@tailwind base;
@tailwind components;
@tailwind utilities;

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* ─── Design tokens ─────────────────────────────────────────── */
:root {
  --emo-radius-xs: 0.375rem;
  --emo-radius-sm: 0.5rem;
  --emo-radius-md: 0.75rem;
  --emo-radius-lg: 1rem;
  --emo-radius-xl: 1.25rem;
  --emo-radius-2xl: 1.5rem;
  --emo-radius-3xl: 1.75rem;
  --emo-radius-full: 9999px;

  --emo-space-1: 0.25rem;
  --emo-space-2: 0.5rem;
  --emo-space-3: 0.75rem;
  --emo-space-4: 1rem;
  --emo-space-5: 1.25rem;
  --emo-space-6: 1.5rem;
  --emo-space-8: 2rem;
  --emo-space-10: 2.5rem;
  --emo-space-12: 3rem;

  --emo-text-xs: 0.6875rem;
  --emo-text-sm: 0.8125rem;
  --emo-text-base: 0.9375rem;
  --emo-text-lg: 1.0625rem;
  --emo-text-xl: 1.25rem;

  --emo-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.06);
  --emo-shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
  --emo-shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
  --emo-shadow-float: 0 12px 40px rgba(0, 0, 0, 0.15);

  --emo-transition: 0.15s ease;
  --emo-transition-slow: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  --emo-transition-panel: 0.22s cubic-bezier(0.4, 0, 0.2, 1);

  /* Layering: overlay (40) < drawer (50) < profile (55) < modal (60) < toast (70) */
  --emo-z-base: 0;
  --emo-z-sticky: 10;
  --emo-z-header: 20;
  --emo-z-dropdown: 30;
  --emo-z-overlay: 40;
  --emo-z-drawer: 50;
  --emo-z-profile: 55;
  --emo-z-modal: 60;
  --emo-z-toast: 70;

  --emo-touch-min: 2.75rem;
  --emo-safe-top: env(safe-area-inset-top, 0px);
  --emo-safe-bottom: env(safe-area-inset-bottom, 0px);
  --emo-keyboard-inset: 0px;
  --emo-mobile-kb-inset: 0px;
  --emo-safe-left: env(safe-area-inset-left, 0px);
  --emo-safe-right: env(safe-area-inset-right, 0px);
}

:root, html.theme-dark {
  --emo-bg: #0c0c0e;
  --emo-bg-subtle: #111114;
  --emo-surface: #18181b;
  --emo-surface-raised: #222226;
  --emo-surface-overlay: #27272b;
  --emo-text: #f4f4f5;
  --emo-text-secondary: #a1a1aa;
  --emo-text-muted: #71717a;
  --emo-border: rgba(255, 255, 255, 0.09);
  --emo-border-strong: rgba(255, 255, 255, 0.14);
  --emo-accent: #8b5cf6;
  --emo-accent-hover: #a78bfa;
  --emo-accent-soft: rgba(139, 92, 246, 0.14);
  --emo-accent-border: rgba(139, 92, 246, 0.38);
  --emo-logo-bg: #8b5cf6;
  --emo-code-bg: #0f0f11;
  --emo-input-bg: #1e1e22;
  --emo-glass-bg: #18181b;
  --emo-glass-border: rgba(255, 255, 255, 0.06);
  --emo-glass-card-bg: #1c1c20;
  --emo-glow: rgba(139, 92, 246, 0.18);
  --mode-color: #8b5cf6;
  --mode-glow: rgba(139, 92, 246, 0.22);
  --emo-hover: rgba(255, 255, 255, 0.07);
  --emo-hover-subtle: rgba(255, 255, 255, 0.04);
  --emo-active-bg: rgba(255, 255, 255, 0.06);
  --emo-tab-active-bg: rgba(255, 255, 255, 0.07);
  --emo-overlay: rgba(0, 0, 0, 0.55);
  --emo-card-bg: rgba(255, 255, 255, 0.03);
  --emo-pre-bg: rgba(0, 0, 0, 0.35);
  --emo-code-text: #c4b5fd;
  --emo-inline-code-bg: rgba(168, 85, 247, 0.12);
  --emo-inline-code-text: #e9d5ff;
  --emo-badge-bg: rgba(255, 255, 255, 0.05);
  --emo-link: #93c5fd;
  --emo-on-accent: #ffffff;
  --emo-on-mode: #0a0510;
  --emo-editor-bg: #1a1a1e;
  --emo-editor-text: #fafafa;
  --emo-preview-bg: #0a0a0c;
  --emo-drawer-bg: #141416;
  --emo-drawer-shadow: -24px 0 64px rgba(0, 0, 0, 0.45);
  --emo-code-inset: inset 0 0 24px rgba(0, 0, 0, 0.35);
  --emo-subtle-bg: rgba(255, 255, 255, 0.03);
  --emo-thought-text: #e9d5ff;
  --emo-paywall-overlay: rgba(7, 4, 10, 0.88);
  --emo-user-msg-bg: rgba(139, 92, 246, 0.16);
  --emo-user-msg-border: rgba(139, 92, 246, 0.28);
  --emo-assistant-msg-bg: #1e1e22;
  --emo-assistant-msg-border: rgba(255, 255, 255, 0.08);
  --emo-warning-bg: rgba(245, 158, 11, 0.1);
  --emo-warning-border: rgba(245, 158, 11, 0.28);
  --emo-warning-text: #fde68a;
  --emo-success-text: #6ee7b7;
  --emo-error-text: #fca5a5;
  --emo-admin-text: #fbbf24;
  --emo-admin-bg: rgba(245, 158, 11, 0.12);
  --emo-status-online: #34d399;
  --emo-status-offline: #71717a;
  --emo-status-online-glow: rgba(52, 211, 153, 0.5);
  --emo-success-bg: rgba(52, 211, 153, 0.1);
  --emo-success-border: rgba(52, 211, 153, 0.28);
  --emo-error-bg: rgba(239, 68, 68, 0.12);
  --emo-error-border: rgba(239, 68, 68, 0.28);
  --emo-chrome-bg: #141416;
  --emo-segment-bg: rgba(255, 255, 255, 0.05);
  --emo-segment-active: rgba(255, 255, 255, 0.1);
}

