/* -----------------------------
   1) CSS Variables (Theme)
   ----------------------------- */
:root {

  /* CLIENT SPECIFIC STYLING */
  /* Below are the DEFAULT values: if no tenant recognized in domain */
  
  /* General colors */
  --primary-text-color: #333333;
  --primary-client-color: #737373; /* PRIORITY */
  --secondary-client-color: #cdcdcd; /* PRIORITY */
  --primary-bg-color: #f7f7f8;
  --secondary-bg-color: #ffffff;
  --border-color: #e0e0e0;
  --svg-icon-grey: #696969;

  /* General colors: RGB Version */
  --primary-text-color-rgb: 51, 51, 51;
  --primary-client-color-rgb: 115, 115, 115; /* PRIORITY */
  --secondary-client-color-rgb: 205, 205, 205; /* PRIORITY */
  --primary-bg-color-rgb: 247, 247, 248;
  --secondary-bg-color-rgb: 255, 255, 255;
  --border-color-rgb: 224, 224, 224;
  --svg-icon-grey-rgb: 105, 105, 105;

  /* Background colors */
  --header-bg-color: var(--secondary-bg-color);
  --chat-panel-bg-color: var(--primary-bg-color); 
  --sidebar-panel-bg-color: var(--primary-bg-color);
  --citations-title-bg-color: var(--secondary-client-color);
  --citations-list-bg-color: var(--secondary-bg-color);
  --citation-chip-bg-color: var(--secondary-bg-color);
  --user-message-bg-color: var(--secondary-client-color);
  --assistant-message-bg-color: var(--secondary-bg-color);
  --example-prompt-button-bg-color: var(--secondary-client-color); 
  --area-around-composer-bg-color: var(--secondary-bg-color);  /* visible area, var(--secondary-bg-color); invisible area, var(--primary-bg-color) */
  --area-around-composer-top-border-color: var(--border-color);  /* visible border: var(--border-color); invisible border: var(--primary-bg-color) */
  --prompt-input-bg-color: var(--secondary-bg-color);
  --user-message-attachment-bg-color: var(--secondary-bg-color); 

  /* Text colors */ 
  --header-buttons-text-color: var(--svg-icon-grey);
  --citations-title-text-color: var(--primary-text-color);
  --citations-text-color: var(--primary-text-color);
  --welcome-text-color: var(--primary-text-color);
  --assistant-message-text-color: var(--primary-text-color);
  --user-message-text-color: var(--primary-text-color); 
  --example-prompt-button-text-color: var(--primary-text-color);
  --placeholder-prompt-text-color: #9aa0a6;
  --user-prompt-text-color: var(--primary-text-color);
  --user-message-attachment-text-color: var(--primary-text-color);
  --user-message-attachment-type-text-color: #666;
  --prompt-attachment-file-name-text-color: var(--primary-text-color);
  --prompt-attachment-file-size-text-color: #666;
  
  /* Component colors */
  --citations-icon-color: var(--svg-icon-grey);
  --resizer-color-rgb: var(--primary-client-color-rgb);
  --message-copy-icon-color: var(--svg-icon-grey);  
  --attachment-divider-icon-color: var(--svg-icon-grey);
  --attachment-divider-line-color: rgba(var(--svg-icon-grey-rgb), .30);
  --prompt-attachment-remove-cross-color: #666;
  --avatar-connect-button-color: 40, 167, 69;
  --avatar-disconnect-button-color: 220, 53, 69;   

  /* Hover colors */ 
  --chip-hover-bg-color: rgba(var(--primary-client-color-rgb), .10);
  --mic-hover-bg-color: rgba(var(--primary-client-color-rgb), .10);
  --attach-hover-bg-color: rgba(var(--primary-client-color-rgb), .10);
  --user-message-attachment-hover-bg-color: color-mix(in srgb, rgb(var(--primary-client-color-rgb)) 10%, var(--user-message-attachment-bg-color));
  --prompt-attachment-remove-cross-hover-color: #333;

