/* ============================================================
   RAFIKA EXPERIENCE STYLESHEET (rafika.css) — CLAUDE & TeX MONOGRAPH EDITION
   Standard, Intuitive Claude.ai Navigation & LaTeX Editorial Typesetting
   ============================================================ */

html, body {
  height: 100%;
  height: 100dvh;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background-color: var(--c-bg);
  color: var(--c-text);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.rf-shell {
  height: 100%;
  height: 100dvh;
  max-height: 100dvh;
  background-color: var(--c-bg);
  color: var(--c-text);
  overflow: hidden;
  max-width: 100vw;
  width: 100%;
  display: flex;
  flex-direction: column;
}

/* ============================================================
   1. CLAUDE-STYLE SIDEBAR NAVIGATION
   ============================================================ */
@media (min-width: 1024px) {
  .q-shell--rail.rf-shell {
    display: grid;
    grid-template-columns: 260px 1fr;
    grid-template-rows: 1fr;
    height: 100dvh;
    max-height: 100dvh;
    overflow: hidden;
    transition: grid-template-columns 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .rf-shell.rf-sidebar-collapsed {
    grid-template-columns: 68px 1fr;
  }
}

.rf-sidebar {
  background-color: var(--c-bg);
  border-right: 1px solid var(--c-border);
  display: flex;
  flex-direction: column;
  padding: 1rem 0.85rem;
  box-sizing: border-box;
  overflow-y: auto;
  overflow-x: hidden;
  height: 100dvh;
  position: sticky;
  top: 0;
  z-index: 100;
  contain: layout;
  transition: width 0.22s ease, padding 0.22s ease;
}

/* Sidebar Top Brand Header */
.rf-sidebar__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.85rem;
  padding: 0 0.25rem;
}

.rf-brand {
  display: flex;
  align-items: center;
  text-decoration: none;
  gap: 0.6rem;
}

.rf-brand-wordmark {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--c-text);
  letter-spacing: -0.015em;
}

.rf-sidebar-toggle-btn {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--c-text-muted);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.rf-sidebar-toggle-btn:hover {
  background: var(--c-bg-subtle);
  color: var(--c-text);
}

/* Claude "+ Yeni Sohbet" Prominent Pill Button */
.rf-sidebar__newchat-wrap {
  margin-bottom: 1rem;
}

.rf-btn-newchat {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 0.65rem 1rem;
  border-radius: var(--radius-full);
  background: var(--c-surface);
  border: 1px solid var(--c-border-control);
  color: var(--c-text);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 550;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
  cursor: pointer;
  transition: all 0.16s ease;
}

.rf-btn-newchat:hover {
  background: var(--c-surface-hover);
  border-color: var(--c-accent);
  color: var(--c-accent);
  transform: translateY(-1px);
  box-shadow: 0 3px 8px rgba(166, 75, 39, 0.1);
}

.rf-btn-newchat:active {
  transform: translateY(0);
}

.rf-btn-newchat .q-icon {
  width: 16px;
  height: 16px;
}

/* Recent Chats Section (Claude style live list) */
.rf-sidebar__recents {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
  margin-bottom: 0.75rem;
}

.rf-sidebar__recents-head {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  color: var(--c-text-subtle);
  padding: 0.4rem 0.5rem 0.35rem;
}

.rf-sidebar__recents-list {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  gap: 2px;
  scrollbar-width: thin;
}

.rf-sidebar-nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.rf-sidebar-nav-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0.45rem 0.65rem;
  border-radius: var(--radius-sm);
  color: var(--c-text-muted);
  text-decoration: none;
  font-size: 0.84rem;
  font-weight: 450;
  transition: all 0.14s ease;
  line-height: 1.35;
}

.rf-sidebar-nav-item:hover {
  background: var(--c-bg-subtle);
  color: var(--c-text);
}

.rf-sidebar-nav-item.is-active,
.rf-sidebar-nav-item[aria-current="true"] {
  background: color-mix(in srgb, var(--c-accent-soft) 85%, transparent);
  color: var(--c-text);
  font-weight: 550;
}

.rf-sidebar-chat-icon {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  opacity: 0.55;
}

.rf-sidebar-nav-title {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.rf-sidebar__empty-recents {
  font-size: 0.8rem;
  color: var(--c-text-subtle);
  padding: 0.6rem 0.5rem;
  font-style: italic;
}

/* Secondary Navigation Group */
.rf-sidebar__nav-group {
  border-top: 1px solid var(--c-border);
  padding-top: 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.rf-sidebar__nav-group .q-nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0.45rem 0.65rem;
  border-radius: var(--radius-sm);
  font-size: 0.84rem;
  color: var(--c-text-muted);
  text-decoration: none;
  transition: all 0.14s ease;
  border: none !important;
  background: transparent !important;
  cursor: pointer;
}

