/* ── Reset & Variables ─────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:       #0d1117;
  --bg2:      #161b22;
  --bg3:      #1c2128;
  --bg4:      #21262d;
  --border:   #30363d;
  --border2:  #21262d;
  --primary:  #2563eb;
  --primary-h:#1d4ed8;
  --accent:   #f59e0b;
  --danger:   #ef4444;
  --success:  #22c55e;
  --text:     #e6edf3;
  --text-m:   #8b949e;
  --text-d:   #6e7681;
  --sidebar:  220px;
  --r:        8px;
  --r-lg:     12px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  font-size: 14px;
  line-height: 1.5;
}

a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: inherit; }
input, select, textarea { font-family: inherit; }

/* ── Layout ────────────────────────────────────────────────────────────────── */
.app-layout { display: flex; min-height: 100vh; }

.main-content {
  flex: 1;
  margin-left: var(--sidebar);
  padding: 1.5rem 2rem;
  min-width: 0;
  max-width: 100%;
}

.main-content.centered {
  margin-left: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

/* ── Sidebar ───────────────────────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar);
  background: var(--bg2);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  overflow-y: auto;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: .625rem;
  padding: 1.125rem 1rem;
  border-bottom: 1px solid var(--border);
  font-size: .9375rem;
  font-weight: 700;
  color: var(--text);
  flex-shrink: 0;
}

.sidebar-logo i { color: var(--primary); font-size: 1.125rem; }

.sidebar-nav {
  flex: 1;
  padding: .625rem .5rem;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-divider {
  height: 1px;
  background: var(--border);
  margin: .5rem .5rem;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: .625rem;
  padding: .5rem .75rem;
  border-radius: var(--r);
  color: var(--text-m);
  font-size: .8125rem;
  font-weight: 500;
  transition: all .12s;
  position: relative;
}

.nav-item:hover { background: var(--bg3); color: var(--text); }
.nav-item.active { background: rgba(37,99,235,.15); color: #93c5fd; }
.nav-item i { width: 15px; text-align: center; font-size: .875rem; }

.badge {
  margin-left: auto;
  background: var(--primary);
  color: #fff;
  font-size: .6875rem;
  font-weight: 700;
  padding: .1rem .4rem;
  border-radius: 999px;
  min-width: 18px;
  text-align: center;
  line-height: 1.4;
}

.sidebar-bottom {
  border-top: 1px solid var(--border);
  padding: .5rem .5rem .75rem;
  flex-shrink: 0;
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .625rem .75rem;
  border-radius: var(--r);
  margin-top: 2px;
}

.user-avatar {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), #7c3aed);
  display: flex; align-items: center; justify-content: center;
  font-size: .75rem; font-weight: 700; color: #fff;
  flex-shrink: 0;
}

.user-details {
  flex: 1;
  min-width: 0;
  overflow: hidden;
}

.user-name {
  display: block;
  font-size: .8125rem;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-email {
  display: block;
  font-size: .6875rem;
  color: var(--text-d);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.logout-btn {
  color: var(--text-d);
  padding: .3rem;
  border-radius: 6px;
  transition: all .12s;
  flex-shrink: 0;
}
.logout-btn:hover { color: var(--danger); background: rgba(239,68,68,.1); }

/* ── Buttons ───────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .375rem;
  padding: .45rem .875rem;
  border-radius: var(--r);
  font-size: .8125rem;
  font-weight: 500;
  border: 1px solid transparent;
  transition: all .12s;
  white-space: nowrap;
  line-height: 1.4;
}

.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-h); border-color: var(--primary-h); }

.btn-ghost { background: transparent; color: var(--text-m); border-color: var(--border); }
.btn-ghost:hover { background: var(--bg3); color: var(--text); }
.btn-ghost.starred, .btn-ghost.starred i { color: var(--accent); }

.btn-sm { padding: .3rem .625rem; font-size: .75rem; }
.btn-full { width: 100%; justify-content: center; }
.btn.danger, .btn-ghost.danger { color: var(--danger); }
.btn-ghost.danger:hover { background: rgba(239,68,68,.1); border-color: rgba(239,68,68,.3); }

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px; height: 28px;
  border-radius: 6px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-m);
  font-size: .75rem;
  transition: all .12s;
}
.icon-btn:hover { background: var(--bg3); color: var(--text); }
.icon-btn.danger:hover { background: rgba(239,68,68,.1); color: var(--danger); border-color: rgba(239,68,68,.3); }

/* ── Forms ─────────────────────────────────────────────────────────────────── */
.form-group { margin-bottom: 1.125rem; }

.form-group label {
  display: block;
  font-size: .75rem;
  font-weight: 500;
  color: var(--text-m);
  margin-bottom: .375rem;
}

