/* ============================================================
   DEEP AGENT — Premium Design System
   Multi-billion dollar company aesthetic
   ============================================================ */

/* --- Google Fonts Import --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

/* --- CSS Variables / Root --- */
:root {
  --da-primary: #6366f1;
  --da-primary-light: #818cf8;
  --da-primary-dark: #4f46e5;
  --da-accent: #06b6d4;
  --da-accent-2: #8b5cf6;
  --da-surface: #0c0c10;
  --da-surface-2: #141419;
  --da-surface-3: #1a1a22;
  --da-surface-elevated: #20202a;
  --da-border: rgba(255, 255, 255, 0.07);
  --da-border-hover: rgba(255, 255, 255, 0.14);
  --da-text: #eaeaf0;
  --da-text-secondary: #9898a8;
  --da-text-muted: #5a5a6e;
  --da-gradient-primary: linear-gradient(135deg, #6366f1 0%, #06b6d4 100%);
  --da-gradient-accent: linear-gradient(135deg, #8b5cf6 0%, #06b6d4 100%);
  --da-gradient-surface: linear-gradient(180deg, #0f0f14 0%, #13131a 100%);
  --da-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --da-shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --da-shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --da-shadow-glow: 0 0 40px rgba(99, 102, 241, 0.15);
  --da-radius: 12px;
  --da-radius-lg: 16px;
  --da-radius-xl: 20px;
  --da-transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Global Reset & Base --- */
* {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif !important;
}

code, code *, pre, pre * {
  font-family: 'JetBrains Mono', 'Fira Code', monospace !important;
}

body {
  background: var(--da-surface) !important;
  color: var(--da-text) !important;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* --- Sidebar --- */
.MuiDrawer-paper,
div[class*="sidebar"],
aside {
  background: var(--da-surface) !important;
  border-right: 1px solid var(--da-border) !important;
}

/* Sidebar items */
div[class*="sidebar"] a,
div[class*="sidebar"] button {
  border-radius: 8px !important;
  transition: var(--da-transition) !important;
  color: var(--da-text-secondary) !important;
}

div[class*="sidebar"] a:hover,
div[class*="sidebar"] button:hover {
  background: var(--da-surface-3) !important;
  color: var(--da-text) !important;
}

/* --- Main Content Area --- */
main {
  background: var(--da-surface) !important;
}
main > div {
  background: transparent !important;
}

/* --- Header / App Bar --- */
header,
div[class*="header"],
.MuiAppBar-root {
  background: rgba(12, 12, 16, 0.9) !important;
  backdrop-filter: blur(20px) saturate(180%) !important;
  -webkit-backdrop-filter: blur(20px) saturate(180%) !important;
  border-bottom: 1px solid var(--da-border) !important;
}

/* --- Messages --- */
/* User message */
div[class*="userMessage"],
.cl-message-user {
  background: var(--da-surface-elevated) !important;
  border: 1px solid var(--da-border) !important;
  border-radius: var(--da-radius-lg) !important;
  padding: 16px 20px !important;
  margin: 8px 0 !important;
}

/* Assistant message */
div[class*="botMessage"],
.cl-message-assistant {
  background: transparent !important;
  border-radius: var(--da-radius-lg) !important;
  padding: 16px 20px !important;
  margin: 8px 0 !important;
}

/* --- Chat Input / Composer --- */
div[class*="composer"],
textarea[class*="composer"] {
  background: var(--da-surface-2) !important;
  border: 1px solid var(--da-border) !important;
  border-radius: var(--da-radius-lg) !important;
  transition: var(--da-transition) !important;
  color: var(--da-text) !important;
}

div[class*="composer"]:focus-within {
  border-color: var(--da-primary) !important;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12), var(--da-shadow-md) !important;
}

/* Composer action buttons */
div[class*="composer"] button {
  color: var(--da-text-muted) !important;
  transition: var(--da-transition) !important;
}
div[class*="composer"] button:hover {
  color: var(--da-text) !important;
}

/* Input placeholder */
textarea::placeholder,
input::placeholder {
  color: var(--da-text-muted) !important;
  font-weight: 400 !important;
}

/* --- Send Button --- */
button[class*="send"],
button[type="submit"] {
  background: var(--da-gradient-primary) !important;
  border: none !important;
  border-radius: 10px !important;
  transition: var(--da-transition) !important;
  box-shadow: var(--da-shadow-sm) !important;
}

button[class*="send"]:hover,
button[type="submit"]:hover {
  transform: scale(1.05) !important;
  box-shadow: var(--da-shadow-glow), var(--da-shadow-md) !important;
}

