/* Sebayhi frontend visual system */
@font-face {
  font-family: "Thmanyah Serif";
  src: url("/static/fonts/thmanyahserifdisplay-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
/* test */
:root {
  color-scheme: dark;
  --bg: #1a0c05;
  --bg-soft: #211007;
  --sidebar-bg: rgba(31, 15, 7, 0.97);
  --chrome-bg: rgba(26, 12, 5, 0.86);
  --surface: #281309;
  --surface-raised: #32190d;
  --surface-soft: #3a1e11;
  --border: #4d2f1e;
  --border-strong: #684833;
  --text: #e8e2d6;
  --text-soft: #c9b8a4;
  --text-muted: #a99581;
  --text-faint: #927b68;
  --danger: #e58e83;
  --danger-soft: rgba(229, 142, 131, 0.1);
  --success: #9cba8f;
  --shadow: 0 24px 65px rgba(10, 4, 1, 0.34);
  --shadow-soft: 0 10px 30px rgba(10, 4, 1, 0.24);
  --sidebar-w: 288px;
  --mobile-topbar-h: 56px;
  --content-w: 880px;
  --radius-xl: 24px;
  --radius-lg: 18px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --font-ui: "Thmanyah Serif", "IBM Plex Sans", system-ui, sans-serif;
  --font-display: "Thmanyah Serif",  serif;
  --ease: cubic-bezier(0.2, 0.75, 0.25, 1);
  --accent: #d8b58f;
  --accent-rgb: 216, 181, 143;
  --accent-soft: rgba(216, 181, 143, 0.12);
  --accent-border: rgba(216, 181, 143, 0.3);
  --accent-ink: #371702;
}


body[data-theme="light"] {
  color-scheme: light;
  --bg: #e8e2d6;
  --bg-soft: #ded5c5;
  --sidebar-bg: rgba(239, 233, 221, 0.97);
  --chrome-bg: rgba(232, 226, 214, 0.9);
  --surface: #f4efe5;
  --surface-raised: #faf6ee;
  --surface-soft: #e2d8c8;
  --border: #cbbca8;
  --border-strong: #ad967f;
  --text: #371702;
  --text-soft: #5b3824;
  --text-muted: #745945;
  --text-faint: #795f49;
  --danger: #9b3434;
  --danger-soft: rgba(155, 52, 52, 0.08);
  --success: #4d6a45;
  --shadow: 0 24px 65px rgba(55, 23, 2, 0.13);
  --shadow-soft: 0 10px 28px rgba(55, 23, 2, 0.09);
  --accent: #371702;
  --accent-rgb: 55, 23, 2;
  --accent-soft: rgba(55, 23, 2, 0.08);
  --accent-border: rgba(55, 23, 2, 0.23);
  --accent-ink: #f4efe5;
}

/* I3rab uses a cool, analytical palette; typography stays shared with knowledge mode. */
body[data-mode="i3rab"] {
  --bg: #061719;
  --bg-soft: #0b2022;
  --sidebar-bg: rgba(7, 24, 26, 0.97);
  --chrome-bg: rgba(6, 23, 25, 0.88);
  --surface: #0d2426;
  --surface-raised: #153034;
  --surface-soft: #18373a;
  --border: #28484b;
  --border-strong: #3d6466;
  --text: #e6f0ed;
  --text-soft: #b6cbc6;
  --text-muted: #86a5a0;
  --text-faint: #708f8b;
  --success: #8bc6ab;
  --shadow: 0 24px 65px rgba(1, 10, 11, 0.38);
  --shadow-soft: 0 10px 30px rgba(1, 10, 11, 0.28);
  --accent: #63d1c0;
  --accent-rgb: 99, 209, 192;
  --accent-soft: rgba(99, 209, 192, 0.12);
  --accent-border: rgba(99, 209, 192, 0.32);
  --accent-ink: #062421;
}

body[data-theme="light"][data-mode="i3rab"] {
  --bg: #e6efed;
  --bg-soft: #d9e6e3;
  --sidebar-bg: rgba(239, 245, 243, 0.97);
  --chrome-bg: rgba(230, 239, 237, 0.9);
  --surface: #f4f8f7;
  --surface-raised: #fbfdfc;
  --surface-soft: #dceae7;
  --border: #bed3cf;
  --border-strong: #91b4ae;
  --text: #0d3534;
  --text-soft: #28534e;
  --text-muted: #587871;
  --text-faint: #66847e;
  --success: #357a64;
  --shadow: 0 24px 65px rgba(13, 53, 52, 0.13);
  --shadow-soft: 0 10px 28px rgba(13, 53, 52, 0.09);
  --accent: #0b746c;
  --accent-rgb: 11, 116, 108;
  --accent-soft: rgba(11, 116, 108, 0.09);
  --accent-border: rgba(11, 116, 108, 0.28);
  --accent-ink: #f4f8f7;
}