  /* Sizes and format */
  --sidebar-pct: 20%;  /* initial width of the sidebar */

  /* Content */
  --header-logo-url: url("/static/default_logo.png"); /* PRIORITY */
  --chat-logo-url: var(--header-logo-url);
  --welcome-text: "Welkom!\A\AKies één van de voorbeeldvragen hieronder of stel je eigen vraag om te beginnen."; /* PRIORITY */
  /* Could add favicon here as well */
}

/* -----------------------------
   2) Base / Reset
   ----------------------------- */
*,
*::before,
*::after { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  font-family: Arial, sans-serif;
  color: var(--primary-text-color);
  background: var(--primary-bg-color);
  display: flex;
  flex-direction: column;
}

/* -----------------------------
   3) App Header
   ----------------------------- */
header {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 1rem;
  background: var(--header-bg-color);
  font-size: 1.2rem; 
  font-weight: 700; 
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.header-separator {
  width: 1.5px;
  height: 2.25rem;
  background-color: var(--header-buttons-text-color);
}

/* Reset / Refresh button in header */
.header-btn {
  position: static;
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem;
  border: none;
  border-radius: 0.5rem;
  background: var(--header);
  color: var(--header-buttons-text-color);
  font-size: 1rem;
  cursor: pointer; 
}
.header-btn svg { width: 2rem; height: 2rem; color: var(--header-buttons-text-color); }
.header-btn:hover { filter: brightness(0.90); background: var(--secondary-bg-color); } 
.header-btn:focus-visible { 
  outline: 2px solid var(--primary-client-color);
  outline-offset: 2px;
} 


/* -----------------------------
   4) Layout Columns (Sidebar + Chat)
   ----------------------------- */
.layout {
  flex: 1;               /* fill vertical space below the header */
  display: flex;         /* side-by-side columns */
  overflow: hidden;      /* prevent double scrollbars */
}

/* Sidebar wrapper (title + scrollable list) */
.sidebar {
  display: flex;
  flex-direction: column;
  flex: 0 0 var(--sidebar-pct);
  min-width: 240px;          /* keeps sidebar usable on narrow screens */
  background: var(--sidebar-panel-bg-color); 
  border-right: 1px solid var(--border-color);
  padding: 1rem;      /* space from header/edges */
  gap: 0.75rem;       /* consistent space between cards */
}

/* --- Avatar card (separate from bronnen) --- */
.avatar-card {
  background: linear-gradient(180deg, #ffffff, #fafafa);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  box-shadow: 0 1px 3px rgba(0,0,0,.06);
  overflow: hidden; /* keep rounded corners on media */
  flex: 0 0 auto;
  position: relative; /* ensure absolute positioning is relative to card */
  overflow: hidden;   /* prevent overflow when dragging near edges */
}

/* Responsive media frame (img/video/canvas) */
.avatar-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9; /* change to 1/1, 4/3, etc. if you prefer */
  background:
    radial-gradient(120% 120% at 0% 0%, rgba(var(--primary-client-color-rgb), .10), transparent),
    radial-gradient(120% 120% at 100% 0%, rgba(0,0,0,.04), transparent),
    #fff;
}

.avatar-media {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover; /* ‘contain’ if you want letterboxing instead */
  aspect-ratio: 16 / 9;
  filter: brightness(70%);
}

/* --- New unified control buttons --- */
.avatar-controls {
  position: absolute;
  bottom: .5rem;
  left: .5rem;
  background: white;
  border-radius: 1rem; /* match avatar card rounding */
  display: flex;
  gap: 0.75rem;
  padding: 0.35em 0.5rem;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
  opacity: 1;
  transform: translateY(0);
  transition: opacity .4s ease, transform .4s ease;
}

/* Hidden state while streaming (JS toggles this class) */
.avatar-controls.auto-hidden {
  opacity: 0;
  transform: translateY(6px);
  pointer-events: none;
}

/* When NOT live/streaming, controls should be visible regardless */
.avatar-card:not(.live) .avatar-controls {
  opacity: 1 !important;
  transform: translateY(0) !important;
  pointer-events: auto !important;
}

