:root {
  --bg: #fafafa;
  --bg-alt: #f0f0f0;
  --bg-aside: #f4f4f4;
  --fg: #222;
  --fg-dim: #666;
  --border: #ddd;
  --accent: #b94a16;
  --accent-bg: #ffe5d8;
  --user-bg: #e8f0fe;
  --asst-bg: #fafafa;
  --code-bg: #f0f0f0;
  --warn-bg: #fff5d8;
  --err-bg: #ffd8d8;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1a1a1a;
    --bg-alt: #232323;
    --bg-aside: #1f1f1f;
    --fg: #e6e6e6;
    --fg-dim: #999;
    --border: #333;
    --accent: #ff8a4f;
    --accent-bg: #3a2218;
    --user-bg: #1f2c3f;
    --asst-bg: #1f1f1f;
    --code-bg: #2a2a2a;
    --warn-bg: #3a2f10;
    --err-bg: #3a1818;
  }
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; overscroll-behavior: none; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", sans-serif;
  font-size: 14px;
  line-height: 1.45;
  background: var(--bg);
  color: var(--fg);
  display: grid;
  grid-template-columns: 280px 1fr;
  height: 100vh;
  overflow: hidden;
  position: fixed;     /* iOS PWA: kein Body-Rubber-Band */
  inset: 0;
}

/* ===== Sidebar ===== */
#sidebar {
  background: var(--bg-aside);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}
.sidebar-head {
  padding: 12px 14px;
  padding-top: max(12px, env(safe-area-inset-top));
  padding-left: max(14px, env(safe-area-inset-left));
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0;
  background: var(--bg-aside);
  z-index: 1;
}
.sidebar-head-row {
  display: flex; align-items: center; justify-content: space-between;
  gap: 8px; margin-bottom: 4px;
}
.sidebar-head h1 { font-size: 14px; margin: 0; font-weight: 600; }
.sidebar-head-buttons { display: flex; gap: 4px; align-items: center; }
#add-project-btn, #reload-btn, #archive-toggle-btn {
  font-size: 11px;
  padding: 3px 9px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg);
  color: var(--fg-dim);
  cursor: pointer;
  font-weight: 500;
  white-space: nowrap;
}
#add-project-btn:hover, #reload-btn:hover, #archive-toggle-btn:hover {
  background: var(--accent-bg);
  color: var(--accent);
  border-color: var(--accent);
}
#reload-btn, #archive-toggle-btn {
  padding: 3px 8px;
  font-size: 14px; line-height: 1;
}
#archive-toggle-btn.active {
  background: var(--accent-bg);
  color: var(--accent);
  border-color: var(--accent);
}
.newsession-project-select {
  font-family: inherit; font-size: 14px;
  padding: 8px 10px;
  border: 1px solid var(--border); border-radius: 6px;
  background: var(--bg); color: var(--fg);
  width: 100%;
}
.state-line { font-size: 11px; color: var(--fg-dim); }
.state-line.locked { color: var(--accent); }
.state-line.ok::before { content: "● "; color: #2c8c2c; }
.state-line.locked::before { content: "● "; color: var(--accent); }