html.theme-light {
  --emo-bg: #f8f8fa;
  --emo-bg-subtle: #f0f0f3;
  --emo-surface: #ffffff;
  --emo-surface-raised: #f4f4f6;
  --emo-surface-overlay: #ebebef;
  --emo-text: #18181b;
  --emo-text-secondary: #3f3f46;
  --emo-text-muted: #71717a;
  --emo-border: rgba(0, 0, 0, 0.09);
  --emo-border-strong: rgba(0, 0, 0, 0.14);
  --emo-accent: #7c3aed;
  --emo-accent-hover: #6d28d9;
  --emo-accent-soft: rgba(124, 58, 237, 0.1);
  --emo-accent-border: rgba(124, 58, 237, 0.32);
  --emo-logo-bg: #7c3aed;
  --emo-code-bg: #f4f4f6;
  --emo-input-bg: #ffffff;
  --emo-glass-bg: #ffffff;
  --emo-glass-border: rgba(0, 0, 0, 0.08);
  --emo-glass-card-bg: #ffffff;
  --emo-glow: rgba(124, 58, 237, 0.14);
  --mode-color: #7c3aed;
  --mode-glow: rgba(124, 58, 237, 0.16);
  --emo-hover: rgba(0, 0, 0, 0.04);
  --emo-hover-subtle: rgba(0, 0, 0, 0.025);
  --emo-active-bg: rgba(124, 58, 237, 0.08);
  --emo-tab-active-bg: rgba(124, 58, 237, 0.08);
  --emo-overlay: rgba(0, 0, 0, 0.32);
  --emo-card-bg: #ffffff;
  --emo-pre-bg: #f4f4f6;
  --emo-code-text: #5b21b6;
  --emo-inline-code-bg: rgba(124, 58, 237, 0.08);
  --emo-inline-code-text: #5b21b6;
  --emo-badge-bg: rgba(0, 0, 0, 0.04);
  --emo-link: #2563eb;
  --emo-on-accent: #ffffff;
  --emo-on-mode: #ffffff;
  --emo-editor-bg: #fafafa;
  --emo-editor-text: #18181b;
  --emo-preview-bg: #fafafa;
  --emo-drawer-bg: #ffffff;
  --emo-drawer-shadow: -24px 0 64px rgba(0, 0, 0, 0.1);
  --emo-code-inset: inset 0 0 0 1px rgba(0, 0, 0, 0.06);
  --emo-subtle-bg: rgba(0, 0, 0, 0.025);
  --emo-thought-text: #6d28d9;
  --emo-paywall-overlay: rgba(0, 0, 0, 0.42);
  --emo-user-msg-bg: rgba(124, 58, 237, 0.1);
  --emo-user-msg-border: rgba(124, 58, 237, 0.2);
  --emo-assistant-msg-bg: #ffffff;
  --emo-assistant-msg-border: rgba(0, 0, 0, 0.08);
  --emo-warning-bg: #fffbeb;
  --emo-warning-border: #fcd34d;
  --emo-warning-text: #92400e;
  --emo-success-text: #047857;
  --emo-error-text: #b91c1c;
  --emo-admin-text: #b45309;
  --emo-admin-bg: rgba(245, 158, 11, 0.12);
  --emo-status-online: #059669;
  --emo-status-offline: #71717a;
  --emo-status-online-glow: rgba(5, 150, 105, 0.4);
  --emo-success-bg: #ecfdf5;
  --emo-success-border: #6ee7b7;
  --emo-error-bg: #fef2f2;
  --emo-error-border: #fca5a5;
  --emo-chrome-bg: #f4f4f6;
  --emo-segment-bg: rgba(0, 0, 0, 0.04);
  --emo-segment-active: #ffffff;
  --emo-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --emo-shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
  --emo-shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.08);
  --emo-shadow-float: 0 12px 40px rgba(0, 0, 0, 0.1);
}

* { box-sizing: border-box; }

html, body, #root { height: 100%; margin: 0; }

body {
  background-color: var(--emo-bg);
  color: var(--emo-text);
  font-family: 'Inter', system-ui, sans-serif;
  font-size: var(--emo-text-base);
  font-weight: 400;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}

body.emo-scroll-locked .emo-app-shell,
body.emo-scroll-locked .emo-chat-scroll {
  overflow: hidden;
  touch-action: none;
}

.font-heading { font-family: 'Inter', system-ui, sans-serif; font-weight: 600; letter-spacing: -0.01em; }
.font-code { font-family: 'JetBrains Mono', monospace; }

/* ─── Shell & panels ────────────────────────────────────────── */
.emo-app-shell {
  display: flex;
  height: 100vh;
  height: 100dvh;
  width: 100%;
  max-width: 100vw;
  overflow: hidden;
  background: var(--emo-bg);
}

body.emo-scroll-locked {
  overflow: hidden;
  touch-action: none;
}

.emo-panel {
  background: var(--emo-surface);
  border: 1px solid var(--emo-border);
  border-radius: var(--emo-radius-lg);
}

.emo-panel-flat {
  border-radius: 0 !important;
}

.glass-panel {
  background: var(--emo-surface);
  border: 1px solid var(--emo-border);
  border-radius: var(--emo-radius-lg);
}

.glass-card {
  background: var(--emo-glass-card-bg);
  border: 1px solid var(--emo-border);
  border-radius: var(--emo-radius-xl);
  transition: border-color var(--emo-transition), box-shadow var(--emo-transition);
}

.glass-card:hover {
  border-color: var(--emo-accent-border);
}

.em-hover:hover { background-color: var(--emo-hover); }
.em-hover-subtle:hover { background-color: var(--emo-hover-subtle); }
.em-active { background-color: var(--emo-active-bg); }
.em-border-b { border-bottom: 1px solid var(--emo-border); }
.em-border-t { border-top: 1px solid var(--emo-border); }
.em-border-r { border-right: 1px solid var(--emo-border); }
.em-border { border: 1px solid var(--emo-border); }

/* ─── Inputs ────────────────────────────────────────────────── */
.em-input,
textarea.em-input,
input.em-input {
  background: var(--emo-input-bg);
  border: 1px solid var(--emo-border);
  color: var(--emo-text);
  border-radius: var(--emo-radius-md);
  transition: border-color var(--emo-transition), box-shadow var(--emo-transition);
}
.em-input::placeholder,
textarea.em-input::placeholder,
input.em-input::placeholder {
  color: var(--emo-text-muted);
}
.em-input:focus,
textarea.em-input:focus,
input.em-input:focus {
  outline: none;
  border-color: var(--emo-accent);
  box-shadow: 0 0 0 3px var(--emo-glow);
}