.rf-sidebar__nav-group .q-nav-item:hover {
  background: var(--c-bg-subtle) !important;
  color: var(--c-text);
}

.rf-sidebar__nav-group .q-nav-item[aria-current="page"] {
  background: var(--c-accent-soft) !important;
  color: var(--c-accent-soft-fg) !important;
  font-weight: 600;
}

.rf-sidebar__nav-group .q-nav-item .q-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* Sidebar Footer / User Profile */
.rf-sidebar__footer {
  border-top: 1px solid var(--c-border);
  padding-top: 0.65rem;
  margin-top: auto;
}

.rf-account-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 0.45rem 0.65rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  background: transparent;
  cursor: pointer;
  text-align: left;
  color: var(--c-text);
  transition: background-color 0.15s ease;
}

.rf-account-btn:hover {
  background: var(--c-bg-subtle);
}

.rf-account-name {
  font-size: 0.84rem;
  font-weight: 550;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Collapsed Sidebar on Desktop */
@media (min-width: 1024px) {
  .rf-shell.rf-sidebar-collapsed .rf-sidebar {
    width: 68px;
    padding: 1rem 0.4rem;
    align-items: center;
  }

  .rf-shell.rf-sidebar-collapsed .rf-brand-wordmark,
  .rf-shell.rf-sidebar-collapsed .rf-btn-newchat span,
  .rf-shell.rf-sidebar-collapsed .rf-sidebar__recents,
  .rf-shell.rf-sidebar-collapsed .rf-sidebar__nav-group .q-nav-item span,
  .rf-shell.rf-sidebar-collapsed .rf-account-name {
    display: none !important;
  }

  .rf-shell.rf-sidebar-collapsed .rf-btn-newchat {
    width: 44px;
    height: 44px;
    padding: 0;
  }

  .rf-shell.rf-sidebar-collapsed .rf-sidebar__nav-group .q-nav-item {
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 0;
  }

  .rf-shell.rf-sidebar-collapsed .rf-account-btn {
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 0;
  }
}

/* Mobile Off-Canvas Drawer */
@media (max-width: 1023px) {
  .q-shell > .rf-sidebar,
  .rf-sidebar {
    display: flex !important;
    position: fixed;
    inset: 0 auto 0 0;
    width: 280px;
    z-index: 500;
    background: var(--c-surface-raised, #ffffff);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    transform: translateX(-105%);
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .q-shell > .rf-sidebar.is-open,
  .rf-sidebar.is-open {
    transform: translateX(0);
  }
}

/* Topbar Mobile */
.rf-topbar {
  display: flex;
  align-items: center;
  padding: var(--space-2) var(--space-4);
  background: var(--c-bg);
  border-bottom: 1px solid var(--c-border);
}

.rf-lockup--dark {
  display: none !important;
}

[data-theme="dark"] .rf-lockup--dark {
  display: inline-block !important;
}

[data-theme="dark"] .rf-lockup--light {
  display: none !important;
}

/* ============================================================
   2. CENTRAL CONVERSATION STREAM (CLAUDE MEASURE)
   ============================================================ */
.rf-main {
  flex: 1 1 auto;
  height: 100%;
  max-height: 100dvh;
  min-width: 0;
  max-width: 100%;
  display: flex;
  flex-direction: column;
  position: relative;
  background-color: var(--c-bg);
  overflow: hidden;
}

.rf-view {
  flex: 1 1 auto;
  height: 100%;
  max-height: 100%;
  display: flex;
  flex-direction: column;
  min-width: 0;
  max-width: 100%;
  overflow: hidden;
  position: relative;
}

.rf-view[hidden] {
  display: none !important;
}

.rf-chathead {
  flex: 0 0 auto;
  height: 52px;
  min-height: 52px;
  padding: 0 1.25rem;
  border-bottom: 1px solid var(--c-border);
  display: flex;
  align-items: center;
  background: var(--c-bg);
  z-index: 10;
  box-sizing: border-box;
}

.rf-chattitle {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--c-text-muted);
  letter-spacing: 0.01em;
  margin: 0;
}

.rf-scroll {
  flex: 1 1 auto;
  height: 100%;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  overscroll-behavior: contain;
  scroll-behavior: smooth;
  padding: 1.5rem 1.25rem 1.5rem;
  max-width: 48rem;
  width: 100%;
  margin: 0 auto;
  box-sizing: border-box;
}

@media (max-width: 1023px) {
  .rf-scroll {
    padding: 1rem 0.85rem 1.25rem;
  }
}

.rf-thread {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  overflow-x: hidden;
}

/* Messages */
.q-msg {
  display: flex;
  gap: 1rem;
  min-width: 0;
  max-width: 100%;
  overflow-x: hidden;
}

