/* ─────────────────────────────────────────────
   components.css — Dialogs, Persona UI, Markdown, Misc
   ───────────────────────────────────────────── */

/* ─── DIALOG BASE ─── */

dialog {
  position: fixed;
  inset: 0;
  margin: auto;
  width: min(480px, calc(100vw - var(--space-6)));
  max-height: min(640px, calc(100vh - var(--space-8)));
  max-height: min(640px, calc(100dvh - var(--space-8)));
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface-1);
  color: var(--color-text);
  overflow: hidden;
}

dialog::backdrop {
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

dialog[open] {
  display: grid;
  grid-template-rows: auto 1fr auto;
  animation: dialog-in var(--duration-normal) var(--ease-out);
}

dialog > header {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border);
  gap: var(--space-3);
}

dialog > header h2 {
  font-family: var(--font-ui);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 0;
  color: var(--color-text);
}

dialog > header form {
  margin: 0;
  padding: 0;
}

dialog > header button[type="submit"] {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  padding: 0;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-text-muted);
  font-size: 0.875rem;
  cursor: pointer;
  transition: color var(--duration-fast), background var(--duration-fast);
}

dialog > header button[type="submit"]:hover {
  color: var(--color-text);
  background: var(--color-surface-2);
}

dialog > section {
  padding: var(--space-5);
  overflow-y: auto;
  overscroll-behavior: contain;
}


/* ─── SETTINGS DIALOG ─── */

#dialog-settings > section {
  display: grid;
  gap: var(--space-4);
}

#dialog-settings label {
  display: block;
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

#encryption-key-input {
  width: 100%;
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  letter-spacing: 0.08em;
  outline: none;
  transition: border-color var(--duration-fast);
}

#encryption-key-input:focus {
  border-color: var(--color-text-muted);
}

#encryption-key-input::placeholder {
  color: var(--color-text-faint);
  letter-spacing: 0.02em;
}

#encryption-status {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  min-height: 1.2em;
  color: var(--color-text-muted);
}

#encryption-status.is-valid {
  color: var(--color-accent-green);
}

#encryption-status.is-invalid {
  color: var(--color-accent-red);
}

#dialog-settings button[type="button"] {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--gutter);
  width: 100%;
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-2);
  color: var(--color-text);
  font-family: var(--font-ui);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background var(--duration-fast), border-color var(--duration-fast);
}

#dialog-settings button[type="button"]:hover {
  background: var(--color-surface-3);
  border-color: var(--color-text-muted);
}

#btn-set-key {
  border-color: var(--color-accent-green) !important;
  color: var(--color-accent-green) !important;
}

#btn-lock {
  border-color: var(--color-accent-red) !important;
  color: var(--color-accent-red) !important;
}


/* ─── PERSONA EDITOR DIALOG ─── */

#dialog-personas {
  max-height: min(720px, calc(100vh - var(--space-8)));
  max-height: min(720px, calc(100dvh - var(--space-8)));
  grid-template-rows: auto 1fr auto;
}

#persona-list {
  display: grid;
  gap: var(--space-5);
  align-content: start;
}

#persona-list fieldset {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-4);
  margin: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  position: relative;
}

#persona-list fieldset input[type="text"] {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  border: none;
  border-bottom: 1px solid var(--color-border);
  border-radius: 0;
  background: transparent;
  color: var(--color-text);
  font-family: var(--font-ui);
  font-size: 0.9375rem;
  font-weight: 600;
  outline: none;
  transition: border-color var(--duration-fast);
}

#persona-list fieldset input[type="text"]:focus {
  border-bottom-color: var(--color-text-muted);
}

#persona-list fieldset input[type="text"]::placeholder {
  color: var(--color-text-faint);
  font-weight: 400;
}

#persona-list fieldset textarea {
  width: 100%;
  min-height: 100px;
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface-1);
  color: var(--color-text-secondary);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.6;
  resize: vertical;
  outline: none;
  transition: border-color var(--duration-fast);
}

#persona-list fieldset textarea:focus {
  border-color: var(--color-text-muted);
}

#persona-list fieldset textarea::placeholder {
  color: var(--color-text-faint);
}

#persona-list fieldset > button[aria-label="Delete persona"] {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  padding: 0;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-text-faint);
  font-size: 0.75rem;
  cursor: pointer;
  transition: color var(--duration-fast), background var(--duration-fast);
}

#persona-list fieldset > button[aria-label="Delete persona"]:hover {
  color: var(--color-accent-red);
  background: rgba(255, 60, 56, 0.1);
}

#btn-add-persona {
  margin: var(--space-4) var(--space-5);
  padding: var(--space-3);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--color-text-muted);
  font-family: var(--font-ui);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  transition: color var(--duration-fast), border-color var(--duration-fast), background var(--duration-fast);
}

