/* ============================================================
   إداراتي — Moroccan Government Chatbot Theme
   Zellige-inspired · cool grey · bilingual · proud
   ============================================================ */

   @import url('https://fonts.googleapis.com/css2?family=Cairo:wght@400;600;700;800&family=Lora:wght@400;600&display=swap');

   .light .logo { content: url('/public/logo-light.png'); }
   .dark .logo  { content: url('/public/logo-dark.png'); }
   
   /* ── Design Tokens ───────────────────────────────────────────── */
   :root {
     --color-primary:       #595959;
     --color-primary-light: #7A7A7A;
     --color-primary-glow:  rgba(89,89,89,0.15);
     --color-sand:          #EFEFEF;
     --color-sand-light:    #F7F7F7;
     --color-ochre:         #888888;
     --color-navy:          #0D2233;
     --color-ivory:         #F8F8F8;
     --color-bubble-bot:    #EEEEEE;
     --color-bubble-user:   #595959;
     --color-surface:       #FFFFFF;
     --color-border:        #E0E0E0;
     --color-muted:         #909090;
   
     --font-arabic: 'Cairo', 'Noto Naskh Arabic', sans-serif;
     --font-latin:  'Lora', 'DM Serif Display', serif;
   
     --radius-pill:   9999px;
     --radius-card:   16px;
     --radius-bubble: 18px;
     --shadow-card:   0 4px 24px rgba(89,89,89,0.10);
     --shadow-float:  0 8px 40px rgba(89,89,89,0.18);
     --shadow-sm:     0 1px 4px rgba(0,0,0,0.04);
   
     --idarati-top-bar-height: 128px;
     --idarati-minister-inset-left: 52px;
   
     --composer-bg:           #FFFFFF;
     --composer-border:       #D4D4D4;
     --composer-border-soft:  #E0E0E0;
     --composer-shadow:       0 2px 8px rgba(13, 34, 51, 0.06), 0 12px 32px rgba(89, 89, 89, 0.08);
     --composer-shadow-focus: 0 0 0 3px rgba(89, 89, 89, 0.12), 0 4px 16px rgba(89, 89, 89, 0.14), 0 16px 48px rgba(13, 34, 51, 0.08);
     --composer-pad-y:        14px;
     --composer-pad-x:        18px;
     --composer-gap:          10px;
     --composer-radius:       18px;
   
     --surface-inset:         color-mix(in srgb, var(--color-surface) 86%, var(--color-border));
     --composer-inner-bg:     color-mix(in srgb, var(--composer-bg) 86%, var(--composer-border));
     --starter-inset-bg:      color-mix(in srgb, var(--color-sand) 86%, var(--color-border));
     --bubble-bot-inset:      color-mix(in srgb, var(--color-bubble-bot) 88%, var(--color-border));
     --bubble-user-face:      color-mix(in srgb, var(--color-bubble-user) 88%, #000000);
     --tool-card-inset:       color-mix(in srgb, var(--color-sand-light) 86%, var(--color-border));
     --primary-button-face:   color-mix(in srgb, var(--color-primary) 88%, #0a0a0a);
     --primary-button-active: color-mix(in srgb, var(--color-primary) 78%, #000000);
   }
   
   @supports not (background-color: color-mix(in srgb, white 50%, black)) {
     :root {
       --surface-inset:       #F0F0F0;
       --composer-inner-bg:   #F5F5F5;
       --starter-inset-bg:    #E8E8E8;
       --bubble-bot-inset:    #E5E5E5;
       --bubble-user-face:    #404040;
       --tool-card-inset:     #EBEBEB;
       --primary-button-face: #404040;
       --primary-button-active: #2e2e2e;
     }
     .dark {
       --surface-inset:       #101010;
       --composer-inner-bg:   #292929;
       --starter-inset-bg:    #151515;
       --bubble-bot-inset:    #141414;
       --bubble-user-face:    #3a3a3a;
       --tool-card-inset:     #0E0E0E;
       --primary-button-face: #3a3a3a;
       --primary-button-active: #2a2a2a;
     }
     .action-button:hover,
     [class*="action"] button:hover {
       background: var(--color-sand-light) !important;
     }
     .dark .action-button:hover,
     .dark [class*="action"] button:hover {
       background: #1A1A1A !important;
     }
   }
   