/* --- Settings Panel / Dialog --- */
.MuiDialog-paper,
.MuiPaper-root[class*="dialog"],
div[role="dialog"] {
  background: var(--da-surface-2) !important;
}
div[role="dialog"] > div {
  background: var(--da-surface-2) !important;
  border: 1px solid var(--da-border) !important;
  border-radius: var(--da-radius-xl) !important;
  box-shadow: var(--da-shadow-lg) !important;
}

/* Settings title */
.MuiDialogTitle-root,
div[class*="settingsTitle"],
div[role="dialog"] h2 {
  font-weight: 700 !important;
  letter-spacing: -0.02em !important;
  font-size: 1.15rem !important;
  color: var(--da-text) !important;
}

/* Settings text colors */
div[role="dialog"] p,
div[role="dialog"] span {
  color: var(--da-text-secondary) !important;
}
div[role="dialog"] label {
  color: var(--da-text) !important;
  font-weight: 600 !important;
}

/* Select / Dropdown */
.MuiSelect-select,
select,
div[role="dialog"] button[aria-expanded] {
  background: var(--da-surface-3) !important;
  border: 1px solid var(--da-border) !important;
  border-radius: 10px !important;
  color: var(--da-text) !important;
  transition: var(--da-transition) !important;
  padding: 10px 14px !important;
}

.MuiSelect-select:hover,
select:hover,
div[role="dialog"] button[aria-expanded]:hover {
  border-color: var(--da-border-hover) !important;
}

.MuiSelect-select:focus,
select:focus {
  border-color: var(--da-primary) !important;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12) !important;
}

/* Text Input in settings */
div[role="dialog"] input[type="text"],
div[role="dialog"] input:not([type]) {
  background: var(--da-surface-3) !important;
  border: 1px solid var(--da-border) !important;
  border-radius: 10px !important;
  color: var(--da-text) !important;
  padding: 10px 14px !important;
  transition: var(--da-transition) !important;
}
div[role="dialog"] input:focus {
  border-color: var(--da-primary) !important;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12) !important;
  outline: none !important;
}

/* Dropdown menu items */
.MuiMenu-paper,
.MuiPopover-paper {
  background: var(--da-surface-2) !important;
  border: 1px solid var(--da-border) !important;
  border-radius: var(--da-radius) !important;
  box-shadow: var(--da-shadow-lg) !important;
}

.MuiMenuItem-root {
  border-radius: 6px !important;
  margin: 2px 6px !important;
  transition: var(--da-transition) !important;
}

.MuiMenuItem-root:hover {
  background: var(--da-surface-elevated) !important;
}

.MuiMenuItem-root.Mui-selected {
  background: rgba(99, 102, 241, 0.12) !important;
}

/* Switch / Toggle */
.MuiSwitch-track {
  background: var(--da-surface-3) !important;
  border: 1px solid var(--da-border) !important;
}

.MuiSwitch-switchBase.Mui-checked + .MuiSwitch-track {
  background: var(--da-gradient-primary) !important;
  border-color: var(--da-primary) !important;
}

/* Settings action buttons */
div[role="dialog"] button {
  border-radius: 10px !important;
  font-weight: 600 !important;
  text-transform: none !important;
  transition: var(--da-transition) !important;
}

/* Confirm / Primary buttons */
.MuiButton-containedPrimary,
button[class*="confirm"] {
  background: var(--da-gradient-primary) !important;
  border: none !important;
  box-shadow: var(--da-shadow-sm) !important;
}

.MuiButton-containedPrimary:hover,
button[class*="confirm"]:hover {
  box-shadow: var(--da-shadow-glow), var(--da-shadow-md) !important;
  transform: translateY(-1px) !important;
}

/* --- Steps (Thinking/Search/Phase panels) --- */
div[class*="step"],
.cl-step {
  background: var(--da-surface-2) !important;
  border: 1px solid var(--da-border) !important;
  border-radius: var(--da-radius) !important;
  transition: var(--da-transition) !important;
  margin: 6px 0 !important;
}

div[class*="step"]:hover {
  border-color: var(--da-border-hover) !important;
  box-shadow: var(--da-shadow-sm) !important;
}

/* Step header / name */
div[class*="step"] button,
div[class*="step"] summary {
  font-weight: 600 !important;
  color: var(--da-text) !important;
}

/* --- Code Blocks --- */
pre {
  background: var(--da-surface) !important;
  border: 1px solid var(--da-border) !important;
  border-radius: var(--da-radius) !important;
  padding: 16px !important;
  overflow-x: auto !important;
}

code {
  font-size: 0.9em !important;
  line-height: 1.6 !important;
}

/* Inline code */
p code, li code, td code {
  background: rgba(99, 102, 241, 0.1) !important;
  color: var(--da-primary-light) !important;
  padding: 2px 6px !important;
  border-radius: 5px !important;
  font-size: 0.88em !important;
}

