/* style.css — aiagentui overrides on top of Vanilla CSS Framework */

/* ========================
   LAYOUT
   ======================== */
body {
  display: flex;
  min-height: 100vh;
}

/* ========================
   ICON SIDEBAR
   ======================== */
.icon-sidebar {
  width: 86px;
  background: var(--vf-color-background-default);
  border: 1px solid var(--vf-color-border-default);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 10px 0 16px;
  position: fixed;
  left: 0;
  top: 80px;      /* top of the 3-panel cards row: header (64px) + cards-row margin-top (16px) */
  bottom: 20px;   /* bottom of the chat panel: main-wrapper padding-bottom (20px) */
  overflow-y: auto;
  overflow-x: hidden;
  z-index: 100;
  scrollbar-width: none;
}

.icon-sidebar::-webkit-scrollbar {
  display: none;
}


.sidebar-nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  width: 100%;
  padding: 0 6px;
}

/* ========================
   STROKE UTILITIES
   ======================== */
.stroke-none        { stroke: none; }
.stroke-inherit     { stroke: inherit; }
.stroke-current     { stroke: currentColor; }
.stroke-transparent { stroke: transparent; }
.stroke-black       { stroke: #000; }
.stroke-white       { stroke: #fff; }

.sidebar-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  width: 74px;
  box-sizing: border-box;        /* normalize <a> (content-box) to match <button> */
  margin: 0;                     /* drop any UA/Vanilla button margin */
  padding: 8px 4px;
  border-radius: 10px;
  text-decoration: none;
  color: var(--vf-color-text-muted);
  background: transparent;
  border: none;
  -webkit-appearance: none;      /* strip native button rendering that offsets content */
  appearance: none;
  text-align: center;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  font-size: 10.5px;
  font-family: inherit;
  line-height: 1;
}

.sidebar-item:hover {
  background: var(--vf-color-background-hover);
  color: var(--vf-color-text-default);
  text-decoration: none;
}

.sidebar-icon-wrap {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sidebar-icon-img {
  width: 24px;
  height: 24px;
  object-fit: contain;
}

/* Unified icon standard: one monochrome SVG rendered as a CSS mask and colored
   via currentColor. Adapts to the theme through the color variable — no invert
   filter, no JS src-swap, no black/white twin files. Set the file with --icon. */
.app-icon {
  display: inline-block;
  flex: 0 0 auto;
  background-color: currentColor;
  color: var(--vf-color-text-default);
  -webkit-mask: var(--icon) center / contain no-repeat;
          mask: var(--icon) center / contain no-repeat;
}

.sidebar-label {
  text-align: center;
  max-width: 66px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--vf-color-text-muted);
}

/* Dark mode is handled by the .app-icon standard (currentColor + CSS mask),
   so no per-icon invert filter is needed. */

/* ========================
   SIDEBAR POPOVER (per-icon dropdown)
   ======================== */
.sidebar-item-wrap {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Fixed-position flyout: escapes the sidebar's overflow clipping.
   Top/left are set by JS from the clicked icon's rect. */
.sidebar-popover {
  position: fixed;
  width: 250px;
  padding: 8px;
  background: var(--vf-color-background-default);   /* match the Upload / Restore modal background */
  border: 1px solid var(--vf-color-border-default);
  border-radius: 12px;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.12);
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.is-dark .sidebar-popover {
  border-color: #2b2b2c;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.45);
}

.sidebar-popover[hidden] {
  display: none;
}

.sidebar-popover-item,
.sidebar-popover-item:link,
.sidebar-popover-item:visited,
.sidebar-popover-item:active {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  box-sizing: border-box;
  padding: 10px 12px;
  border: none;
  border-radius: 8px;
  background: transparent;
  font-size: 14px;
  font-family: inherit;
  text-align: left;
  cursor: pointer;
  color: var(--vf-color-text-default);
  text-decoration: none;
  -webkit-appearance: none;
  appearance: none;
  transition: background 0.15s;
}

.sidebar-popover-item:hover,
.sidebar-popover-item:focus {
  background: var(--vf-color-background-hover);
  text-decoration: none;
  color: var(--vf-color-text-default);
}

.sidebar-popover-icon {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  object-fit: contain;
}


.theme-toggle-btn .light-icon {
  -webkit-mask-image: url('/static/img/sun-02-stroke-standard-white.svg');
  mask-image: url('/static/img/sun-02-stroke-standard-white.svg');
}