/* ─── Alerts & status ───────────────────────────────────────── */
.emo-alert-warning {
  background: var(--emo-warning-bg);
  border: 1px solid var(--emo-warning-border);
  color: var(--emo-warning-text);
  border-radius: var(--emo-radius-md);
}

.emo-alert-success {
  background: var(--emo-success-bg);
  border: 1px solid var(--emo-success-border);
  color: var(--emo-success-text);
  border-radius: var(--emo-radius-md);
}

.emo-alert-error {
  background: var(--emo-error-bg);
  border: 1px solid var(--emo-error-border);
  color: var(--emo-error-text);
  border-radius: var(--emo-radius-md);
}

.emo-status-dot-online {
  background: var(--emo-status-online);
  box-shadow: 0 0 8px var(--emo-status-online-glow);
}

.emo-status-dot-offline {
  background: var(--emo-status-offline);
}

.text-muted-em { color: var(--emo-text-muted); }
.text-secondary-em { color: var(--emo-text-secondary); }

html.theme-light .text-emerald-300 { color: var(--emo-success-text) !important; }
html.theme-light .text-red-300 { color: var(--emo-error-text) !important; }
html.theme-light .bg-amber-500\/10 { background: var(--emo-warning-bg) !important; }
html.theme-light .border-amber-500\/30 { border-color: var(--emo-warning-border) !important; }

/* ─── Theme selector ────────────────────────────────────────── */
.emo-theme-btn {
  background: var(--emo-surface-raised);
  border: 1px solid var(--emo-border);
  color: var(--emo-text-secondary);
  border-radius: var(--emo-radius-lg);
  transition: all var(--emo-transition);
}

.emo-theme-btn[data-active="true"] {
  background: var(--emo-accent-soft);
  border-color: var(--emo-accent-border);
  color: var(--emo-accent);
}

.emo-btn-primary {
  background: var(--emo-accent);
  color: var(--emo-on-accent);
  border: none;
  border-radius: var(--emo-radius-md);
  font-weight: 500;
  transition: background var(--emo-transition), opacity var(--emo-transition);
}
.emo-btn-primary:hover:not(:disabled) {
  background: var(--emo-accent-hover);
}
.emo-btn-primary:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.emo-btn-soft {
  background: var(--emo-accent-soft);
  border: 1px solid var(--emo-accent-border);
  color: var(--emo-text);
  border-radius: var(--emo-radius-md);
}

.emo-btn-ghost {
  background: transparent;
  border: 1px solid var(--emo-border);
  color: var(--emo-text-secondary);
  border-radius: var(--emo-radius-md);
  transition: background var(--emo-transition), border-color var(--emo-transition);
}
.emo-btn-ghost:hover {
  background: var(--emo-hover-subtle);
  border-color: var(--emo-border-strong);
}

/* ─── Segmented control ─────────────────────────────────────── */
.emo-segment {
  display: inline-flex;
  padding: 3px;
  background: var(--emo-segment-bg);
  border-radius: var(--emo-radius-lg);
  border: 1px solid var(--emo-border);
  gap: 2px;
}

.emo-segment-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: calc(var(--emo-radius-lg) - 2px);
  font-size: var(--emo-text-xs);
  font-weight: 500;
  color: var(--emo-text-muted);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all var(--emo-transition);
  white-space: nowrap;
}

.emo-segment-btn[data-active="true"] {
  background: var(--emo-segment-active);
  color: var(--emo-text);
  box-shadow: var(--emo-shadow-sm);
}

.emo-segment-btn[data-active="true"][data-accent="true"] {
  color: var(--emo-accent);
}

/* ─── Chat layout ───────────────────────────────────────────── */
.emo-chat-main {
  flex: 1 1 0%;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  background: var(--emo-bg);
}

.emo-right-panel-wrap {
  height: 100%;
  min-height: 0;
}

.emo-right-panel {
  width: min(300px, 26vw);
  min-width: 240px;
  max-width: 340px;
}

.emo-app-shell:not([data-right-panel-open="true"]) .emo-chat-messages,
.emo-app-shell:not([data-right-panel-open="true"]) .emo-chat-composer-inner {
  max-width: 52rem;
}

.emo-app-shell[data-right-panel-open="true"] .emo-chat-messages,
.emo-app-shell[data-right-panel-open="true"] .emo-chat-composer-inner {
  max-width: 44rem;
}

.emo-chat-header {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--emo-space-3);
  height: 3.25rem;
  padding: 0 var(--emo-space-4);
  border-bottom: 1px solid var(--emo-border);
  background: var(--emo-surface);
}

.emo-chat-scroll {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}

.emo-chat-messages {
  max-width: 48rem;
  margin: 0 auto;
  padding: var(--emo-space-6) var(--emo-space-5) var(--emo-space-8);
  display: flex;
  flex-direction: column;
  gap: var(--emo-space-6);
}

.emo-chat-composer-wrap {
  flex-shrink: 0;
  position: relative;
  z-index: var(--emo-z-sticky);
  padding: var(--emo-space-3) var(--emo-space-4) var(--emo-space-5);
  background: linear-gradient(to top, var(--emo-bg) 70%, transparent);
  border-top: 1px solid var(--emo-border);
  overflow: visible;
}

.emo-chat-composer-inner {
  max-width: 48rem;
  margin: 0 auto;
}

/* ─── Message bubbles ───────────────────────────────────────── */
.emo-bubble-user {
  max-width: 85%;
  padding: var(--emo-space-3) var(--emo-space-4);
  border-radius: var(--emo-radius-2xl);
  border-bottom-right-radius: var(--emo-radius-sm);
  background: var(--emo-user-msg-bg);
  border: 1px solid var(--emo-user-msg-border);
  color: var(--emo-text);
  font-size: var(--emo-text-base);
  line-height: 1.55;
}

.emo-bubble-assistant {
  flex: 1;
  min-width: 0;
  padding: var(--emo-space-4);
  border-radius: var(--emo-radius-2xl);
  border-top-left-radius: var(--emo-radius-sm);
  background: var(--emo-assistant-msg-bg);
  border: 1px solid var(--emo-assistant-msg-border);
  font-size: var(--emo-text-base);
  line-height: 1.6;
}

.emo-bubble-assistant::before {
  content: none;
}

/* ─── Composer ──────────────────────────────────────────────── */
.emo-composer {
  background: var(--emo-surface);
  border: 1px solid var(--emo-border);
  border-radius: var(--emo-radius-2xl);
  box-shadow: var(--emo-shadow-md);
  overflow: visible;
  transition: border-color var(--emo-transition), box-shadow var(--emo-transition);
}