*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  width: 100%;
  height: 100%;
}

html {
  background: var(--bg);
}

body {
  display: flex;
  min-height: 100vh;
  min-height: 100dvh;
  overflow: hidden;
  background:
    radial-gradient(circle at 72% 8%, rgba(var(--accent-rgb), 0.07), transparent 30rem),
    var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 15px;
  line-height: 1.7;
  transition: background-color 180ms ease, color 180ms ease;
}

button,
textarea {
  font: inherit;
}

button {
  color: inherit;
}

button:disabled {
  cursor: not-allowed;
}

[hidden] {
  display: none !important;
}

::selection {
  background: rgba(var(--accent-rgb), 0.28);
}

::-webkit-scrollbar {
  width: 7px;
  height: 7px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  border: 2px solid transparent;
  border-radius: 99px;
  background: var(--border-strong);
  background-clip: padding-box;
}

:focus-visible {
  outline: 3px solid rgba(var(--accent-rgb), 0.42);
  outline-offset: 3px;
}

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

.skip-link {
  position: fixed;
  inset-block-start: 10px;
  inset-inline-start: 50%;
  z-index: 1000;
  translate: 50% -150%;
  padding: 9px 16px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
  text-decoration: none;
  transition: translate 160ms ease;
}

.skip-link:focus {
  translate: 50% 0;
}

/* Mobile controls */
.mobile-topbar {
  display: none;
}

.icon-btn {
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  color: var(--text-soft);
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.icon-btn svg {
  width: 19px;
  height: 19px;
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 190;
  border: 0;
  background: rgba(22, 10, 4, 0.62);
  backdrop-filter: blur(3px);
}

.sidebar-overlay.active {
  display: block;
  animation: fadeIn 160ms ease both;
}

/* Sidebar */
.sidebar {
  position: relative;
  z-index: 200;
  display: flex;
  width: var(--sidebar-w);
  min-width: var(--sidebar-w);
  height: 100vh;
  height: 100dvh;
  flex-direction: column;
  overflow: hidden;
  border-inline-end: 1px solid var(--border);
  background: var(--sidebar-bg);
  backdrop-filter: blur(18px);
}

.sidebar-brand {
  display: flex;
  min-height: 82px;
  flex-shrink: 0;
  align-items: center;
  padding: 13px 20px;
  border-block-end: 1px solid var(--border);
}

.brand-logo {
  display: block;
  width: 190px;
  height: 54px;
  flex: 0 0 auto;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #e8e2d6;
  object-fit: cover;
  object-position: center;
  box-shadow: var(--shadow-soft);
}

.brand-logo--mobile {
  width: 128px;
  height: 40px;
  border-radius: 10px;
  box-shadow: none;
}

.sidebar-section {
  padding: 18px 14px 12px;
}

.sidebar-section-label {
  padding-inline: 6px;
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.mode-toggle {
  display: flex;
  flex-direction: column;
  gap: 7px;
  margin-block-start: 9px;
}

.mode-btn {
  position: relative;
  display: grid;
  width: 100%;
  min-height: 68px;
  grid-template-columns: 38px minmax(0, 1fr) 10px;
  align-items: center;
  gap: 11px;
  padding: 10px 12px;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--text-muted);
  text-align: start;
  cursor: pointer;
  transition: border-color 160ms ease, background 160ms ease, color 160ms ease, transform 160ms var(--ease);
}

.mode-btn:not(:disabled):hover {
  background: var(--surface);
  color: var(--text);
  transform: translateX(-2px);
}

.mode-btn:disabled {
  opacity: 0.55;
}

.mode-btn--active {
  border-color: var(--accent-border);
  background: var(--accent-soft);
  color: var(--text);
}

.mode-icon {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  color: var(--text-muted);
}

.mode-icon svg {
  width: 20px;
  height: 20px;
}

.mode-btn--active .mode-icon {
  border-color: var(--accent-border);
  background: rgba(var(--accent-rgb), 0.12);
  color: var(--accent);
}

.mode-btn-text {
  display: flex;
  min-width: 0;
  flex-direction: column;
  line-height: 1.4;
}

.mode-btn-text strong {
  font-size: 14px;
  font-weight: 600;
}

.mode-btn-text small {
  overflow: hidden;
  color: var(--text-muted);
  font-size: 11px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mode-check {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: transparent;
  box-shadow: 0 0 0 4px transparent;
}

.mode-btn--active .mode-check {
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

.new-chat-btn {
  display: flex;
  min-height: 44px;
  flex-shrink: 0;
  align-items: center;
  gap: 9px;
  margin: 2px 14px 14px;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text-soft);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 160ms ease, background 160ms ease, transform 160ms var(--ease);
}

.new-chat-btn:not(:disabled):hover {
  border-color: var(--accent-border);
  background: var(--accent-soft);
  transform: translateY(-1px);
}