#projects { padding: 6px 0 12px; }
.project { margin: 8px 0 4px; }
.unread-section {
  margin: 0 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
.unread-section-name {
  color: var(--accent) !important;
  display: flex; align-items: center; gap: 8px;
}
.unread-count {
  background: var(--accent);
  color: #fff;
  font-size: 10px;
  padding: 1px 7px;
  border-radius: 999px;
  letter-spacing: 0;
  font-weight: 600;
  min-width: 18px;
  text-align: center;
}
.chat-project-hint {
  display: inline-block;
  margin-left: 8px;
  font-size: 10px;
  color: var(--fg-dim);
  font-weight: normal;
  font-variant: small-caps;
  letter-spacing: 0.02em;
}
.project-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 6px;
  padding: 4px 14px;
}
.project-name {
  font-size: 11px; text-transform: uppercase;
  color: var(--fg-dim); letter-spacing: 0.05em;
  font-weight: 600;
  flex: 1; min-width: 0;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.project-new {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--fg-dim);
  cursor: pointer;
  width: 22px; height: 22px;
  border-radius: 50%;
  font-size: 14px; line-height: 1;
  padding: 0;
  flex: 0 0 auto;
  transition: background 0.1s, color 0.1s, border-color 0.1s;
}
.project-new:hover {
  background: var(--accent-bg);
  color: var(--accent);
  border-color: var(--accent);
}
.chat {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 14px; cursor: pointer;
  font-size: 13px; color: var(--fg);
  border-left: 3px solid transparent;
}
.chat:hover { background: var(--bg-alt); }
.chat.active { background: var(--accent-bg); border-left-color: var(--accent); }
.chat.unread { font-weight: 600; }
.chat.archived { opacity: 0.55; }
.chat.archived .title { font-style: italic; }
.archived-badge {
  font-size: 10px;
  flex: 0 0 auto;
  margin-left: 4px;
  opacity: 0.7;
}
.chat.unread .title::before {
  content: "";
  display: inline-block;
  width: 8px; height: 8px;
  margin-right: 6px;
  border-radius: 50%;
  background: var(--accent);
  vertical-align: middle;
}
.chat .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--fg-dim); flex: 0 0 6px;
}
.chat.running .dot { background: #2c8c2c; box-shadow: 0 0 0 0 rgba(44,140,44,.6);
  animation: pulse 1.6s infinite; }
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(44,140,44,.6); }
  70% { box-shadow: 0 0 0 6px rgba(44,140,44,0); }
  100% { box-shadow: 0 0 0 0 rgba(44,140,44,0); }
}
.chat .title { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chat .count { color: var(--fg-dim); font-size: 11px; flex: 0 0 auto; }
.worktree-badge {
  font-size: 10px;
  background: var(--bg-alt);
  color: var(--fg-dim);
  padding: 1px 6px;
  border-radius: 999px;
  flex: 0 0 auto;
  max-width: 110px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-variant: small-caps;
  letter-spacing: 0.02em;
}

/* ===== Main ===== */
#main {
  display: flex; flex-direction: column;
  background: var(--bg);
  overflow: hidden;
  min-width: 0;        /* sonst pusht ein wide pre den Container */
  position: relative;  /* Anker fuer schwebende Scroll-Pfeile */
}

.scroll-fab {
  position: absolute;
  right: 14px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 75%, transparent);
  color: var(--fg-dim);
  font-size: 16px;
  line-height: 1;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.18s ease;
  z-index: 5;
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}
.scroll-fab[hidden] { display: none; }
.scroll-fab.visible { opacity: 0.85; }
.scroll-fab:hover { opacity: 1; color: var(--fg); }
.login-overlay {
  position: fixed; inset: 0;
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
  padding-top: max(24px, env(safe-area-inset-top));
  padding-bottom: max(24px, env(safe-area-inset-bottom));
  z-index: 1000;
}
.login-overlay[hidden] { display: none; }
.login-card {
  width: 100%;
  max-width: 360px;
  display: flex; flex-direction: column; gap: 12px;
}
.login-title { margin: 0; font-size: 22px; }
.login-sub { margin: 0 0 8px; color: var(--fg-dim); font-size: 14px; }
.login-card input {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--fg);
  font-size: 16px;        /* iOS: kein Auto-Zoom bei Focus */
}
.login-error {
  color: #c62828;
  font-size: 13px;
  margin: 0;
}