.emo-composer:focus-within {
  border-color: var(--emo-accent-border);
  box-shadow: var(--emo-shadow-md), 0 0 0 3px var(--emo-glow);
}

.emo-composer[data-drag="true"] {
  border-color: var(--mode-color);
  box-shadow: 0 0 0 3px var(--mode-glow);
}

.emo-composer-toolbar {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  gap: var(--emo-space-2);
  padding: var(--emo-space-2) var(--emo-space-3);
  border-bottom: 1px solid var(--emo-border);
  background: var(--emo-bg-subtle);
  border-top-left-radius: calc(var(--emo-radius-2xl) - 1px);
  border-top-right-radius: calc(var(--emo-radius-2xl) - 1px);
  overflow: visible;
}

.emo-composer-body {
  padding: var(--emo-space-2) var(--emo-space-3);
}

.emo-composer-textarea {
  width: 100%;
  background: transparent;
  border: none;
  outline: none;
  resize: none;
  padding: var(--emo-space-2) var(--emo-space-1);
  font-size: var(--emo-text-base);
  line-height: 1.5;
  color: var(--emo-text);
  max-height: 180px;
}

.emo-composer-textarea::placeholder {
  color: var(--emo-text-muted);
}

.emo-composer-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--emo-space-2);
  padding: var(--emo-space-2) var(--emo-space-3) var(--emo-space-3);
  border-bottom-left-radius: calc(var(--emo-radius-2xl) - 1px);
  border-bottom-right-radius: calc(var(--emo-radius-2xl) - 1px);
}

.emo-attachment-strip {
  display: flex;
  flex-wrap: wrap;
  gap: var(--emo-space-2);
  padding: var(--emo-space-3) var(--emo-space-3) 0;
}

.emo-attachment-chip {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--emo-space-2);
  padding: var(--emo-space-1);
  padding-right: var(--emo-space-2);
  background: var(--emo-surface-raised);
  border: 1px solid var(--emo-border);
  border-radius: var(--emo-radius-lg);
  max-width: 200px;
}

.emo-attachment-chip img {
  width: 3rem;
  height: 3rem;
  object-fit: cover;
  border-radius: var(--emo-radius-md);
}

.emo-attachment-chip-name {
  font-size: var(--emo-text-xs);
  color: var(--emo-text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 100px;
}

.emo-attachment-remove {
  position: absolute;
  top: -6px;
  right: -6px;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--emo-surface-overlay);
  border: 1px solid var(--emo-border);
  border-radius: var(--emo-radius-full);
  color: var(--emo-text);
  cursor: pointer;
  opacity: 0;
  transition: opacity var(--emo-transition);
}

.emo-attachment-chip:hover .emo-attachment-remove {
  opacity: 1;
}

.emo-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: var(--emo-radius-md);
  border: 1px solid var(--emo-border);
  background: transparent;
  color: var(--emo-text-secondary);
  cursor: pointer;
  transition: all var(--emo-transition);
}

.emo-icon-btn:hover:not(:disabled) {
  background: var(--emo-hover-subtle);
  color: var(--emo-text);
}

.emo-icon-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.emo-send-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--emo-radius-md);
  background: var(--emo-accent);
  color: var(--emo-on-accent);
  border: none;
  cursor: pointer;
  transition: opacity var(--emo-transition), transform var(--emo-transition);
}

.emo-send-btn:hover:not(:disabled) {
  background: var(--emo-accent-hover);
}

.emo-send-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

/* ─── Sidebar ───────────────────────────────────────────────── */
.emo-sidebar {
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  height: 100%;
  background: var(--emo-surface);
  border-right: 1px solid var(--emo-border);
}

.emo-sidebar-nav-item {
  display: flex;
  align-items: center;
  gap: var(--emo-space-3);
  padding: var(--emo-space-2) var(--emo-space-3);
  border-radius: var(--emo-radius-md);
  font-size: var(--emo-text-sm);
  color: var(--emo-text-secondary);
  cursor: pointer;
  transition: all var(--emo-transition);
  border: 1px solid transparent;
}

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

.emo-sidebar-nav-item[data-active="true"] {
  background: var(--emo-active-bg);
  color: var(--emo-text);
  border-color: var(--emo-border);
}

.emo-sidebar-nav-item[data-active="true"]::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 60%;
  background: var(--mode-color);
  border-radius: 0 2px 2px 0;
}

/* ─── Profile drawer ────────────────────────────────────────── */
.emo-drawer {
  position: fixed;
  z-index: var(--emo-z-profile);
  border-top-left-radius: var(--emo-radius-2xl);
  border-bottom-left-radius: var(--emo-radius-2xl);
  transform: translate3d(0, 0, 0);
  animation: emoSlideInRight var(--emo-transition-slow) both;
  will-change: transform;
}

.emo-settings-layout {
  display: flex;
  height: 100%;
  min-height: 0;
}

.emo-settings-nav {
  width: 11rem;
  flex-shrink: 0;
  padding: var(--emo-space-4) var(--emo-space-3);
  border-right: 1px solid var(--emo-border);
  background: var(--emo-bg-subtle);
}

.emo-settings-nav-btn {
  display: flex;
  align-items: center;
  gap: var(--emo-space-2);
  width: 100%;
  padding: var(--emo-space-2) var(--emo-space-3);
  border-radius: var(--emo-radius-md);
  font-size: var(--emo-text-sm);
  color: var(--emo-text-secondary);
  background: transparent;
  border: none;
  cursor: pointer;
  text-align: left;
  transition: all var(--emo-transition);
}

.emo-settings-nav-btn:hover {
  background: var(--emo-hover-subtle);
  color: var(--emo-text);
}

.emo-settings-nav-btn[data-active="true"] {
  background: var(--emo-accent-soft);
  color: var(--emo-accent);
  font-weight: 500;
}

.emo-settings-content {
  flex: 1;
  overflow-y: auto;
  padding: var(--emo-space-6);
}

.emo-settings-section {
  margin-bottom: var(--emo-space-8);
}

.emo-settings-section-title {
  font-size: var(--emo-text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--emo-text-muted);
  margin-bottom: var(--emo-space-3);
  display: flex;
  align-items: center;
  gap: var(--emo-space-2);
}

.emo-settings-card {
  background: var(--emo-surface-raised);
  border: 1px solid var(--emo-border);
  border-radius: var(--emo-radius-xl);
  padding: var(--emo-space-4);
}