.hint { font-weight: 400; color: var(--text-d); }

.form-input, .form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"] {
  width: 100%;
  padding: .5rem .75rem;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--r);
  color: var(--text);
  font-size: .875rem;
  transition: border-color .12s, box-shadow .12s;
}

.form-input:focus,
.form-group input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,.15);
}

.input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.input-wrap input {
  width: 100%;
  padding: .5rem .75rem .5rem 2.25rem;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--r);
  color: var(--text);
  font-size: .875rem;
  transition: border-color .12s, box-shadow .12s;
}

.input-wrap input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,.15);
}

.input-icon {
  position: absolute;
  left: .75rem;
  color: var(--text-d);
  font-size: .8125rem;
  pointer-events: none;
}

.toggle-pass {
  position: absolute;
  right: .625rem;
  background: none;
  border: none;
  color: var(--text-d);
  padding: .25rem;
  font-size: .875rem;
  transition: color .12s;
}
.toggle-pass:hover { color: var(--text-m); }

.checkbox-label {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .875rem;
  color: var(--text-m);
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] { width: 14px; height: 14px; accent-color: var(--primary); }

/* ── Alerts ────────────────────────────────────────────────────────────────── */
.alert {
  padding: .75rem 1rem;
  border-radius: var(--r);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .8125rem;
  transition: opacity .4s;
}

.alert-error  { background: rgba(239,68,68,.1);  border: 1px solid rgba(239,68,68,.25);  color: #fca5a5; }
.alert-success{ background: rgba(34,197,94,.1);  border: 1px solid rgba(34,197,94,.25);  color: #86efac; }

/* ── Toolbar ───────────────────────────────────────────────────────────────── */
.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.125rem;
  gap: 1rem;
  flex-wrap: wrap;
}

.toolbar-right { display: flex; align-items: center; gap: .625rem; flex-wrap: wrap; }

.page-title {
  font-size: 1rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: .5rem;
  color: var(--text);
}

.count-badge {
  font-size: .6875rem;
  font-weight: 500;
  color: var(--text-d);
  background: var(--bg3);
  border: 1px solid var(--border);
  padding: .1rem .45rem;
  border-radius: 999px;
}

/* ── Search ────────────────────────────────────────────────────────────────── */
.search-form { display: flex; }

.search-box {
  display: flex;
  align-items: center;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: .375rem .75rem;
  gap: .5rem;
  min-width: 200px;
  transition: border-color .12s;
}

.search-box:focus-within { border-color: var(--primary); }
.search-box i { color: var(--text-d); font-size: .8125rem; }

.search-box input {
  background: none;
  border: none;
  outline: none;
  color: var(--text);
  font-size: .8125rem;
  flex: 1;
  min-width: 0;
}

.clear-search { color: var(--text-d); transition: color .12s; }
.clear-search:hover { color: var(--text); }

/* ── Filter chips ──────────────────────────────────────────────────────────── */
.filter-chips {
  display: flex;
  gap: .375rem;
  margin-bottom: .875rem;
}

.chip {
  padding: .25rem .75rem;
  border-radius: 999px;
  font-size: .75rem;
  font-weight: 500;
  border: 1px solid var(--border);
  color: var(--text-m);
  background: transparent;
  transition: all .12s;
}

.chip:hover { background: var(--bg3); color: var(--text); }
.chip.active { background: rgba(37,99,235,.15); border-color: rgba(37,99,235,.4); color: #93c5fd; }

/* ── Email List ────────────────────────────────────────────────────────────── */
.email-list {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.email-row {
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border2);
  transition: background .1s;
  position: relative;
}

.email-row:last-child { border-bottom: none; }
.email-row:hover { background: var(--bg3); }
.email-row.unread { background: rgba(37,99,235,.03); }
.email-row.unread .subject { font-weight: 600; color: var(--text); }
.email-row.read .subject { color: var(--text-m); font-weight: 400; }
.email-row.unread .from-name { font-weight: 600; color: var(--text); }

.email-check {
  padding: 0 .25rem 0 .875rem;
  flex-shrink: 0;
}

.check-wrap {
  display: flex;
  align-items: center;
  cursor: pointer;
}

.check-wrap input[type="checkbox"] {
  width: 14px; height: 14px;
  accent-color: var(--primary);
  cursor: pointer;
}

.email-star-col {
  padding: 0 .25rem;
  flex-shrink: 0;
}

.star-btn {
  background: none;
  border: none;
  color: var(--text-d);
  padding: .3rem;
  font-size: .8125rem;
  transition: color .12s, transform .1s;
  line-height: 1;
}
.star-btn:hover { color: var(--accent); transform: scale(1.15); }
.star-btn.starred { color: var(--accent); }

