical;
  min-height: 76px;
}

button {
  cursor: pointer;
}