/* ═══════════════════════════════════════════════════════════════════════════
   AXXA MAIL — Design System v3
   Pure Dark = #000000. Pure Light = #f1f5f9.
   Patterns from cafea.space: log view, sidebar nav, sync badges, shimmer.
   ═══════════════════════════════════════════════════════════════════════════ */

/* ─── 1. Tokens ───────────────────────────────────────────────────────────── */
:root {
  --font-ui:   "Inter", system-ui, -apple-system, sans-serif;
  --font-mono: ui-monospace, "Cascadia Code", "Fira Code", monospace;

  --r-xs: 5px; --r-sm: 9px; --r-md: 13px; --r-lg: 18px; --r-xl: 24px;
  --t-fast: 90ms ease; --t-base: 170ms ease; --t-slow: 280ms cubic-bezier(.4,0,.2,1);

  --star-color: #f59e0b;
  --sidebar-w: 216px;
  --sidebar-w-collapsed: 54px;
}

/* ─── Pure Dark ───────────────────────────────────────────────────────────── */
:root,
[data-theme="pure-dark"] {
  --brand:       #00ff88;
  --brand-dim:   rgba(0,255,136,.1);
  --brand-glow:  rgba(0,255,136,.22);
  --brand-ink:   #000000;

  --bg:          #000000;   /* TRUE BLACK */
  --surface:     #0c0c0c;
  --surface-2:   #141414;
  --surface-3:   #1e1e1e;

  --border:      rgba(255,255,255,.07);
  --border-hover:rgba(255,255,255,.14);
  --border-focus:rgba(0,255,136,.45);

  --text:        #e4e4e7;
  --text-muted:  #71717a;
  --text-faint:  #3f3f46;

  --green:  #10b981; --red: #ef4444; --orange: #f59e0b; --blue: #60a5fa;

  --sidebar-bg:  rgba(6,6,6,.97);

  --shadow-sm: 0 1px 3px rgba(0,0,0,.9);
  --shadow-md: 0 4px 20px rgba(0,0,0,.9);
  --shadow-lg: 0 20px 60px rgba(0,0,0,.95);
}

/* ─── Pure Light ──────────────────────────────────────────────────────────── */
[data-theme="pure-light"] {
  --brand:       #059669;
  --brand-dim:   rgba(5,150,105,.1);
  --brand-glow:  rgba(5,150,105,.18);
  --brand-ink:   #ffffff;

  --bg:          #f1f5f9;
  --surface:     #ffffff;
  --surface-2:   #f8fafc;
  --surface-3:   #f1f5f9;

  --border:      rgba(15,23,42,.09);
  --border-hover:rgba(15,23,42,.18);
  --border-focus:rgba(5,150,105,.4);

  --text:        #09090b;
  --text-muted:  #52525b;
  --text-faint:  #a1a1aa;

  --green:  #059669; --red: #ef4444; --orange: #d97706; --blue: #2563eb;

  --sidebar-bg:  rgba(255,255,255,.97);

  --shadow-sm: 0 1px 3px rgba(15,23,42,.07);
  --shadow-md: 0 4px 16px rgba(15,23,42,.1);
  --shadow-lg: 0 16px 48px rgba(15,23,42,.13);
}

/* ─── Density ─────────────────────────────────────────────────────────────── */
[data-density="compact"]     { --msg-py: 8px; }
[data-density="comfortable"] { --msg-py: 16px; }
:root                        { --msg-py: 11px; }

/* ─── 2. Reset ────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html  { height: 100%; font-size: 14px; -webkit-font-smoothing: antialiased; }
body  { font-family: var(--font-ui); color: var(--text); background: var(--bg); height: 100%; overflow: hidden; line-height: 1.5; }
#app  { height: 100vh; overflow: hidden; }
button { border: none; background: none; cursor: pointer; color: inherit; font: inherit; }
input, textarea, select { font: inherit; color: inherit; }
svg   { display: block; flex-shrink: 0; }
h1,h2,h3,h4 { font-weight: 600; line-height: 1.3; }
mark { background: rgba(0,255,136,.22); color: inherit; border-radius: 2px; }
[data-theme="pure-light"] mark { background: rgba(5,150,105,.18); }
.sr-only { position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; }

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(circle at top left, var(--brand-dim) 0%, transparent 34%),
    radial-gradient(circle at bottom right, rgba(255,255,255,.04) 0%, transparent 28%),
    var(--bg);
}

.login-card {
  width: min(440px, 100%);
  background: rgba(8, 8, 8, .88);
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: var(--shadow-lg);
  padding: 28px;
  backdrop-filter: blur(20px);
}

[data-theme="pure-light"] .login-card {
  background: rgba(255, 255, 255, .9);
}

.login-brand {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 14px;
  align-items: center;
  margin-bottom: 20px;
}

.login-kicker {
  font-size: 11px;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.login-title {
  font-size: 28px;
  margin-top: 2px;
}

.login-copy {
  color: var(--text-muted);
  margin-top: 6px;
}

.login-form {
  display: grid;
  gap: 10px;
}

.login-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--text-muted);
  margin-top: 6px;
}

.login-input {
  width: 100%;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  padding: 14px 15px;
  outline: none;
}

.login-input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--brand-dim);
}

.login-submit {
  margin-top: 10px;
  border-radius: 14px;
  padding: 14px 16px;
  font-weight: 600;
  background: var(--brand);
  color: var(--brand-ink);
}