.new-chat-btn:disabled {
  opacity: 0.55;
}

.new-chat-btn svg {
  width: 17px;
  height: 17px;
}

.new-chat-shortcut {
  margin-inline-start: auto;
  color: var(--text-faint);
  font-family: "IBM Plex Sans", sans-serif;
  font-size: 10px;
  direction: ltr;
}

.sidebar-history-section {
  min-height: 0;
  flex: 1;
  overflow-y: auto;
  border-block-start: 1px solid var(--border);
}

.section-heading-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.history-count {
  display: grid;
  min-width: 22px;
  height: 22px;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 99px;
  color: var(--text-muted);
  font-family: "IBM Plex Sans", sans-serif;
  font-size: 10px;
}

.history-list {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-block-start: 10px;
}

.history-empty {
  display: flex;
  min-height: 96px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 7px;
  border: 1px dashed var(--border);
  border-radius: var(--radius-md);
  color: var(--text-faint);
  font-size: 11px;
}

.history-empty svg {
  width: 24px;
  height: 24px;
}

.history-item {
  display: grid;
  width: 100%;
  min-height: 44px;
  grid-template-columns: 28px minmax(0, 1fr);
  align-items: center;
  gap: 9px;
  padding: 7px 9px;
  overflow: hidden;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-muted);
  text-align: start;
  cursor: pointer;
  transition: background 140ms ease, border-color 140ms ease, color 140ms ease;
}

.history-item:hover {
  background: var(--surface);
  color: var(--text-soft);
}

.history-item--active {
  border-color: var(--border);
  background: var(--surface-raised);
  color: var(--text);
}

.history-item-badge {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--surface-soft);
  color: var(--text-muted);
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 600;
}

.history-item-badge--i3rab {
  border-color: var(--accent-border);
  background: var(--accent-soft);
  color: var(--accent);
}

.history-item-text {
  overflow: hidden;
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sidebar-bottom {
  flex-shrink: 0;
  padding: 12px 14px 16px;
  border-block-start: 1px solid var(--border);
}

.privacy-note {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 0 7px 10px;
  color: var(--text-faint);
  font-size: 10px;
}

.privacy-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 4px rgba(78, 201, 164, 0.08);
}

.theme-btn {
  display: grid;
  width: 100%;
  min-height: 42px;
  grid-template-columns: 18px minmax(0, 1fr) 34px;
  align-items: center;
  gap: 9px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text-muted);
  text-align: start;
  cursor: pointer;
  transition: border-color 150ms ease, color 150ms ease;
}

.theme-btn:hover {
  border-color: var(--border-strong);
  color: var(--text);
}

.theme-btn svg {
  width: 17px;
  height: 17px;
}

.theme-switch {
  position: relative;
  width: 34px;
  height: 20px;
  border: 1px solid var(--border-strong);
  border-radius: 99px;
  background: var(--surface-soft);
}

.theme-switch span {
  position: absolute;
  inset-block-start: 3px;
  inset-inline-start: 3px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--text-muted);
  transition: inset-inline-start 180ms var(--ease), background 180ms ease;
}

body[data-theme="light"] .theme-switch span {
  inset-inline-start: 17px;
  background: var(--accent);
}

/* Main workspace */
.chat-main {
  position: relative;
  display: flex;
  min-width: 0;
  height: 100vh;
  height: 100dvh;
  flex: 1;
  flex-direction: column;
  overflow: hidden;
}

.context-bar {
  position: relative;
  z-index: 10;
  display: flex;
  min-height: 76px;
  flex-shrink: 0;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 12px clamp(22px, 4vw, 52px);
  border-block-end: 1px solid var(--border);
  background: var(--chrome-bg);
  backdrop-filter: blur(18px);
}


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

.context-copy > span:last-child {
  display: flex;
  min-width: 0;
  flex-direction: column;
}

.context-icon {
  width: 9px;
  height: 34px;
  flex: 0 0 auto;
  border-radius: 99px;
  background: var(--accent);
  box-shadow: 0 0 20px rgba(var(--accent-rgb), 0.35);
}

.context-eyebrow {
  color: var(--accent);
  font-size: 10px;
  font-weight: 600;
}

.context-title {
  overflow: hidden;
  color: var(--text);
  font-size: 15px;
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.session-progress {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 9px;
  padding: 7px 11px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text-muted);
  font-size: 11px;
}

.progress-ring {
  --progress: 0deg;
  position: relative;
  display: grid;
  width: 21px;
  height: 21px;
  place-items: center;
  border-radius: 50%;
  background: conic-gradient(var(--accent) var(--progress), var(--border) 0);
}

.progress-ring::after {
  width: 13px;
  height: 13px;
  border-radius: inherit;
  background: var(--surface);
  content: "";
}