.q-msg--user {
  flex-direction: row-reverse;
}

.q-bubble {
  min-width: 0;
  box-sizing: border-box;
}

/* User Message Pill (Claude style clean capsule) */
.q-msg--user .q-bubble--user {
  background: var(--c-surface-raised, #ffffff);
  border: 1px solid var(--c-border);
  padding: 0.85rem 1.25rem;
  border-radius: 20px 20px 4px 20px;
  font-family: var(--font-sans);
  font-size: 0.975rem;
  line-height: 1.55;
  color: var(--c-text);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
  max-width: min(85%, 36rem);
  margin-left: auto;
  white-space: pre-wrap;
}

/* Assistant Message (Full reading measure, zero clutter) */
.q-bubble--assistant {
  padding-top: 2px;
  flex: 1;
  max-width: 100%;
  width: 100%;
}

/* Clean, Dignified Single Assistant Avatar (No Duplicate Badge) */
.rf-avatar--assistant {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, #FAF8F4 0%, #F3EFE8 100%);
  border: 1px solid #D4AF37;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 1px 3px rgba(212, 175, 55, 0.2);
  flex-shrink: 0;
}

[data-theme="dark"] .rf-avatar--assistant {
  background: linear-gradient(135deg, #27272a 0%, #18181b 100%);
  border-color: #8F6B32;
}

.rf-avatar-glyph {
  color: #8F6B32;
  font-size: 0.8rem;
  line-height: 1;
  font-weight: 600;
}

[data-theme="dark"] .rf-avatar-glyph {
  color: #E5C07B;
}

/* ============================================================
   3. CLAUDE-STANDARD CLEAN & ELEGANT TYPOGRAPHY
   ============================================================ */
.rf-md, .msg-md {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 1.03125rem;
  line-height: 1.68;
  letter-spacing: -0.011em;
  color: var(--c-text);
  text-wrap: pretty;
  min-width: 0;
  max-width: 100%;
  overflow-x: hidden;
  overflow-wrap: break-word;
  word-break: break-word;
}

/* Modern Prose Paragraphs */
.rf-md p, .msg-md p {
  margin-top: 0;
  margin-bottom: 1.15rem;
  line-height: 1.68;
}

/* Modern Clean Headings */
.rf-md h1, .msg-md h1 {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-weight: 650;
  letter-spacing: -0.02em;
  font-size: 1.45rem;
  padding-bottom: 0.35rem;
  margin-top: 1.75rem;
  margin-bottom: 0.75rem;
  color: var(--c-text);
}

.rf-md h2, .msg-md h2 {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  margin-top: 1.4rem;
  margin-bottom: 0.65rem;
  color: var(--c-text);
}

.rf-md h3, .msg-md h3 {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-top: 1.2rem;
  margin-bottom: 0.5rem;
  color: var(--c-text);
}

/* TeX Lists (Enumerate & Itemize) */
.rf-md ol, .rf-md ul, .msg-md ol, .msg-md ul {
  padding-left: 1.6rem;
  margin: 1.1rem 0;
  line-height: 1.75;
}

.rf-md li, .msg-md li {
  margin-bottom: 0.45rem;
}

/* LaTeX Booktabs Tables (\toprule, \midrule, \bottomrule) */
.rf-md table, .msg-md table {
  width: 100%;
  margin: 1.6rem 0;
  border-top: 2px solid var(--c-text) !important;
  border-bottom: 2px solid var(--c-text) !important;
  border-left: none !important;
  border-right: none !important;
  border-collapse: collapse !important;
  font-size: 0.95rem;
  line-height: 1.55;
  display: table !important;
}

.rf-md th, .msg-md th {
  font-family: var(--font-serif);
  font-variant: small-caps;
  letter-spacing: 0.05em;
  font-weight: 600;
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--c-border-strong) !important;
  border-top: none !important;
  border-left: none !important;
  border-right: none !important;
  color: var(--c-text);
  background: transparent;
}

.rf-md td, .msg-md td {
  padding: 0.65rem 1rem;
  border: none !important;
  vertical-align: top;
  color: var(--c-text);
}

.rf-md tr:hover td, .msg-md tr:hover td {
  background: var(--c-bg-subtle);
}

/* LaTeX Theorem / Definition / Blockquote Pullout */
.rf-md blockquote, .msg-md blockquote {
  position: relative;
  margin: 1.5rem 0;
  padding: 1rem 1.4rem;
  background: color-mix(in srgb, var(--c-surface) 94%, #D4AF37);
  border-left: 3px solid #D4AF37 !important;
  border-radius: 0 8px 8px 0;
  font-style: italic;
  font-size: 1.02rem;
  line-height: 1.7;
  color: var(--c-text);
}

