/* ================================================================
   Archive-Mail — "Refined Civic" design system
   Deep Navy primary · Old Glory Red accent · Off-white surfaces
   Light theme only.
================================================================ */

:root {
  /* Brand */
  --navy-950: #050E1F;
  --navy-900: #0A2540;
  --navy-800: #0F2E54;
  --navy-700: #173E70;
  --navy-600: #245096;
  --navy-500: #3A6BB8;
  --navy-100: #DCE5F2;
  --navy-50:  #EEF2F9;

  --red-700: #8C0722;
  --red-600: #BF0A30;   /* Old Glory */
  --red-500: #DC1F45;
  --red-100: #FBE2E7;
  --red-50:  #FCEFF2;

  --paper:   #FAFAF7;
  --paper-2: #F4F4EE;
  --paper-3: #ECECE4;
  --line:    #E2E2D8;
  --line-2:  #D4D4C7;

  --ink-900: #0E1622;
  --ink-700: #2A3445;
  --ink-500: #5B6577;
  --ink-400: #828B9C;
  --ink-300: #A9B1BF;

  --ok:    #1A7F4E;
  --warn:  #B97400;
  --info:  var(--navy-700);
  --danger: var(--red-600);

  --bg:        var(--paper);
  --bg-elev:   #FFFFFF;
  --bg-sunken: var(--paper-2);
  --border:    var(--line);
  --border-2:  var(--line-2);
  --text:      var(--ink-900);
  --text-2:    var(--ink-500);
  --text-3:    var(--ink-400);
  --primary:   var(--navy-900);
  --primary-2: var(--navy-700);
  --accent:    var(--red-600);

  --font-sans: "Inter Tight", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-serif: "Source Serif 4", "Source Serif Pro", Georgia, serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --r-xs: 4px;
  --r-sm: 6px;
  --r-md: 8px;
  --r-lg: 12px;
  --r-xl: 18px;

  --shadow-sm: 0 1px 0 rgba(10, 37, 64, 0.04), 0 1px 2px rgba(10, 37, 64, 0.06);
  --shadow-md: 0 2px 4px rgba(10, 37, 64, 0.05), 0 8px 24px -8px rgba(10, 37, 64, 0.1);
  --shadow-lg: 0 4px 8px rgba(10, 37, 64, 0.06), 0 24px 48px -12px rgba(10, 37, 64, 0.18);

  --row-h: 44px;
  --pad: 16px;
  --pad-lg: 24px;
}

/* Reset-ish */
*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body.am-app {
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--bg);
  font-size: 14px;
  line-height: 1.5;
  letter-spacing: -0.005em;
  font-feature-settings: "ss01", "cv11";
  overscroll-behavior: none;
}
body.am-app h1, body.am-app h2, body.am-app h3, body.am-app h4 { margin: 0; font-weight: 600; letter-spacing: -0.018em; }
body.am-app p  { margin: 0; }
body.am-app button { font-family: inherit; }
/* Reset anchors at zero specificity (:where()) so any class-based color rule wins.
   Without this, the broad `body.am-app a` selector clobbers `.am-btn-primary`
   etc. and buttons rendered as anchors lose their text color. */
:where(a) { color: inherit; text-decoration: none; }
.am-link { color: var(--accent); text-decoration: none; }
.am-link:hover { text-decoration: underline; }

/* ============== Layout shell ============== */
.am-shell {
  display: grid;
  grid-template-columns: 240px 1fr;
  height: 100%;
  background: var(--bg);
}

.am-sidebar {
  background: var(--bg-elev);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.am-brand {
  display: flex; align-items: center; gap: 10px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
  color: inherit;
}
.am-brand:hover { background: var(--bg-sunken); }
.am-brand-mark {
  width: 28px; height: 28px;
  border-radius: 6px;
  background: var(--navy-900);
  display: grid; place-items: center;
  position: relative;
  flex-shrink: 0;
}
.am-brand-mark::before {
  content: "";
  position: absolute; left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--accent);
  border-radius: 6px 0 0 6px;
}
.am-brand-mark svg { width: 14px; height: 14px; color: white; }
.am-brand-name {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--text);
}
.am-brand-sub {
  font-family: var(--font-mono);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-3);
  margin-top: 1px;
}