/* Base (already in your file, included here for completeness) */
.avatarBtn {
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.3s ease, transform 0.2s ease, box-shadow 0.2s ease;
  color: white;
  border-radius: 50%;
  width: 1.75rem;
  height: 1.75rem;
  background-color: rgb(var(--avatar-connect-button-color)); /* 🟢 start */
  line-height: 0;             /* remove inline baseline wiggle */
  padding: 0;                 /* make the circle tight */
}

#btnInterrupt {
  background-color: #dcdcdc;    
  color: rgb(39, 39, 39);  
  position: relative;   
  opacity:.85;    
}

/* Size & block layout for the SVG */
#btnInterrupt svg rect {
  display: block;             /* no baseline gap */
}

/* Greyed-out look when disabled */
#btnInterrupt:disabled {
  background-color: #dcdcdc;       /* light grey background */
  color: rgb(39, 39, 39);                     /* dim text/icon color */
  cursor: default;             /* disabled cursor */
  transform: none;                 /* no hover grow */
  box-shadow: none;                /* remove any pulse/shadow */
  opacity: 0.4;                    /* subtle fade */
}

/* Loading pulse + spinner for Interrupt (mirrors Start/Stop loading) */ 
#btnInterrupt.loading {
  pointer-events: none;
  animation: btn-pulse 0.9s ease-in-out infinite;
  box-shadow: 0 0 0 0 rgba(0,0,0,0.12);
}
#btnInterrupt.loading::after { 
  content: "";
  position: absolute;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  border: 2px solid rgba(39, 39, 39, .85);
  border-top-color: transparent;
  animation: btn-spin 0.75s linear infinite;
}

#btnStartStop svg {
  width: 24px;       /* adjust size */
  height: 24px;
  /* Color is changed using the "color" argument in the AvatarButton*/
}

#btnStartStop:hover, #btnInterrupt:not(:disabled):hover { transform: scale(1.05); filter: opacity(0.80); } 

#btnStartStop[data-state="stop"] {
  background-color: rgb(var(--avatar-disconnect-button-color)); /* 🔴 stop */
}

/* Loading pulse (applies while async start/stop is running) */
#btnStartStop.loading {
  pointer-events: none;            /* ignore extra clicks during async work */
  animation: btn-pulse 0.9s ease-in-out infinite;
  box-shadow: 0 0 0 0 rgba(0,0,0,0.12);
}

/* Larger spinner outside the button area */
#btnStartStop.loading::after { 
  content: "";
  position: absolute;
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 50%;
  border: 2px solid rgba(var(--avatar-connect-button-color), 0.5); /* 🟢 green */
  border-top-color: transparent;
  animation: btn-spin 0.75s linear infinite;
}

/* When data-state="stop", make the spinner red */
#btnStartStop[data-state="stop"].loading::after {
  border: 2px solid rgba(var(--avatar-disconnect-button-color), 0.5); /* 🔴 red */
}

/* Make sure the button can host the ::after spinner */
#btnStartStop { position: relative; }

@keyframes btn-pulse {
  0%   { transform: scale(1.00); box-shadow: 0 0 0 0 rgba(0,0,0,0.12); }
  50%  { transform: scale(1.06); box-shadow: 0 0.15rem 0.6rem 0 rgba(0,0,0,0.18); }
  100% { transform: scale(1.00); box-shadow: 0 0 0 0 rgba(0,0,0,0.12); }
}
@keyframes btn-spin {
  to { transform: rotate(360deg); }
}

/* Bronnen card (title + sources inside) */
.bronnen-card {
  /* margin: 0 1rem 1rem; */
  background: var(--citations-list-bg-color);
  border: 1px solid var(--border-color);
  border-radius: 0.875rem;
  box-shadow: 0 1px 2px rgba(0,0,0,.04);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.bronnen-card[hidden] {
  display: none !important;
}
/* Title bar */
.bronnen-title {
  margin: 0;
  padding: .65rem 1rem;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--citations-title-text-color);
  text-align: center;
  letter-spacing: .01em;
  border-bottom: 1px solid var(--border-color);
  background: var(--citations-title-bg-color);
}