.scroll-fab-top { top: 60px; }       /* unter dem Header */
.scroll-fab-bottom {
  /* buendig mit unterem Rand von #messages = ueber Composer (+ Thinking-Indicator).
     --composer-h wird per JS gesetzt, fallback fuer pre-paint. */
  bottom: calc(var(--composer-h, 110px) + 8px);
}
#chat-header {
  padding: 10px 16px;
  padding-top: max(10px, env(safe-area-inset-top));
  padding-left: max(16px, env(safe-area-inset-left));
  padding-right: max(16px, env(safe-area-inset-right));
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 12px;
  background: var(--bg);
}
#toggle-sidebar {
  display: none;
  background: none; border: 1px solid var(--border);
  color: var(--fg);
  font-size: 18px; padding: 2px 10px; border-radius: 4px;
  cursor: pointer;
}
.chat-title { display: flex; gap: 8px; align-items: baseline; flex-wrap: wrap; }
.chat-title strong { font-size: 12px; color: var(--fg-dim); text-transform: uppercase; letter-spacing: 0.05em; }
.chat-title span { font-size: 14px; }

#messages {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;       /* keine horizontale Scrollbar auf der Liste */
  padding: 16px 24px 4px;
  min-width: 0;
  overscroll-behavior: contain;  /* kein Scroll-Chaining an Body (iOS) */
  -webkit-overflow-scrolling: touch;
}
.msg {
  margin: 0 0 14px;
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--asst-bg);
  overflow-wrap: anywhere;  /* lange URLs/Tokens umbrechen */
  word-break: break-word;
  min-width: 0;
}
.msg .body { max-width: 100%; }
.msg-user { background: var(--user-bg); }
.msg header {
  font-size: 11px; color: var(--fg-dim);
  display: flex; gap: 10px; margin-bottom: 6px;
  text-transform: uppercase; letter-spacing: 0.05em;
  align-items: center;
}
.msg .role { font-weight: 600; }
.msg header time { flex: 1; }
.msg-print-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--fg-dim);
  font-size: 16px;
  line-height: 1;
  padding: 2px 6px;
  border-radius: 4px;
  cursor: pointer;
  opacity: 0.55;
  transition: opacity 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}
.msg-print-btn:hover, .msg-print-btn:focus-visible {
  opacity: 1;
  background: var(--code-bg);
  border-color: var(--border);
  outline: none;
}
.msg .body { font-size: 14px; }
.msg .body p { margin: 0.4em 0; }
.msg .body h1 { font-size: 1.3em; margin: 0.5em 0 0.3em; }
.msg .body h2 { font-size: 1.15em; margin: 0.5em 0 0.3em; }
.msg .body h3 { font-size: 1.05em; margin: 0.5em 0 0.3em; }
.msg .body ul { margin: 0.3em 0; padding-left: 1.5em; }
.msg .body li { margin: 0.2em 0; }
.msg .body code {
  background: var(--code-bg); padding: 1px 5px;
  border-radius: 3px; font-size: 0.9em;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
}
.msg .body pre {
  background: var(--code-bg); padding: 10px 12px; border-radius: 6px;
  overflow-x: auto; font-size: 12px; line-height: 1.4;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  margin: 0.5em 0;
  max-width: 100%;
  white-space: pre;          /* Code bleibt unumbrochen, scrollt im pre selber */
}
.msg .body pre code { white-space: pre; }
.msg .body table {
  border-collapse: collapse;
  margin: 0.6em 0;
  font-size: 13px;
  width: auto;
  max-width: 100%;
  display: block;
  overflow-x: auto;
}
.msg .body table th,
.msg .body table td {
  padding: 5px 10px;
  border: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}
.msg .body table thead th {
  background: var(--bg-alt);
  font-weight: 600;
}
.msg .body table tr:nth-child(even) td { background: var(--bg-alt); }
.msg .body pre code { background: none; padding: 0; font-size: inherit; }