[data-theme="dark"] .rf-md blockquote,
[data-theme="dark"] .msg-md blockquote {
  background: color-mix(in srgb, var(--c-surface) 92%, #8F6B32);
}

/* LaTeX Code Listings (listings package style) */
.rf-md pre, .msg-md pre {
  background: #18181b !important;
  color: #f4f4f5 !important;
  border: 1px solid #27272a !important;
  border-radius: 10px !important;
  padding: 1.15rem 1.35rem !important;
  font-family: 'JetBrains Mono Variable', 'JetBrains Mono', 'SF Mono', Consolas, monospace !important;
  font-size: 0.875rem !important;
  line-height: 1.6 !important;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
  margin: 1.5rem 0 !important;
  max-width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  white-space: pre;
  box-sizing: border-box;
}

.rf-md code, .msg-md code {
  font-family: 'JetBrains Mono Variable', 'JetBrains Mono', 'SF Mono', Consolas, monospace !important;
  font-size: 0.88em;
  padding: 0.2em 0.4em;
  background: var(--c-bg-subtle);
  border: 1px solid var(--c-border);
  border-radius: 4px;
  color: var(--c-text);
}

.rf-md pre code, .msg-md pre code {
  background: transparent !important;
  border: none !important;
  padding: 0 !important;
  color: inherit !important;
}

/* End of response spacer */
.rf-md:not([data-streaming="true"])::after {
  content: "";
  display: block;
}

/* ============================================================
   4. CLAUDE-STYLE THINKING INDICATOR WITH ANIMATED INFINITY 8
   ============================================================ */
.q-thinking {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--c-text-muted);
  font-size: 0.9375rem;
  padding: 0.4rem 0;
}

.q-thinking-infinity {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  filter: drop-shadow(0 0 6px rgba(212, 175, 55, 0.4));
  vertical-align: middle;
}

.rf-thinking-svg {
  display: block;
  overflow: visible;
}

.rf-thinking-track {
  animation: rf-track-glow 2.2s infinite ease-in-out;
}

@keyframes rf-track-glow {
  0%, 100% { opacity: 0.35; stroke-width: 4.5; }
  50% { opacity: 0.75; stroke-width: 5.2; }
}

.q-thinking-pulse {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.q-thinking-pulse span {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #D4AF37;
  animation: q-thinking-blink 1.4s infinite ease-in-out both;
}

.q-thinking-pulse span:nth-child(1) { animation-delay: -0.32s; }
.q-thinking-pulse span:nth-child(2) { animation-delay: -0.16s; }
.q-thinking-pulse span:nth-child(3) { animation-delay: 0s; }

@keyframes q-thinking-blink {
  0%, 80%, 100% { opacity: 0.2; transform: scale(0.8); }
  40% { opacity: 1; transform: scale(1.2); }
}

/* ============================================================
   5. FLOATING COMPOSER DOCK (CLAUDE CAPSULE)
   ============================================================ */
.rf-dock {
  flex: 0 0 auto;
  width: 100%;
  position: relative;
  bottom: 0;
  z-index: 20;
  padding: 0.75rem 1.25rem 1rem;
  background: linear-gradient(180deg, rgba(250, 248, 244, 0) 0%, var(--c-bg) 35%);
  box-sizing: border-box;
}

[data-theme="dark"] .rf-dock {
  background: linear-gradient(180deg, rgba(24, 24, 27, 0) 0%, var(--c-bg) 35%);
}

@media (max-width: 1023px) {
  .rf-dock {
    padding: 0.5rem 0.75rem calc(0.5rem + env(safe-area-inset-bottom, 0px));
  }
  .q-bottomnav {
    display: none !important;
  }
}

.rf-dock__in {
  max-width: 48rem;
  width: 100%;
  margin: 0 auto;
}

.rf-composer {
  display: flex;
  align-items: center;
  background: var(--c-surface);
  border: 1px solid var(--c-border-control);
  border-radius: 22px;
  padding: 0.5rem 0.85rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  backdrop-filter: blur(16px);
  transition: border-color var(--dur-fast) ease, box-shadow var(--dur-fast) ease;
}

.rf-composer:focus-within {
  border-color: var(--c-accent);
  box-shadow: 0 0 0 2px var(--c-focus), 0 6px 24px rgba(166, 75, 39, 0.12);
}

.rf-composer textarea {
  flex: 1;
  border: none;
  background: transparent;
  padding: var(--space-2) var(--space-3);
  font-size: 1rem;
  font-family: inherit;
  color: var(--c-text);
  resize: none;
  outline: none;
  line-height: 1.5;
}

#send-btn {
  background-color: var(--c-accent) !important;
  color: var(--c-accent-fg) !important;
  border-radius: var(--radius-full);
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 4px rgba(166, 75, 39, 0.2);
  transition: transform var(--dur-fast) ease, background-color var(--dur-fast) ease;
}