   /* ── Accessibility ───────────────────────────────────────────── */
   @media (prefers-reduced-motion: reduce) {
     *, *::before, *::after {
       animation-duration: 0.01ms !important;
       animation-iteration-count: 1 !important;
       transition-duration: 0.01ms !important;
     }
   }
   
   /* ── 1. PAGE BACKGROUND ──────────────────────────────────────── */
   body, html {
     font-family: var(--font-arabic) !important;
     direction: rtl;
     background: var(--color-ivory) !important;
     -webkit-font-smoothing: antialiased;
     -moz-osx-font-smoothing: grayscale;
   }
   
   /* Zellige tessellation overlay */
   .idarati-zellige-overlay {
     position: fixed;
     inset: 0;
     background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60'%3E%3Crect x='13' y='13' width='34' height='34' transform='rotate(45 30 30)' fill='none' stroke='%23595959' stroke-width='0.5'/%3E%3Crect x='13' y='13' width='34' height='34' fill='none' stroke='%23595959' stroke-width='0.5'/%3E%3C/svg%3E");
     background-size: 60px 60px;
     opacity: 0.06;
     pointer-events: none;
     z-index: 0;
   }
   
   /* Corner decorative star motif */
   .idarati-corner-motif {
     position: fixed;
     bottom: -100px;
     left: -100px;
     width: 380px;
     height: 380px;
     opacity: 0.10;
     pointer-events: none;
     z-index: 0;
   }
   
   /* Ministry mark */
   .idarati-minister-logo {
     position: fixed;
     top: env(safe-area-inset-top, 0px);
     left: calc(var(--idarati-minister-inset-left) + env(safe-area-inset-left, 0px));
     height: var(--idarati-top-bar-height);
     width: auto;
     object-fit: contain;
     object-position: left center;
     margin: 0;
     padding: 0;
     border: none;
     background: transparent;
     box-shadow: none;
     outline: none;
     display: block;
     line-height: 0;
     z-index: 9999;
     pointer-events: none;
   }
   
   /* ── Hide Chainlit branding ──────────────────────────────────── */
   a[href*="chainlit.io"],
   a[href*="github.com/Chainlit"],
   [class*="watermark"] {
     display: none !important;
   }
   
   /* ── 2. HEADER ───────────────────────────────────────────────── */
   header {
     display: flex !important;
     flex-direction: row !important;
     align-items: center !important;
     min-height: var(--idarati-top-bar-height) !important;
     height: var(--idarati-top-bar-height) !important;
     box-sizing: border-box !important;
     background: var(--color-surface) !important;
     border-bottom: none !important;
     box-shadow: none !important;
     position: relative !important;
   }
   
   header::after {
     content: '';
     position: absolute;
     bottom: 0;
     left: 0;
     right: 0;
     height: 6px;
     background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='6'%3E%3Cpath d='M0,3L4,0L8,3L4,6Z' fill='%23595959' opacity='0.5'/%3E%3Cpath d='M8,3L12,0L16,3L12,6Z' fill='%23888888' opacity='0.35'/%3E%3C/svg%3E");
     background-size: 16px 6px;
     background-repeat: repeat-x;
     z-index: 1;
   }
   
   /* ── 3. WELCOME EMPTY STATE ──────────────────────────────────── */
   #welcome-screen.welcome-screen,
   #welcome-screen {
     margin-top: 0 !important;
     padding-left: max(16px, env(safe-area-inset-left)) !important;
     padding-right: max(16px, env(safe-area-inset-right)) !important;
     padding-block: clamp(8px, 2vh, 20px) !important;
     gap: 20px !important;
     justify-content: center !important;
     align-items: center !important;
     width: 100% !important;
     max-width: 100% !important;
     box-sizing: border-box !important;
   }
   