.am-nav { padding: 12px 10px; flex: 1; overflow: auto; }
.am-nav-section { margin-top: 16px; }
.am-nav-section:first-child { margin-top: 0; }
.am-nav-label {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-3);
  padding: 6px 12px;
}
.am-nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 12px;
  border-radius: var(--r-sm);
  color: var(--text-2);
  font-size: 13.5px;
  font-weight: 500;
  cursor: pointer;
  position: relative;
  text-decoration: none;
}
.am-nav-item:hover { background: var(--bg-sunken); color: var(--text); }
.am-nav-item.active {
  background: var(--bg-sunken);
  color: var(--text);
}
.am-nav-item.active::before {
  content: "";
  position: absolute; left: 0; top: 7px; bottom: 7px;
  width: 2px; background: var(--accent);
  border-radius: 2px;
}
.am-nav-item svg { width: 16px; height: 16px; flex-shrink: 0; opacity: 0.85; }
.am-nav-item .am-nav-badge {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 10px;
  background: var(--bg-sunken);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 99px;
  color: var(--text-2);
}
.am-nav-item.active .am-nav-badge { background: var(--bg-elev); }
.am-nav-item.am-nav-danger { color: var(--accent); }
.am-nav-item.am-nav-danger:hover { background: var(--red-50); color: var(--accent); }

.am-sidebar-footer {
  padding: 12px;
  border-top: 1px solid var(--border);
  display: flex; align-items: center; gap: 10px;
}
.am-avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--navy-900);
  color: white;
  display: grid; place-items: center;
  font-size: 12px; font-weight: 600;
  flex-shrink: 0;
  text-transform: uppercase;
}
.am-avatar.am-avatar-red { background: var(--accent); }
.am-userblock { line-height: 1.25; min-width: 0; flex: 1; }
.am-userblock .name { font-size: 13px; font-weight: 600; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.am-userblock .meta { font-size: 11px; color: var(--text-3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* Main pane */
.am-main { display: flex; flex-direction: column; min-height: 0; min-width: 0; }
.am-topbar {
  height: 56px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center;
  padding: 0 24px;
  gap: 16px;
  background: var(--bg-elev);
  flex-shrink: 0;
}
.am-search {
  flex: 1; max-width: 480px;
  display: flex; align-items: center; gap: 8px;
  background: var(--bg-sunken);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 7px 10px;
  color: var(--text-2);
  font-size: 13px;
}
.am-search input {
  background: transparent; border: 0; outline: 0; flex: 1;
  font-family: inherit; font-size: 13px; color: var(--text);
  min-width: 0;
}
.am-search .kbd {
  font-family: var(--font-mono);
  font-size: 10px;
  border: 1px solid var(--border-2);
  padding: 1px 5px;
  border-radius: 3px;
  color: var(--text-3);
  background: var(--bg-elev);
}
.am-topbar-actions { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.am-icon-btn {
  width: 32px; height: 32px;
  border-radius: var(--r-sm);
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-2);
  display: inline-grid; place-items: center;
  vertical-align: middle;
  cursor: pointer;
  text-decoration: none;
  font-family: inherit;
}
.am-icon-btn:hover { background: var(--bg-sunken); color: var(--text); }
.am-icon-btn svg { width: 16px; height: 16px; }

.am-status-pill {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 4px 8px;
  border-radius: 99px;
  border: 1px solid var(--border);
  background: var(--bg-sunken);
  color: var(--text-2);
}
.am-status-pill .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 2px rgba(26, 127, 78, 0.18);
}
.am-status-pill[data-tone="warn"] .dot { background: var(--warn); box-shadow: 0 0 0 2px rgba(185, 116, 0, 0.18); }
.am-status-pill[data-tone="red"] .dot { background: var(--accent); box-shadow: 0 0 0 2px rgba(191, 10, 48, 0.18); }