/* --- Markdown Content --- */
h1 {
  font-weight: 800 !important;
  letter-spacing: -0.03em !important;
  line-height: 1.1 !important;
  color: var(--da-text) !important;
}

h2 {
  font-weight: 700 !important;
  letter-spacing: -0.025em !important;
  line-height: 1.2 !important;
  color: var(--da-text) !important;
}

h3 {
  font-weight: 600 !important;
  letter-spacing: -0.02em !important;
  color: var(--da-text) !important;
}

p {
  line-height: 1.7 !important;
  color: var(--da-text) !important;
}

strong {
  font-weight: 700 !important;
  color: var(--da-text) !important;
}

/* Links */
a {
  color: var(--da-primary-light) !important;
  text-decoration: none !important;
  transition: var(--da-transition) !important;
}

a:hover {
  color: var(--da-accent) !important;
}

/* --- File Download Element --- */
div[class*="element"],
.cl-file {
  background: var(--da-surface-2) !important;
  border: 1px solid var(--da-border) !important;
  border-radius: var(--da-radius) !important;
  transition: var(--da-transition) !important;
}

div[class*="element"]:hover {
  border-color: var(--da-primary) !important;
  box-shadow: var(--da-shadow-glow) !important;
}

/* --- Ask User Message (Human-in-the-loop) --- */
div[class*="ask"] {
  background: var(--da-surface-2) !important;
  border: 1px solid rgba(99, 102, 241, 0.2) !important;
  border-radius: var(--da-radius-lg) !important;
  box-shadow: 0 0 30px rgba(99, 102, 241, 0.08) !important;
}

/* --- Tooltip --- */
.MuiTooltip-tooltip {
  background: var(--da-surface-elevated) !important;
  border: 1px solid var(--da-border) !important;
  border-radius: 8px !important;
  font-size: 0.82rem !important;
  box-shadow: var(--da-shadow-md) !important;
  color: var(--da-text) !important;
}

/* --- Welcome Screen Logo Title --- */
div[class*="watermark"],
div[class*="logo"] {
  opacity: 1 !important;
}

/* --- Badge / Chip --- */
.MuiChip-root {
  background: rgba(99, 102, 241, 0.1) !important;
  border: 1px solid rgba(99, 102, 241, 0.2) !important;
  color: var(--da-primary-light) !important;
  font-weight: 500 !important;
  border-radius: 8px !important;
}

/* --- Loading / Spinner --- */
.MuiCircularProgress-root {
  color: var(--da-primary) !important;
}

/* --- Selection --- */
::selection {
  background: rgba(99, 102, 241, 0.3) !important;
  color: var(--da-text) !important;
}

/* --- Animations --- */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

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

/* Subtle animation for new messages */
div[class*="Message"] {
  animation: fadeIn 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

/* --- Mobile Responsive --- */
@media (max-width: 768px) {
  div[class*="composer"] {
    border-radius: var(--da-radius) !important;
    margin: 8px !important;
  }
  
  .MuiDialog-paper {
    margin: 8px !important;
    border-radius: var(--da-radius-lg) !important;
  }
}

/* --- Divider --- */
hr, .MuiDivider-root {
  border-color: var(--da-border) !important;
}

/* --- Table --- */
table {
  border-collapse: separate !important;
  border-spacing: 0 !important;
  border: 1px solid var(--da-border) !important;
  border-radius: var(--da-radius) !important;
  overflow: hidden !important;
}

th {
  background: var(--da-surface-3) !important;
  font-weight: 600 !important;
  text-transform: uppercase !important;
  font-size: 0.75rem !important;
  letter-spacing: 0.05em !important;
  color: var(--da-text-secondary) !important;
  padding: 12px 16px !important;
}

td {
  padding: 10px 16px !important;
  border-top: 1px solid var(--da-border) !important;
}

tr:hover td {
  background: var(--da-surface-2) !important;
}

/* --- Blockquote --- */
blockquote {
  border-left: 3px solid var(--da-primary) !important;
  background: rgba(99, 102, 241, 0.05) !important;
  padding: 12px 20px !important;
  border-radius: 0 var(--da-radius) var(--da-radius) 0 !important;
  margin: 16px 0 !important;
}