.theme-toggle-btn .dark-icon {
  -webkit-mask-image: url('/static/img/moon-02-stroke-standard-white.svg');
  mask-image: url('/static/img/moon-02-stroke-standard-white.svg');
}


/* ========================
   MAIN WRAPPER
   ======================== */
.main-wrapper {
  margin-left: 86px;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  padding: 0 16px 20px;
  min-width: 0;
  background: var(--vf-color-background-alt);
}

/* ========================
   TOP HEADER
   ======================== */
.top-header {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 0 -16px 0 -102px;   /* extend left over the sidebar column (86px width + 16px wrapper padding) to the viewport edge */
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 50;
}

.top-header.is-dark {
  background: #1a1a1a;
  border-bottom: 1px solid #333;
}

.header-title {
  font-size: 17px;
  font-weight: 600;
  color: #ffffff;
  letter-spacing: -0.01em;
  margin: 0;
}





.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-header-outlined {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border: 1px solid var(--vf-color-border-default);
  border-radius: 8px;
  background: var(--vf-color-background-default);
  color: var(--vf-color-text-default);
  font-size: 13px;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.15s;
  white-space: nowrap;
}

.btn-header-outlined:hover {
  background: var(--vf-color-background-hover);
}

.btn-header-icon {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--vf-color-border-default);
  background: var(--vf-color-background-default);
  color: var(--vf-color-text-default);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.15s;
  flex-shrink: 0;
}

.btn-header-icon:hover {
  background: var(--vf-color-background-hover);
}

.btn-header-primary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: 8px;
  background: var(--vf-color-text-default);
  color: var(--vf-color-background-default);
  font-size: 13px;
  font-family: inherit;
  border: none;
  cursor: pointer;
  transition: opacity 0.15s;
  white-space: nowrap;
}

.btn-header-primary:hover {
  opacity: 0.85;
}

/* ========================
   GRAFANA CARDS ROW
   ======================== */
.cards-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 16px;
}

.metric-card {
  background: var(--vf-color-background-default);
  border: 1px solid var(--vf-color-border-default);
  border-radius: 12px;
  overflow: hidden;
  height: 200px;
}

.grafana-iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

/* ========================
   CHAT PANEL
   ======================== */
.chat-panel {
  display: flex;
  margin-top: 12px;
  background: var(--vf-color-background-default);
  border: 1px solid var(--vf-color-border-default);
  border-radius: 12px;
  overflow: hidden;
  flex: 1;
  min-height: 500px;
}

/* Chat Sidebar */
.chat-sidebar {
  width: 258px;
  min-width: 258px;
  border-right: 1px solid var(--vf-color-border-default);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.chat-sidebar-header {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 2px;
  padding: 10px 10px 6px;
}

.icon-btn {
  width: 30px;
  height: 30px;
  border-radius: 6px;
  background: transparent;
  border: none;
  color: var(--vf-color-text-muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.icon-btn:hover {
  background: var(--vf-color-background-hover);
  color: var(--vf-color-text-default);
}

.chat-agents-list {
  padding: 2px 8px 8px;
}

.chat-agent-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  box-sizing: border-box;
  padding: 7px 8px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 13.5px;
  font-family: inherit;
  text-align: left;
  color: var(--vf-color-text-default);
  text-decoration: none;
  background: none;
  border: none;
  -webkit-appearance: none;
  appearance: none;
  transition: background 0.15s;
}

.chat-agent-item:hover { text-decoration: none; }

.chat-agent-item,
.chat-agent-item:link,
.chat-agent-item:visited,
.chat-agent-item:hover,
.chat-agent-item:focus {
  color: var(--vf-color-text-default);
}

.chat-agent-item:hover {
  background: var(--vf-color-background-hover);
}

.agent-icon-wrap {
  width: 26px;
  height: 26px;
  border-radius: 6px;
  background: none;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
}

.agent-icon {
  width: 16px;
  height: 16px;
  object-fit: contain;
}

.agent-letter {
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  line-height: 1;
}

.chat-history-section {
  flex: 1;
  overflow-y: auto;
  padding: 6px 8px;
  scrollbar-width: thin;
}

.history-label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--vf-color-text-default);
  padding: 4px 8px 6px;
  