.email-link {
  flex: 1;
  display: flex;
  align-items: center;
  gap: .875rem;
  padding: .75rem .625rem;
  min-width: 0;
}

.email-from {
  display: flex;
  align-items: center;
  gap: .5rem;
  width: 190px;
  flex-shrink: 0;
}

.avatar {
  width: 30px; height: 30px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), #7c3aed);
  display: flex; align-items: center; justify-content: center;
  font-size: .75rem; font-weight: 700; color: #fff;
  flex-shrink: 0;
}
.avatar.large { width: 38px; height: 38px; font-size: .9375rem; }
.avatar.xlarge { width: 52px; height: 52px; font-size: 1.25rem; }
.avatar.sm { width: 26px; height: 26px; font-size: .6875rem; }

.from-info { overflow: hidden; min-width: 0; }

.from-name {
  display: block;
  font-size: .8125rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.to-badge {
  font-size: .6875rem;
  color: var(--text-d);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
}

.email-subject {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: baseline;
  gap: .375rem;
  overflow: hidden;
}

.subject {
  font-size: .8125rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex-shrink: 0;
  max-width: 260px;
}

.thread-count {
  background: var(--bg4);
  border: 1px solid var(--border);
  color: var(--text-m);
  font-size: .6875rem;
  font-weight: 600;
  padding: .05rem .35rem;
  border-radius: 4px;
  flex-shrink: 0;
}

.preview {
  font-size: .75rem;
  color: var(--text-d);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.email-meta { flex-shrink: 0; padding-right: .375rem; }

.date {
  font-size: .6875rem;
  color: var(--text-d);
  white-space: nowrap;
}

.email-actions {
  padding: 0 .625rem;
  display: flex;
  gap: .25rem;
  opacity: 0;
  transition: opacity .12s;
}

.email-row:hover .email-actions { opacity: 1; }

.action-btn {
  background: none;
  border: none;
  color: var(--text-d);
  padding: .3rem .35rem;
  border-radius: 6px;
  font-size: .8125rem;
  transition: all .12s;
}
.action-btn:hover { background: var(--bg); color: var(--text); }
.action-btn.danger:hover { color: var(--danger); background: rgba(239,68,68,.1); }

/* ── Empty State ───────────────────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-d);
}

.empty-icon {
  font-size: 2.5rem;
  margin-bottom: .875rem;
  opacity: .25;
}

.empty-state p { font-size: .9375rem; color: var(--text-m); }

.empty-state-sm {
  text-align: center;
  padding: 1.5rem;
  color: var(--text-d);
  font-size: .8125rem;
}

/* ── Pagination ────────────────────────────────────────────────────────────── */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .875rem;
  margin-top: 1.125rem;
}

.page-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px; height: 30px;
  border-radius: var(--r);
  background: var(--bg2);
  border: 1px solid var(--border);
  color: var(--text-m);
  font-size: .75rem;
  transition: all .12s;
}
.page-btn:hover { background: var(--bg3); color: var(--text); }
.page-info { font-size: .8125rem; color: var(--text-m); }

/* ── Email Detail ──────────────────────────────────────────────────────────── */
.email-detail {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.email-detail-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.email-detail-subject {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 1rem;
  line-height: 1.4;
}

.meta-row {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
}

.meta-info { flex: 1; min-width: 0; }

.meta-from {
  display: flex;
  align-items: baseline;
  gap: .5rem;
  flex-wrap: wrap;
  font-size: .875rem;
}

.meta-address { font-size: .75rem; color: var(--text-m); }

.meta-to {
  font-size: .75rem;
  color: var(--text-m);
  margin-top: .2rem;
}

.meta-date {
  font-size: .75rem;
  color: var(--text-d);
  white-space: nowrap;
  margin-left: auto;
  flex-shrink: 0;
}

.email-detail-body { padding: 1.5rem; }

.email-html-body iframe {
  width: 100%;
  min-height: 200px;
  border: none;
  background: #fff;
  border-radius: 6px;
}

.email-text-body pre {
  white-space: pre-wrap;
  word-break: break-word;
  font-family: inherit;
  font-size: .875rem;
  color: var(--text);
  line-height: 1.7;
}

.raw-email {
  border-top: 1px solid var(--border);
  padding: .875rem 1.5rem;
}

.raw-email summary {
  cursor: pointer;
  font-size: .75rem;
  color: var(--text-m);
  user-select: none;
  display: flex;
  align-items: center;
  gap: .375rem;
}

.raw-content {
  margin-top: .625rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: .875rem;
  font-size: .6875rem;
  color: var(--text-d);
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 350px;
  overflow-y: auto;
}

/* ── Thread View ───────────────────────────────────────────────────────────── */
.thread-container {
  display: flex;
  flex-direction: column;
  gap: .5rem;
}