   #welcome-screen > *:first-child {
     margin-bottom: 0 !important;
   }
   
   /* ── 4. QUICK ACTION CHIPS (Starters) ────────────────────────── */
   #starters {
     direction: rtl !important;
     justify-content: center !important;
     gap: 12px !important;
   }
   
   #starters > *,
   [id^="starter-"] {
     background: var(--starter-inset-bg) !important;
     border: 1.5px solid var(--color-primary) !important;
     border-radius: var(--radius-pill) !important;
     padding: 12px 24px !important;
     font-family: var(--font-arabic) !important;
     font-size: 15px !important;
     font-weight: 700 !important;
     color: var(--color-navy) !important;
     box-shadow: none !important;
     cursor: pointer !important;
     animation: chipIn 0.45s cubic-bezier(.22,1,.36,1) both;
     transition: all 0.25s cubic-bezier(.22,1,.36,1) !important;
   }
   
   #starters > *:nth-child(1) { animation-delay: 0ms; }
   #starters > *:nth-child(2) { animation-delay: 60ms; }
   #starters > *:nth-child(3) { animation-delay: 120ms; }
   #starters > *:nth-child(4) { animation-delay: 180ms; }
   
   @keyframes chipIn {
     from { opacity: 0; transform: translateY(12px); }
     to   { opacity: 1; transform: translateY(0); }
   }
   
   #starters > *:hover,
   [id^="starter-"]:hover {
     transform: translateY(-2px) !important;
     box-shadow: var(--shadow-card) !important;
   }
   
   #starters svg,
   [id^="starter-"] svg,
   #starters img,
   [id^="starter-"] img {
     display: none !important;
   }
   
   /* ── 5. CHAT FOOTER & INPUT BAR (composer) ───────────────────── */
   footer {
     padding: 16px 20px 24px !important;
     margin: 0 !important;
     background: var(--color-ivory) !important;
     border-top: 1px solid var(--composer-border-soft) !important;
     box-sizing: border-box !important;
   }
   
   .composer-container,
   [class*="composer"] {
     background: var(--composer-bg) !important;
     border-radius: var(--composer-radius) !important;
     border: 2px solid var(--composer-border) !important;
     box-shadow: var(--composer-shadow) !important;
     transition: border-color 0.28s ease, box-shadow 0.28s ease, transform 0.2s ease !important;
     margin: 0 auto !important;
     max-width: min(100%, 920px) !important;
   }
   
   .composer-container:focus-within,
   [class*="composer"]:focus-within {
     border-color: var(--color-primary) !important;
     box-shadow: var(--composer-shadow-focus) !important;
     outline: none !important;
   }
   
   .dark #message-composer {
     background-color: var(--composer-bg) !important;
     background: var(--composer-bg) !important;
     border-radius: var(--composer-radius) !important;
     border: 2px solid var(--composer-border) !important;
     box-shadow: var(--composer-shadow) !important;
     transition: border-color 0.28s ease, box-shadow 0.28s ease, transform 0.2s ease !important;
     margin: 0 auto !important;
     max-width: min(100%, 920px) !important;
   }
   
   .dark #message-composer:focus-within {
     border-color: var(--color-primary) !important;
     box-shadow: var(--composer-shadow-focus) !important;
     outline: none !important;
   }
   
   [class*="composer"] [class*="composer"] {
     border: none !important;
     box-shadow: none !important;
     background: transparent !important;
     margin: 0 !important;
     max-width: none !important;
   }
   
   @keyframes idaratiComposerTypePulse {
     0%, 100% {
       border-color: var(--color-primary);
       box-shadow:
         var(--composer-shadow-focus),
         0 0 0 1px rgba(122, 122, 122, 0.15);
     }
     50% {
       border-color: var(--color-primary-light);
       box-shadow:
         0 0 0 4px rgba(122, 122, 122, 0.18),
         0 4px 20px rgba(89, 89, 89, 0.18),
         0 16px 44px rgba(89, 89, 89, 0.1);
     }
   }
   