}

.history-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 8px;
  border-radius: 6px;
  font-size: 13px;
  color: var(--vf-color-text-default);
  cursor: pointer;
  transition: background 0.15s;
}

.history-item:hover {
  background: var(--vf-color-background-hover);
}

.history-item.active {
  background: var(--vf-color-background-hover);
  font-weight: 500;
}

.history-item-title {
  flex: 1 1 auto;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.history-item-delete {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  padding: 0;
  border: none;
  background: transparent;
  border-radius: 5px;
  color: var(--vf-color-text-muted);
  cursor: pointer;
  opacity: 0;                       /* revealed on row hover, like Claude/ChatGPT */
  transition: opacity 0.15s, background 0.15s, color 0.15s;
}

.history-item:hover .history-item-delete,
.history-item.active .history-item-delete {
  opacity: 1;
}

.history-item-delete:hover {
  background: rgba(255, 0, 0, 0.12);
  color: #ff0000;
}

.chat-sidebar-footer {
  padding: 10px 8px;
  border-top: 1px solid var(--vf-color-border-default);
}

.footer-copyright {
  padding: 4px 8px;
  font-size: 12px;
  color: var(--vf-color-text-muted);
  text-align: center;
}

/* Chat Main */
.chat-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
}

.chat-model-header {
  padding: 10px 16px;
}

/* Custom model dropdown (replaces native <select> so we control the highlight color) */
.model-dropdown {
  position: relative;
  display: inline-block;
}

.model-selector {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin: 0;
  padding: 5px 10px;
  border: none;
  background: transparent;
  font-size: 15px;
  font-weight: 400;
  color: var(--vf-color-text-default);
  cursor: pointer;
  border-radius: 6px;
  font-family: inherit;
  transition: background 0.15s;
}

.model-selector:hover {
  background: var(--vf-color-background-hover);
}

.model-selector:focus,
.model-selector:focus-visible {
  outline: none;
  box-shadow: none;
}

.model-chevron {
  transition: transform 0.15s;
}

.model-dropdown.open .model-chevron {
  transform: rotate(180deg);
}

.model-menu {
  position: absolute;
  top: 100%;
  left: 0;
  margin: 4px 0 0;
  padding: 4px;
  min-width: 100%;
  list-style: none;
  background: var(--vf-color-background-default);
  border: 1px solid var(--vf-color-border-default);
  border-radius: 8px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.18);
  z-index: 60;
}

.model-menu[hidden] {
  display: none;
}

.model-option {
  padding: 7px 12px;
  border-radius: 6px;
  font-size: 14px;
  white-space: nowrap;
  color: var(--vf-color-text-default);
  cursor: pointer;
}

.model-option:hover {
  background: var(--vf-color-background-hover);
}

.model-option[aria-selected="true"] {
  background: var(--vf-color-background-hover);
  font-weight: 600;
}

.chat-body {
  flex: 1;
  overflow-y: auto;
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  scrollbar-width: thin;
}

.chat-greeting {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.chat-greeting h2 {
  font-size: 26px;
  font-weight: 500;
  color: var(--vf-color-text-default);
  text-align: center;
  letter-spacing: -0.02em;
}

.chat-message {
  margin-bottom: 18px;
  font-size: 14px;
  line-height: 1.6;
  word-wrap: break-word;
}

/* User: left-aligned bubble */
.user-message {
  max-width: 72%;
  align-self: flex-start;
  margin-right: auto;
  padding: 10px 14px;
  border-radius: 16px;
  background: var(--vf-color-background-alt);
  border: 1px solid var(--vf-color-border-default);
}

/* Assistant: full-width plain text, no bubble */
.bot-message {
  align-self: stretch;
  width: 100%;
  padding: 2px 0;
  color: var(--vf-color-text-default);
}

/* Chat Input */
.chat-input-area {
  padding: 10px 16px 14px;
}

.chat-file-input {
  display: none;
}

.chat-attachment {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.attachment-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  max-width: 100%;
  padding: 5px 8px 5px 10px;
  border: 1px solid var(--vf-color-border-default);
  border-radius: 8px;
  background: var(--vf-color-background-alt);
  font-size: 12.5px;
  color: var(--vf-color-text-default);
}

.attachment-chip .attachment-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 240px;
}

.attachment-remove {
  border: none;
  background: none;
  color: var(--vf-color-text-muted);
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  padding: 0 2px;
}