.thread-subject {
  display: flex;
  align-items: baseline;
  gap: .75rem;
  margin-bottom: .75rem;
}

.thread-subject h1 {
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1.4;
}

.thread-count-label {
  font-size: .75rem;
  color: var(--text-d);
  white-space: nowrap;
}

.thread-message {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: border-color .12s;
}

.thread-message:hover { border-color: #444c56; }

.thread-msg-header {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .875rem 1.25rem;
  cursor: pointer;
  user-select: none;
}

.thread-msg-meta { flex: 1; min-width: 0; }

.thread-msg-from {
  display: flex;
  align-items: baseline;
  gap: .375rem;
  font-size: .875rem;
  flex-wrap: wrap;
}

.thread-msg-to {
  font-size: .75rem;
  color: var(--text-m);
  margin-top: .1rem;
}

.thread-msg-date {
  font-size: .75rem;
  color: var(--text-d);
  white-space: nowrap;
  flex-shrink: 0;
}

.thread-msg-actions {
  display: flex;
  align-items: center;
  gap: .375rem;
  flex-shrink: 0;
}

.expand-icon {
  color: var(--text-d);
  font-size: .75rem;
  transition: transform .2s;
}

.thread-message.expanded .expand-icon { transform: rotate(180deg); }

.thread-msg-body {
  padding: 0 1.25rem 1.25rem;
  border-top: 1px solid var(--border);
}

.thread-message.collapsed .thread-msg-body { display: none; }
.thread-message.collapsed .thread-msg-header { padding: .625rem 1.25rem; }

.email-frame {
  width: 100%;
  min-height: 100px;
  border: none;
  background: #fff;
  border-radius: 6px;
  margin-top: .875rem;
}

/* ── Login ─────────────────────────────────────────────────────────────────── */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(ellipse at 50% -10%, rgba(37,99,235,.25) 0%, var(--bg) 60%);
}

.login-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 2.25rem;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 16px 48px rgba(0,0,0,.5);
}

.login-logo { text-align: center; margin-bottom: 1.75rem; }

.login-icon-wrap {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: rgba(37,99,235,.15);
  border: 1px solid rgba(37,99,235,.3);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto .875rem;
}

.login-icon-wrap i { font-size: 1.375rem; color: var(--primary); }

.login-logo h1 { font-size: 1.25rem; font-weight: 700; }
.login-logo p { color: var(--text-m); font-size: .8125rem; margin-top: .25rem; }

/* ── Change Password ───────────────────────────────────────────────────────── */
.change-pass-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 2rem;
  width: 100%;
  max-width: 440px;
}

.change-pass-card h2 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: .5rem;
}

.forced-banner {
  display: flex;
  align-items: flex-start;
  gap: .875rem;
  background: rgba(245,158,11,.08);
  border: 1px solid rgba(245,158,11,.25);
  border-radius: var(--r);
  padding: .875rem 1rem;
  margin-bottom: 1.25rem;
}

.forced-banner i { color: var(--accent); font-size: 1.125rem; margin-top: .1rem; flex-shrink: 0; }
.forced-banner strong { display: block; font-size: .875rem; color: var(--text); }
.forced-banner p { font-size: .75rem; color: var(--text-m); margin-top: .2rem; }

.password-strength {
  margin-top: .375rem;
  height: 18px;
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .6875rem;
  color: var(--text-m);
}

.strength-fill {
  height: 4px;
  border-radius: 2px;
  transition: width .3s, background .3s;
  flex-shrink: 0;
}

.match-hint { margin-top: .375rem; font-size: .75rem; }

/* ── Settings ──────────────────────────────────────────────────────────────── */
.settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.25rem;
}

.settings-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.settings-card-header {
  padding: .875rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg3);
  font-size: .875rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: .5rem;
}

.settings-card-body { padding: 1.25rem; }

.settings-desc {
  font-size: .8125rem;
  color: var(--text-m);
  margin-bottom: 1rem;
  line-height: 1.6;
}

.profile-avatar-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.profile-email { font-size: .875rem; color: var(--text); font-weight: 500; }
.profile-role { margin-top: .25rem; }

/* ── Admin ─────────────────────────────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: .875rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 1.125rem;
  display: flex;
  align-items: center;
  gap: .875rem;
}

.stat-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.stat-value { font-size: 1.375rem; font-weight: 700; line-height: 1; }
.stat-label { font-size: .6875rem; color: var(--text-m); margin-top: .2rem; }

.admin-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

@media (max-width: 860px) { .admin-grid { grid-template-columns: 1fr; } }

.admin-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.admin-card-header {
  padding: .875rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg3);
  display: flex;
  align-items: center;
  gap: .5rem;
}

.admin-card-header h3 {
  font-size: .875rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: .5rem;
  flex: 1;
}