/* ─── Browser chrome ────────────────────────────────────────── */
.emo-browser {
  overflow: hidden;
  background: var(--emo-surface);
  border: 1px solid var(--emo-border);
  border-radius: var(--emo-radius-xl);
  box-shadow: var(--emo-shadow-md);
}

.emo-browser-chrome {
  display: flex;
  align-items: center;
  gap: var(--emo-space-2);
  padding: var(--emo-space-2) var(--emo-space-3);
  background: var(--emo-chrome-bg);
  border-bottom: 1px solid var(--emo-border);
}

.emo-browser-dots {
  display: none;
  align-items: center;
  gap: 6px;
  padding: 0 var(--emo-space-1);
}

@media (min-width: 640px) {
  .emo-browser-dots { display: flex; }
}

.emo-browser-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.emo-browser-url-bar {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: var(--emo-space-2);
  padding: var(--emo-space-1) var(--emo-space-3);
  background: var(--emo-input-bg);
  border: 1px solid var(--emo-border);
  border-radius: var(--emo-radius-full);
  transition: border-color var(--emo-transition), box-shadow var(--emo-transition);
}

.emo-browser-url-bar:focus-within {
  border-color: var(--emo-accent-border);
  box-shadow: 0 0 0 2px var(--emo-glow);
}

.emo-browser-url-input {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: none;
  outline: none;
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--emo-text-xs);
  color: var(--emo-text);
}

.emo-browser-viewport {
  position: relative;
  isolation: isolate;
  background: var(--emo-preview-bg);
  outline: none;
}

.emo-browser-badge {
  position: absolute;
  z-index: var(--emo-z-sticky);
  pointer-events: none;
}

.emo-browser-badge--keyboard {
  top: var(--emo-space-3);
  right: var(--emo-space-3);
}

.emo-browser-badge--refresh {
  top: var(--emo-space-3);
  left: var(--emo-space-3);
}

.emo-browser-click-mark {
  position: absolute;
  z-index: calc(var(--emo-z-sticky) + 1);
  pointer-events: none;
}

.emo-browser-viewport[data-focused="true"] {
  box-shadow: inset 0 0 0 2px var(--emo-accent);
}

.emo-browser-keyboard-input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  border: none;
  outline: none;
  resize: none;
  opacity: 0;
  z-index: 4;
  background: transparent;
  color: transparent;
  caret-color: transparent;
  pointer-events: none;
  font-size: 16px;
  line-height: 1;
  -webkit-text-fill-color: transparent;
  -webkit-user-select: text;
  user-select: text;
}

.emo-browser[data-keyboard-open="true"] .emo-browser-screenshot {
  max-height: calc(var(--emo-browser-screenshot-max, 520px) - min(var(--emo-keyboard-inset, 0px), 240px));
}

.emo-browser-screenshot {
  max-height: 520px;
}

.emo-browser-viewport[data-compact="true"] .emo-browser-screenshot {
  max-height: 280px;
}

.emo-browser-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--emo-space-2);
  padding: var(--emo-space-2) var(--emo-space-3);
  background: var(--emo-chrome-bg);
  border-top: 1px solid var(--emo-border);
  font-size: var(--emo-text-xs);
  color: var(--emo-text-muted);
}

/* ─── Status screens ────────────────────────────────────────── */
.emo-status-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  gap: var(--emo-space-4);
  padding: var(--emo-space-8);
  text-align: center;
}

.emo-status-card {
  max-width: 22rem;
  padding: var(--emo-space-8);
  background: var(--emo-surface);
  border: 1px solid var(--emo-border);
  border-radius: var(--emo-radius-2xl);
  box-shadow: var(--emo-shadow-lg);
}

.emo-status-icon {
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--emo-space-4);
  border-radius: var(--emo-radius-xl);
  background: var(--emo-accent-soft);
  color: var(--emo-accent);
}

/* ─── Login ─────────────────────────────────────────────────── */
.login-page {
  background: var(--emo-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.login-page::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, var(--emo-glow), transparent),
    radial-gradient(ellipse 60% 40% at 100% 100%, rgba(139, 92, 246, 0.06), transparent);
  pointer-events: none;
  z-index: 0;
}

.login-page > * {
  position: relative;
  z-index: 1;
}

.login-card {
  border-radius: var(--emo-radius-2xl);
  box-shadow: var(--emo-shadow-float);
  background: var(--emo-surface);
  border: 1px solid var(--emo-border);
}

.login-input {
  background: var(--emo-input-bg);
  border: 1px solid var(--emo-border);
  color: var(--emo-text);
  border-radius: var(--emo-radius-md);
  transition: border-color var(--emo-transition), box-shadow var(--emo-transition);
}
.login-input:focus {
  outline: none;
  border-color: var(--emo-accent);
  box-shadow: 0 0 0 3px var(--emo-glow);
}

.login-submit {
  background: var(--emo-accent);
  color: var(--emo-on-accent);
  border: none;
  border-radius: var(--emo-radius-md);
  font-weight: 500;
  transition: background var(--emo-transition);
}
.login-submit:hover:not(:disabled) {
  background: var(--emo-accent-hover);
}

.google-btn {
  background: var(--emo-surface-raised);
  color: var(--emo-text);
  border: 1px solid var(--emo-border);
  border-radius: var(--emo-radius-md);
  transition: background var(--emo-transition);
}
.google-btn:hover {
  background: var(--emo-hover-subtle);
}

.login-boot-dots span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--emo-accent);
  opacity: 0.35;
  animation: dot-bounce 1.2s ease-in-out infinite;
}
.login-boot-dots span:nth-child(2) { animation-delay: 0.15s; }
.login-boot-dots span:nth-child(3) { animation-delay: 0.3s; }

.app-topbar {
  z-index: var(--emo-z-header);
}

/* ─── Scrollbar ─────────────────────────────────────────────── */
.scrollbar-thin::-webkit-scrollbar { width: 6px; height: 6px; }
.scrollbar-thin::-webkit-scrollbar-track { background: transparent; }
.scrollbar-thin::-webkit-scrollbar-thumb {
  background: var(--emo-border-strong);
  border-radius: 3px;
}
.scrollbar-thin::-webkit-scrollbar-thumb:hover {
  background: var(--emo-text-muted);
}

.chat-scroll-area {
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

/* ─── Animations ────────────────────────────────────────────── */
@keyframes blink {
  0%, 92%, 100% { transform: scaleY(1); }
  94% { transform: scaleY(0.1); }
  96% { transform: scaleY(1); }
}

@keyframes pulse-glow {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

@keyframes look-around {
  0%, 100% { transform: translateX(0); }
  30% { transform: translateX(2px); }
  60% { transform: translateX(-2px); }
}