/* ===== Thinking-Indikator ===== */
.thinking-indicator {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 24px 12px;
  font-size: 13px;
  color: var(--fg-dim);
  font-style: italic;
  flex: 0 0 auto;
}
.thinking-indicator[hidden] { display: none; }
.thinking-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  flex: 0 0 auto;
  box-shadow: 0 0 0 0 var(--accent);
  animation: thinking-pulse 1.4s ease-in-out infinite;
}
@keyframes thinking-pulse {
  0%   { transform: scale(0.85); opacity: 0.6; box-shadow: 0 0 0 0 rgba(185,74,22,.4); }
  50%  { transform: scale(1.1);  opacity: 1;   box-shadow: 0 0 0 6px rgba(185,74,22,0); }
  100% { transform: scale(0.85); opacity: 0.6; box-shadow: 0 0 0 0 rgba(185,74,22,0); }
}
.thinking-label { flex: 1; }
.thinking-tools {
  font-style: normal;
  font-size: 11px;
  color: var(--fg-dim);
  background: var(--bg-alt);
  padding: 2px 8px;
  border-radius: 999px;
  font-variant-numeric: tabular-nums;
}
.thinking-tools:empty { display: none; }

/* ===== Composer ===== */
#composer {
  border-top: 1px solid var(--border);
  background: var(--bg-aside);
  padding: 10px 16px 14px;
  padding-bottom: max(14px, env(safe-area-inset-bottom));
  padding-left: max(16px, env(safe-area-inset-left));
  padding-right: max(16px, env(safe-area-inset-right));
  display: flex; flex-direction: column; gap: 8px;
}
#input {
  width: 100%; resize: vertical; min-height: 56px; max-height: 240px;
  font-family: inherit; font-size: 14px;
  border: 1px solid var(--border); border-radius: 6px;
  padding: 8px 10px; background: var(--bg); color: var(--fg);
}
#input:disabled { background: var(--bg-alt); cursor: not-allowed; }
.composer-row {
  display: flex; align-items: center; gap: 12px;
  justify-content: space-between;
}
.hint { font-size: 11px; color: var(--fg-dim); }
.hint.warn { color: var(--accent); }
.hint.err { color: #c33; }

.composer-buttons { display: flex; gap: 8px; align-items: center; }
.action-wrap { position: relative; }

#send, #action-btn {
  padding: 7px 18px; font-size: 14px; font-weight: 600;
  border: none; border-radius: 6px; cursor: pointer;
}
#send {
  background: var(--accent); color: #fff;
}
#send:disabled { opacity: 0.5; cursor: not-allowed; }

#action-btn, #mark-read {
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--border);
  font-weight: 500;
  padding: 7px 14px; font-size: 14px;
  border-radius: 6px; cursor: pointer;
}
#action-btn:hover, #mark-read:hover { background: var(--bg-alt); }
#mark-read:disabled { opacity: 0.5; cursor: not-allowed; }

.action-menu {
  position: absolute;
  bottom: calc(100% + 6px);
  right: 0;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0,0,0,.15);
  padding: 4px;
  min-width: 220px;
  z-index: 60;
  display: flex; flex-direction: column; gap: 2px;
}
.action-menu[hidden] { display: none; }

/* Globale Sicherheits-Regel: hidden-Attribute immer respektieren */
[hidden] { display: none !important; }
.action-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px; border: none; background: transparent;
  text-align: left; font-size: 14px; color: var(--fg);
  border-radius: 5px; cursor: pointer; width: 100%;
}
.action-item:hover { background: var(--bg-alt); }
.action-item .ai-icon { font-size: 16px; flex: 0 0 auto; }

/* ===== Assistant-Button (unter letzter Claude-Antwort) ===== */
.assistant-button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: -6px 0 14px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  background: var(--accent-bg);
  border: 1px solid var(--accent);
  border-radius: 999px;
  cursor: pointer;
  transition: transform 0.1s, box-shadow 0.1s;
}
.assistant-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(0,0,0,.1);
}
.assistant-button:active { transform: translateY(0); }