#btn-add-persona:hover {
  color: var(--color-text);
  border-color: var(--color-text-muted);
  background: var(--color-surface-2);
}




/* ─── MARKDOWN CONTENT — rendered inside .msg-body ─── */

.msg-body h1,
.msg-body h2,
.msg-body h3,
.msg-body h4,
.msg-body h5,
.msg-body h6 {
  font-family: var(--font-ui);
  font-weight: 600;
  color: var(--color-text);
  margin: 1.25em 0 0.5em 0;
  line-height: 1.3;
  letter-spacing: 0.01em;
}

.msg-body h1 { font-size: 1.25rem; }
.msg-body h2 { font-size: 1.125rem; }
.msg-body h3 { font-size: 1rem; }
.msg-body h4 { font-size: 0.9375rem; }
.msg-body h5 { font-size: 0.875rem; text-transform: uppercase; letter-spacing: 0.05em; }
.msg-body h6 { font-size: 0.8125rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--color-text-muted); }

.msg-body h1:first-child,
.msg-body h2:first-child,
.msg-body h3:first-child {
  margin-top: 0;
}

.msg-body p {
  margin: 0 0 0.75em 0;
  line-height: 1.65;
}

.msg-body p:last-child {
  margin-bottom: 0;
}

.msg-body strong {
  font-weight: 600;
  color: var(--color-text);
}

.msg-body em {
  font-style: italic;
}

.msg-body a {
  color: var(--color-text);
  text-decoration: underline;
  text-decoration-color: var(--color-text-muted);
  text-underline-offset: 2px;
  transition: text-decoration-color var(--duration-fast);
}

.msg-body a:hover {
  text-decoration-color: var(--color-text);
}

/* Inline code */
.msg-body code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  padding: 0.15em 0.4em;
  border-radius: var(--radius-sm);
  background: var(--color-surface-2);
  color: var(--color-text-secondary);
  word-break: break-word;
}

/* Code blocks inside <details> or <pre> */
.msg-body pre {
  margin: 0.75em 0;
  padding: 0;
  border-radius: var(--radius-md);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.msg-body pre code {
  display: block;
  padding: var(--space-4);
  background: transparent;
  border-radius: 0;
  font-size: 0.8125rem;
  line-height: 1.6;
  overflow-x: auto;
  white-space: pre;
  -webkit-overflow-scrolling: touch;
}

/* Code block wrapped in details for expand/collapse */
.msg-body details.code-block {
  margin: 0.75em 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  overflow: hidden;
}

.msg-body details.code-block > summary {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  cursor: pointer;
  border-bottom: 1px solid transparent;
  transition: background var(--duration-fast), border-color var(--duration-fast);
  list-style: none;
}

.msg-body details.code-block > summary::-webkit-details-marker {
  display: none;
}

.msg-body details.code-block > summary::before {
  content: "▸";
  font-size: 0.625rem;
  transition: transform var(--duration-fast);
}

.msg-body details.code-block[open] > summary::before {
  transform: rotate(90deg);
}

.msg-body details.code-block > summary:hover {
  background: var(--color-surface-1);
}

.msg-body details.code-block[open] > summary {
  border-bottom-color: var(--color-border);
}

.msg-body details.code-block pre {
  margin: 0;
  border: none;
  border-radius: 0;
}

/* Lists */
.msg-body ul,
.msg-body ol {
  margin: 0.5em 0 0.75em 0;
  padding-left: 1.5em;
}

.msg-body li {
  margin-bottom: 0.3em;
  line-height: 1.6;
}

.msg-body li::marker {
  color: var(--color-text-faint);
}

.msg-body ul ul,
.msg-body ol ol,
.msg-body ul ol,
.msg-body ol ul {
  margin: 0.2em 0;
}

/* Task lists (GFM) */
.msg-body li input[type="checkbox"] {
  margin-right: 0.4em;
  accent-color: var(--color-accent-green);
  pointer-events: none;
}

/* Blockquotes */
.msg-body blockquote {
  margin: 0.75em 0;
  padding: var(--space-2) var(--space-4);
  border-left: 2px solid var(--color-text-faint);
  color: var(--color-text-muted);
  font-style: italic;
}

.msg-body blockquote p {
  margin-bottom: 0.5em;
}

.msg-body blockquote p:last-child {
  margin-bottom: 0;
}

/* Horizontal rules */
.msg-body hr {
  margin: 1.5em 0;
  border: none;
  border-top: 1px solid var(--color-border);
}

/* Tables */
.msg-body table {
  width: 100%;
  margin: 0.75em 0;
  border-collapse: collapse;
  font-size: 0.8125rem;
  overflow-x: auto;
  display: block;
}