@keyframes dot-bounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-4px); opacity: 1; }
}

.dot-loading span {
  display: inline-block;
  width: 5px; height: 5px;
  background: var(--emo-accent);
  border-radius: 50%;
  margin: 0 2px;
  animation: dot-bounce 1.2s infinite;
}
.dot-loading span:nth-child(2) { animation-delay: 0.15s; }
.dot-loading span:nth-child(3) { animation-delay: 0.3s; }

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

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

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

@keyframes emoSlideInRight {
  from { opacity: 0; transform: translate3d(100%, 0, 0); }
  to { opacity: 1; transform: translate3d(0, 0, 0); }
}

@keyframes emoSlideInLeft {
  from { opacity: 0; transform: translate3d(-100%, 0, 0); }
  to { opacity: 1; transform: translate3d(0, 0, 0); }
}

@keyframes emoSlideInUp {
  from { opacity: 0; transform: translate3d(0, 100%, 0); }
  to { opacity: 1; transform: translate3d(0, 0, 0); }
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-100%); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes slideUpSheet {
  from { opacity: 0; transform: translateY(100%); }
  to { opacity: 1; transform: translateY(0); }
}

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

@keyframes msgIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.emo-msg-animate {
  animation: msgIn 0.25s ease;
}

@keyframes emo-image-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

@keyframes emo-image-reveal {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes emo-sparkle-pulse {
  0%, 100% { opacity: 0.45; transform: scale(0.92) rotate(0deg); }
  50% { opacity: 1; transform: scale(1.08) rotate(8deg); }
}

.emo-image-gen-placeholder {
  background: linear-gradient(
    110deg,
    var(--emo-preview-bg) 0%,
    var(--emo-accent-soft, rgba(139, 92, 246, 0.12)) 35%,
    var(--emo-preview-bg) 70%
  );
  background-size: 200% 100%;
  animation: emo-image-shimmer 2s ease-in-out infinite;
}

.emo-image-gen-sparkles {
  animation: emo-sparkle-pulse 1.6s ease-in-out infinite;
}

.emo-image-reveal {
  animation: emo-image-reveal 0.55s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.emo-image-preview-wrap {
  position: relative;
}

.emo-image-preview-actions {
  position: absolute;
  bottom: 0.5rem;
  right: 0.5rem;
  z-index: 2;
  display: flex;
  gap: 0.375rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--emo-transition);
}

.emo-image-preview-wrap:hover .emo-image-preview-actions,
.emo-image-preview-wrap:focus-within .emo-image-preview-actions {
  opacity: 1;
  pointer-events: auto;
}

.emo-image-action-btn {
  background: var(--emo-surface-overlay, rgba(255, 255, 255, 0.92));
  backdrop-filter: blur(6px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

.mode-normal { --mode-color: #8b5cf6; --mode-glow: rgba(139, 92, 246, 0.2); }
.mode-tech { --mode-color: #06b6d4; --mode-glow: rgba(6, 182, 212, 0.2); }
.mode-creatif { --mode-color: #ec4899; --mode-glow: rgba(236, 72, 153, 0.2); }
.mode-brutal { --mode-color: #ef4444; --mode-glow: rgba(239, 68, 68, 0.2); }

::selection {
  background: rgba(139, 92, 246, 0.25);
  color: inherit;
}

/* ─── Dropdown menus (composer) ─────────────────────────────── */
.emo-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  min-width: 11rem;
  max-height: 16rem;
  overflow-y: auto;
  padding: var(--emo-space-1);
  background: var(--emo-surface);
  border: 1px solid var(--emo-border);
  border-radius: var(--emo-radius-lg);
  box-shadow: var(--emo-shadow-lg);
  z-index: var(--emo-z-dropdown);
}

.emo-dropdown--align-end {
  left: auto;
  right: 0;
}

.emo-dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--emo-space-2);
  width: 100%;
  padding: var(--emo-space-2) var(--emo-space-3);
  border-radius: var(--emo-radius-md);
  font-size: var(--emo-text-sm);
  color: var(--emo-text-secondary);
  background: transparent;
  border: none;
  cursor: pointer;
  text-align: left;
  transition: background var(--emo-transition);
}

.emo-dropdown-item:hover {
  background: var(--emo-hover-subtle);
}

.emo-dropdown-item[data-active="true"] {
  background: var(--emo-active-bg);
  color: var(--emo-text);
}

/* ─── Error boundary ────────────────────────────────────────── */
.emo-error-boundary {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 12rem;
  padding: var(--emo-space-6);
  background: var(--emo-error-bg);
  border: 1px solid var(--emo-error-border);
  border-radius: var(--emo-radius-xl);
  color: var(--emo-error-text);
  text-align: center;
}

/* ─── Right panel tabs ──────────────────────────────────────── */
.emo-panel-tabs {
  display: flex;
  gap: var(--emo-space-1);
  padding: var(--emo-space-2) var(--emo-space-3);
  border-bottom: 1px solid var(--emo-border);
  background: var(--emo-bg-subtle);
}

.emo-panel-tab {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--emo-radius-md);
  font-size: var(--emo-text-xs);
  font-weight: 500;
  color: var(--emo-text-muted);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all var(--emo-transition);
}

.emo-panel-tab[data-active="true"] {
  background: var(--emo-surface);
  color: var(--emo-text);
  box-shadow: var(--emo-shadow-sm);
}

.emo-panel-tab-stack {
  position: relative;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.emo-panel-tab-pane {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translate3d(6px, 0, 0);
  transition:
    opacity var(--emo-transition-panel),
    transform var(--emo-transition-panel),
    visibility 0s linear var(--emo-transition-panel);
  z-index: var(--emo-z-base);
}

.emo-panel-tab-pane[data-active="true"] {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translate3d(0, 0, 0);
  z-index: 1;
  transition:
    opacity var(--emo-transition-panel),
    transform var(--emo-transition-panel),
    visibility 0s;
}