.header-count {
  font-size: .75rem;
  color: var(--text-d);
  background: var(--bg4);
  border: 1px solid var(--border);
  padding: .1rem .45rem;
  border-radius: 999px;
}

.admin-card-body { padding: 1.25rem; }

.add-form { margin-bottom: 1.125rem; }

.add-form-row {
  display: flex;
  gap: .5rem;
  align-items: center;
}

.flex1 { flex: 1; }

.add-form-row .input-wrap input { padding-left: 2rem; }

/* Create user form */
.create-user-form .form-group { margin-bottom: 1rem; }

.email-builder {
  display: flex;
  align-items: center;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--r);
  overflow: hidden;
  transition: border-color .12s, box-shadow .12s;
}

.email-builder:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,.15);
}

.username-input {
  flex: 1;
  padding: .5rem .75rem;
  background: none;
  border: none;
  outline: none;
  color: var(--text);
  font-size: .875rem;
  min-width: 0;
}

.at-sign {
  color: var(--text-d);
  font-size: .875rem;
  padding: 0 .25rem;
  flex-shrink: 0;
}

.domain-select {
  padding: .5rem .625rem;
  background: var(--bg4);
  border: none;
  border-left: 1px solid var(--border);
  color: var(--text);
  font-size: .8125rem;
  outline: none;
  cursor: pointer;
}

.email-preview {
  font-size: .75rem;
  color: var(--primary);
  margin-top: .375rem;
  min-height: 1rem;
}

.auto-pass-note {
  display: flex;
  align-items: flex-start;
  gap: .5rem;
  background: rgba(37,99,235,.08);
  border: 1px solid rgba(37,99,235,.2);
  border-radius: var(--r);
  padding: .625rem .875rem;
  font-size: .75rem;
  color: #93c5fd;
  margin-bottom: 1rem;
  line-height: 1.5;
}

.auto-pass-note i { margin-top: .1rem; flex-shrink: 0; }

/* Data table */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .8125rem;
}

.data-table th {
  text-align: left;
  padding: .5rem .875rem;
  color: var(--text-d);
  font-weight: 500;
  border-bottom: 1px solid var(--border);
  font-size: .6875rem;
  text-transform: uppercase;
  letter-spacing: .04em;
  white-space: nowrap;
}

.data-table td {
  padding: .625rem .875rem;
  border-bottom: 1px solid var(--border2);
  color: var(--text-m);
  vertical-align: middle;
}

.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: rgba(255,255,255,.02); }

.domain-badge {
  background: rgba(37,99,235,.12);
  color: #93c5fd;
  padding: .2rem .55rem;
  border-radius: 999px;
  font-size: .6875rem;
  font-weight: 600;
}

.role-badge {
  padding: .15rem .5rem;
  border-radius: 999px;
  font-size: .6875rem;
  font-weight: 600;
  display: inline-block;
}

.role-badge.admin   { background: rgba(245,158,11,.12); color: #fcd34d; }
.role-badge.user    { background: rgba(34,197,94,.1);   color: #86efac; }
.role-badge.pending { background: rgba(239,68,68,.1);   color: #fca5a5; margin-left: .25rem; }

.user-cell { display: flex; align-items: center; gap: .625rem; }
.user-cell-name { font-size: .8125rem; font-weight: 500; color: var(--text); }
.user-cell-email { font-size: .6875rem; color: var(--text-d); }

.action-group { display: flex; gap: .25rem; }

/* Credentials modal */
.creds-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(4px);
}

.creds-modal {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 1.75rem;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 24px 64px rgba(0,0,0,.6);
}

.creds-modal-header {
  text-align: center;
  margin-bottom: 1.5rem;
}

.creds-modal-header i {
  font-size: 1.75rem;
  color: var(--accent);
  display: block;
  margin-bottom: .625rem;
}

.creds-modal-header h3 { font-size: 1rem; font-weight: 600; }
.creds-modal-header p { font-size: .75rem; color: var(--text-m); margin-top: .25rem; }

.creds-row { margin-bottom: .875rem; }

.creds-row label {
  display: block;
  font-size: .6875rem;
  font-weight: 500;
  color: var(--text-d);
  text-transform: uppercase;
  letter-spacing: .04em;
  margin-bottom: .375rem;
}

.creds-value {
  display: flex;
  align-items: center;
  gap: .5rem;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: .5rem .75rem;
}

.creds-value code {
  flex: 1;
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: .875rem;
  color: var(--text);
  word-break: break-all;
}

.copy-btn {
  background: none;
  border: none;
  color: var(--text-d);
  padding: .2rem .3rem;
  border-radius: 4px;
  font-size: .8125rem;
  transition: all .12s;
  flex-shrink: 0;
}
.copy-btn:hover { color: var(--text); background: var(--bg4); }