.chat-scroll {
  position: relative;
  flex: 1;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: clamp(24px, 4vw, 44px) clamp(20px, 5vw, 64px) 30px;
  scroll-behavior: smooth;
}

.chat-watermark {
  position: fixed;
  inset-block-start: 50%;
  inset-inline-start: calc((100% + var(--sidebar-w)) / 2);
  z-index: 0;
  color: var(--text);
  font-family: var(--font-display);
  font-size: clamp(130px, 18vw, 260px);
  line-height: 1;
  opacity: 0.018;
  pointer-events: none;
  translate: 50% -50%;
  user-select: none;
}

.message-list {
  position: relative;
  z-index: 1;
  display: flex;
  width: min(100%, var(--content-w));
  min-height: 100%;
  flex-direction: column;
  gap: 24px;
  margin-inline: auto;
  padding-block-end: 8px;
}

/* Welcome state */
.welcome-panel {
  display: flex;
  width: min(100%, 760px);
  min-height: 100%;
  align-self: center;
  justify-content: center;
  flex-direction: column;
  margin: auto;
  padding: 18px 0 40px;
  text-align: center;
  animation: welcomeIn 420ms var(--ease) both;
}

.welcome-avatar {
  position: relative;
  display: grid;
  width: 76px;
  height: 76px;
  place-items: center;
  margin: 0 auto 20px;
  border: 1px solid var(--accent-border);
  border-radius: 27px;
  background: linear-gradient(145deg, var(--accent-soft), var(--surface));
  box-shadow: 0 18px 45px rgba(var(--accent-rgb), 0.13);
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 43px;
}

.welcome-avatar::before,
.welcome-avatar::after {
  position: absolute;
  border: 1px solid var(--accent-border);
  border-radius: 30px;
  content: "";
  inset: -8px;
  opacity: 0.35;
}

.welcome-avatar::after {
  inset: -16px;
  opacity: 0.14;
}

.welcome-kicker {
  margin-block-end: 6px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
}

.welcome-title {
  max-width: 650px;
  margin-inline: auto;
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 400;
  line-height: 1.28;
  text-wrap: balance;
}

.welcome-copy {
  max-width: 590px;
  margin: 12px auto 0;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.9;
  text-wrap: balance;
}

.welcome-path {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-block-start: 28px;
  text-align: start;
}

.welcome-step {
  position: relative;
  min-height: 112px;
  padding: 15px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: rgba(var(--accent-rgb), 0.025);
  transition: border-color 160ms ease, transform 160ms var(--ease), background 160ms ease;
}

.welcome-step:hover {
  border-color: var(--accent-border);
  background: var(--accent-soft);
  transform: translateY(-2px);
}

.welcome-step-number {
  display: grid;
  width: 24px;
  height: 24px;
  place-items: center;
  margin-block-end: 10px;
  border: 1px solid var(--accent-border);
  border-radius: 8px;
  color: var(--accent);
  font-family: "IBM Plex Sans", sans-serif;
  font-size: 10px;
  font-weight: 600;
}

.welcome-step strong {
  display: block;
  font-size: 13px;
  font-weight: 600;
}

.welcome-step p {
  margin-block-start: 3px;
  color: var(--text-muted);
  font-size: 11px;
  line-height: 1.6;
}

/* Messages */
.message {
  display: flex;
  width: 100%;
  align-items: flex-start;
  gap: 12px;
  direction: rtl;
  animation: messageIn 240ms var(--ease) both;
}

.message--user {
  flex-direction: row-reverse;
}

.msg-avatar {
  display: grid;
  width: 36px;
  height: 36px;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid var(--accent-border);
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 19px;
}

.message--user .msg-avatar {
  border-color: var(--border);
  background: var(--surface-soft);
  color: var(--text-muted);
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 600;
}

.msg-body {
  display: flex;
  width: fit-content;
  max-width: min(100% - 48px, 760px);
  flex-direction: column;
  align-items: stretch;
  gap: 9px;
}

.message--assistant .msg-body {
  width: min(100% - 48px, 760px);
}

.message--user .msg-body {
  align-items: flex-end;
}

.intent-badge {
  display: flex;
  align-items: center;
  gap: 7px;
  padding-inline: 2px;
  color: var(--text-muted);
  font-size: 10px;
  font-weight: 600;
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

.msg-text {
  max-width: 100%;
  padding: 12px 15px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  color: var(--text-soft);
  font-family: var(--font-ui);
  font-size: 15px;
  line-height: 1.95;
  overflow-wrap: anywhere;
  white-space: pre-wrap;
}

.message--assistant .msg-text {
  border-start-start-radius: 5px;
  box-shadow: var(--shadow-soft);
}

.message--user .msg-text {
  width: fit-content;
  border-color: var(--accent-border);
  border-start-end-radius: 5px;
  background: var(--accent-soft);
  color: var(--text);
  text-align: start;
}