.am-content { padding: 32px 40px; flex: 1; overflow: auto; }

/* ============== Page Header ============== */
.am-page-header {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}
.am-eyebrow {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-3);
  margin-bottom: 8px;
  display: flex; align-items: center; gap: 8px;
}
.am-eyebrow .accent-rule {
  width: 18px; height: 2px; background: var(--accent); display: inline-block;
}
.am-page-title {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--text);
}
.am-page-sub {
  color: var(--text-2);
  margin-top: 6px;
  font-size: 13.5px;
}

/* ============== Buttons ============== */
.am-btn {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px;
  font-weight: 500;
  padding: 7px 12px;
  border-radius: var(--r-sm);
  border: 1px solid transparent;
  cursor: pointer;
  font-family: inherit;
  white-space: nowrap;
  text-decoration: none;
  line-height: 1.2;
}
.am-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.am-btn svg { width: 14px; height: 14px; }
.am-btn-primary { background: var(--navy-900); color: white; border-color: var(--navy-900); }
.am-btn-primary:hover { background: var(--navy-800); color: white; }
.am-btn-secondary { background: var(--bg-elev); color: var(--text); border-color: var(--border-2); }
.am-btn-secondary:hover { background: var(--bg-sunken); color: var(--text); }
.am-btn-accent { background: var(--accent); color: white; border-color: var(--accent); }
.am-btn-accent:hover { background: var(--red-700); color: white; }
.am-btn-ghost { background: transparent; color: var(--text-2); }
.am-btn-ghost:hover { background: var(--bg-sunken); color: var(--text); }
.am-btn-danger { background: transparent; color: var(--accent); border-color: var(--accent); }
.am-btn-danger:hover { background: var(--red-50); color: var(--accent); }
.am-btn-sm { padding: 4px 8px; font-size: 12px; }
.am-btn-lg { padding: 11px 16px; font-size: 14px; }
.am-btn-block { width: 100%; justify-content: center; }

/* ============== Form controls ============== */
.am-field { display: flex; flex-direction: column; gap: 6px; }
.am-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
}
.am-control {
  display: flex; align-items: center; gap: 8px;
  background: var(--bg-elev);
  border: 1px solid var(--border-2);
  border-radius: var(--r-sm);
  padding: 10px 12px;
  font-size: 14px;
  color: var(--text);
  width: 100%;
}
.am-control:focus-within { border-color: var(--navy-700); box-shadow: 0 0 0 3px rgba(23, 62, 112, 0.1); }
.am-control input,
.am-control select,
.am-control textarea {
  background: transparent; border: 0; outline: 0; flex: 1;
  font-family: inherit; font-size: 14px; color: var(--text);
  min-width: 0;
}
.am-control svg { color: var(--text-3); flex-shrink: 0; }

select.am-control,
input.am-control,
textarea.am-control {
  display: block;
  font-family: inherit;
  appearance: auto;
}

.am-checkbox-row {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--text-2);
  cursor: pointer;
}
.am-checkbox-row input { margin: 0; }

.am-help { font-size: 12px; color: var(--text-3); }
.am-error { font-size: 12px; color: var(--accent); margin-top: 4px; }

/* ============== Cards ============== */
.am-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
}
.am-card-pad { padding: var(--pad-lg); }
.am-card-h {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  gap: 12px;
}
.am-card-h h3 {
  font-size: 13px; font-weight: 600;
  color: var(--text);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.am-card-h .meta { font-size: 11px; color: var(--text-3); font-family: var(--font-mono); }