   .idarati-composer-typing {
     animation: idaratiComposerTypePulse 1.15s ease-in-out infinite !important;
   }
   
   /* Light: typing pulse swaps shell shadow/border and reads as a white/wash flicker — keep bar steady */
   html:not(.dark) #message-composer.idarati-composer-typing {
     animation: none !important;
   }
   
   @media (prefers-reduced-motion: reduce) {
     .idarati-composer-typing {
       animation: none !important;
     }
   }
   
   [class*="composer"] .MuiInputBase-root,
   .composer-container .MuiInputBase-root {
     background: var(--composer-inner-bg) !important;
     padding: var(--composer-pad-y) var(--composer-pad-x) !important;
     border-radius: calc(var(--composer-radius) - 4px) !important;
     align-items: flex-start !important;
     box-shadow: inset 0 2px 4px rgba(13, 34, 51, 0.055) !important;
   }
   
   .composer-container textarea,
   [class*="composer"] textarea,
   [class*="composer"] .MuiInputBase-root textarea {
     direction: rtl !important;
     text-align: right !important;
     font-family: var(--font-arabic) !important;
     font-size: 16px !important;
     font-weight: 500 !important;
     line-height: 1.65 !important;
     color: var(--color-navy) !important;
     background: var(--composer-inner-bg) !important;
     min-height: 52px !important;
     padding-top: 4px !important;
     padding-bottom: 4px !important;
   }
   
   #message-composer textarea {
     direction: rtl !important;
     text-align: right !important;
     font-family: var(--font-arabic) !important;
     font-size: 16px !important;
     font-weight: 500 !important;
     line-height: 1.65 !important;
     color: var(--color-navy) !important;
     min-height: 52px !important;
     padding-top: 4px !important;
     padding-bottom: 4px !important;
   }
   
   .dark #message-composer textarea {
     background: transparent !important;
     border: none !important;
     box-shadow: none !important;
   }
   
   .dark #message-composer textarea:focus,
   .dark #message-composer textarea:focus-visible {
     box-shadow: none !important;
     outline: none !important;
   }
   
   .dark #message-composer > .relative {
     background: transparent !important;
     border: none !important;
     box-shadow: none !important;
   }
   
   /* Light: strip inner focus ring/border on the field only */
   html:not(.dark) #message-composer textarea,
   html:not(.dark) #message-composer textarea:focus,
   html:not(.dark) #message-composer textarea:focus-visible {
     background: transparent !important;
     border: none !important;
     box-shadow: none !important;
     outline: none !important;
   }
   
   html:not(.dark) #message-composer > .relative {
     background: transparent !important;
     border: none !important;
     box-shadow: none !important;
   }
   
   [class*="composer"] form,
   .composer-container form {
     display: flex !important;
     flex-wrap: nowrap !important;
     align-items: flex-end !important;
     gap: var(--composer-gap) !important;
     padding: 10px 12px 12px !important;
   }
   
   [class*="composer"] .MuiIconButton-root,
   .composer-container .MuiIconButton-root {
     color: var(--color-navy) !important;
     background: var(--composer-inner-bg) !important;
     padding: 10px !important;
     min-width: 44px !important;
     min-height: 44px !important;
     border-radius: 12px !important;
     box-shadow: inset 0 1px 2px rgba(13, 34, 51, 0.04) !important;
     transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease !important;
   }
   
   [class*="composer"] .MuiIconButton-root svg,
   .composer-container .MuiIconButton-root svg {
     width: 22px !important;
     height: 22px !important;
     opacity: 1 !important;
   }
   
   [class*="composer"] .MuiIconButton-root:hover,
   .composer-container .MuiIconButton-root:hover {
     background: var(--color-sand-light) !important;
     color: var(--color-primary) !important;
     transform: translateY(-1px);
     box-shadow: var(--shadow-sm);
   }
   