/* ─── Tailwind shadcn base ──────────────────────────────────── */
@layer base {
  :root, html.theme-dark {
    --background: 240 6% 4%;
    --foreground: 0 0% 98%;
    --card: 240 4% 10%;
    --card-foreground: 0 0% 98%;
    --popover: 240 4% 10%;
    --popover-foreground: 0 0% 98%;
    --primary: 262 83% 58%;
    --primary-foreground: 0 0% 100%;
    --secondary: 240 4% 16%;
    --secondary-foreground: 0 0% 98%;
    --muted: 240 4% 16%;
    --muted-foreground: 240 5% 65%;
    --accent: 240 4% 16%;
    --accent-foreground: 0 0% 98%;
    --destructive: 0 72% 51%;
    --destructive-foreground: 0 0% 98%;
    --border: 240 4% 16%;
    --input: 240 4% 16%;
    --ring: 262 83% 58%;
    --radius: 1rem;
  }
  html.theme-light {
    --background: 0 0% 98%;
    --foreground: 240 6% 10%;
    --card: 0 0% 100%;
    --card-foreground: 240 6% 10%;
    --popover: 0 0% 100%;
    --popover-foreground: 240 6% 10%;
    --primary: 262 83% 58%;
    --primary-foreground: 0 0% 100%;
    --secondary: 240 5% 96%;
    --secondary-foreground: 240 6% 10%;
    --muted: 240 5% 96%;
    --muted-foreground: 240 4% 46%;
    --accent: 240 5% 96%;
    --accent-foreground: 240 6% 10%;
    --destructive: 0 72% 51%;
    --destructive-foreground: 0 0% 98%;
    --border: 240 6% 90%;
    --input: 240 6% 90%;
    --ring: 262 83% 58%;
    --radius: 1rem;
  }
  * { border-color: hsl(var(--border)); }
}

textarea, input { font-family: inherit; }

/* ─── Drawers & overlays ────────────────────────────────────── */
.emo-drawer-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--emo-z-overlay);
  background: var(--emo-overlay);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  animation: emoOverlayIn var(--emo-transition-slow) both;
  will-change: opacity;
}

.emo-profile-overlay {
  z-index: var(--emo-z-overlay);
}

.emo-sidebar-drawer {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  z-index: var(--emo-z-drawer);
  width: min(18rem, 85vw);
  max-width: 85vw;
  transform: translate3d(0, 0, 0);
  box-shadow: var(--emo-shadow-float);
  animation: emoSlideInLeft var(--emo-transition-slow) both;
  padding-top: var(--emo-safe-top);
  padding-bottom: var(--emo-safe-bottom);
  overflow: hidden;
  will-change: transform;
}

.emo-sidebar-drawer .emo-sidebar {
  width: 100%;
  height: 100%;
}

.emo-bottom-sheet {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: var(--emo-z-drawer);
  display: flex;
  flex-direction: column;
  max-height: min(88dvh, calc(100dvh - var(--emo-safe-top) - 1rem));
  padding-bottom: var(--emo-safe-bottom);
  background: var(--emo-surface);
  border-top: 1px solid var(--emo-border);
  border-top-left-radius: var(--emo-radius-2xl);
  border-top-right-radius: var(--emo-radius-2xl);
  box-shadow: 0 -12px 48px rgba(0, 0, 0, 0.28);
  transform: translate3d(0, 0, 0);
  animation: emoSlideInUp var(--emo-transition-slow) both;
  overflow: hidden;
  will-change: transform;
}

.emo-bottom-sheet-handle {
  flex-shrink: 0;
  width: 2.5rem;
  height: 4px;
  margin: var(--emo-space-2) auto var(--emo-space-1);
  border-radius: var(--emo-radius-full);
  background: var(--emo-border-strong);
}

.emo-profile-drawer {
  top: 0;
  right: 0;
  bottom: 0;
  width: min(560px, 95vw);
}

.emo-conv-action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: var(--emo-touch-min);
  min-height: var(--emo-touch-min);
  padding: 0;
  border-radius: var(--emo-radius-md);
  border: none;
  background: transparent;
  cursor: pointer;
}

.emo-composer-toolbar-inner {
  display: flex;
  align-items: center;
  gap: var(--emo-space-2);
  flex-wrap: wrap;
  min-width: 0;
  width: 100%;
  overflow: visible;
}

.emo-composer-segment {
  flex: 0 0 auto;
}

.emo-composer-picker {
  position: relative;
  flex: 0 1 auto;
  min-width: 0;
}

.emo-composer-picker[data-open="true"] {
  z-index: var(--emo-z-dropdown);
}

.emo-composer-picker-btn {
  display: inline-flex;
  align-items: center;
  max-width: 100%;
  min-width: 0;
  min-height: 2rem;
}

.emo-composer-picker-label {
  max-width: 7rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.emo-composer-picker-label-model {
  max-width: 9rem;
}

/* Squeezed desktop: sidebar + chat + right panel */
@media (min-width: 768px) and (max-width: 1199px) {
  .emo-right-panel {
    width: min(260px, 22vw);
    min-width: 220px;
    max-width: 280px;
  }

  .emo-app-shell[data-right-panel-open="true"] .emo-chat-messages,
  .emo-app-shell[data-right-panel-open="true"] .emo-chat-composer-inner {
    max-width: 100%;
    padding-left: var(--emo-space-4);
    padding-right: var(--emo-space-4);
  }

  .emo-app-shell[data-right-panel-open="true"] .emo-composer-toolbar-inner {
    flex-wrap: wrap;
    gap: var(--emo-space-1);
    row-gap: var(--emo-space-2);
    overflow: visible;
  }

  .emo-app-shell[data-right-panel-open="true"] .emo-composer-segment {
    flex-shrink: 0;
  }

  .emo-app-shell[data-right-panel-open="true"] .emo-composer-picker {
    flex: 1 1 auto;
    min-width: 0;
    max-width: calc(50% - var(--emo-space-1));
  }

  .emo-app-shell[data-right-panel-open="true"] .emo-segment-btn {
    padding: 6px 8px;
  }
}

.emo-settings-nav-mobile {
  display: flex;
  gap: var(--emo-space-2);
  overflow-x: auto;
  padding: var(--emo-space-3) var(--emo-space-4);
  border-bottom: 1px solid var(--emo-border);
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: x proximity;
}

.emo-settings-nav-mobile .emo-segment-btn {
  min-height: var(--emo-touch-min);
  padding: var(--emo-space-2) var(--emo-space-3);
  scroll-snap-align: start;
}

/* ─── Mobile (< 768px) ──────────────────────────────────────── */
@media (max-width: 767px) {
  html, body, #root {
    overflow-x: hidden;
    max-width: 100vw;
  }

  .emo-app-shell > aside.emo-sidebar:not(.emo-sidebar-mobile) {
    display: none !important;
  }

  .emo-chat-main {
    width: 100%;
    max-width: 100vw;
  }

  .emo-icon-btn {
    width: var(--emo-touch-min);
    height: var(--emo-touch-min);
    flex-shrink: 0;
  }