.login-submit[disabled] {
  opacity: .6;
  cursor: wait;
}

.login-error {
  color: #f87171;
  margin-top: 4px;
}

/* ─── 3. Layout ───────────────────────────────────────────────────────────── */
.workspace {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  height: 100vh;
  overflow: hidden;
  transition: grid-template-columns var(--t-slow);
}

.workspace:has(.sidebar--collapsed) {
  grid-template-columns: var(--sidebar-w-collapsed) 1fr;
}

.main-col    { display: flex; flex-direction: column; min-width: 0; overflow: hidden; }
.mail-grid   { display: grid; grid-template-columns: 300px 1fr; flex: 1; min-height: 0; overflow: hidden; }

/* ─── 4. Sidebar ──────────────────────────────────────────────────────────── */
.sidebar {
  position: relative;
  display: flex; flex-direction: column; gap: 2px;
  background:
    radial-gradient(circle at top left, var(--brand-dim) 0%, transparent 45%),
    var(--sidebar-bg);
  border-right: 1px solid var(--border);
  backdrop-filter: blur(20px);
  padding: 12px 8px;
  overflow: hidden;
  transition: width var(--t-slow), min-width var(--t-slow);
  width: var(--sidebar-w);
  min-height: 0;
}

.sidebar--collapsed {
  width: var(--sidebar-w-collapsed);
  padding: 12px 6px;
}

/* Brand */
.sidebar-brand {
  display: flex; align-items: center; gap: 8px;
  padding: 2px 4px 12px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 4px; min-height: 48px;
}

.brand-mark {
  display: grid; place-items: center;
  width: 30px; height: 30px; border-radius: var(--r-sm);
  background: var(--brand); color: var(--brand-ink);
  font-size: 13px; font-weight: 800; flex-shrink: 0;
  box-shadow: 0 0 14px var(--brand-glow);
}

.brand-text   { display: flex; flex-direction: column; gap: 1px; min-width: 0; overflow: hidden; }
.brand-label  { font-size: 10px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--brand); opacity: .7; white-space: nowrap; }
.sidebar-user { font-size: 11px; color: var(--text-faint); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* Compose */
.compose-btn {
  display: flex; align-items: center; justify-content: center; gap: 7px;
  padding: 8px 10px; margin: 0 2px 8px;
  border-radius: var(--r-md);
  background: var(--brand); color: var(--brand-ink);
  font-size: 13px; font-weight: 700;
  box-shadow: 0 0 18px var(--brand-dim);
  transition: transform var(--t-base), box-shadow var(--t-base);
  min-width: 0; overflow: hidden;
}
.compose-btn:hover  { transform: translateY(-1px); box-shadow: 0 5px 20px var(--brand-glow); }
.compose-btn:active { transform: scale(.97); }
.sidebar--collapsed .compose-btn { padding: 8px; }

.folder-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 6px 8px;
}

.folder-toolbar-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .14em;
  color: var(--text-faint);
}

.folder-toolbar-btn,
.folder-more-btn {
  display: grid;
  place-items: center;
  min-width: 24px;
  height: 24px;
  border-radius: 8px;
  color: var(--text-faint);
}

.folder-toolbar-btn:hover,
.folder-more-btn:hover {
  background: var(--surface-2);
  color: var(--text);
}

.folder-pending-move {
  margin: 0 4px 8px;
  padding: 8px 10px;
  border: 1px solid var(--border-focus);
  border-radius: 12px;
  background: var(--surface-2);
  font-size: 12px;
}

.folder-pending-actions {
  display: flex;
  gap: 6px;
  margin-top: 8px;
}

.folder-pending-confirm,
.folder-pending-cancel {
  border-radius: 10px;
  padding: 6px 10px;
  background: var(--surface-3);
}

.folder-pending-confirm {
  background: var(--brand);
  color: var(--brand-ink);
}

/* Folder items */
.folder-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  padding-right: 2px;
  scrollbar-width: thin;
}

.folder-nav::-webkit-scrollbar { width: 8px; }
.folder-nav::-webkit-scrollbar-thumb {
  background: var(--border-hover);
  border-radius: 999px;
}

.folder-row {
  display: block;
}

.folder-item {
  position: relative;
  display: flex; align-items: center; gap: 9px;
  padding: 8px 9px; border-radius: var(--r-md);
  border: 1px solid transparent;
  font-size: 13px; color: var(--text-muted); text-align: left;
  transition: border-color var(--t-base), transform var(--t-base), background var(--t-base), color var(--t-fast);
  overflow: hidden; min-width: 0;
}

.folder-item--dragging {
  opacity: .5;
}
.folder-item--child {
  margin-left: calc(var(--folder-depth, 0) * 14px);
  width: calc(100% - (var(--folder-depth, 0) * 14px));
  border-style: dashed;
}
.folder-item:hover {
  background: var(--surface-2); color: var(--text);
  border-color: var(--border-hover); transform: translateX(2px);
}
.folder-item:not(.folder-item--editing) { cursor: grab; }
.folder-item:not(.folder-item--editing):active { cursor: grabbing; }
.folder-item--active {
  border-color: rgba(0,255,136,.3);
  background: linear-gradient(135deg, var(--brand-dim), var(--surface-2));
  box-shadow: 0 4px 16px var(--brand-dim);
  color: var(--brand); font-weight: 600;
}
[data-theme="pure-light"] .folder-item--active { border-color: rgba(5,150,105,.3); color: var(--brand); }