   .dark [class*="composer"] .MuiIconButton-root:hover,
   .dark .composer-container .MuiIconButton-root:hover {
     background: var(--color-sand) !important;
   }
   
   button[type="submit"],
   .send-button,
   button[class*="send"],
   [class*="composer"] button[type="submit"],
   #message-composer button[type="submit"] {
     background: linear-gradient(180deg, var(--color-primary) 0%, var(--primary-button-face) 100%) !important;
     color: #fff !important;
     border: 1px solid color-mix(in srgb, var(--color-primary) 65%, #000000) !important;
     border-radius: 14px !important;
     width: 48px !important;
     height: 48px !important;
     min-width: 48px !important;
     min-height: 48px !important;
     box-shadow:
       inset 0 1px 0 rgba(255, 255, 255, 0.12),
       0 3px 12px rgba(89, 89, 89, 0.28) !important;
     transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease !important;
     flex-shrink: 0 !important;
   }
   
   button[type="submit"] svg,
   .send-button svg,
   button[class*="send"] svg,
   [class*="composer"] button[type="submit"] svg,
   #message-composer button[type="submit"] svg {
     width: 22px !important;
     height: 22px !important;
   }
   
   button[type="submit"]:hover,
   .send-button:hover,
   button[class*="send"]:hover,
   [class*="composer"] button[type="submit"]:hover,
   #message-composer button[type="submit"]:hover {
     background: linear-gradient(180deg, var(--color-primary-light) 0%, var(--color-primary) 100%) !important;
     border-color: color-mix(in srgb, var(--color-primary-light) 55%, #000000) !important;
     transform: scale(1.06) translateY(-1px);
     box-shadow:
       inset 0 1px 0 rgba(255, 255, 255, 0.18),
       0 6px 20px rgba(89, 89, 89, 0.35) !important;
   }
   
   button[type="submit"]:active,
   .send-button:active,
   button[class*="send"]:active {
     background: linear-gradient(180deg, var(--primary-button-active) 0%, var(--primary-button-face) 100%) !important;
     transform: scale(0.98);
   }
   
   button[class*="mic"],
   button[aria-label*="record"],
   button[aria-label*="Record"],
   button[aria-label*="recording"],
   button[aria-label*="Recording"] {
     color: var(--color-primary) !important;
     font-weight: 600 !important;
   }
   
   /* ── 6. CHAT MESSAGES ────────────────────────────────────────── */
   
   .step.user-step .step-content {
     background: linear-gradient(180deg, var(--color-bubble-user) 0%, var(--bubble-user-face) 100%) !important;
     color: white !important;
     border-radius: var(--radius-bubble) var(--radius-bubble) 4px var(--radius-bubble) !important;
     max-width: 72% !important;
     padding: 12px 16px !important;
     font-family: var(--font-arabic) !important;
     direction: rtl !important;
     animation: userMsgIn 0.3s cubic-bezier(.22,1,.36,1) both;
     box-shadow:
       inset 0 1px 0 rgba(255, 255, 255, 0.08),
       0 2px 12px rgba(89,89,89,0.15);
     line-height: 1.75;
     border: 1px solid color-mix(in srgb, var(--color-bubble-user) 55%, #000000) !important;
   }
   
   .step.user-step .step-content *,
   .step.user-step .step-content p,
   .step.user-step .step-content span,
   .step.user-step .step-content div {
     color: white !important;
   }
   
   /* Assistant bubble with inline audio only (e.g. TTS): text is rendered before
      the player in DOM — reverse so short caption sits under the player. */
   .step.assistant-step .step-content:has(.inline-audio) {
     display: flex;
     flex-direction: column-reverse;
     align-items: stretch;
     gap: 0.75rem;
   }
   
   .step.assistant-step .inline-audio > p:empty {
     display: none !important;
   }
   
   .step.assistant-step .inline-audio > p:empty + audio {
     margin-top: 0 !important;
   }
   
   @keyframes userMsgIn {
     from { opacity: 0; transform: translateX(20px); }
     to   { opacity: 1; transform: translateX(0); }
   }
   