/* Sources list inside card */
.bronnen-card .sources {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 1rem 1rem;
}

/* Vertical drag handle between sidebar and chat: allows changing width of "bronnen" column */
.resizer {
  width: 6px;
  flex: 0 0 6px;
  cursor: col-resize;
  background:
    linear-gradient(to right, transparent 0, transparent 2px, rgba(var(--resizer-color-rgb),.25) 2px, rgba(var(--resizer-color-rgb),.25) 4px, transparent 4px);
} 
.resizer:hover,
.resizer:focus-visible {
  background:
    linear-gradient(to right, transparent 0, transparent 2px, rgba(var(--resizer-color-rgb),.5) 2px, rgba(var(--resizer-color-rgb),.5) 4px, transparent 4px);
  outline: none;
}

/* While dragging, prevent text selection */
.layout.is-resizing {
  user-select: none;
}

/* Scrollable source list */
.sources {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 1rem;
}

/* Individual citation tiles */
.sources .citation {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 3rem;
  margin: 0.5rem auto;
  padding: 0.5rem 0.75rem;
  background: var(--citation-chip-bg-color);
  color: var(--citations-text-color);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  text-align: center;
  font-size: 0.9rem;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: break-word;
  cursor: pointer;
  user-select: none;
  transition: background 0.2s ease;
  position: relative;
  padding-right: 2.25rem; /* space for the icon */
}
.sources .citation:hover { background: var(--chip-hover-bg-color); }

/* Right-aligned SVG icon inside the bubble */
.sources .citation svg.citation-icon {
  position: absolute;
  right: 0.6rem;
  top: 50%;
  transform: translateY(-50%);
  width: 1.5rem;
  height: 1.5rem;
  color: var(--citations-icon-color);          /* uses currentColor in the SVG below */
  opacity: 0.7;
  pointer-events: none;    /* clicks go to the bubble */
}
.sources .citation:hover svg.citation-icon {
  opacity: 1;
  color: var(--primary-client-color);
}

/* Loading state for a citation tile */
.sources .citation.loading {
  opacity: 0.7;             /* dim it a bit */
  pointer-events: none;     /* prevent double clicks */
}

/* Spinner replaces the download icon when loading */
.sources .citation.loading::after {
  content: "";
  position: absolute;
  color: var(--primary-client-color);
  right: 0.6rem;
  top: 50%;
  width: 1.25rem;
  height: 1.25rem;
  margin-top: -0.625rem;    /* center vertically */
  border-radius: 50%;
  border: 2px solid currentColor;
  border-top-color: transparent;
  animation: spin 0.7s linear infinite;
}

.sources .citation.loading svg.citation-icon {
  display: none;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}


/* -----------------------------
   5) Chat Column
   ----------------------------- */
main.chat-wrapper {
  position: relative;
  flex: 1;                /* take remaining width */
  display: flex;
  flex-direction: column;
  padding: 1rem 0 0 0;
  overflow: hidden;
  background: var(--chat-panel-bg-color) var(--chat-logo-url) no-repeat center center;
  background-size: 300px auto;
}

/* Messages scroll area */
#messages {
  flex: 1;
  overflow-y: auto;
  padding-right: 0.5rem;
}

/* Message bubble (base) */
.message {
  position: relative;
  width: fit-content;
  max-width: 70%;
  margin: 1.5rem 0;
  padding: 1rem;
  line-height: 1.4;
  white-space: pre-wrap;
  overflow-wrap: break-word;
  background: var(--assistant-message-bg-color);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
}

/* User message (right-aligned, distinct bg) */
.message.user {
  margin-left: auto;
  margin-right: 5%;
  background: var(--user-message-bg-color);
  color: var(--user-message-text-color);
}

/* Assistant message (full-width card) */
.message.assistant,
.message.assistant.loading {
  width: 90%;
  max-width: 90%;
  margin: 0.5rem auto;     /* center horizontally */
  text-align: left;
  background: var(--assistant-message-bg-color);
  color: var(--assistant-message-text-color)
}