.creds-note {
  font-size: .75rem;
  color: #fcd34d;
  background: rgba(245,158,11,.08);
  border: 1px solid rgba(245,158,11,.2);
  border-radius: var(--r);
  padding: .5rem .75rem;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: .5rem;
}

/* ── Toast Notifications ───────────────────────────────────────────────────── */
#toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: .5rem;
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--primary);
  border-radius: var(--r-lg);
  padding: .875rem 1rem;
  min-width: 280px;
  max-width: 360px;
  box-shadow: 0 8px 24px rgba(0,0,0,.4);
  pointer-events: all;
  transform: translateX(120%);
  transition: transform .35s cubic-bezier(.34,1.56,.64,1);
}

.toast.show { transform: translateX(0); }

.toast-icon {
  color: var(--primary);
  font-size: 1rem;
  margin-top: .1rem;
  flex-shrink: 0;
}

.toast-body { flex: 1; min-width: 0; }

.toast-from {
  font-size: .8125rem;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.toast-subject {
  font-size: .75rem;
  color: var(--text-m);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: .1rem;
}

.toast-close {
  background: none;
  border: none;
  color: var(--text-d);
  padding: .1rem .2rem;
  font-size: .75rem;
  flex-shrink: 0;
  transition: color .12s;
}
.toast-close:hover { color: var(--text); }

/* ── Scrollbar ─────────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #444c56; }

/* ── Responsive ────────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  :root { --sidebar: 0px; }
  .sidebar { transform: translateX(-100%); transition: transform .25s; }
  .sidebar.open { transform: translateX(0); width: 240px; }
  .main-content { margin-left: 0; padding: 1rem; }
  .email-from { width: 140px; }
  .subject { max-width: 160px; }
  .preview { display: none; }
  .btn-label { display: none; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .admin-grid { grid-template-columns: 1fr; }
  .email-from { width: 110px; }
}

/* ── Role badges extra ─────────────────────────────────────────────────────── */
.role-badge.domain-admin { background: rgba(37,99,235,.12); color: #93c5fd; }

/* ── Nav section label ─────────────────────────────────────────────────────── */
.nav-section-label {
  font-size: .6875rem;
  font-weight: 600;
  color: var(--text-d);
  text-transform: uppercase;
  letter-spacing: .06em;
  padding: .25rem .75rem;
  margin-top: .125rem;
}

/* ── Domain fixed label in email builder ───────────────────────────────────── */
.domain-fixed {
  padding: .5rem .75rem;
  background: var(--bg4);
  border-left: 1px solid var(--border);
  color: var(--text-m);
  font-size: .875rem;
  white-space: nowrap;
}

/* ── Info rows (domain admin panel) ────────────────────────────────────────── */
.info-row {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .625rem 0;
  border-bottom: 1px solid var(--border2);
}
.info-row:last-child { border-bottom: none; }
.info-label {
  font-size: .75rem;
  font-weight: 500;
  color: var(--text-d);
  text-transform: uppercase;
  letter-spacing: .04em;
  width: 90px;
  flex-shrink: 0;
}

/* ── Role select dropdown ──────────────────────────────────────────────────── */
.role-select {
  padding: .2rem .5rem;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: .75rem;
  cursor: pointer;
  outline: none;
}
.role-select:focus { border-color: var(--primary); }

/* ── Credentials modal actions & preview ───────────────────────────────────── */
.creds-actions {
  display: flex;
  gap: .625rem;
  margin-top: 1rem;
  align-items: center;
}

.creds-actions .btn-primary { flex: 1; justify-content: center; }

.creds-msg-preview {
  display: none;
  margin-top: .875rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: .875rem 1rem;
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  font-size: .75rem;
  color: var(--text-m);
  white-space: pre;
  line-height: 1.7;
}

/* ── Compose button ────────────────────────────────────────────────────────── */
.compose-wrap {
  padding: .625rem .75rem .25rem;
}

.btn-compose {
  display: flex;
  align-items: center;
  gap: .625rem;
  width: 100%;
  padding: .625rem 1rem;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: var(--r-lg);
  font-size: .875rem;
  font-weight: 600;
  cursor: pointer;
  transition: background .12s, box-shadow .12s;
  box-shadow: 0 2px 8px rgba(37,99,235,.35);
}
.btn-compose:hover {
  background: var(--primary-h);
  box-shadow: 0 4px 12px rgba(37,99,235,.45);
}

/* ── Compose modal ─────────────────────────────────────────────────────────── */
.compose-overlay {
  position: fixed;
  inset: 0;
  z-index: 500;
  pointer-events: none;
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  padding: 0 1.5rem 1.5rem 0;
}