.folder-item--editing,
.folder-item--editing:hover {
  transform: none;
  cursor: text;
  color: var(--text);
  border-color: var(--border-focus);
  background: color-mix(in srgb, var(--surface-2) 88%, transparent);
}

.folder-icon  { width: 15px; height: 15px; flex-shrink: 0; opacity: .6; }
.folder-icon svg { width: 100%; height: 100%; }
.folder-item--active .folder-icon, .folder-item:hover .folder-icon { opacity: 1; }
.folder-name  { flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.folder-badge {
  font-size: 10px; font-weight: 700; background: var(--brand);
  color: var(--brand-ink); border-radius: 99px; padding: 1px 5px;
  min-width: 16px; text-align: center; flex-shrink: 0;
}
.folder-badge-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--brand); flex-shrink: 0;
  position: absolute; right: 8px; top: 50%; transform: translateY(-50%);
  box-shadow: 0 0 6px var(--brand-glow);
}

.folder-count-inline {
  margin-left: auto;
  font-size: 10px;
  color: var(--text-faint);
}

.folder-rename-input {
  flex: 1;
  min-width: 0;
  border: 1px solid var(--border-focus);
  border-radius: 8px;
  background: var(--surface);
  padding: 4px 6px;
}

.folder-context-menu {
  position: fixed;
  z-index: 1000;
  min-width: 180px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  box-shadow: var(--shadow-lg);
  padding: 6px;
}

.folder-context-item {
  display: block;
  width: 100%;
  text-align: left;
  padding: 8px 10px;
  border-radius: 8px;
}

.folder-context-item:hover {
  background: var(--surface-2);
}

.folder-context-item.is-disabled {
  opacity: .4;
  pointer-events: none;
}

.folder-create-row {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-left: 0;
  padding: 8px 9px;
  border-radius: var(--r-md);
  border: 1px dashed var(--border-focus);
  background: color-mix(in srgb, var(--surface-2) 85%, transparent);
}

.folder-create-row--child {
  margin-left: calc(var(--folder-depth, 0) * 14px);
  width: calc(100% - (var(--folder-depth, 0) * 14px));
}

/* Footer */
.sidebar-footer {
  display: flex; align-items: center; gap: 2px;
  padding-top: 8px; border-top: 1px solid var(--border); margin-top: auto;
}
.sidebar--collapsed .sidebar-footer { flex-direction: column; }

.sidebar-icon-btn {
  display: grid; place-items: center;
  width: 30px; height: 30px; border-radius: var(--r-sm);
  color: var(--text-faint);
  transition: background var(--t-base), color var(--t-fast);
}
.sidebar-icon-btn:hover { background: var(--surface-2); color: var(--text); }

/* Collapse button */
.sidebar-collapse-btn {
  position: absolute; right: -11px; top: 50%;
  transform: translateY(-50%);
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--surface-2); border: 1px solid var(--border);
  color: var(--text-muted);
  display: grid; place-items: center;
  opacity: 0; transition: opacity var(--t-base), background var(--t-base);
  z-index: 10;
}
.sidebar:hover .sidebar-collapse-btn { opacity: 1; }
.sidebar-collapse-btn:hover { background: var(--brand); color: var(--brand-ink); border-color: transparent; }

/* ─── 5. Status bar ───────────────────────────────────────────────────────── */
.status-bar {
  display: flex; align-items: center; gap: 8px;
  padding: 4px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--surface); flex-shrink: 0;
  font-size: 11px; color: var(--text-faint);
}
.status-bar-spacer { flex: 1; }

.status-badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 2px 8px; border-radius: 99px; font-size: 10px; font-weight: 700;
  border: 1px solid var(--border); background: var(--surface-2); color: var(--text-muted);
}
.status-badge::before { content:""; width:5px; height:5px; border-radius:50%; background:currentColor; }
.status-badge--live {
  color: var(--brand); border-color: color-mix(in srgb, var(--brand) 30%, transparent);
  background: var(--brand-dim); animation: badge-pulse 2.2s ease-in-out infinite;
}

.list-path,
.list-branch-note {
  font-size: 11px;
  color: var(--text-faint);
}

.list-branch-note {
  margin-top: 4px;
}

.msg-mailbox-row {
  display: flex;
  align-items: center;
  gap: 5px;
  margin-bottom: 3px;
  min-width: 0;
}

.msg-mailbox-icon {
  font-size: 10px;
  color: var(--text-faint);
  flex-shrink: 0;
}

.msg-mailbox {
  display: inline-flex;
  font-size: 10px;
  color: var(--text-faint);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
@keyframes badge-pulse {
  0%,100% { box-shadow: 0 0 0 rgba(0,255,136,0); }
  50%      { box-shadow: 0 0 12px var(--brand-glow); }
}