.msg-body thead th {
  padding: var(--space-2) var(--space-3);
  border-bottom: 2px solid var(--color-border);
  text-align: left;
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.msg-body tbody td {
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
  line-height: 1.5;
}

.msg-body tbody tr:last-child td {
  border-bottom: none;
}

/* Images in markdown */
.msg-body img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  margin: 0.5em 0;
}

/* Image container with download button (added by custom renderer) */
.msg-img-wrap {
  position: relative;
  display: inline-block;
  max-width: 100%;
}

.msg-img-wrap img {
  display: block;
}

.msg-img-download {
  position: absolute;
  bottom: var(--space-2);
  right: var(--space-2);
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  padding: 0;
  border: none;
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.6);
  color: var(--color-text);
  font-size: 0.875rem;
  cursor: pointer;
  opacity: 0;
  transition: opacity var(--duration-fast);
}

.msg-img-wrap:hover .msg-img-download {
  opacity: 1;
}


/* ─── TOOL CALL BLOCKS ─── */

details.tool-call {
  margin: 0.5em 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-1);
  overflow: hidden;
}

details.tool-call > summary {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-accent-yellow);
  cursor: pointer;
  list-style: none;
  transition: background var(--duration-fast);
}

details.tool-call > summary::-webkit-details-marker {
  display: none;
}

details.tool-call > summary::before {
  content: "⚡";
  font-size: 0.6875rem;
}

details.tool-call > summary .tool-name {
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

details.tool-call > summary .tool-duration {
  color: var(--color-text-faint);
  font-size: 0.6875rem;
  white-space: nowrap;
}

details.tool-call > summary:hover {
  background: var(--color-surface-2);
}

details.tool-call[open] > summary {
  border-bottom: 1px solid var(--color-border);
}

details.tool-call > .tool-result {
  padding: var(--space-3);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.6;
  color: var(--color-text-muted);
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 300px;
  overflow-y: auto;
}


/* ─── ARTIFACT / CANVAS BLOCKS ─── */

details.artifact {
  margin: 0.75em 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

details.artifact > summary {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-ui);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text);
  cursor: pointer;
  background: var(--color-surface-1);
  list-style: none;
  transition: background var(--duration-fast);
}

details.artifact > summary::-webkit-details-marker {
  display: none;
}

details.artifact > summary::before {
  content: "◧";
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

details.artifact > summary:hover {
  background: var(--color-surface-2);
}

details.artifact[open] > summary {
  border-bottom: 1px solid var(--color-border);
}

details.artifact > .artifact-content {
  padding: var(--space-4);
  background: var(--color-bg);
  max-height: 60vh;
  overflow-y: auto;
}


/* ─── SYNC INDICATOR ─── */

#sync-indicator {
  position: fixed;
  top: var(--space-3);
  right: var(--space-3);
  display: grid;
  grid-auto-flow: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  font-family: var(--font-ui);
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity var(--duration-normal), transform var(--duration-normal);
  pointer-events: none;
  z-index: var(--z-toast);
}

#sync-indicator.is-active {
  opacity: 1;
  transform: translateY(0);
}

#sync-indicator .sync-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent-yellow);
  animation: pulse 1.2s ease-in-out infinite;
}

#sync-indicator.is-done .sync-dot {
  background: var(--color-accent-green);
  animation: none;
}


/* ─── EMPTY STATE ─── */

.empty-state {
  display: grid;
  place-items: center;
  padding: var(--space-8);
  text-align: center;
  gap: var(--space-3);
}

.empty-state-title {
  font-family: var(--font-ui);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
}

.empty-state-sub {
  font-family: var(--font-ui);
  font-size: 0.8125rem;
  color: var(--color-text-faint);
  max-width: 280px;
  line-height: 1.5;
}


/* ─── SCROLLBAR STYLING ─── */

::-webkit-scrollbar {
  width: 4px;
  height: 4px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--color-surface-3);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-faint);
}

/* Firefox */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--color-surface-3) transparent;
}


/* ─── DIALOG ANIMATION ─── */

@keyframes dialog-in {
  from {
    opacity: 0;
    transform: translateY(8px) scale(0.97);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes pulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}


/* ─── MOBILE ADJUSTMENTS ─── */

@media (max-width: 767px) {
  dialog {
    width: calc(100vw - var(--space-4));
    max-height: calc(100vh - var(--space-6));
    max-height: calc(100dvh - var(--space-6));
    border-radius: var(--radius-md);
  }

  .msg-body table {
    font-size: 0.75rem;
  }

  .msg-body thead th,
  .msg-body tbody td {
    padding: var(--space-1) var(--space-2);
  }
}