/* --- Lists --- */
ul, ol {
  padding-left: 24px !important;
}

li {
  margin-bottom: 4px !important;
  line-height: 1.7 !important;
}

li::marker {
  color: var(--da-primary-light) !important;
}

/* --- Login form --- */
form input {
  background: var(--da-surface-3) !important;
  border: 1px solid var(--da-border) !important;
  border-radius: 10px !important;
  color: var(--da-text) !important;
  padding: 10px 14px !important;
}
form input:focus {
  border-color: var(--da-primary) !important;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12) !important;
  outline: none !important;
}

/* SVG color consistency */
svg { color: inherit !important; }

/* Header buttons */
button[aria-expanded] { color: var(--da-text-secondary) !important; }
button[aria-expanded]:hover { color: var(--da-text) !important; }

/* Thread list */
ul li a { color: var(--da-text-secondary) !important; }
ul li a:hover { color: var(--da-text) !important; }

/* Disclaimer */
div[class*="disclaimer"], div[class*="watermark"] {
  color: var(--da-text-muted) !important;
  font-size: 0.75rem !important;
}

/* --- Hide badge-data messages (sent by _send_badge_update) --- */
/* Hide the entire step container that holds badge data */
div.step:has(#da-badge-data) {
  display: none !important;
  height: 0 !important;
  overflow: hidden !important;
  margin: 0 !important;
  padding: 0 !important;
  max-height: 0 !important;
}

/* Also target via the flex-grow wrapper */
div[id^="step-"]:has(#da-badge-data) {
  display: none !important;
  height: 0 !important;
  max-height: 0 !important;
  margin: 0 !important;
  padding: 0 !important;
  overflow: hidden !important;
}

/* --- Capability Badge Styles in Input Toolbar --- */
#da-capability-badges {
  display: flex !important;
  align-items: center !important;
  gap: 3px !important;
  margin-left: 2px !important;
}

.da-badge {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  height: 24px !important;
  min-width: 24px !important;
  padding: 0 7px !important;
  border-radius: 6px !important;
  font-size: 11px !important;
  font-weight: 700 !important;
  letter-spacing: 0.5px !important;
  color: #fff !important;
  user-select: none !important;
  transition: all 0.25s ease !important;
}

/* ACTIVE state: bright color + glow */
.da-badge-active.da-badge-W {
  background: var(--da-primary, #e91e63) !important;
  box-shadow: 0 0 8px rgba(233, 30, 99, 0.5) !important;
  opacity: 1 !important;
}
.da-badge-active.da-badge-T {
  background: var(--da-accent-2, #8b5cf6) !important;
  box-shadow: 0 0 8px rgba(139, 92, 246, 0.5) !important;
  opacity: 1 !important;
  cursor: pointer !important;
}
.da-badge-active.da-badge-S {
  background: #ec4899 !important;
  box-shadow: 0 0 8px rgba(236, 72, 153, 0.5) !important;
  opacity: 1 !important;
  cursor: pointer !important;
}

/* INACTIVE state: dim gray, no glow */
.da-badge-inactive.da-badge-W,
.da-badge-inactive.da-badge-T,
.da-badge-inactive.da-badge-S {
  background: rgba(255, 255, 255, 0.15) !important;
  color: rgba(255, 255, 255, 0.4) !important;
  box-shadow: none !important;
  opacity: 0.6 !important;
  cursor: pointer !important;
}

/* Hover effects */
.da-badge-active:hover {
  opacity: 1 !important;
  transform: scale(1.08) !important;
  filter: brightness(1.15) !important;
}
.da-badge-inactive:hover {
  opacity: 0.8 !important;
  transform: scale(1.08) !important;
  background: rgba(255, 255, 255, 0.22) !important;
}

/* Dropdown search input styling */
#da-dropdown-search {
  font-family: inherit !important;
}
#da-dropdown-search::placeholder {
  color: rgba(255, 255, 255, 0.4) !important;
}

/* --- Mobile dropdown stabilization --- */
@media (max-width: 900px) {
  /* Prevent viewport resize (keyboard) from closing dropdown */
  [data-radix-popper-content-wrapper] {
    overscroll-behavior: contain !important;
    touch-action: pan-y !important;
  }
  /* When keyboard is open, dropdown should use fixed positioning */
  [data-radix-popper-content-wrapper][style*="fixed"] {
    transform: none !important;
  }
  /* Ensure listbox is scrollable on mobile */
  [role="listbox"] {
    -webkit-overflow-scrolling: touch !important;
    overscroll-behavior: contain !important;
    overflow-y: auto !important;
  }
  /* Dropdown search wrapper stays pinned at top */
  #da-dropdown-search-wrap {
    position: sticky !important;
    top: 0 !important;
    z-index: 100 !important;
    background: #1a1a22 !important;
  }
}