.attachment-remove:hover {
  color: var(--vf-color-text-default);
}

.chat-input-box {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--vf-color-background-alt);
  border: 1px solid var(--vf-color-border-default);
  border-radius: 14px;
  padding: 6px 8px;
  margin-bottom: 10px;
  transition: border-color 0.15s;
}

.chat-input-box:focus-within {
  border-color: var(--vf-color-border-high-contrast);
}

.attach-btn {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--vf-color-background-default);
  border: 1px solid var(--vf-color-border-default);
  color: var(--vf-color-text-muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  -webkit-appearance: none;
  appearance: none;
  transition: background 0.15s;
}

.attach-btn:hover {
  background: var(--vf-color-background-hover);
}

.chat-input {
  flex: 1;
  border: none;
  background: transparent;
  font-size: 14px;
  color: var(--vf-color-text-default);
  outline: none;
  font-family: inherit;
  min-width: 0;
}

/* override Vanilla's [type=text]:focus blue outline */
.chat-input:focus,
.chat-input:focus-visible {
  outline: none;
  box-shadow: none;
}

.chat-input::placeholder {
  color: var(--vf-color-text-muted);
}

.send-btn {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--vf-color-background-alt);
  border: 1px solid var(--vf-color-border-default);
  color: var(--vf-color-text-muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  -webkit-appearance: none;
  appearance: none;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.send-btn:hover {
  background: var(--vf-color-background-hover);
}

/* Keep the inline SVG icons from collapsing inside the flex buttons */
.attach-btn svg {
  width: 17px;
  height: 17px;
  flex: 0 0 auto;
  display: block;
}

.send-btn svg {
  width: 15px;
  height: 15px;
  flex: 0 0 auto;
  display: block;
}

.chat-chips {
  display: flex;
  gap: 7px;
  flex-wrap: wrap;
  justify-content: center;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 13px;
  border: 1px solid var(--vf-color-border-default);
  border-radius: 20px;
  background: var(--vf-color-background-default);
  color: var(--vf-color-text-default);
  font-size: 12.5px;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.15s;
  white-space: nowrap;
}

.chip:hover {
  background: var(--vf-color-background-hover);
}

/* ========================
   FLASH MESSAGES
   ======================== */
.flash-messages {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 9999;
  max-width: 360px;
}

.flash-messages .alert {
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 8px;
  border: 1px solid var(--vf-color-border-default);
  background: var(--vf-color-background-default);
  color: var(--vf-color-text-default);
}

/* ========================
   MODALS
   ======================== */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--vf-color-background-overlay);
  z-index: 9000;
  align-items: center;
  justify-content: center;
}

.modal-overlay.active {
  display: flex;
}

.modal-box {
  background: var(--vf-color-background-default);
  border-radius: 14px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
  overflow: hidden;
  margin: 16px;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--vf-color-border-default);
}

.modal-header h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--vf-color-text-default);
  margin: 0;
}

.modal-close {
  width: 26px;
  height: 26px;
  border: none;
  background: transparent;
  font-size: 16px;
  color: var(--vf-color-text-muted);
  cursor: pointer;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s;
  line-height: 1;
}

.modal-close:hover {
  background: var(--vf-color-background-hover);
  color: var(--vf-color-text-default);
}

.modal-body {
  padding: 18px 20px 20px;
}

.modal-body p {
  font-size: 13px;
  color: var(--vf-color-text-muted);
  margin-bottom: 12px;
}

.modal-input {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--vf-color-border-default);
  border-radius: 8px;
  font-size: 13.5px;
  font-family: inherit;
  color: var(--vf-color-text-default);
  background: var(--vf-color-background-inputs);
  outline: none;
  margin-bottom: 10px;
  display: block;
  transition: border-color 0.15s;
}

.modal-input:focus,
.modal-input:focus-visible {
  border-color: var(--vf-color-border-high-contrast);
  outline: none;
  box-shadow: none;
}

/* ========================
   CLAUDE API KEY FORM (matches normal-black/white.svg mockup)
   ======================== */
#claude-modal .modal-box {
  max-width: 480px;            /* mockup panel = 480px wide */
}

/* Input + flush "Submit" button forming one pill (mockup: input rounded-left,
   black Submit button rounded-right, both 40px tall). */
.api-key-form {
  display: flex;
  align-items: stretch;
  height: 40px;
}