/* Inline loading spinner for assistant bubble */
.message.assistant.loading::after {
  content: "";
  position: absolute;
  bottom: 0.5rem;
  right: 0.75rem;
  width: 1rem;
  height: 1rem;
  border: 2px solid transparent;
  border-top-color: var(--primary-client-color);
  border-right-color: var(--primary-client-color);
  border-bottom-color: var(--primary-client-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

#messages:empty::before {
  content: var(--welcome-text);
  display: block;
  text-align: center;
  color: var(--welcome-text-color);
  font-size: 1.15rem;
  margin-top: 2rem;
  padding: 0 1rem;
  white-space: pre-wrap;
}

.message-attachments {
  margin: 0 0 8px 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* Attachment card - In user message bubbles */
.attachment-card {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  background: var(--user-message-attachment-bg-color); 
  box-shadow: 0 1px 2px rgba(0,0,0,0.08);
  text-decoration: none;
  color: var(--user-message-attachment-text-color);
  transition: all 0.2s ease;
  min-width: 180px;
}
.attachment-card:hover {
  background: var(--user-message-attachment-hover-bg-color);
  transform: translateY(-1px);
}

.attachment-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 0.5rem;
  background: var(--primary-client-color);
  display: flex;
  align-items: center;
  justify-content: center;
}
.attachment-icon svg { width: 20px; height: 20px; fill: var(--user-message-attachment-bg-color); }

.attachment-details {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.attachment-name {
  font-weight: 600;
  font-size: 0.95rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.attachment-type { font-size: 0.8rem; color: var(--user-message-attachment-type-text-color); }

/* When a message contains attachments */
.message.has-attachments { padding-top: 0.75rem; }

/* Wrapping the original text so it sits cleanly below the divider */
.message-body { margin-top: 0.35rem; }

/* Labeled divider between attachments and text */
.attachment-divider {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0.75rem 0 0.75rem;
  color: var(--attachment-divider-icon-color);
  font-size: 0.85rem;
  user-select: none;
}
.attachment-divider::before,
.attachment-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background-color: var(--attachment-divider-line-color);
}
/* Optional small paperclip icon inside the divider label */
.attachment-divider .label {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  white-space: nowrap;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--attachment-divider-icon-color); 
}
.attachment-divider .label svg {
  width: 14px;
  height: 14px;
  opacity: 0.8;
}

/* Copy-to-clipboard icon button on messages */
.copy-btn {
  position: absolute;
  bottom: 0.5rem;
  right: 0.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  padding: 0.25rem;
  border: none;
  background: none;
  cursor: pointer;
  transition: opacity 0.2s ease;
  color: var(--assistant-message-bg-color);
}
.copy-btn svg path { width: 1.5rem; height: 1.5rem; fill: var(--assistant-message-bg-color); stroke: var(--message-copy-icon-color); }
.copy-btn:hover svg path { stroke: var(--primary-client-color); }
.copy-btn:focus-visible {
  outline: 2px solid var(--primary-client-color);
  outline-offset: 2px;
}

/* -----------------------------
   6) Composer / Input Area
   ----------------------------- */
.input-area {
  position: sticky;       /* sticks to bottom of chat column */
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  gap: .5rem;
  padding: 0.75rem;
  background: var(--area-around-composer-bg-color); 
  border-top: 1px solid var(--area-around-composer-top-border-color);
  z-index: 10;
  align-items: flex-end; 
  flex-wrap: wrap;
}

.input-area textarea {
  padding: 0.75rem;
  font-family: inherit;
  font-size: 1rem;
  line-height: 1.5;
  resize: none;
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  min-height: 2.75rem;
  flex: 1 1 auto;
}

/* Paperclip (attach) button */
.icon-btn {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  border: 0px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--prompt-input-bg-color);
  cursor: pointer;
  transition: all 0.2s ease;
}
.icon-btn:hover {
  filter: brightness(0.90);
  transform: translateY(-1px);
  background-color: var(--attach-hover-bg-color);
}
.icon-btn svg {
  width: 1.5rem;
  height: 1.5rem;
  display: block;
  stroke: var(--primary-client-color);
}