/* ─── 6. Flash ────────────────────────────────────────────────────────────── */
.flash {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 8px 14px; font-size: 13px; flex-shrink: 0; animation: fade-in var(--t-base);
}
.flash--info    { background: var(--brand-dim); color: var(--brand); border-bottom:1px solid var(--border); }
.flash--error   { background: rgba(239,68,68,.1); color: var(--red); border-bottom:1px solid var(--border); }
.flash--success { background: rgba(16,185,129,.1); color: var(--green); border-bottom:1px solid var(--border); }
.flash-close    { font-size: 12px; opacity:.5; transition: opacity var(--t-fast); }
.flash-close:hover { opacity:1; }

/* ─── 7. Mail grid columns ────────────────────────────────────────────────── */

/* List pane */
.list-pane {
  display: flex; flex-direction: column;
  border-right: 1px solid var(--border);
  background: var(--surface); min-height:0; overflow:hidden;
}
.list-header { padding:12px 12px 8px; border-bottom:1px solid var(--border); flex-shrink:0; }
.list-header-top { display:flex; align-items:center; gap:7px; margin-bottom:9px; }
.list-title { font-size:14px; font-weight:700; }
.list-count {
  font-size:10px; font-weight:700; color:var(--brand); background:var(--brand-dim);
  border:1px solid color-mix(in srgb,var(--brand) 25%,transparent);
  border-radius:99px; padding:1px 6px;
}

/* Search */
.search-wrap { position:relative; display:flex; align-items:center; }
.search-icon { position:absolute; left:9px; color:var(--text-faint); pointer-events:none; }
.search-input {
  width:100%; background:var(--surface-2); border:1px solid var(--border);
  border-radius:var(--r-md); padding:6px 28px 6px 29px; font-size:12px;
  color:var(--text); outline:none;
  transition: border-color var(--t-base), box-shadow var(--t-base);
}
.search-input:focus { border-color:var(--border-focus); box-shadow:0 0 0 3px var(--brand-dim); }
.search-input::placeholder { color:var(--text-faint); }
.search-clear {
  position:absolute; right:8px; color:var(--text-faint); display:grid; place-items:center;
  transition: color var(--t-fast);
}
.search-clear:hover { color:var(--text); }

/* Filter chips */
.filter-chips {
  display:flex; flex-wrap:wrap; align-items:center; gap:5px;
  padding: 7px 0 0;
}
.filter-chip {
  display:inline-flex; align-items:center; gap:4px;
  font-size:11px; font-weight:600;
  background:var(--brand-dim); color:var(--brand);
  border:1px solid color-mix(in srgb,var(--brand) 25%,transparent);
  border-radius:99px; padding:2px 8px;
}
[data-theme="pure-light"] .filter-chip { background:rgba(5,150,105,.1); color:var(--brand); }
.filter-chip-remove {
  font-size:13px; line-height:1; color:inherit; opacity:.6;
  transition: opacity var(--t-fast);
}
.filter-chip-remove:hover { opacity:1; }
.filter-chip-clear {
  font-size:11px; color:var(--text-muted); text-decoration:underline;
  transition: color var(--t-fast);
}
.filter-chip-clear:hover { color:var(--text); }

/* Search hints (quick tokens) */
.search-hints {
  display:flex; gap:4px; flex-wrap:wrap; padding:6px 0 0;
}
.search-hint-tag {
  font-size:10px; font-weight:600; padding:2px 7px; border-radius:99px;
  border:1px solid var(--border); color:var(--text-faint);
  background:var(--surface-2); cursor:pointer;
  transition:border-color var(--t-base), color var(--t-fast), background var(--t-base);
}
.search-hint-tag:hover { border-color:var(--border-focus); color:var(--brand); background:var(--brand-dim); }

/* Message rows */
.message-list { flex:1; overflow-y:auto; overflow-x:hidden; }
.message-list::-webkit-scrollbar { width:3px; }
.message-list::-webkit-scrollbar-thumb { background:var(--border); border-radius:99px; }

.msg-row {
  display:flex; align-items:flex-start; gap:9px;
  padding:var(--msg-py) 12px; width:100%; text-align:left;
  border-bottom:1px solid var(--border);
  transition:background var(--t-base); cursor:pointer;
}
.msg-row:active { cursor: grabbing; }
.msg-row:hover   { background:var(--surface-2); }
.msg-row--active { background:linear-gradient(135deg,var(--brand-dim),var(--surface-2)) !important; }
.msg-row--unread .msg-from    { font-weight:700; color:var(--text); }
.msg-row--unread .msg-subject { font-weight:600; }
.msg-row--unread .msg-row-check::after {
  content:""; position:absolute; top:50%; left:50%;
  transform:translate(-50%,-50%); width:6px; height:6px;
  background:var(--brand); border-radius:50%; box-shadow:0 0 5px var(--brand-glow);
}

.msg-row-check { flex-shrink:0; width:15px; position:relative; }
.msg-checkbox  { display:block; width:13px; height:13px; border:1px solid var(--border); border-radius:3px; margin-top:2px; transition:border-color var(--t-base); }
.msg-row:hover .msg-checkbox { border-color:var(--brand); }