.compose-modal {
  pointer-events: all;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  width: 480px;
  max-width: calc(100vw - 2rem);
  box-shadow: 0 16px 48px rgba(0,0,0,.5);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: height .2s;
}

.compose-modal.minimized .compose-body,
.compose-modal.minimized .compose-footer { display: none; }

.compose-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .75rem 1rem;
  background: var(--bg3);
  border-bottom: 1px solid var(--border);
  font-size: .875rem;
  font-weight: 600;
  cursor: default;
}

.compose-header-actions {
  display: flex;
  gap: .25rem;
}

.compose-header-actions button {
  background: none;
  border: none;
  color: var(--text-m);
  padding: .2rem .35rem;
  border-radius: 4px;
  font-size: .8125rem;
  transition: all .12s;
}
.compose-header-actions button:hover { background: var(--bg4); color: var(--text); }

.compose-body {
  display: flex;
  flex-direction: column;
}

.compose-field {
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border2);
  padding: 0 1rem;
}

.compose-field label {
  font-size: .75rem;
  font-weight: 500;
  color: var(--text-d);
  width: 52px;
  flex-shrink: 0;
}

.compose-field input {
  flex: 1;
  padding: .625rem 0;
  background: none;
  border: none;
  outline: none;
  color: var(--text);
  font-size: .875rem;
}

.compose-body textarea {
  padding: .875rem 1rem;
  background: none;
  border: none;
  outline: none;
  color: var(--text);
  font-size: .875rem;
  resize: none;
  min-height: 200px;
  line-height: 1.6;
  font-family: inherit;
}

.compose-footer {
  display: flex;
  align-items: center;
  gap: .625rem;
  padding: .75rem 1rem;
  border-top: 1px solid var(--border);
  background: var(--bg3);
}

.compose-status {
  font-size: .75rem;
}
.compose-status.success { color: var(--success); }
.compose-status.error   { color: var(--danger); }

/* ── Mobile topbar ─────────────────────────────────────────────────────────── */
.mobile-topbar {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 52px;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  z-index: 90;
  align-items: center;
  padding: 0 1rem;
  gap: .75rem;
}

.mobile-menu-btn {
  background: none;
  border: none;
  color: var(--text-m);
  font-size: 1.125rem;
  padding: .25rem;
  cursor: pointer;
}

.mobile-logo {
  font-size: .9375rem;
  font-weight: 700;
  color: var(--text);
  flex: 1;
}

.mobile-logo i { color: var(--primary); }

.unread-badge-mobile {
  background: var(--primary);
  color: #fff;
  font-size: .6875rem;
  font-weight: 700;
  padding: .1rem .4rem;
  border-radius: 999px;
}

/* ── Sidebar overlay (mobile) ──────────────────────────────────────────────── */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 99;
  backdrop-filter: blur(2px);
}

.sidebar-toggle-close {
  display: none;
  background: none;
  border: none;
  color: var(--text-m);
  font-size: 1rem;
  padding: .2rem;
  cursor: pointer;
  margin-right: .25rem;
}

/* ── Responsive overrides ──────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .mobile-topbar { display: flex; }
  .sidebar-overlay.show { display: block; }
  .sidebar-toggle-close { display: block; }

  .sidebar {
    transform: translateX(-100%);
    transition: transform .25s cubic-bezier(.4,0,.2,1);
    z-index: 100;
    width: 260px;
  }
  .sidebar.open { transform: translateX(0); }

  .main-content {
    margin-left: 0;
    padding: 1rem;
    padding-top: calc(52px + 1rem);
  }

  .email-from { width: 130px; }
  .subject { max-width: 160px; }
  .preview { display: none; }
  .btn-label { display: none; }

  .compose-overlay {
    padding: 0 .5rem .5rem;
    align-items: flex-end;
    justify-content: center;
  }
  .compose-modal { width: 100%; }
  .compose-body textarea { min-height: 150px; }
}

/* ── Compose modal improvements ────────────────────────────────────────────── */
.compose-modal.expanded {
  position: fixed;
  top: 5vh; left: 50%;
  transform: translateX(-50%);
  width: min(760px, 96vw);
  max-height: 90vh;
  display: flex;
  flex-direction: column;
}

.compose-modal.expanded .compose-body { flex: 1; overflow-y: auto; }
.compose-modal.expanded .compose-editor { min-height: 340px; }

/* CC field */
.compose-field { position: relative; }

.cc-toggle-btn {
  position: absolute;
  right: .625rem;
  top: 50%; transform: translateY(-50%);
  background: var(--bg4);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-m);
  font-size: .6875rem;
  font-weight: 600;
  padding: .15rem .4rem;
  cursor: pointer;
  transition: all .12s;
}
.cc-toggle-btn:hover { background: var(--bg3); color: var(--text); }