   .step.assistant-step .step-content,
   .step.bot-step .step-content,
   [class*="assistant"] [class*="content"],
   [class*="bot"] [class*="content"] {
     background: var(--bubble-bot-inset) !important;
     color: var(--color-navy) !important;
     border-radius: var(--radius-bubble) var(--radius-bubble) var(--radius-bubble) 4px !important;
     max-width: 72% !important;
     padding: 12px 16px !important;
     font-family: var(--font-arabic) !important;
     direction: rtl !important;
     animation: botMsgIn 0.35s cubic-bezier(.22,1,.36,1) both;
     box-shadow:
       inset 0 2px 4px rgba(13, 34, 51, 0.04),
       var(--shadow-sm);
     line-height: 1.8;
     border: 1px solid var(--color-border) !important;
   }
   
   @keyframes botMsgIn {
     from { opacity: 0; transform: translateX(-20px); filter: blur(4px); }
     to   { opacity: 1; transform: translateX(0); filter: blur(0); }
   }
   
   /* ── Action buttons ──────────────────────────────────────────── */
   .action-button,
   [class*="action"] button {
     border: 1.5px solid var(--color-border) !important;
     border-radius: var(--radius-pill) !important;
     font-size: 14px !important;
     font-weight: 600 !important;
     font-family: var(--font-arabic) !important;
     background: var(--surface-inset) !important;
     color: var(--color-primary) !important;
     padding: 8px 16px !important;
     transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease !important;
   }
   
   .action-button:hover,
   [class*="action"] button:hover {
     background: color-mix(in srgb, var(--surface-inset) 82%, var(--color-surface)) !important;
     border-color: var(--color-primary) !important;
     transform: translateY(-1px);
   }
   
   .dark .action-button:hover,
   .dark [class*="action"] button:hover {
     background: color-mix(in srgb, var(--surface-inset) 85%, var(--color-border)) !important;
   }
   
   /* ── Dialogs ─────────────────────────────────────────────────── */
   .MuiDialog-paper .MuiButton-outlined:not(:hover) {
     background: var(--surface-inset) !important;
     box-shadow: inset 0 1px 2px rgba(13, 34, 51, 0.04) !important;
   }
   
   .dark .MuiDialog-paper .MuiButton-outlined:not(:hover) {
     box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.2) !important;
   }
   
   /* ── Sidebar ─────────────────────────────────────────────────── */
   aside,
   [class*="sidebar"],
   .drawer {
     background: var(--color-surface) !important;
     border-left: 1px solid var(--color-border) !important;
   }
   
   /* ── 7. SCROLLBAR ────────────────────────────────────────────── */
   ::-webkit-scrollbar { width: 4px; }
   ::-webkit-scrollbar-track { background: transparent; }
   ::-webkit-scrollbar-thumb { background: var(--color-primary); border-radius: 4px; }
   
   /* ── Markdown (RTL) ──────────────────────────────────────────── */
   .markdown-body {
     direction: rtl !important;
     text-align: right !important;
     line-height: 1.8;
     font-size: 15px !important;
     font-family: var(--font-arabic) !important;
   }
   
   .markdown-body ul {
     padding-right: 20px;
     padding-left: 0;
   }
   
   /* ── Tool step cards ─────────────────────────────────────────── */
   .step-tool {
     animation: toolStepIn 0.35s cubic-bezier(.22,1,.36,1) both;
   }

   @keyframes toolStepIn {
     from { opacity: 0; transform: translateY(6px); }
     to   { opacity: 1; transform: translateY(0); }
   }

   .step-tool .step-content {
     background: var(--tool-card-inset) !important;
     border: 1px solid var(--color-border) !important;
     border-radius: 12px !important;
     font-size: 13px;
     box-shadow: inset 0 1px 2px rgba(13, 34, 51, 0.04) !important;
     direction: rtl !important;
     overflow: hidden;
   }

   .step-tool .step-header,
   .step-tool [class*="header"] {
     font-family: var(--font-arabic) !important;
     font-weight: 700 !important;
     font-size: 14px !important;
     color: var(--color-primary) !important;
     direction: rtl !important;
     padding: 10px 14px !important;
     border-bottom: 1px solid color-mix(in srgb, var(--color-border) 60%, transparent);
     background: color-mix(in srgb, var(--tool-card-inset) 70%, var(--color-surface));
     letter-spacing: 0.01em;
   }