/* ============== Stat tile ============== */
.am-stat {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 18px 20px;
  position: relative;
  overflow: hidden;
}
.am-stat-label {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-3);
}
.am-stat-value {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 500;
  margin-top: 6px;
  letter-spacing: -0.02em;
  color: var(--text);
  line-height: 1.05;
}
.am-stat-value .am-stat-unit { font-size: 16px; color: var(--text-3); }
.am-stat-delta {
  display: inline-flex; align-items: center; gap: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  margin-top: 8px;
}
.am-stat-delta.up { color: var(--ok); }
.am-stat-delta.down { color: var(--accent); }
.am-stat-delta.flat { color: var(--text-3); }
.am-stat-foot { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-3); margin-top: 8px; }
.am-stat-spark { position: absolute; right: 12px; bottom: 10px; width: 80px; height: 28px; opacity: 0.7; }
.am-stat[data-tone="primary"] {
  background: var(--navy-900);
  border-color: var(--navy-900);
  color: white;
}
.am-stat[data-tone="primary"] .am-stat-label { color: rgba(255,255,255,0.65); }
.am-stat[data-tone="primary"] .am-stat-value { color: white; }
.am-stat[data-tone="primary"] .am-stat-value .am-stat-unit { color: rgba(255, 255, 255, 0.6); }
.am-stat[data-tone="primary"] .am-stat-delta { color: rgba(255,255,255,0.85); }
.am-stat[data-tone="primary"] .am-stat-foot { color: rgba(255, 255, 255, 0.65); }
.am-stat[data-tone="accent"] .am-stat-value { color: var(--accent); }

.am-stat-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}
.am-stat-row.cols-3 { grid-template-columns: repeat(3, 1fr); }
.am-stat-row.cols-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 1100px) {
  .am-stat-row { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 700px) {
  .am-stat-row { grid-template-columns: 1fr; }
}

/* ============== Table ============== */
.am-table-wrap { overflow-x: auto; }
.am-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.am-table thead th {
  text-align: left;
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-3);
  font-weight: 500;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-sunken);
  white-space: nowrap;
}
.am-table tbody td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.am-table tbody tr:hover { background: var(--bg-sunken); }
.am-table tbody tr.unread td { font-weight: 500; }
.am-table tbody tr.unread td:first-child { box-shadow: inset 2px 0 0 var(--accent); }
.am-table tbody tr.is-row-link { cursor: pointer; }

.am-chip {
  display: inline-flex; align-items: center; gap: 4px;
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 2px 7px;
  border-radius: 99px;
  border: 1px solid var(--border);
  background: var(--bg-sunken);
  color: var(--text-2);
  white-space: nowrap;
}
.am-chip[data-tone="ok"]    { color: var(--ok);    border-color: rgba(26,127,78,0.25);  background: rgba(26,127,78,0.06); }
.am-chip[data-tone="warn"]  { color: var(--warn);  border-color: rgba(185,116,0,0.25);  background: rgba(185,116,0,0.06); }
.am-chip[data-tone="red"]   { color: var(--accent);border-color: rgba(191,10,48,0.25);  background: rgba(191,10,48,0.06); }
.am-chip[data-tone="navy"]  { color: var(--navy-700); border-color: rgba(23,62,112,0.2); background: rgba(23,62,112,0.05); }

/* ============== Filters bar ============== */
.am-filterbar {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elev);
}
.am-tab-row {
  display: inline-flex;
  background: var(--bg-sunken);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 2px;
}
.am-tab {
  padding: 4px 12px;
  font-size: 12.5px;
  font-weight: 500;
  border-radius: 4px;
  color: var(--text-2);
  cursor: pointer;
  border: 0; background: transparent;
  text-decoration: none;
  display: inline-flex; align-items: center; gap: 4px;
  font-family: inherit;
}
.am-tab.active { background: var(--bg-elev); color: var(--text); box-shadow: var(--shadow-sm); }
.am-input {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--bg-elev);
  border: 1px solid var(--border-2);
  border-radius: var(--r-sm);
  padding: 6px 10px;
  font-size: 12.5px;
  color: var(--text-2);
}
.am-input svg { width: 13px; height: 13px; }
.am-input input,
.am-input select {
  background: transparent; border: 0; outline: 0;
  font-family: inherit; font-size: 12.5px; color: var(--text);
  min-width: 60px;
}
.am-input.am-input-grow input { width: 100%; }

/* ============== Star motif (decorative) ============== */
.am-stars { position: absolute; inset: 0; pointer-events: none; opacity: 0.07; }