/* --- Composer capsule --- */
.composer {
  display: flex;
  align-items: center;
  gap: .5rem;
  width: 100%;
  background: var(--prompt-input-bg-color);
  border: 1px solid var(--border-color);
  border-radius: 1.25rem;        /* rounded pill */
  padding: .35rem .4rem .35rem .4rem;
  box-shadow: 0 1px 2px rgba(0,0,0,.03);
  margin: 0;
}
.input-area .composer { flex: 1 1 auto; }

/* Make the textarea seamless inside the capsule */
.composer textarea {
  flex: 1 1 auto;
  min-height: 2.4rem;
  max-height: calc(25vh);
  padding: .6rem .25rem;
  border: none;
  outline: none;
  resize: none;
  background: transparent;
  color: var(--user-prompt-text-color);
  font-size: 1rem;
  line-height: 1.4;
  overflow-y: auto;
}
.composer textarea::placeholder { color: var(--placeholder-prompt-text-color); }

/* --- Dictate (mic) button --- */
#micBtn {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  border: 0px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--prompt-input-bg-color);
  /* color: #333; */
  cursor: pointer;
  transition: all 0.2s ease;
}

#micBtn:hover {
  filter: brightness(0.90);
  transform: translateY(-1px);
  background-color: var(--mic-hover-bg-color);
}

#micBtn svg {
  width: 1.5rem;
  height: 1.5rem;
  display: block;
  fill: var(--primary-client-color);
}

/* Recording (active dictation) state */
#micBtn.recording {
  background-color: var(--primary-client-color);      /* bright red when recording */
  color: var(--prompt-input-bg-color);
  animation: pulse 1.2s ease-in-out infinite;
  transform: scale(0.8);
}

/* Change the mic icon to white when recording */
#micBtn.recording svg {
  fill: var(--prompt-input-bg-color);
}

/* Subtle pulsing animation to indicate active listening */
@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(var(--primary-client-color-rgb), 0.5);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(var(--primary-client-color-rgb), 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(var(--primary-client-color-rgb), 0);
  }
}

/* Left/Right inline icon buttons inside the capsule */
.composer .icon-btn,
#sendBtn {
  width: 2.35rem;
  height: 2.35rem;
  min-width: 2.35rem;
  min-height: 2.35rem;
  display: inline-flex; 
  align-items: center; 
  justify-content: center;
  border: none; 
  cursor: pointer;
  border-radius: 999px;
}

/* Send button (round) — final visual (wins over earlier generic sizing) */
#sendBtn {
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  background: var(--primary-client-color);
  color: var(--prompt-input-bg-color);
  border-radius: 50%;
}
#sendBtn svg { width: 1.75rem; height: 1.75rem; }
#sendBtn:hover { filter: brightness(0.90); transform: translateY(-1px); }
#sendBtn:focus-visible {
  outline: 2px solid rgba(0,0,0,0.35);
  outline-offset: 2px;
}

/* Busy state — hides icon and shows square */
#sendBtn.busy svg { display: none; }
#sendBtn.busy {
  background: var(--prompt-input-bg-color);
  cursor: default;
}
#sendBtn.busy::before {
  content: "";
  display: block;
  width: 0.75rem;
  height: 0.75rem;
  background-color: var(--primary-client-color);
  border-radius: 0; /* square instead of circle */
}

/* Focus ring on composer when textarea is focused */
.composer:has(textarea:focus-visible) {
  box-shadow: 0 0 0 2px rgba(var(--primary-client-color-rgb), .50);
}

/* Attachments strip (sits above the composer row) */
.attachments {
  order: -1;
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  padding: .25rem 0 0;
  margin: 0;
  flex: 0 0 100%;
}
.attachments:empty { display: none; }