/* Formatting toolbar */
.compose-toolbar {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: .375rem .75rem;
  border-bottom: 1px solid var(--border2);
  background: var(--bg3);
  flex-wrap: wrap;
  transition: opacity .15s;
}

.compose-toolbar button {
  background: none;
  border: none;
  color: var(--text-m);
  padding: .3rem .4rem;
  border-radius: 4px;
  font-size: .8125rem;
  cursor: pointer;
  transition: all .12s;
  line-height: 1;
}
.compose-toolbar button:hover { background: var(--bg4); color: var(--text); }

.compose-toolbar-sep {
  width: 1px;
  height: 16px;
  background: var(--border);
  margin: 0 .25rem;
}

/* Rich editor */
.compose-editor {
  padding: .875rem 1rem;
  min-height: 220px;
  outline: none;
  color: var(--text);
  font-size: .9rem;
  line-height: 1.7;
  font-family: inherit;
  overflow-y: auto;
}

.compose-editor:empty::before {
  content: attr(data-placeholder);
  color: var(--text-d);
  pointer-events: none;
}

.compose-editor blockquote {
  border-left: 3px solid var(--border);
  margin: .5rem 0;
  padding-left: 1rem;
  color: var(--text-m);
}

.compose-editor a { color: var(--primary); }

/* Plain text fallback */
.compose-plain {
  padding: .875rem 1rem;
  min-height: 220px;
  background: none;
  border: none;
  outline: none;
  color: var(--text);
  font-size: .875rem;
  line-height: 1.7;
  font-family: inherit;
  resize: none;
  width: 100%;
}

/* Footer extras */
.compose-char-count {
  font-size: .6875rem;
  color: var(--text-d);
  margin-left: .5rem;
}

.compose-discard {
  margin-left: auto;
  color: var(--text-d);
}
.compose-discard:hover { color: var(--danger); }

/* Sent icon in list */
.sent-icon {
  color: var(--text-d);
  font-size: .75rem;
  padding: .3rem;
}

/* Thread reply bar */
.thread-reply-bar {
  display: flex;
  gap: .625rem;
  padding: 1rem 0 .5rem;
  border-top: 1px solid var(--border);
  margin-top: .5rem;
}

/* ── Quick reply box ───────────────────────────────────────────────────────── */
.quick-reply-box {
  border-top: 1px solid var(--border);
  margin: 0;
}

.quick-reply-header {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .75rem 1.5rem;
  font-size: .8125rem;
  color: var(--text-m);
  background: var(--bg3);
  border-bottom: 1px solid var(--border);
}

.quick-reply-header strong { color: var(--text); }

.quick-reply-close {
  margin-left: auto;
  background: none;
  border: none;
  color: var(--text-d);
  cursor: pointer;
  padding: .2rem .3rem;
  border-radius: 4px;
  font-size: .8125rem;
  transition: color .12s;
}
.quick-reply-close:hover { color: var(--text); }

.quick-reply-editor {
  padding: .875rem 1.5rem;
  min-height: 120px;
  outline: none;
  color: var(--text);
  font-size: .9rem;
  line-height: 1.7;
  font-family: inherit;
}

.quick-reply-editor:empty::before {
  content: attr(data-placeholder);
  color: var(--text-d);
  pointer-events: none;
}

.quick-reply-footer {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .75rem 1.5rem;
  border-top: 1px solid var(--border);
  background: var(--bg3);
}

/* ── SMTP Relay settings page ──────────────────────────────────────────────── */
.relay-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 600px) { .relay-info-grid { grid-template-columns: 1fr; } }

.relay-info-item {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  padding: .875rem;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--r);
}

.relay-info-item i { font-size: 1.25rem; margin-top: .1rem; flex-shrink: 0; }
.relay-info-item strong { display: block; font-size: .875rem; margin-bottom: .2rem; }
.relay-info-item p { font-size: .75rem; color: var(--text-m); line-height: 1.5; }

.relay-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 1.25rem;
}

@media (max-width: 600px) { .relay-form-grid { grid-template-columns: 1fr; } }

.relay-guides {
  display: flex;
  flex-direction: column;
  gap: .5rem;
}

.relay-guide {
  display: flex;
  align-items: center;
  gap: .875rem;
  padding: .75rem 1rem;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--r);
  cursor: pointer;
  transition: border-color .12s, background .12s;
}

.relay-guide:hover { border-color: var(--primary); background: var(--bg4); }

.relay-guide-icon {
  width: 36px; height: 36px;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: .875rem; font-weight: 700;
  flex-shrink: 0;
}

.relay-guide strong { display: block; font-size: .875rem; }
.relay-guide p { font-size: .75rem; color: var(--text-m); margin-top: .1rem; }
.relay-guide-fill { margin-left: auto; font-size: .75rem; color: var(--primary); white-space: nowrap; }