.streaming-content {
  min-height: 30px;
  white-space: pre-wrap;
}

.streaming-cursor {
  display: inline-block;
  width: 2px;
  height: 1.1em;
  margin-inline-start: 3px;
  border-radius: 2px;
  background: var(--accent);
  vertical-align: -0.15em;
  animation: blink 760ms step-end infinite;
}

/* Rich knowledge response */
.rich-response {
  display: flex;
  flex-direction: column;
  gap: 13px;
  white-space: normal;
}

.response-heading {
  position: relative;
  margin-block-start: 3px;
  padding-inline-start: 14px;
  color: var(--text);
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 400;
  line-height: 1.6;
}

.response-heading::before {
  position: absolute;
  inset-block: 7px;
  inset-inline-start: 0;
  width: 4px;
  border-radius: 99px;
  background: var(--accent);
  content: "";
}

.response-paragraph {
  color: var(--text-soft);
  line-height: 1.95;
  white-space: pre-wrap;
}

.response-paragraph strong {
  color: var(--text);
  font-weight: 600;
}

.response-paragraph code {
  padding: 1px 6px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface-soft);
  color: var(--accent);
  font-family: var(--font-ui);
}

.response-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 0;
  list-style: none;
}

.response-list li {
  position: relative;
  padding-inline-start: 21px;
  color: var(--text-soft);
}

.response-list li::before {
  position: absolute;
  inset-block-start: 0.78em;
  inset-inline-start: 3px;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--accent);
  content: "";
  rotate: 45deg;
}

.response-list--numbered {
  counter-reset: response-list;
}

.response-list--numbered li {
  counter-increment: response-list;
  padding-inline-start: 31px;
}

.response-list--numbered li::before {
  display: grid;
  width: 22px;
  height: 22px;
  place-items: center;
  inset-block-start: 3px;
  inset-inline-start: 0;
  border: 1px solid var(--accent-border);
  border-radius: 7px;
  background: var(--accent-soft);
  color: var(--accent);
  content: counter(response-list);
  font-family: "IBM Plex Sans", sans-serif;
  font-size: 10px;
  font-weight: 600;
  rotate: 0deg;
}

.response-callout {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 10px;
  padding: 12px 13px;
  border: 1px solid var(--accent-border);
  border-radius: var(--radius-md);
  background: var(--accent-soft);
}

.response-callout__mark {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border: 1px solid var(--accent-border);
  border-radius: 9px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
}

.response-callout__content strong {
  display: block;
  margin-block-end: 2px;
  color: var(--text);
  font-size: 12px;
}

.response-callout__content p {
  color: var(--text-soft);
  font-size: 13px;
  line-height: 1.8;
}

/* I3rab explorer */
.i3rab-explorer {
  display: flex;
  flex-direction: column;
  gap: 15px;
  white-space: normal;
}

.i3rab-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding-block-end: 12px;
  border-block-end: 1px solid var(--border);
}

.i3rab-header strong {
  display: block;
  color: var(--text);
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 400;
}

.i3rab-header p {
  margin-block-start: 1px;
  color: var(--text-muted);
  font-size: 11px;
}

.i3rab-count {
  flex: 0 0 auto;
  padding: 4px 9px;
  border: 1px solid var(--accent-border);
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 10px;
  font-weight: 600;
}

.i3rab-tokens {
  display: flex;
  gap: 8px;
  padding: 3px 1px 8px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
}

.i3rab-token {
  position: relative;
  display: flex;
  min-width: 72px;
  min-height: 58px;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 2px;
  padding: 7px 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface-soft);
  color: var(--text-soft);
  cursor: pointer;
  scroll-snap-align: start;
  transition: border-color 160ms ease, background 160ms ease, color 160ms ease, transform 160ms var(--ease);
}

.i3rab-token:hover {
  border-color: var(--accent-border);
  transform: translateY(-2px);
}

.i3rab-token[aria-selected="true"] {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--text);
  box-shadow: 0 8px 22px rgba(var(--accent-rgb), 0.1);
}

.i3rab-token__word {
  font-family: var(--font-display);
  font-size: 17px;
  line-height: 1.4;
}

.i3rab-token__index {
  color: var(--text-muted);
  font-family: "IBM Plex Sans", sans-serif;
  font-size: 9px;
}

.i3rab-detail {
  position: relative;
  min-height: 124px;
  padding: 16px;
  overflow: hidden;
  border: 1px solid var(--accent-border);
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--accent-soft), transparent 75%);
}

.i3rab-detail::after {
  position: absolute;
  inset-block-start: -35px;
  inset-inline-end: -25px;
  width: 110px;
  height: 110px;
  border: 18px solid rgba(var(--accent-rgb), 0.05);
  border-radius: 50%;
  content: "";
  pointer-events: none;
}

.i3rab-detail__label {
  color: var(--accent);
  font-size: 10px;
  font-weight: 600;
}