#send-btn:hover {
  transform: scale(1.04);
  background-color: var(--c-accent-hover) !important;
}

#send-btn:active {
  transform: scale(0.96);
}

.rf-foot {
  text-align: center;
  font-size: 0.72rem;
  color: var(--c-text-subtle);
  margin-top: var(--space-2);
  letter-spacing: 0.01em;
}

/* Empty State */
.rf-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-8) var(--space-4);
  margin: auto 0;
}

.rf-empty__mark {
  margin-bottom: var(--space-5);
  display: inline-flex;
  opacity: 0.95;
}

.rf-empty__title {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin-bottom: var(--space-3);
  color: var(--c-text);
}

.rf-empty__text {
  font-size: 1.05rem;
  color: var(--c-text-muted);
  line-height: 1.6;
  max-width: 28rem;
  margin-bottom: var(--space-7);
}

.rf-starters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
  max-width: 38rem;
}

.rf-starter-btn {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 450;
  color: var(--c-text);
  cursor: pointer;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.02);
  transition: all var(--dur-fast) ease;
}

.rf-starter-btn:hover {
  background: var(--c-bg-subtle);
  border-color: var(--c-border-strong);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

/* Interactive Suggestion Chips (Next Moves) */
.rf-next {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
  margin-bottom: 0.5rem;
  padding: 0;
  max-width: 100%;
}

.rf-next .next-move {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  color: var(--c-text);
  border-radius: var(--radius-full) !important;
  padding: 0.45rem 1rem !important;
  font-size: 0.8125rem !important;
  font-weight: 500 !important;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
  transition: all var(--dur-fast) ease;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  line-height: 1.4;
  white-space: normal;
  text-align: left;
}

.rf-next .next-move:hover {
  background: var(--c-surface-hover);
  border-color: var(--c-accent);
  color: var(--c-accent);
  box-shadow: 0 2px 6px rgba(166, 75, 39, 0.12);
  transform: translateY(-1px);
}

/* Response Action Toolbar (Copy, Read Aloud, Like, Retry) */
.msg-tools.q-msg__actions {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 0.65rem;
  padding: 0.2rem 0;
  opacity: 0.8;
  transition: opacity var(--dur-fast) ease;
}

.q-msg:hover .msg-tools.q-msg__actions,
.q-msg:focus-within .msg-tools.q-msg__actions {
  opacity: 1;
}

@media (hover: none) {
  .msg-tools.q-msg__actions {
    opacity: 1;
  }
}

.msg-tools .tool-btn {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm, 6px);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--c-text-muted);
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  transition: background-color var(--dur-fast) ease, color var(--dur-fast) ease;
}

.msg-tools .tool-btn:hover {
  background: var(--c-bg-subtle);
  color: var(--c-text);
}

.msg-tools .tool-btn svg {
  width: 15px;
  height: 15px;
}

/* ============================================================
   6. RAFIKA INFINITY LOGO (HARDWARE ACCELERATED & RESPONSIVE)
   ============================================================ */
.rf-brand--infinity {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 32px;
  padding: 0;
  text-decoration: none !important;
}

.rf-infinity-logo-wrap {
  position: relative;
  width: 40px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  --rf-audio-amp: 0.0;
  contain: layout style;
}

.rf-infinity-svg {
  width: 100%;
  height: 100%;
  overflow: visible;
  display: block;
  pointer-events: none;
  transform-origin: 50% 50%;
  transition: transform 0.24s cubic-bezier(0.16, 1, 0.3, 1), filter 0.24s ease;
  will-change: transform, filter;
}

/* Idle State: Serene luxury sheen, LED hidden */
.rf-infinity-logo-wrap[data-state="idle"] .rf-infinity-svg {
  transform: scale(1.0);
  filter: drop-shadow(0 0 1px rgba(212, 175, 55, 0.15));
}
.rf-infinity-logo-wrap[data-state="idle"] .rf-led-orb-container {
  display: none !important;
  opacity: 0;
}

/* Listening State: Gentle rhythmic breathing */
.rf-infinity-logo-wrap[data-state="listening"] .rf-infinity-svg,
.rf-infinity-logo-wrap.rf-is-listening .rf-infinity-svg {
  animation: rf-infinity-breathe 3.2s ease-in-out infinite;
}
.rf-infinity-logo-wrap[data-state="listening"] .rf-led-orb-container {
  display: none !important;
  opacity: 0;
}

@keyframes rf-infinity-breathe {
  0%, 100% {
    transform: scale(0.98);
    filter: drop-shadow(0 0 2px rgba(212, 175, 55, 0.2));
  }
  50% {
    transform: scale(1.06);
    filter: drop-shadow(0 0 8px rgba(212, 175, 55, 0.65)) drop-shadow(0 0 16px rgba(255, 253, 245, 0.35));
  }
}