  .emo-image-preview-actions {
    opacity: 1;
    pointer-events: auto;
  }

  .emo-send-btn {
    width: var(--emo-touch-min);
    height: var(--emo-touch-min);
  }

  .emo-chat-header {
    height: auto;
    min-height: 3rem;
    padding: var(--emo-space-2) var(--emo-space-3);
    padding-top: calc(var(--emo-space-2) + var(--emo-safe-top));
    gap: var(--emo-space-2);
  }

  .emo-chat-messages {
    max-width: 100%;
    padding: var(--emo-space-4) var(--emo-space-3) var(--emo-space-6);
    gap: var(--emo-space-5);
  }

  .emo-bubble-user {
    max-width: 92%;
  }

  .emo-chat-composer-wrap {
    position: sticky;
    bottom: 0;
    z-index: var(--emo-z-sticky);
    padding: var(--emo-space-2) var(--emo-space-3);
    padding-bottom: calc(var(--emo-space-3) + var(--emo-safe-bottom));
    background: var(--emo-bg);
    border-top: 1px solid var(--emo-border);
    overflow: visible;
  }

  .emo-chat-composer-inner {
    max-width: 100%;
  }

  .emo-composer {
    border-radius: var(--emo-radius-xl);
  }

  .emo-composer-toolbar {
    padding: var(--emo-space-2);
  }

  .emo-composer-toolbar-inner {
    display: flex;
    flex-wrap: wrap;
    gap: var(--emo-space-2);
    align-items: center;
  }

  .emo-composer-segment {
    flex: 1 1 100%;
    min-width: 0;
  }

  .emo-composer-picker-mode,
  .emo-composer-picker-model {
    flex: 1 1 calc(50% - var(--emo-space-1));
    min-width: 0;
  }

  .emo-composer-picker-btn {
    min-height: var(--emo-touch-min);
    width: 100%;
    justify-content: flex-start;
  }

  .emo-composer-picker-model .emo-composer-picker-btn {
    justify-content: flex-end;
  }

  .emo-composer-picker-label {
    display: inline;
    max-width: min(9rem, 36vw);
  }

  .emo-composer-picker-label-model {
    max-width: min(11rem, 42vw);
  }

  .emo-segment-btn {
    min-height: 2.25rem;
    padding: var(--emo-space-2) var(--emo-space-2);
  }

  .emo-composer-body {
    padding: var(--emo-space-1) var(--emo-space-2);
  }

  .emo-composer-footer {
    padding: var(--emo-space-2);
  }

  .emo-attachment-strip {
    flex-wrap: nowrap;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x proximity;
    padding-bottom: var(--emo-space-1);
  }

  .emo-attachment-chip {
    flex-shrink: 0;
    scroll-snap-align: start;
    max-width: min(160px, 42vw);
  }

  .emo-attachment-remove {
    opacity: 1;
    width: 1.5rem;
    height: 1.5rem;
    top: -4px;
    right: -4px;
  }

  .emo-dropdown {
    max-width: min(18rem, calc(100vw - 2rem));
    z-index: var(--emo-z-dropdown);
  }

  .emo-composer-picker-mode .emo-dropdown {
    left: 0;
    right: auto;
  }

  .emo-composer-picker-model .emo-dropdown {
    left: auto;
    right: 0;
  }

  .emo-sidebar-mobile .emo-sidebar-nav-item,
  .emo-sidebar-mobile [data-testid^="conv-row-"] {
    min-height: var(--emo-touch-min);
    padding-top: var(--emo-space-3);
    padding-bottom: var(--emo-space-3);
  }

  .emo-profile-drawer {
    inset: 0;
    width: 100% !important;
    max-width: 100%;
    border-left: none;
    border-radius: 0;
    padding-top: var(--emo-safe-top);
    padding-bottom: var(--emo-safe-bottom);
    animation: emoSlideInRight var(--emo-transition-slow) both;
  }

  .emo-settings-content {
    padding: var(--emo-space-4);
    padding-bottom: calc(var(--emo-space-8) + var(--emo-safe-bottom));
  }

  .emo-theme-btn {
    min-height: var(--emo-touch-min);
  }

  .emo-browser-chrome {
    flex-wrap: wrap;
    padding: var(--emo-space-2);
    gap: var(--emo-space-1);
  }

  .emo-browser-url-bar {
    flex: 1 1 100%;
    order: 3;
    min-height: var(--emo-touch-min);
  }

  .emo-browser-viewport img,
  .emo-browser-screenshot {
    --emo-browser-screenshot-max: min(52dvh, 420px);
    max-height: var(--emo-browser-screenshot-max) !important;
  }

  .emo-browser[data-keyboard-open="true"] .emo-browser-viewport img,
  .emo-browser[data-keyboard-open="true"] .emo-browser-screenshot {
    max-height: calc(var(--emo-browser-screenshot-max, min(52dvh, 420px)) - min(var(--emo-keyboard-inset, 0px), 45dvh)) !important;
  }

  body.emo-mobile-keyboard-open:not(.emo-browser-sheet-open) .emo-chat-composer-wrap {
    transform: translateY(calc(-1 * var(--emo-mobile-kb-inset, 0px)));
    transition: transform 0.15s ease-out;
  }

  body.emo-mobile-keyboard-open.emo-browser-sheet-open .emo-bottom-sheet {
    max-height: calc(100dvh - var(--emo-mobile-kb-inset, 0px) - var(--emo-safe-top) - 0.5rem);
  }

  body.emo-mobile-keyboard-open.emo-browser-sheet-open .emo-right-panel-sheet {
    min-height: 0;
  }

  .emo-browser-status {
    flex-wrap: wrap;
    font-size: 0.625rem;
    gap: var(--emo-space-1);
  }

  .emo-browser-status span:last-child {
    max-width: 100%;
  }

  .emo-browser-mobile-actions {
    display: inline-flex;
    align-items: center;
    gap: 2px;
  }

  .emo-right-panel-sheet .emo-panel-tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .emo-right-panel-sheet .emo-panel-tab {
    min-height: var(--emo-touch-min);
    flex-shrink: 0;
  }
}

@media (min-width: 768px) {
  .emo-browser-mobile-actions {
    display: none;
  }
}

@media (max-width: 374px) {
  .emo-chat-header-subtitle {
    display: none;
  }

  .emo-composer-toolbar-inner .emo-btn-ghost {
    padding-left: var(--emo-space-2);
    padding-right: var(--emo-space-2);
  }
}