   .step-tool .step-input,
   .step-tool .step-output,
   .step-tool [class*="input"],
   .step-tool [class*="output"] {
     font-family: var(--font-arabic), 'Courier New', monospace !important;
     font-size: 12.5px !important;
     line-height: 1.7 !important;
     direction: rtl !important;
     color: var(--color-muted) !important;
     padding: 10px 14px !important;
     max-height: 320px;
     overflow-y: auto;
     white-space: pre-wrap;
     word-break: break-word;
   }

   .step-tool pre,
   .step-tool code {
     font-size: 12px !important;
     background: color-mix(in srgb, var(--tool-card-inset) 50%, var(--color-border)) !important;
     border-radius: 6px !important;
     padding: 2px 6px !important;
     direction: ltr !important;
     text-align: left !important;
   }
   
   /* ============================================================
      DARK MODE
      ============================================================ */
   .dark {
     --color-ivory:      #0A0A0A;
     --color-surface:    #141414;
     --color-navy:       #E0E0E0;
     --color-border:     #2A2A2A;
     --color-bubble-bot: #1A1A1A;
     --color-bubble-user:#3A3A3A;
     --color-sand:       #1A1A1A;
     --color-sand-light: #121212;
     --color-ochre:      #AAAAAA;
     --color-muted:      #8899AA;
     --shadow-card:      0 4px 24px rgba(0,0,0,0.4);
     --shadow-float:     0 8px 40px rgba(0,0,0,0.5);
     --shadow-sm:        0 1px 4px rgba(0,0,0,0.3);
   
     --color-primary:       #8C8C8C;
     --color-primary-light: #AAAAAA;
     --color-primary-glow:  rgba(140,140,140,0.15);
   
     --composer-bg:           #333333;
     --composer-border:       #555555;
     --composer-border-soft:  #404040;
     --composer-shadow:       0 2px 10px rgba(0,0,0,0.45), 0 12px 36px rgba(0,0,0,0.35);
     --composer-shadow-focus: 0 0 0 3px rgba(140, 140, 140, 0.2), 0 4px 20px rgba(140, 140, 140, 0.12), 0 16px 48px rgba(0,0,0,0.5);
   
     --surface-inset:         color-mix(in srgb, var(--color-surface) 82%, #000000);
     --composer-inner-bg:     #292929;
     --starter-inset-bg:      color-mix(in srgb, var(--color-sand) 82%, #000000);
     --bubble-bot-inset:      color-mix(in srgb, var(--color-bubble-bot) 85%, #000000);
     --bubble-user-face:      color-mix(in srgb, var(--color-bubble-user) 85%, #000000);
     --tool-card-inset:       color-mix(in srgb, var(--color-sand-light) 82%, #000000);
     --primary-button-face:   color-mix(in srgb, var(--color-primary) 82%, #000000);
     --primary-button-active: color-mix(in srgb, var(--color-primary) 72%, #000000);
   }
   
   .dark header {
     background: var(--color-surface) !important;
   }
   
   .dark .step.assistant-step .step-content,
   .dark .step.bot-step .step-content,
   .dark [class*="assistant"] [class*="content"],
   .dark [class*="bot"] [class*="content"] {
     background: var(--bubble-bot-inset) !important;
     color: var(--color-navy) !important;
     box-shadow:
       inset 0 2px 6px rgba(0, 0, 0, 0.22),
       var(--shadow-sm) !important;
   }
   
   .dark .idarati-zellige-overlay { opacity: 0.025; }
   .dark .idarati-corner-motif { opacity: 0.04; }
   
   .dark [class*="composer"] .MuiInputBase-root,
   .dark .composer-container .MuiInputBase-root {
     box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.32) !important;
   }
   
   .dark [class*="composer"] .MuiIconButton-root,
   .dark .composer-container .MuiIconButton-root {
     box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.25) !important;
   }
   