/* Thinking State: Luminous single LED traveling along ribbon */
.rf-infinity-logo-wrap[data-state="thinking"] .rf-infinity-svg,
.rf-infinity-logo-wrap.rf-is-thinking .rf-infinity-svg {
  filter: drop-shadow(0 0 5px rgba(212, 175, 55, 0.45));
}
.rf-infinity-logo-wrap[data-state="thinking"] .rf-led-orb-container,
.rf-infinity-logo-wrap.rf-is-thinking .rf-led-orb-container {
  display: block !important;
  opacity: 1 !important;
}

/* Speaking State: Audio-reactive brightness and pulse */
.rf-infinity-logo-wrap[data-state="speaking"] .rf-infinity-svg,
.rf-infinity-logo-wrap.rf-is-speaking .rf-infinity-svg {
  transform: scale(calc(1.0 + 0.08 * var(--rf-audio-amp, 0.5)));
  filter: drop-shadow(0 0 calc(3px + 12px * var(--rf-audio-amp, 0.5)) rgba(212, 175, 55, calc(0.4 + 0.6 * var(--rf-audio-amp, 0.5))))
          drop-shadow(0 0 calc(6px + 20px * var(--rf-audio-amp, 0.5)) rgba(255, 253, 245, calc(0.3 + 0.7 * var(--rf-audio-amp, 0.5))));
}

/* Reduced Motion Mode (WCAG Accessibility) */
@media (prefers-reduced-motion: reduce) {
  .rf-infinity-logo-wrap,
  .rf-infinity-svg,
  .rf-led-orb-container {
    animation: none !important;
    transition: none !important;
  }
  .rf-led-orb-container {
    display: none !important;
  }
  .rf-infinity-logo-wrap[data-state="thinking"] .rf-infinity-svg {
    filter: drop-shadow(0 0 6px #D4AF37) !important;
  }
}

/* Voice overlay isolation & z-index stacking */
#voice[hidden], .q-voice[hidden] {
  display: none !important;
  pointer-events: none !important;
  visibility: hidden !important;
}

#voice, .q-voice {
  z-index: var(--z-modal, 500);
}

/* ============================================================
   QANTARA PREMIUM PALETTE · TYPOGRAPHY · SETTINGS CENTER
   ============================================================ */
:root {
  --rf-bg: #121316;
  --rf-surface: #181a1f;
  --rf-card: #1f222a;
  --rf-border: #2a2e38;
  --rf-gold: #c5a059;
  --rf-gold-glow: rgba(197, 160, 89, 0.25);
  --rf-silver: #a8b0b8;
}
/* dark theme adopts the premium palette (explicit dark, or system dark unless light is forced) */
:root[data-theme="dark"] {
  --c-bg: var(--rf-bg); --c-surface: var(--rf-surface); --c-surface-raised: var(--rf-card); --c-bg-subtle: var(--rf-surface);
  --c-border: var(--rf-border); --c-text-muted: var(--rf-silver); --c-accent: var(--rf-gold); --c-focus: var(--rf-gold);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --c-bg: var(--rf-bg); --c-surface: var(--rf-surface); --c-surface-raised: var(--rf-card); --c-bg-subtle: var(--rf-surface);
    --c-border: var(--rf-border); --c-text-muted: var(--rf-silver); --c-accent: var(--rf-gold); --c-focus: var(--rf-gold);
  }
}

html, body {
  font-family: Inter, -apple-system, BlinkMacSystemFont, system-ui, "Segoe UI", sans-serif;
  line-height: 1.6;
  font-kerning: normal;
  font-optical-sizing: auto;
  font-feature-settings: "kern" 1, "liga" 1, "calt" 1, "locl" 1;
  text-rendering: optimizeLegibility;
  -webkit-text-size-adjust: 100%;
}
:lang(tr) { hyphens: manual; }
:lang(tr) :is(h1, h2, h3, .q-label) { text-transform: none; font-variant-caps: normal; }

html[data-font-size="large"] { font-size: 18px; }
html[data-font-size="large"] body { line-height: 1.7; }
html[data-font-size="large"] :is(.rf-md, .msg-md, .q-hint, .q-label, textarea, .q-input) { line-height: 1.7; letter-spacing: 0.005em; }