.api-key-input {
  flex: 1 1 auto;
  min-width: 0;
  height: 100%;
  border: 1px solid var(--vf-color-border-default);
  border-right: none;
  border-radius: 8px 0 0 8px;
  background: var(--vf-color-background-inputs);
  padding: 0 16px;
  font-size: 14px;
  font-family: inherit;
  color: var(--vf-color-text-default);
  outline: none;
  transition: border-color 0.15s;
}

.api-key-input:focus,
.api-key-input:focus-visible {
  border-color: var(--vf-color-border-high-contrast);
  outline: none;
  box-shadow: none;
}

.api-key-input::placeholder {
  color: var(--vf-color-text-muted);
}

.api-key-submit {
  flex: 0 0 auto;
  height: 100%;
  padding: 0 20px;
  border: none;
  border-radius: 0 8px 8px 0;
  background: var(--vf-color-text-default);      /* black in light theme, white in dark */
  color: var(--vf-color-background-default);
  font-size: 14px;
  font-family: inherit;
  font-weight: 500;
  cursor: pointer;
  transition: opacity 0.15s;
  -webkit-appearance: none;
  appearance: none;
}

.api-key-submit:hover {
  background: var(--vf-color-text-default);       /* keep dark bg; framework button:hover would lighten it */
  color: var(--vf-color-background-default);
  opacity: 0.85;
}

/* Circular close button (mockup: 32px #F6F7F9 circle) */
#claude-modal .modal-close,
#upload-modal .modal-close {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--vf-color-background-hover);
}

/* ========================
   UPLOAD FILES MODAL (matches upload-button/normal*.png mockups)
   ======================== */
#upload-modal .modal-box {
  max-width: 680px;
}

.upload-dropzone {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  text-align: center;
  padding: 34px 24px;
  border: 2px dashed var(--vf-color-border-default);
  border-radius: 12px;
  transition: border-color 0.15s, background 0.15s;
}

.upload-dropzone.dragover {
  border-color: var(--vf-color-text-default);
  background: var(--vf-color-background-hover);
}

.upload-dz-icon {
  color: var(--vf-color-text-muted);
  line-height: 0;
}

.upload-select-btn {
  padding: 10px 18px;
  border: 1px solid var(--vf-color-border-default);
  border-radius: 8px;
  background: var(--vf-color-background-inputs);
  color: var(--vf-color-text-default);
  font-size: 14px;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.15s;
}

.upload-select-btn:hover {
  background: var(--vf-color-background-hover);
}

.upload-dz-title {
  font-size: 15px;
  color: var(--vf-color-text-default);
}

.upload-dz-hint {
  font-size: 13px;
  color: var(--vf-color-text-muted);
  margin-top: -8px;
}

.upload-error {
  color: #d93434;
  font-size: 13px;
  margin-top: 12px;
}

.upload-file-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 12px;
}

.upload-file-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 8px;
  background: var(--vf-color-background-hover);
}

.ufr-icon {
  width: 24px;
  height: 24px;
  flex: 0 0 auto;
  object-fit: contain;
}

.ufr-name {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 14px;
  color: var(--vf-color-text-default);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ufr-remove {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  padding: 0;
  border: none;
  background: transparent;
  border-radius: 6px;
  color: #ff0000;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.ufr-remove:hover {
  background: rgba(255, 0, 0, 0.12);
  color: #ff0000;
}

/* Search chats results */
.search-results {
  margin-top: 6px;
  max-height: 340px;
  overflow-y: auto;
}

.search-result {
  padding: 9px 10px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s;
}

.search-result:hover {
  background: var(--vf-color-background-hover);
}

.search-result-title {
  font-size: 14px;
  color: var(--vf-color-text-default);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.search-result-snippet {
  font-size: 12px;
  color: var(--vf-color-text-muted);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.search-empty {
  padding: 12px 4px;
  font-size: 13px;
  color: var(--vf-color-text-muted);
}

.modal-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 9px 18px;
  background: var(--vf-color-text-default);
  color: var(--vf-color-background-default);
  border: none;
  border-radius: 8px;
  font-size: 13.5px;
  font-family: inherit;
  cursor: pointer;
  transition: opacity 0.15s;
  text-decoration: none;
  margin-bottom: 0;
}

.modal-btn:hover {
  opacity: 0.85;
  color: var(--vf-color-background-default);
  text-decoration: none;
}