.i3rab-detail__word {
  margin-block: 2px 7px;
  color: var(--text);
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 400;
}

.i3rab-detail__analysis {
  max-width: 660px;
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.95;
}

.i3rab-progress {
  display: flex;
  height: 3px;
  gap: 4px;
}

.i3rab-progress span {
  flex: 1;
  border-radius: 99px;
  background: var(--border);
  transition: background 160ms ease;
}

.i3rab-progress span.is-active {
  background: var(--accent);
}

.i3rab-next {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-block-start: 2px;
  color: var(--text-muted);
  font-size: 11px;
}

.i3rab-next span:last-child {
  direction: ltr;
  unicode-bidi: isolate;
}

/* I3rab mode: structured analysis surface */
body[data-mode="i3rab"] {
  background:
    radial-gradient(circle at 72% 8%, rgba(var(--accent-rgb), 0.12), transparent 30rem),
    linear-gradient(135deg, rgba(var(--accent-rgb), 0.025), transparent 45%),
    var(--bg);
}

body[data-mode="i3rab"] .chat-scroll {
  background-image:
    linear-gradient(rgba(var(--accent-rgb), 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(var(--accent-rgb), 0.025) 1px, transparent 1px);
  background-size: 34px 34px;
}

body[data-mode="i3rab"] .context-icon {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid var(--accent-border);
  border-radius: 10px;
  background: var(--accent-soft);
  box-shadow: 0 0 22px rgba(var(--accent-rgb), 0.18);
}

body[data-mode="i3rab"] .context-icon::before {
  color: var(--accent);
  content: "ع";
  font-size: 17px;
  line-height: 1;
}

body[data-mode="i3rab"] .welcome-avatar {
  border-radius: 18px;
  background:
    linear-gradient(135deg, rgba(var(--accent-rgb), 0.18), transparent 58%),
    var(--surface);
  box-shadow:
    0 18px 45px rgba(var(--accent-rgb), 0.14),
    inset 0 0 0 7px rgba(var(--accent-rgb), 0.035);
}

body[data-mode="i3rab"] .welcome-avatar::before {
  inset: 7px;
  border-style: dashed;
  border-radius: 12px;
  opacity: 0.4;
}

body[data-mode="i3rab"] .welcome-avatar::after {
  inset: -10px;
  border-radius: 24px;
  opacity: 0.2;
}

body[data-mode="i3rab"] .welcome-step {
  border-block-start: 2px solid var(--accent-border);
  border-radius: 8px 8px var(--radius-md) var(--radius-md);
  background: linear-gradient(180deg, rgba(var(--accent-rgb), 0.075), rgba(var(--accent-rgb), 0.015));
}

body[data-mode="i3rab"] .welcome-step-number {
  border-radius: 999px;
  background: var(--accent-soft);
}

body[data-mode="i3rab"] .composer {
  border-color: var(--accent-border);
  background:
    linear-gradient(135deg, rgba(var(--accent-rgb), 0.055), transparent 48%),
    var(--surface);
}

body[data-mode="i3rab"] .i3rab-token {
  border-block-end-width: 2px;
}

body[data-mode="i3rab"] .i3rab-token[aria-selected="true"] {
  border-block-end-color: var(--accent);
}

body[data-mode="i3rab"] .i3rab-detail {
  border-inline-start-width: 3px;
  background:
    linear-gradient(135deg, rgba(var(--accent-rgb), 0.16), transparent 68%),
    var(--surface);
}

/* Contextual actions */
.response-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  padding-inline: 2px;
}

.response-action {
  display: inline-flex;
  min-height: 36px;
  align-items: center;
  gap: 7px;
  padding: 7px 11px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: transparent;
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 150ms ease, background 150ms ease, color 150ms ease, transform 150ms var(--ease);
}

.response-action:hover {
  border-color: var(--accent-border);
  background: var(--accent-soft);
  color: var(--text);
  transform: translateY(-1px);
}

.response-action svg {
  width: 14px;
  height: 14px;
  color: var(--accent);
}

/* Thinking and error feedback */
.thinking-card {
  display: flex;
  min-width: min(340px, 100%);
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}

.thinking-orbit {
  position: relative;
  width: 30px;
  height: 30px;
  flex: 0 0 auto;
  border: 2px solid var(--border);
  border-radius: 50%;
}

.thinking-orbit::before {
  position: absolute;
  inset: -2px;
  border: 2px solid transparent;
  border-block-start-color: var(--accent);
  border-radius: inherit;
  content: "";
  animation: spin 900ms linear infinite;
}

.thinking-orbit::after {
  position: absolute;
  inset: 9px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px rgba(var(--accent-rgb), 0.55);
  content: "";
}

.thinking-copy {
  display: flex;
  flex-direction: column;
  line-height: 1.5;
}