/* settings grid */
.rf-setgrid { display: grid; grid-template-columns: 1fr; gap: var(--space-6, 24px); align-items: start; }
@media (min-width: 1100px) { .rf-setgrid { grid-template-columns: 1fr 1fr; } .rf-setgrid > .rf-set:first-child { grid-column: 1 / -1; } }
.rf-set { margin: 0 0 var(--space-6, 24px); min-width: 0; }
.rf-setgrid > .rf-set { margin: 0; }
.rf-set > h2 { margin: 0 0 12px; letter-spacing: 0.01em; }
.rf-card { background: var(--c-surface-raised, var(--rf-card)); border: 1px solid var(--c-border); border-radius: 14px; padding: 4px 18px; }
.rf-card > .rf-row, .rf-card > p, .rf-card > .rf-voices, .rf-card > .rf-authform { padding: 14px 0; margin: 0; }
.rf-card > * + * { border-top: 1px solid var(--c-border); }
.rf-row { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.rf-row > .q-grow { min-width: 180px; }
.rf-row--actions { gap: 10px; }
.rf-card .q-hint { color: var(--c-text-muted); margin: 2px 0 0; }
.rf-authform { display: grid; gap: 12px; }
.rf-authform .q-field { display: grid; gap: 6px; }
.rf-authtabs { margin: 8px 0 4px; display: flex; width: 100%; }
.rf-authtabs button { flex: 1; }

/* form inputs */
.rf-card :is(.q-input, select) {
  width: 100%; min-height: 44px; border-radius: 10px; background: var(--rf-bg); color: inherit;
  border: 1px solid var(--rf-border); padding: 0 14px; font: inherit; font-size: 16px; /* >=16px: no iOS zoom */
}
:root[data-theme="light"] .rf-card :is(.q-input, select) { background: var(--c-surface); border-color: var(--c-border); }
.rf-card :is(.q-input, select):focus-visible { outline: none; border-color: var(--rf-gold); box-shadow: 0 0 0 3px var(--rf-gold-glow); }
.rf-modelpick { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; min-width: 0; max-width: 100%; }
.rf-modelpick select { width: auto; max-width: 100%; }

/* live status badge */
.rf-live { display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; border-radius: 999px; font-size: 0.8125rem; font-weight: 600; border: 1px solid var(--c-border); color: var(--rf-silver); }
.rf-live i { font-style: normal; font-size: 0.7em; }
.rf-live[data-state="online"] { color: #5fcf8f; border-color: rgba(95, 207, 143, .4); }
.rf-live[data-state="online"] i { filter: drop-shadow(0 0 4px rgba(95, 207, 143, .7)); }
.rf-live[data-state="offline"] { color: #e5766f; border-color: rgba(229, 118, 111, .4); }

/* segmented controls + switches in gold */
.q-segmented button[aria-pressed="true"], .q-segmented button[aria-selected="true"] { background: var(--rf-card); color: var(--rf-gold); box-shadow: inset 0 0 0 1px var(--rf-gold), 0 0 12px var(--rf-gold-glow); }
:root[data-theme="light"] .q-segmented button[aria-pressed="true"] { background: var(--c-surface-raised); color: #7a5c1f; box-shadow: inset 0 0 0 1px #c5a059; }
.q-segmented button { min-width: 44px; min-height: 40px; }
.q-segmented button:focus-visible { outline: 2px solid var(--rf-gold); outline-offset: 2px; }
.q-toggle input:checked + .q-toggle__track { background: var(--rf-gold); }

.rf-miclevel { height: 8px; margin: 0 0 12px; border-radius: 99px; background: var(--rf-border); overflow: hidden; }
.rf-miclevel i { display: block; height: 100%; width: 0; background: var(--rf-gold); box-shadow: 0 0 10px var(--rf-gold-glow); transition: width 60ms linear; }

/* "Düşünce Süreci" block */
.rf-think { margin: 0 0 12px; border: 1px solid var(--c-border); border-radius: 10px; background: color-mix(in srgb, var(--c-surface) 70%, transparent); color: var(--c-text-muted); font-size: 0.9em; }
.rf-think__sum { cursor: pointer; padding: 8px 12px; font-weight: 600; color: var(--rf-gold); list-style: none; }
.rf-think__sum::-webkit-details-marker { display: none; }
.rf-think__sum::before { content: "◦ "; }
.rf-think[open] > .rf-think__sum::before { content: "● "; }
.rf-think__body { padding: 0 12px 10px; white-space: pre-wrap; line-height: 1.55; }

/* mobile keyboard: the composer stays pinned, chrome gets out of the way */
@media (max-width: 1023px) {
  .rf-shell.rf-kb { height: var(--rf-vh, 100dvh); max-height: var(--rf-vh, 100dvh); }
  .rf-kb .rf-bottomnav, .rf-kb .rf-topbar { display: none; }
  .rf-kb .rf-dock { position: sticky; bottom: 0; padding-bottom: 8px; }
  .rf-dock { padding-bottom: max(8px, env(safe-area-inset-bottom)); }
  .rf-dock textarea, .rf-composer textarea { font-size: 16px; }
}