.msg-row-body   { flex:1; min-width:0; }
.msg-row-top    { display:flex; align-items:center; gap:4px; margin-bottom:2px; }
.msg-from       { font-size:13px; font-weight:500; flex:1; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.msg-meta-icons { display:flex; align-items:center; gap:2px; color:var(--text-faint); flex-shrink:0; }
.msg-thread-count {
  font-size:10px; color:var(--text-muted); background:var(--surface-3);
  border-radius:4px; padding:0 4px; font-weight:500;
}
.msg-priority   { font-size:11px; font-weight:800; color:var(--red); }
.msg-time       { font-size:11px; color:var(--text-muted); white-space:nowrap; flex-shrink:0; }
.msg-subject    { font-size:12.5px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; margin-bottom:2px; }
.msg-snippet    { font-size:11.5px; color:var(--text-muted); white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.msg-tag {
  display:inline-block; margin-top:4px;
  font-size:10px; font-weight:700; padding:1px 6px; border-radius:99px;
  background:color-mix(in srgb,var(--tag-color) 14%,transparent);
  color:var(--tag-color); border:1px solid color-mix(in srgb,var(--tag-color) 28%,transparent);
}
.msg-draft-badge {
  display:inline-block; margin-top:4px; font-size:9px; font-weight:800; letter-spacing:.08em;
  padding:1px 6px; border-radius:99px; color:var(--orange);
  background:rgba(245,158,11,.12); border:1px solid rgba(245,158,11,.28);
}

.list-empty { padding:40px 16px; text-align:center; color:var(--text-faint); font-size:13px; display:flex; flex-direction:column; align-items:center; gap:10px; }
.list-footer { padding:6px 14px; font-size:11px; color:var(--text-faint); border-top:1px solid var(--border); flex-shrink:0; display:flex; gap:4px; }
.list-footer-sel { color:var(--brand); }

/* ─── 8. Preview pane ─────────────────────────────────────────────────────── */
.preview-pane { display:flex; flex-direction:column; background:var(--bg); min-height:0; overflow:hidden; }
.preview-pane--empty { display:grid; place-items:center; }
.preview-placeholder { display:flex; flex-direction:column; align-items:center; gap:12px; color:var(--text-faint); font-size:13px; }

.preview-header { padding:12px 18px 0; flex-shrink:0; border-bottom:1px solid var(--border); background:var(--surface); }
.preview-toolbar { display:flex; align-items:center; margin-bottom:10px; gap:7px; }
.preview-toolbar-left { display:flex; align-items:center; gap:3px; flex:1; position:relative; }
.preview-subject { font-size:15px; font-weight:700; padding-bottom:12px; }

.toolbar-btn { display:grid; place-items:center; width:27px; height:27px; border-radius:var(--r-xs); color:var(--text-muted); transition:background var(--t-base),color var(--t-fast); }
.toolbar-btn:hover { background:var(--surface-2); color:var(--text); }
.toolbar-btn--danger:hover { background:rgba(239,68,68,.1); color:var(--red); }

.preview-popover {
  position: absolute;
  top: 34px;
  left: 0;
  z-index: 40;
  min-width: 210px;
  max-width: 320px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  box-shadow: var(--shadow-lg);
  padding: 6px;
}

.preview-popover--more {
  left: auto;
  right: 0;
  min-width: 170px;
}

.preview-popover-title {
  padding: 6px 8px 4px;
  font-size: 10px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.preview-popover-list {
  display: flex;
  flex-direction: column;
  max-height: 240px;
  overflow: auto;
}

.preview-popover-item {
  display: block;
  width: 100%;
  text-align: left;
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 12px;
  color: var(--text);
}

.preview-popover-item:hover {
  background: var(--surface-2);
}
.toolbar-sep { width:1px; height:15px; background:var(--border); margin:0 3px; }

.preview-body { flex:1; overflow-y:auto; padding:18px; }
.preview-body::-webkit-scrollbar { width:3px; }
.preview-body::-webkit-scrollbar-thumb { background:var(--border); border-radius:99px; }

.msg-thread-item { background:var(--surface); border:1px solid var(--border); border-radius:var(--r-lg); overflow:hidden; }
.thread-sender-row { display:flex; align-items:flex-start; gap:10px; padding:16px 18px 12px; }

.avatar { display:grid; place-items:center; width:var(--av-size,34px); height:var(--av-size,34px); border-radius:50%; background:var(--av-bg,#059669); color:#fff; font-size:calc(var(--av-size,34px)*.38); font-weight:700; flex-shrink:0; letter-spacing:-.5px; }

.thread-sender-info { flex:1; min-width:0; display:flex; flex-wrap:wrap; align-items:baseline; gap:4px; }
.thread-from  { font-weight:700; font-size:13px; }
.thread-addr  { font-size:11px; color:var(--text-muted); }
.thread-to-label { font-size:10px; color:var(--brand); background:var(--brand-dim); border-radius:4px; padding:1px 5px; }
.thread-meta  { display:flex; flex-direction:column; align-items:flex-end; gap:5px; flex-shrink:0; }
.thread-date  { font-size:11px; color:var(--text-muted); white-space:nowrap; }
.thread-actions { display:flex; gap:2px; }
.thread-cc    { padding:0 18px 8px; font-size:11px; color:var(--text-muted); }
.thread-body  { padding:4px 18px 18px; font-size:13.5px; line-height:1.85; white-space:pre-wrap; }

.reply-bar { display:flex; gap:7px; padding:12px 18px; border-top:1px solid var(--border); background:var(--surface-2); flex-shrink:0; }
.reply-btn {
  display:flex; align-items:center; gap:5px; padding:6px 12px; border-radius:var(--r-sm);
  border:1px solid var(--border); font-size:12px; font-weight:500; color:var(--text-muted);
  background:var(--surface); transition:background var(--t-base),color var(--t-fast),border-color var(--t-base);
}
.reply-btn:hover { background:var(--surface-3); color:var(--text); border-color:var(--border-hover); }