.thinking-copy strong {
  color: var(--text-soft);
  font-size: 12px;
  font-weight: 600;
}

.thinking-copy span {
  color: var(--text-muted);
  font-size: 10px;
}

.error-card {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 11px;
  padding: 13px;
  border: 1px solid rgba(241, 120, 120, 0.28);
  border-radius: var(--radius-md);
  background: var(--danger-soft);
}

.error-mark {
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border: 1px solid rgba(241, 120, 120, 0.35);
  border-radius: 10px;
  color: var(--danger);
  font-weight: 600;
}

.error-copy strong {
  display: block;
  color: var(--text);
  font-size: 13px;
}

.error-copy p {
  margin-block-start: 2px;
  color: var(--text-muted);
  font-size: 11px;
}

.error-copy details {
  margin-block-start: 7px;
  color: var(--text-faint);
  font-size: 10px;
}

.error-copy summary {
  width: fit-content;
  cursor: pointer;
}

.error-retry {
  margin-block-start: 9px;
  padding: 5px 10px;
  border: 1px solid rgba(241, 120, 120, 0.3);
  border-radius: 8px;
  background: transparent;
  color: var(--danger);
  font-size: 11px;
  cursor: pointer;
}

.mode-divider {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-muted);
  animation: messageIn 200ms ease both;
}

.mode-divider-line {
  height: 1px;
  flex: 1;
  background: var(--border);
}

.mode-divider-label {
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg);
  font-size: 10px;
  font-weight: 600;
}

/* Composer */
.input-bar {
  position: relative;
  z-index: 20;
  flex-shrink: 0;
  padding: 10px clamp(20px, 5vw, 64px) 14px;
  border-block-start: 1px solid var(--border);
  background: var(--chrome-bg);
  backdrop-filter: blur(20px);
}


.quick-prompts {
  display: flex;
  width: min(100%, var(--content-w));
  gap: 7px;
  margin: 0 auto 9px;
  overflow-x: auto;
  padding: 2px 2px 4px;
  scrollbar-width: none;
}

.quick-prompts::-webkit-scrollbar {
  display: none;
}

.quick-prompt {
  display: inline-flex;
  min-height: 34px;
  flex: 0 0 auto;
  align-items: center;
  gap: 7px;
  padding: 6px 11px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text-muted);
  font-size: 11px;
  cursor: pointer;
  transition: border-color 150ms ease, background 150ms ease, color 150ms ease, transform 150ms var(--ease);
}

.quick-prompt::before {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  content: "";
}

.quick-prompt:hover {
  border-color: var(--accent-border);
  background: var(--accent-soft);
  color: var(--text);
  transform: translateY(-1px);
}

.composer {
  display: grid;
  width: min(100%, var(--content-w));
  min-height: 58px;
  grid-template-columns: auto minmax(0, 1fr) 42px;
  align-items: end;
  gap: 10px;
  margin-inline: auto;
  padding: 8px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.composer:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft), var(--shadow-soft);
}

.composer-mode {
  align-self: center;
  padding: 5px 9px;
  border: 1px solid var(--accent-border);
  border-radius: 9px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 10px;
  font-weight: 600;
  white-space: nowrap;
}

.input-field {
  width: 100%;
  max-height: 150px;
  min-height: 40px;
  resize: none;
  overflow-y: auto;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
  caret-color: var(--accent);
  font-family: var(--font-ui);
  font-size: 15px;
  line-height: 1.7;
  padding: 7px 2px 4px;
}

.input-field::placeholder {
  color: var(--text-faint);
}

.send-btn {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid var(--accent);
  border-radius: 13px;
  background: var(--accent);
  color: var(--accent-ink);
  cursor: pointer;
  box-shadow: 0 8px 20px rgba(var(--accent-rgb), 0.2);
  transition: transform 150ms var(--ease), opacity 150ms ease, box-shadow 150ms ease;
}

.send-btn:not(:disabled):hover {
  transform: translateY(-2px);
  box-shadow: 0 11px 24px rgba(var(--accent-rgb), 0.28);
}

.send-btn:not(:disabled):active {
  transform: translateY(0) scale(0.96);
}

.send-btn:disabled {
  border-color: var(--border);
  background: var(--surface-soft);
  color: var(--text-faint);
  box-shadow: none;
  opacity: 0.65;
}

.send-btn svg {
  width: 18px;
  height: 18px;
  transform: scaleX(-1);
}

.composer-meta {
  display: flex;
  width: min(100%, var(--content-w));
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 7px auto 0;
  color: var(--text-faint);
  font-size: 10px;
}

.keyboard-hint {
  direction: rtl;
  white-space: nowrap;
}

kbd {
  padding: 1px 5px;
  border: 1px solid var(--border);
  border-block-end-color: var(--border-strong);
  border-radius: 5px;
  background: var(--surface);
  color: var(--text-muted);
  font-family: "IBM Plex Sans", sans-serif;
  font-size: 9px;
}