/* ============================================================
   LIGHT (SABAH) THEME · QANTARA STANDARD
   ============================================================ */
:root[data-theme="light"] {
  --rf-bg: #f8f8f5;
  --rf-surface: #ffffff;
  --rf-card: #f2f1eb;
  --rf-border: #dedcd4;
  --rf-text: #18191c;
  --rf-text-muted: #646873;
  --rf-gold: #a67c2e;
  --rf-gold-glow: rgba(166, 124, 46, 0.18);
  --rf-silver: #8c949f;
  --c-bg: var(--rf-bg); --c-bg-subtle: var(--rf-card); --c-surface: var(--rf-surface); --c-surface-raised: var(--rf-surface);
  --c-surface-sunken: var(--rf-card);
  --c-border: var(--rf-border); --c-border-strong: #c9c5b8; --c-border-control: #a9a699;
  --c-text: var(--rf-text); --c-text-muted: var(--rf-text-muted); --c-text-subtle: #70747f;
  --c-accent: var(--rf-gold); --c-focus: var(--rf-gold);
  --shadow-sm: 0 1px 3px rgba(60, 48, 20, 0.08);
}
:root[data-theme="light"] body { background: var(--rf-bg); color: var(--rf-text); }
:root[data-theme="light"] .rf-topbar { background: rgba(248, 248, 245, 0.92); border-bottom-color: var(--rf-border); backdrop-filter: blur(12px); }
:root[data-theme="light"] .rf-composer { background: var(--rf-surface); border-color: var(--rf-border); box-shadow: 0 4px 20px rgba(60, 48, 20, 0.07); }
:root[data-theme="light"] .rf-composer:focus-within { border-color: var(--rf-gold); box-shadow: 0 0 0 2px var(--rf-gold-glow), 0 6px 24px rgba(166, 124, 46, 0.14); }
:root[data-theme="light"] .rf-composer textarea { color: var(--rf-text); }
:root[data-theme="light"] .rf-composer textarea::placeholder { color: var(--rf-text-muted); opacity: 1; }
:root[data-theme="light"] .rf-composer .q-iconbtn { color: var(--rf-text-muted); }
:root[data-theme="light"] .rf-composer .q-iconbtn:hover { color: var(--rf-gold); background: var(--rf-gold-glow); }
:root[data-theme="light"] .rf-composer .q-iconbtn--filled { background: var(--rf-gold); color: #fff; }
:root[data-theme="light"] .q-msg--user .q-bubble--user { background: var(--rf-card); border-color: var(--rf-border); color: var(--rf-text); box-shadow: 0 1px 3px rgba(60, 48, 20, 0.05); }
:root[data-theme="light"] .rf-foot { color: var(--rf-text-muted); }
:root[data-theme="light"] .q-icon { color: currentColor; }

/* greeting + suggestion cards */
:root[data-theme="light"] .rf-empty__title { color: var(--rf-text); }
:root[data-theme="light"] .rf-empty__text { color: var(--rf-text-muted); }
.rf-starter, .rf-starter-btn { transition: border-color var(--dur-fast) ease, box-shadow var(--dur-fast) ease, transform var(--dur-fast) ease, background var(--dur-fast) ease; }
:root[data-theme="light"] .rf-starter, :root[data-theme="light"] .rf-starter-btn {
  background: var(--rf-surface); color: var(--rf-text); border: 1px solid var(--rf-border); box-shadow: 0 1px 3px rgba(60, 48, 20, 0.05);
}
:root[data-theme="light"] .rf-starter:hover, :root[data-theme="light"] .rf-starter-btn:hover,
:root[data-theme="light"] .rf-starter:focus-visible, :root[data-theme="light"] .rf-starter-btn:focus-visible {
  background: #fffdf8; border-color: var(--rf-gold); transform: translateY(-2px); box-shadow: 0 0 0 1px var(--rf-gold), 0 8px 22px var(--rf-gold-glow);
}
:root[data-theme="dark"] .rf-starter:hover, :root[data-theme="dark"] .rf-starter-btn:hover { border-color: var(--rf-gold); box-shadow: 0 0 0 1px var(--rf-gold), 0 8px 22px var(--rf-gold-glow); }

/* social sign-in */
.rf-social { margin-top: var(--space-4, 16px); }
.rf-social__sep { display: flex; align-items: center; gap: 12px; color: var(--c-text-muted); font-size: 0.8125rem; margin-bottom: 12px; }
.rf-social__sep::before, .rf-social__sep::after { content: ""; flex: 1; height: 1px; background: var(--c-border); }
.rf-social__row { display: flex; flex-direction: column; gap: 8px; }
.rf-social__btn { display: flex; align-items: center; justify-content: center; gap: 10px; width: 100%; min-height: 44px; }
.rf-social__btn svg { flex: none; }
.rf-social__btn:hover:not(:disabled) { border-color: var(--rf-gold); }