/* File chip - User Input Console */
.attach-chip {
  position: relative;
  display: flex;
  align-items: center;
  gap: .5rem;
  max-width: 260px;
  padding: .5rem .75rem .6rem .5rem;
  background: var(--secondary-bg-color);
  color: var(--prompt-attachment-file-name-text-color);
  border: 1px solid var(--border-color);
  border-radius: .5rem;
  box-shadow: 0 1px 2px rgba(0,0,0,.04);
  transition: background .25s ease, border-color .25s ease; 
}

/* Left icon circle */
.attach-icon {
  flex: 0 0 28px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-client-color);
}
.attach-icon svg { width:16px; height:16px; display:block; fill: var(--secondary-bg-color); }

/* Filename + size */
.attach-meta { min-width:0; display:flex; flex-direction:column; line-height:1.1; }
.attach-name {
  font-size: .9rem;
  white-space: nowrap; 
  overflow: hidden; 
  text-overflow: ellipsis;
  max-width:170px;
}
.attach-size { font-size:.75rem; color: var(--prompt-attachment-file-size-text-color); }

/* Remove (X) */
.attach-remove {
  margin-left: auto;
  border: none; 
  background: none; 
  cursor: pointer;
  color: var(--prompt-attachment-remove-cross-color);  
  padding: .25rem; 
  line-height: 0;
}
.attach-remove:hover { color: var(--prompt-attachment-remove-cross-hover-color); }

/* Progress bar */
.attach-progress {
  position:absolute; left:0; right:0; 
  bottom:-1px; height:3px; 
  background:#eee; 
  border-bottom-left-radius:.5rem; border-bottom-right-radius:.5rem;
  overflow:hidden;
}
.attach-progress > span {
  display:block; height:100%; width:0%;
  background: var(--primary-client-color);
  transition: width .2s ease;
}

/* Completed state */
.attach-chip.done {
  background: rgba(var(--primary-client-color-rgb), .10);
  border-color: rgba(var(--primary-client-color-rgb), .90);
}
.attach-chip.done .attach-progress { display:none; }

/* -----------------------------
   7) Prompt Buttons Overlay
   ----------------------------- */
.prompt-buttons {
  position: absolute;
  bottom: calc(100% + 1rem);
  left: 50%;
  transform: translateX(-50%);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  width: 95%;
  padding: 0;
  background: none;
  border: none;
  box-shadow: none;
  z-index: 20;
}
.prompt-buttons button {
  width: 100%;
  height: 3em;
  padding: 0.75rem;
  font-size: 1rem;
  line-height: 1.2;
  color: inherit;
  background: var(--example-prompt-button-bg-color);
  border: 1px solid var(--border-color);
  color: var(--example-prompt-button-text-color);
  border-radius: 0.5rem;
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: height 0.2s ease, white-space 0.2s ease, filter 0.2s ease;
}
.prompt-buttons button:hover {
  height: auto;
  white-space: normal;
  overflow: visible;
  filter: brightness(0.90);
}
.prompt-buttons button:focus-visible {
  outline: 2px solid var(--primary-client-color);
  outline-offset: 2px;
}

/* -----------------------------
   8) Animations & Reduced Motion
   ----------------------------- */
@keyframes spin { to { transform: rotate(360deg); } }

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

/* -----------------------------
   9) Small-Screen Tweaks
   ----------------------------- */
@media (max-width: 900px) {
  .sidebar { flex-basis: 28%; }
  .message { max-width: 85%; }
}

@media (max-width: 640px) {
  
  /* --- 1. Variable Overrides (The Swap) --- */
  header img {
    content: var(--chat-logo-url) !important;
    width: auto;  /* Resets width to maintain aspect ratio of new image */
    height: 2.5rem; /* Adjust this height to fit your mobile header */
    object-fit: contain;
  }

  /* --- 2. Hide Elements --- */
  
  /* Hide prompt buttons */
  .prompt-buttons {
    display: none !important;
  }

  /* Hide welcome text */
  #messages:empty::before {
    display: none !important;
  }

  /* --- 3. Layout Adjustments --- */
  .layout { flex-direction: column; }
  .sidebar { flex: 0 0 auto; min-width: 100%; }
  .sources .citation { width: 100%; }
  .message { max-width: 95%; }
}