/* ===== Neue-Session-Modal ===== */
.newsession-row {
  display: flex; flex-direction: column; gap: 6px;
  margin-bottom: 12px;
}
.newsession-row > label {
  font-size: 11px; color: var(--fg-dim);
  text-transform: uppercase; letter-spacing: 0.05em;
}
.hint-inline {
  font-weight: normal; text-transform: none; letter-spacing: 0;
  color: var(--fg-dim); margin-left: 4px;
}
.newsession-project {
  font-size: 14px; font-weight: 500;
  padding: 8px 10px;
  border: 1px solid var(--border); border-radius: 6px;
  background: var(--bg-alt);
  color: var(--fg);
}
#newsession-input {
  width: 100%;
  resize: vertical; min-height: 80px; max-height: 240px;
  font-family: inherit; font-size: 14px;
  padding: 8px 10px;
  border: 1px solid var(--border); border-radius: 6px;
  background: var(--bg); color: var(--fg);
}

/* ===== Wizard-Modal ===== */
.wizard-modal {
  max-width: 560px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.wizard-head {
  display: flex; flex-direction: column; gap: 4px;
}
.wizard-progress {
  font-size: 11px;
  color: var(--fg-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.wizard-modal h2 {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--fg-dim);
}
.wizard-question {
  font-size: 16px;
  line-height: 1.45;
  color: var(--fg);
  font-weight: 500;
  padding: 4px 0;
}
.wizard-excerpt {
  font-size: 13px; line-height: 1.5;
  color: var(--fg);
  background: var(--bg-alt);
  border-left: 3px solid var(--accent);
  border-radius: 4px;
  padding: 10px 14px;
  max-height: 28vh;
  overflow-y: auto;
  margin: -4px 0 4px;
}
.wizard-excerpt h1, .wizard-excerpt h2, .wizard-excerpt h3,
.wizard-excerpt h4, .wizard-excerpt h5, .wizard-excerpt h6 {
  margin: 0.4em 0 0.2em; font-size: 1em; font-weight: 600;
  color: var(--fg);
}
.wizard-excerpt p { margin: 0.3em 0; }
.wizard-excerpt ul { margin: 0.3em 0; padding-left: 1.4em; }
.wizard-excerpt code {
  background: var(--code-bg); padding: 1px 4px; border-radius: 3px;
  font-size: 0.9em;
}
.wizard-excerpt pre {
  background: var(--code-bg); padding: 8px 10px; border-radius: 4px;
  overflow-x: auto; font-size: 12px;
  margin: 0.4em 0;
}
.wizard-excerpt table {
  border-collapse: collapse;
  margin: 0.4em 0;
  font-size: 12px;
  display: block;
  overflow-x: auto;
}
.wizard-excerpt table th,
.wizard-excerpt table td {
  padding: 4px 8px;
  border: 1px solid var(--border);
}
.wizard-excerpt table thead th {
  background: var(--bg-alt); font-weight: 600;
}
.wizard-options {
  display: flex; flex-direction: column; gap: 6px;
  max-height: 50vh;
  overflow-y: auto;
}
.wizard-option {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  background: var(--bg);
  transition: background 0.1s, border-color 0.1s;
}
.wizard-option:hover { background: var(--bg-alt); }
.wizard-option input { margin-top: 2px; cursor: pointer; }
.wizard-option input:checked + span { font-weight: 500; }
.wizard-option:has(input:checked) {
  border-color: var(--accent);
  background: var(--accent-bg);
}
.wizard-hint {
  font-size: 13px;
  color: var(--fg-dim);
  font-style: italic;
  padding: 8px 4px;
}
.wizard-custom {
  display: flex; flex-direction: column; gap: 6px;
}
.wizard-custom label {
  font-size: 11px;
  color: var(--fg-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.wizard-custom input {
  font-family: inherit; font-size: 14px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--fg);
}

.btn-primary {
  padding: 8px 16px; font-size: 14px; font-weight: 600;
  background: var(--accent); color: #fff;
  border: 1px solid var(--accent);
  border-radius: 6px; cursor: pointer;
}
.btn-primary:hover { filter: brightness(1.05); }