/* ─── 9. Composer ─────────────────────────────────────────────────────────── */
.overlay {
  position:fixed; inset:0; background:rgba(0,0,0,.6); backdrop-filter:blur(4px);
  display:grid; place-items:end end; padding:0 22px 22px; z-index:100;
  animation:fade-in var(--t-base);
}
@keyframes fade-in { from { opacity:0; } to { opacity:1; } }

.composer-dialog {
  width:min(540px,100%); max-height:calc(100vh - 44px);
  background:var(--surface); border:1px solid var(--border); border-radius:var(--r-lg);
  box-shadow:var(--shadow-lg), 0 0 36px var(--brand-dim);
  display:flex; flex-direction:column; overflow:hidden; animation:slide-up var(--t-slow);
}
@keyframes slide-up { from { transform:translateY(22px); opacity:0; } to { transform:translateY(0); opacity:1; } }

.composer-header { display:flex; align-items:center; justify-content:space-between; padding:9px 13px; background:var(--surface-2); border-bottom:1px solid var(--border); flex-shrink:0; }
.composer-title  { font-size:12px; font-weight:700; }
.composer-header-actions { display:flex; gap:3px; }

.composer-field  { display:flex; align-items:center; border-bottom:1px solid var(--border); padding:0 13px; }
.composer-label  { font-size:11px; color:var(--text-muted); width:44px; flex-shrink:0; }
.composer-input  { flex:1; background:none; border:none; outline:none; padding:9px 0; font-size:13px; }
.composer-body   { flex:1; border:none; outline:none; background:none; resize:none; padding:13px; font-size:13px; line-height:1.7; min-height:220px; }
.composer-footer { display:flex; align-items:center; justify-content:space-between; padding:9px 13px; border-top:1px solid var(--border); background:var(--surface-2); flex-shrink:0; }
.composer-footer-left { display:flex; align-items:center; gap:7px; }
.compose-send-btn {
  display:flex; align-items:center; gap:5px; padding:7px 16px; border-radius:var(--r-sm);
  background:var(--brand); color:var(--brand-ink); font-size:13px; font-weight:700;
  box-shadow:0 0 14px var(--brand-dim);
  transition:transform var(--t-base),box-shadow var(--t-base);
}
.compose-send-btn:hover  { transform:translateY(-1px); box-shadow:0 5px 18px var(--brand-glow); }
.compose-send-btn:active { transform:scale(.97); }
.composer-delete-btn:hover { background:rgba(239,68,68,.1); color:var(--red); }

/* ─── 10. Settings overlay ────────────────────────────────────────────────── */
.settings-overlay {
  position:fixed; inset:0; background:rgba(0,0,0,.65); backdrop-filter:blur(6px);
  display:grid; place-items:center; z-index:200; padding:20px;
}

.settings-panel {
  width:min(820px,100%); height:min(620px,90vh);
  background:var(--surface); border:1px solid var(--border); border-radius:var(--r-xl);
  box-shadow:var(--shadow-lg);
  display:flex; flex-direction:column; overflow:hidden;
}

.settings-header {
  display:flex; align-items:center; justify-content:space-between;
  padding:12px 18px; border-bottom:1px solid var(--border); background:var(--surface-2); flex-shrink:0;
}
.settings-header-left { display:flex; align-items:center; gap:8px; }
.settings-title-icon  { color:var(--text-muted); }
.settings-title       { font-size:14px; font-weight:700; }
.settings-close       { color:var(--text-muted); }

.settings-body {
  display:grid; grid-template-columns:180px 1fr; flex:1; min-height:0; overflow:hidden;
}

/* Settings nav — cafea-admin-nav style */
.settings-nav {
  border-right:1px solid var(--border); padding:14px 10px;
  overflow-y:auto; background:var(--surface-2); display:flex; flex-direction:column; gap:3px;
}
.settings-nav-kicker {
  font-size:10px; font-weight:700; letter-spacing:.12em; text-transform:uppercase;
  color:var(--text-faint); margin-bottom:8px; padding:0 6px;
}
.settings-nav-btn {
  display:flex; align-items:center; gap:9px;
  padding:9px 10px; border-radius:var(--r-md); border:1px solid transparent;
  font-size:13px; color:var(--text-muted); text-align:left; width:100%;
  transition:border-color var(--t-base),transform var(--t-base),background var(--t-base),color var(--t-fast);
}
.settings-nav-btn:hover { background:var(--surface-3); color:var(--text); transform:translateX(2px); }
.settings-nav-btn.is-active {
  border-color:rgba(0,255,136,.28); background:linear-gradient(135deg,var(--brand-dim),var(--surface-3));
  color:var(--brand); font-weight:600;
}
[data-theme="pure-light"] .settings-nav-btn.is-active { border-color:rgba(5,150,105,.28); }
.settings-nav-badge {
  margin-left:auto; font-size:10px; font-weight:700; color:var(--brand);
  background:var(--brand-dim); border-radius:99px; padding:1px 5px;
}