   .dark .step-tool .step-content {
     box-shadow: inset 0 2px 5px rgba(0, 0, 0, 0.22) !important;
   }

   .dark .step-tool .step-header,
   .dark .step-tool [class*="header"] {
     color: var(--color-primary-light) !important;
     border-bottom-color: color-mix(in srgb, var(--color-border) 40%, transparent);
     background: color-mix(in srgb, var(--tool-card-inset) 60%, var(--color-surface));
   }

   .dark .step-tool .step-input,
   .dark .step-tool .step-output,
   .dark .step-tool [class*="input"],
   .dark .step-tool [class*="output"] {
     color: var(--color-muted) !important;
   }

   .dark .step-tool pre,
   .dark .step-tool code {
     background: color-mix(in srgb, var(--tool-card-inset) 40%, #000000) !important;
   }
   
   .dark ::-webkit-scrollbar-thumb { background: #3A3A3A; }
   
   /* ============================================================
      8. MOBILE (max-width: 768px)
      ============================================================ */
   @media (max-width: 768px) {
     :root {
       --idarati-top-bar-height: 72px;
     }
   
     #welcome-screen img.logo {
       max-height: 60px !important;
       width: auto !important;
       height: auto !important;
     }
   
     #starters {
       flex-wrap: wrap !important;
       overflow-x: visible !important;
       justify-content: center !important;
       align-content: center !important;
       padding: 0 16px !important;
       gap: 8px 10px !important;
       max-width: 100% !important;
       box-sizing: border-box !important;
     }
   
     #starters > *,
     [id^="starter-"] {
       flex: 1 1 auto !important;
       min-width: min(100%, 140px) !important;
       max-width: calc(50% - 5px) !important;
       white-space: normal !important;
       text-align: center !important;
       line-height: 1.35 !important;
       font-size: 12px !important;
       padding: 8px 12px !important;
     }
   
     .step.user-step .step-content,
     .step.assistant-step .step-content,
     .step.bot-step .step-content {
       max-width: 90% !important;
     }
   
     #welcome-screen.welcome-screen,
     #welcome-screen {
       gap: 12px !important;
       padding-block: clamp(4px, 1.2vh, 12px) !important;
     }
   
     #welcome-screen > *:first-child {
       margin-bottom: 0 !important;
     }
   
     .idarati-corner-motif {
       width: 240px !important;
       height: 240px !important;
       bottom: -70px !important;
       left: -70px !important;
     }
   
     footer {
       padding: 10px 16px max(14px, env(safe-area-inset-bottom)) !important;
       box-sizing: border-box !important;
     }
   
     .composer-container,
     [class*="composer"] {
       border-radius: 16px !important;
       width: 100% !important;
       max-width: 100% !important;
       margin-left: 0 !important;
       margin-right: 0 !important;
       box-sizing: border-box !important;
     }
   
     .dark #message-composer {
       border-radius: 16px !important;
       width: 100% !important;
       max-width: 100% !important;
       margin-left: 0 !important;
       margin-right: 0 !important;
       box-sizing: border-box !important;
     }
   
     #message-composer {
       width: 100% !important;
       max-width: 100% !important;
       margin-left: 0 !important;
       margin-right: 0 !important;
       box-sizing: border-box !important;
     }
   
     [class*="composer"] form,
     .composer-container form {
       flex-wrap: wrap !important;
       gap: 6px !important;
       row-gap: 8px !important;
       padding: 8px 8px 10px !important;
       justify-content: flex-end !important;
     }
   
     .composer-container textarea,
     [class*="composer"] textarea,
     [class*="composer"] .MuiInputBase-root textarea,
     #message-composer textarea {
       font-size: 16px !important;
       min-height: 48px !important;
     }
   
     button[type="submit"],
     .send-button,
     button[class*="send"],
     [class*="composer"] button[type="submit"],
     #message-composer button[type="submit"] {
       width: 46px !important;
       height: 46px !important;
       min-width: 46px !important;
       min-height: 46px !important;
     }
   }