/* ===== Tool-Chip ===== */
.tool-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 6px 0 14px;
  padding: 4px 10px 4px 8px;
  font-size: 12px;
  color: var(--fg-dim);
  background: transparent;
  border: 1px dashed var(--border);
  border-radius: 999px;
  user-select: none;
}
.tool-chip .tool-icon { font-size: 11px; opacity: 0.7; }
.tool-chip .tool-text { font-variant-numeric: tabular-nums; }

/* ===== Modal ===== */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.45);
  z-index: 200;
  display: flex; align-items: center; justify-content: center;
  padding: 16px;
  padding-top: max(16px, env(safe-area-inset-top));
  padding-bottom: max(16px, env(safe-area-inset-bottom));
}
.modal-backdrop[hidden] { display: none; }
.modal {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px 24px 18px;
  max-width: 460px; width: 100%;
  box-shadow: 0 12px 40px rgba(0,0,0,.3);
}
.modal h2 {
  margin: 0 0 10px; font-size: 16px; font-weight: 600;
}
.modal p {
  margin: 0 0 18px; font-size: 14px; color: var(--fg);
  line-height: 1.5;
}
.modal-buttons {
  display: flex; gap: 8px; justify-content: flex-end;
}
.btn-secondary, .btn-danger {
  padding: 8px 16px; font-size: 14px; font-weight: 500;
  border-radius: 6px; cursor: pointer;
  border: 1px solid var(--border);
}
.btn-secondary {
  background: var(--bg);
  color: var(--fg);
}
.btn-secondary:hover { background: var(--bg-alt); }
.btn-danger {
  background: #c33;
  color: #fff;
  border-color: #c33;
  font-weight: 600;
}
.btn-danger:hover { background: #a22; border-color: #a22; }

/* ===== Connection-Banner (oberhalb des Headers) ===== */
#conn-banner {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 150;
  font-size: 12px;
  text-align: center;
  padding: 6px 12px;
  padding-top: max(6px, env(safe-area-inset-top));
  color: #fff;
  letter-spacing: 0.02em;
}
#conn-banner.reconnecting { background: #b07a16; }
#conn-banner.offline      { background: #c33; }

/* Body bekommt zusätzlichen Top-Abstand wenn Banner sichtbar ist */
body[data-conn="reconnecting"] #chat-header,
body[data-conn="offline"] #chat-header {
  padding-top: max(60px, calc(env(safe-area-inset-top) + 30px));
}
body[data-conn="reconnecting"] #sidebar .sidebar-head,
body[data-conn="offline"] #sidebar .sidebar-head {
  padding-top: max(60px, calc(env(safe-area-inset-top) + 30px));
}

/* ===== Toast ===== */
#toast {
  position: fixed; bottom: 18px; right: 18px;
  background: var(--asst-bg); border: 1px solid var(--border);
  padding: 10px 14px; border-radius: 6px;
  box-shadow: 0 4px 12px rgba(0,0,0,.15);
  max-width: 320px; font-size: 13px;
  z-index: 100;
}
#toast.warn { background: var(--warn-bg); }
#toast.err { background: var(--err-bg); }
#toast.hidden { display: none; }

/* ===== Mobile ===== */
@media (max-width: 720px) {
  body { grid-template-columns: 1fr; }
  #sidebar {
    position: fixed; top: 0; left: 0; bottom: 0;
    width: 80vw; max-width: 320px;
    transform: translateX(-100%);
    transition: transform .2s;
    z-index: 50;
    box-shadow: 0 0 30px rgba(0,0,0,.3);
  }
  body.sidebar-open #sidebar { transform: translateX(0); }
  #toggle-sidebar { display: inline-block; }
  body.sidebar-open::before {
    content: ""; position: fixed; inset: 0; background: rgba(0,0,0,.4);
    z-index: 40;
  }
  /* iPhone-Notch / Dynamic-Island: harter Mindest-Top von 50px,
     plus env() falls Safari es liefert. */
  #chat-header {
    padding-top: max(50px, env(safe-area-inset-top, 50px));
  }
  .sidebar-head {
    padding-top: max(50px, env(safe-area-inset-top, 50px));
  }
}