/* Settings content */
.settings-content { flex:1; overflow-y:auto; padding:20px; min-width:0; }
.settings-content::-webkit-scrollbar { width:3px; }
.settings-content::-webkit-scrollbar-thumb { background:var(--border); border-radius:99px; }

.settings-section { display:flex; flex-direction:column; gap:14px; }
.settings-section-header { display:flex; flex-direction:column; gap:3px; }
.settings-kicker { font-size:10px; font-weight:700; letter-spacing:.12em; text-transform:uppercase; color:var(--brand); opacity:.75; }
.settings-section-title { font-size:16px; font-weight:700; }
.settings-section-desc  { font-size:12px; color:var(--text-muted); }

.settings-card {
  background:var(--surface-2); border:1px solid var(--border); border-radius:var(--r-lg);
  padding:14px; display:flex; flex-direction:column; gap:10px;
}
.settings-card-title { font-size:12px; font-weight:700; color:var(--text); text-transform:uppercase; letter-spacing:.06em; }
.settings-card-desc  { font-size:12px; color:var(--text-muted); }
.settings-card-row-header { display:flex; align-items:center; justify-content:space-between; gap:10px; }

/* Fields */
.settings-field { display:flex; flex-direction:column; gap:5px; }
.settings-label { font-size:11px; font-weight:600; color:var(--text-muted); text-transform:uppercase; letter-spacing:.05em; }
.settings-input, .settings-select, .settings-textarea {
  background:var(--surface); border:1px solid var(--border); border-radius:var(--r-sm);
  padding:7px 10px; font-size:13px; outline:none;
  transition:border-color var(--t-base),box-shadow var(--t-base);
}
.settings-input:focus, .settings-select:focus, .settings-textarea:focus {
  border-color:var(--border-focus); box-shadow:0 0 0 3px var(--brand-dim);
}
.settings-input:disabled { opacity:.4; cursor:not-allowed; }
.settings-textarea { resize:vertical; min-height:120px; font-family:var(--font-mono); line-height:1.7; }
.settings-select { background:var(--surface); width:100%; }

/* Toggle switch */
.settings-toggle-row { display:flex; align-items:center; justify-content:space-between; gap:12px; }
.settings-toggle-label { font-size:13px; color:var(--text); }
.toggle-switch { position:relative; display:inline-block; width:36px; height:20px; flex-shrink:0; }
.toggle-switch input { opacity:0; width:0; height:0; }
.toggle-knob {
  position:absolute; inset:0; border-radius:99px; background:var(--surface-3);
  border:1px solid var(--border); cursor:pointer;
  transition:background var(--t-base);
}
.toggle-knob::before {
  content:""; position:absolute; left:2px; top:2px;
  width:14px; height:14px; border-radius:50%; background:var(--text-muted);
  transition:transform var(--t-base),background var(--t-base);
}
.toggle-switch input:checked + .toggle-knob { background:var(--brand-dim); border-color:var(--brand); }
.toggle-switch input:checked + .toggle-knob::before { transform:translateX(16px); background:var(--brand); }

/* Radio group */
.settings-radio-group { display:flex; gap:7px; flex-wrap:wrap; }
.settings-radio-option {
  padding:6px 14px; border-radius:var(--r-md); border:1px solid var(--border);
  font-size:13px; cursor:pointer; color:var(--text-muted);
  transition:border-color var(--t-base),color var(--t-fast),background var(--t-base);
}
.settings-radio-option:hover { border-color:var(--border-hover); color:var(--text); }
.settings-radio-option.is-selected { border-color:rgba(0,255,136,.4); color:var(--brand); background:var(--brand-dim); }
[data-theme="pure-light"] .settings-radio-option.is-selected { border-color:rgba(5,150,105,.35); }

/* Buttons */
.settings-btn {
  display:inline-flex; align-items:center; gap:6px; padding:6px 14px;
  border:1px solid var(--border); border-radius:var(--r-sm);
  font-size:12px; font-weight:600; color:var(--text-muted);
  background:var(--surface); transition:background var(--t-base),color var(--t-fast);
}
.settings-btn:hover { background:var(--surface-3); color:var(--text); }
.settings-btn-primary { background:var(--brand); color:var(--brand-ink); border-color:transparent; font-weight:700; }
.settings-btn-primary:hover { box-shadow:0 4px 14px var(--brand-glow); }
.settings-badge { font-size:10px; color:var(--text-faint); }

/* Theme swatches */
.theme-swatches { display:flex; gap:10px; }
.theme-swatch {
  flex:1; display:flex; flex-direction:column; align-items:center; gap:8px;
  padding:10px; border-radius:var(--r-md); border:2px solid var(--border);
  transition:border-color var(--t-base),box-shadow var(--t-base);
}
.theme-swatch:hover { border-color:var(--border-hover); }
.theme-swatch.is-active { border-color:var(--brand); box-shadow:0 0 16px var(--brand-dim); }
.swatch-preview { display:block; width:100%; height:44px; border-radius:var(--r-sm); border:1px solid var(--border); }
.swatch-dark    { background:linear-gradient(135deg,#000 60%,#0c0c0c); }
.swatch-light   { background:linear-gradient(135deg,#f1f5f9 60%,#fff); }
.swatch-label   { font-size:12px; font-weight:700; }
.swatch-sub     { font-size:10px; color:var(--text-faint); font-family:var(--font-mono); }