/* ========================
   RESTORE A BACKUP MODAL (matches sidebar-button/restore-backup mockups)
   ======================== */
#restore-modal .modal-box {
  max-width: 500px;
  overflow: visible;            /* let the dropdown menu spill past the box */
}

/* Circular grey close button (light theme) — same treatment as the other modals */
#restore-modal .modal-close {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--vf-color-background-hover);
}

#restore-modal .modal-body {
  padding: 22px 24px;
}

/* Custom backup picker (native <select> can't render the mockup's panel) */
.restore-dropdown {
  position: relative;
  width: 100%;
}

.restore-selector {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  width: 100%;
  height: 42px;
  padding: 0 14px;
  border: 1px solid var(--vf-color-border-default);
  border-radius: 8px;
  background: var(--vf-color-background-inputs);
  color: var(--vf-color-text-default);
  font-size: 14px;
  font-family: inherit;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.15s;
}

.restore-selector:hover,
.restore-dropdown.open .restore-selector {
  border-color: var(--vf-color-border-high-contrast);
}

#restore-label {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#restore-label.restore-placeholder {
  color: var(--vf-color-text-muted);
}

.restore-chevron {
  flex: 0 0 auto;
  color: var(--vf-color-text-muted);
  transition: transform 0.15s;
}

.restore-dropdown.open .restore-chevron {
  transform: rotate(180deg);
}

.restore-menu {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  margin: 0;
  padding: 6px;
  max-height: 220px;
  overflow-y: auto;
  list-style: none;
  background: var(--vf-color-background-default);
  border: 1px solid var(--vf-color-border-default);
  border-radius: 10px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
  z-index: 60;
}

.restore-menu[hidden] {
  display: none;
}

.restore-option {
  padding: 10px 12px;
  border-radius: 7px;
  font-size: 14px;
  color: var(--vf-color-text-default);
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.restore-option:hover,
.restore-option.active {
  background: var(--vf-color-background-hover);
}

/* Custom scrollbar to match the mockup's thin rounded thumb */
.restore-menu::-webkit-scrollbar {
  width: 6px;
}

.restore-menu::-webkit-scrollbar-thumb {
  background: var(--vf-color-border-high-contrast);
  border-radius: 3px;
}

.restore-menu::-webkit-scrollbar-track {
  background: transparent;
}

#status-message {
  margin-top: 12px;
  font-size: 14px;
  color: var(--vf-color-text-muted);
}

/* Footer band with right-aligned Restore button */
#restore-modal .modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  padding: 16px 24px;
  border-top: 1px solid var(--vf-color-border-default);
  background: var(--vf-color-background-alt);
  border-radius: 0 0 14px 14px;   /* round bottom corners now that the box is overflow:visible */
}

.restore-submit {
  padding: 10px 22px;
  border: none;
  border-radius: 8px;
  background: var(--vf-color-text-default);      /* black in light theme, white in dark */
  color: var(--vf-color-background-default);
  font-size: 14px;
  font-family: inherit;
  font-weight: 500;
  cursor: pointer;
  transition: opacity 0.15s;
  -webkit-appearance: none;
  appearance: none;
}

.restore-submit:hover {
  background: var(--vf-color-text-default);       /* keep dark bg; framework button:hover would lighten it */
  color: var(--vf-color-background-default);
  opacity: 0.85;
}

.restore-submit:disabled {
  opacity: 0.5;
  cursor: default;
}

/* File list */
#file-list {
  border: 1px solid var(--vf-color-border-default);
  border-radius: 8px;
  overflow: hidden;
}

.file-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 9px 12px;
  font-size: 13px;
  color: var(--vf-color-text-default);
  border-bottom: 1px solid var(--vf-color-border-default);
}

.file-item:last-child {
  border-bottom: none;
}

.file-item button {
  background: #dc2626;
  color: white;
  border: none;
  padding: 4px 10px;
  border-radius: 5px;
  font-size: 12px;
  cursor: pointer;
  font-family: inherit;
}

.file-item button:hover {
  background: #b91c1c;
}

/* ========================
   RESPONSIVE
   ======================== */
@media (max-width: 960px) {
  .cards-row { grid-template-columns: 1fr; }
  .chat-sidebar { display: none; }
}

@media (max-width: 600px) {
  .icon-sidebar { width: 60px; }
  .main-wrapper { margin-left: 60px; }
  .sidebar-label { display: none; }
}