/* Motion */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes welcomeIn {
  from { opacity: 0; transform: translateY(12px) scale(0.99); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes messageIn {
  from { opacity: 0; transform: translateY(7px); }
  to { opacity: 1; transform: translateY(0); }
}

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

@keyframes spin {
  to { rotate: 360deg; }
}

/* Tablet */
@media (max-width: 1040px) {
  :root {
    --sidebar-w: 256px;
  }

  .privacy-note,
  .new-chat-shortcut {
    display: none;
  }

  .context-bar {
    min-height: 70px;
  }

  .chat-scroll {
    padding-inline: 28px;
  }

  .input-bar {
    padding-inline: 28px;
  }
}

/* Mobile */
@media (max-width: 760px) {
  body {
    display: block;
  }

  .mobile-topbar {
    position: fixed;
    inset-block-start: 0;
    inset-inline: 0;
    z-index: 150;
    display: flex;
    height: var(--mobile-topbar-h);
    align-items: center;
    justify-content: space-between;
    padding-inline: 10px;
    border-block-end: 1px solid var(--border);
    background: var(--sidebar-bg);
    backdrop-filter: blur(18px);
  }

  .mobile-brand {
    display: flex;
    align-items: center;
    line-height: 0;
  }

  .sidebar {
    position: fixed;
    inset-block: 0;
    inset-inline-start: 0;
    z-index: 200;
    width: min(88vw, 310px);
    min-width: min(88vw, 310px);
    border-inline-end: 1px solid var(--border);
    box-shadow: var(--shadow);
    transform: translateX(105%);
    transition: transform 220ms var(--ease);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .privacy-note {
    display: flex;
  }

  .chat-main {
    height: 100vh;
    height: 100dvh;
    padding-block-start: var(--mobile-topbar-h);
  }

  .context-bar {
    min-height: 64px;
    padding: 9px 16px;
  }

  .context-title {
    max-width: 48vw;
    font-size: 13px;
  }

  .context-eyebrow {
    font-size: 9px;
  }

  .session-progress {
    padding: 6px;
    border: 0;
    background: transparent;
  }

  .session-progress > span:last-child {
    display: none;
  }

  .chat-scroll {
    padding: 22px 14px 20px;
  }

  .chat-watermark {
    inset-inline-start: 50%;
  }

  .welcome-panel {
    justify-content: flex-start;
    padding-block-start: 20px;
  }

  .welcome-avatar {
    width: 62px;
    height: 62px;
    margin-block-end: 18px;
    border-radius: 22px;
    font-size: 34px;
  }

  .welcome-title {
    font-size: 31px;
  }

  .welcome-copy {
    font-size: 13px;
  }

  .welcome-path {
    grid-template-columns: 1fr;
    gap: 7px;
    margin-block-start: 22px;
  }

  .welcome-step {
    display: grid;
    min-height: 0;
    grid-template-columns: 28px minmax(0, 1fr);
    gap: 0 9px;
    padding: 11px 12px;
  }

  .welcome-step-number {
    grid-row: 1 / 3;
    margin: 0;
  }

  .welcome-step strong,
  .welcome-step p {
    grid-column: 2;
  }

  .message-list {
    gap: 20px;
  }

  .message {
    gap: 8px;
  }

  .msg-avatar {
    width: 32px;
    height: 32px;
    border-radius: 10px;
    font-size: 17px;
  }

  .msg-body,
  .message--assistant .msg-body {
    width: calc(100% - 40px);
    max-width: calc(100% - 40px);
  }

  .message--user .msg-body {
    width: fit-content;
    max-width: calc(100% - 40px);
  }

  .msg-text {
    padding: 11px 12px;
    border-radius: 15px;
    font-size: 14px;
  }

  .i3rab-detail {
    padding: 13px;
  }

  .input-bar {
    padding: 8px 10px max(10px, env(safe-area-inset-bottom));
  }

  .quick-prompts {
    margin-block-end: 6px;
  }

  .quick-prompt {
    min-height: 32px;
    padding: 5px 9px;
    font-size: 10px;
  }

  .composer {
    min-height: 54px;
    grid-template-columns: minmax(0, 1fr) 40px;
    gap: 7px;
    padding: 6px;
    border-radius: 15px;
  }

  .composer-mode {
    display: none;
  }

  .input-field {
    min-height: 40px;
    padding-inline: 6px;
    font-size: 16px;
  }

  .send-btn {
    width: 40px;
    height: 40px;
    border-radius: 11px;
  }

  .composer-meta {
    display: none;
  }
}

@media (max-width: 390px) {
  .context-progress {
    display: none;
  }

  .context-title {
    max-width: 55vw;
  }

  .welcome-title {
    font-size: 28px;
  }

  .response-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .response-action {
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}