/* Shortcuts */
.shortcuts-grid { display:grid; grid-template-columns:1fr 1fr; gap:7px; }
.shortcut-row   { display:flex; align-items:center; gap:8px; }
.shortcut-key   { font-family:var(--font-mono); font-size:11px; padding:2px 7px; border:1px solid var(--border); border-radius:5px; background:var(--surface); color:var(--text-muted); white-space:nowrap; }
.shortcut-desc  { font-size:12px; color:var(--text-muted); }

/* Rules */
.rules-list { display:flex; flex-direction:column; gap:7px; }
.rules-empty { display:flex; flex-direction:column; align-items:center; gap:8px; padding:24px; color:var(--text-faint); font-size:13px; text-align:center; }
.rule-card  { display:flex; align-items:center; justify-content:space-between; gap:10px; background:var(--surface-2); border:1px solid var(--border); border-radius:var(--r-md); padding:10px 12px; }
.rule-card-body { display:flex; align-items:center; gap:7px; flex:1; flex-wrap:wrap; font-size:12px; }
.rule-index { color:var(--brand); font-weight:700; font-family:var(--font-mono); flex-shrink:0; }
.rule-cond  { color:var(--text-muted); }
.rule-cond strong { color:var(--text); }
.rule-cond em     { color:var(--text); font-style:normal; }
.rule-arrow { color:var(--text-faint); }
.rule-action-badge { font-size:11px; font-weight:700; color:var(--brand); background:var(--brand-dim); border:1px solid color-mix(in srgb,var(--brand) 25%,transparent); border-radius:99px; padding:2px 8px; }
.rule-add-card .settings-btn-primary { align-self:flex-start; }
.rule-form-grid { display:grid; grid-template-columns:1fr 1fr 1fr; gap:10px; }
.settings-select--inline { width:auto; min-width:120px; }
.settings-btn-row { display:flex; gap:8px; flex-wrap:wrap; }
.identity-list { display:flex; flex-direction:column; gap:8px; }
.identity-row {
  display:grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr) auto auto;
  gap:8px;
  align-items:center;
}
.identity-default {
  display:flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  color:var(--text-muted);
  white-space:nowrap;
}

/* Signature */
.sig-preview { background:var(--surface); border:1px solid var(--border); border-radius:var(--r-sm); padding:12px; }
.sig-divider { color:var(--text-faint); font-size:12px; margin-bottom:6px; }
.sig-body    { font-family:var(--font-mono); font-size:12px; color:var(--text-muted); white-space:pre-wrap; }
.mt-2        { margin-top:8px; }

/* Stat definition list */
.settings-dl { display:grid; gap:6px; }
.settings-dl div { display:grid; grid-template-columns:140px 1fr; gap:4px; }
.settings-dl dt  { font-size:11px; color:var(--text-faint); text-transform:uppercase; letter-spacing:.06em; }
.settings-dl dd  { font-size:12px; font-weight:600; color:var(--text); }

/* ─── 11. Log view (cafea-admin-log style) ────────────────────────────────── */
.log-pane {
  font-family:var(--font-mono); font-size:11.5px;
  background:rgba(0,0,0,.9); border:1px solid var(--border); border-radius:var(--r-lg);
  padding:10px; max-height:240px; overflow:auto;
}
[data-theme="pure-light"] .log-pane { background:rgba(241,245,249,.95); }
.log-pane::-webkit-scrollbar { width:3px; }
.log-pane::-webkit-scrollbar-thumb { background:var(--border); border-radius:99px; }

.log-line {
  display:grid; grid-template-columns:32px minmax(0,1fr); gap:10px; align-items:start;
  padding:4px 0; color:var(--text-muted); border-bottom:1px solid var(--border);
}
.log-line:last-child { border-bottom:none; }
.log-line--empty     { grid-template-columns:minmax(0,1fr); color:var(--text-faint); }
.log-index { color:var(--brand); font-weight:700; }
.log-text  { word-break:break-all; }

/* ─── 12. Skeleton ────────────────────────────────────────────────────────── */
.skeleton {
  display:inline-block; border-radius:var(--r-sm);
  background:linear-gradient(90deg,rgba(255,255,255,.05) 25%,rgba(255,255,255,.12) 37%,rgba(255,255,255,.05) 63%);
  background-size:400% 100%; animation:shimmer 1.2s ease-in-out infinite;
}
@keyframes shimmer { 0% { background-position:100% 0; } 100% { background-position:0 0; } }

/* ─── 13. Scrollbar global ────────────────────────────────────────────────── */
::-webkit-scrollbar { width:4px; height:4px; }
::-webkit-scrollbar-track { background:transparent; }
::-webkit-scrollbar-thumb { background:var(--border); border-radius:99px; }

/* ─── 14. Responsive ─────────────────────────────────────────────────────── */
@media (max-width:1100px) { .mail-grid { grid-template-columns:250px 1fr; } }

@media (max-width:768px) {
  .workspace { grid-template-columns:1fr; }
  .sidebar   { display:none; }
  .mail-grid { grid-template-columns:1fr; }
  body       { overflow:auto; }
  #app       { height:auto; }
  .rule-form-grid { grid-template-columns:1fr; }
  .settings-body  { grid-template-columns:1fr; }
  .settings-nav   { flex-direction:row; overflow-x:auto; border-right:none; border-bottom:1px solid var(--border); }
}