/* ============== Login ============== */
.am-login-wrap {
  display: grid;
  grid-template-columns: 1fr 480px;
  height: 100vh;
  background: var(--bg);
}
@media (max-width: 900px) {
  .am-login-wrap { grid-template-columns: 1fr; }
  .am-login-art { display: none; }
}
.am-login-art {
  background: var(--navy-900);
  color: white;
  position: relative;
  overflow: hidden;
  display: flex; flex-direction: column; justify-content: space-between;
  padding: 40px;
}
.am-login-art::before {
  content: "";
  position: absolute;
  left: 0; right: 0; top: 50%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--accent) 30%, var(--accent) 70%, transparent);
  opacity: 0.6;
}
.am-login-form {
  padding: 56px;
  display: flex; flex-direction: column; justify-content: center;
  overflow-y: auto;
}
@media (max-width: 600px) {
  .am-login-form { padding: 32px 24px; }
}

/* Misc */
.am-divider { height: 1px; background: var(--border); margin: 16px 0; border: 0; }
.am-divider-or {
  display: flex; align-items: center; gap: 12px;
  margin: 8px 0;
  color: var(--text-3); font-size: 11px;
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.am-divider-or::before,
.am-divider-or::after { content: ""; flex: 1; height: 1px; background: var(--border); }
.am-hr-accent { height: 2px; background: var(--accent); width: 32px; border: 0; margin: 0; }

.am-progress {
  height: 4px;
  background: var(--bg-sunken);
  border-radius: 99px;
  overflow: hidden;
}
.am-progress > span {
  display: block;
  height: 100%;
  background: var(--navy-700);
  border-radius: inherit;
}
.am-progress > span.danger { background: var(--accent); }

/* Alerts (used for flash + form errors) */
.am-alert {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 12px 14px;
  border-radius: var(--r-sm);
  border: 1px solid var(--border);
  background: var(--bg-sunken);
  font-size: 13px;
  color: var(--text);
}
.am-alert svg { flex-shrink: 0; margin-top: 2px; }
.am-alert[data-tone="ok"]   { color: var(--ok);     border-color: rgba(26,127,78,0.25);  background: rgba(26,127,78,0.06); }
.am-alert[data-tone="warn"] { color: var(--warn);   border-color: rgba(185,116,0,0.25);  background: rgba(185,116,0,0.06); }
.am-alert[data-tone="red"]  { color: var(--accent); border-color: rgba(191,10,48,0.25);  background: rgba(191,10,48,0.06); }
.am-alert[data-tone="navy"] { color: var(--navy-700); border-color: rgba(23,62,112,0.25); background: rgba(23,62,112,0.05); }

/* Modal/Dialog */
dialog.am-dialog {
  border: 1px solid var(--border);
  background: var(--bg-elev);
  border-radius: var(--r-md);
  padding: 0;
  color: var(--text);
  font-family: var(--font-sans);
  width: min(560px, 92vw);
  box-shadow: var(--shadow-lg);
}
dialog.am-dialog::backdrop { background: rgba(10, 22, 34, 0.5); }
.am-dialog-h {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}
.am-dialog-h h3 { font-size: 15px; font-weight: 600; }
.am-dialog-body { padding: 20px; display: flex; flex-direction: column; gap: 14px; }
.am-dialog-foot {
  display: flex; justify-content: flex-end; gap: 8px;
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  background: var(--bg-sunken);
}

/* tiny utility */
.mono { font-family: var(--font-mono); }
.serif { font-family: var(--font-serif); }
.t { color: var(--text); }
.t2 { color: var(--text-2); }
.t3 { color: var(--text-3); }
.fmono10 { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; }
.fw5 { font-weight: 500; }
.fw6 { font-weight: 600; }
.text-accent { color: var(--accent); }
.text-ok { color: var(--ok); }
.text-warn { color: var(--warn); }
.gap-8 { gap: 8px; }
.gap-16 { gap: 16px; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-1 { flex: 1; min-width: 0; }
.items-center { align-items: center; }
.items-end { align-items: flex-end; }
.justify-between { justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.mt-8 { margin-top: 8px; } .mt-16 { margin-top: 16px; } .mt-24 { margin-top: 24px; }
.mb-8 { margin-bottom: 8px; } .mb-16 { margin-bottom: 16px; } .mb-24 { margin-bottom: 24px; }
.am-hidden { display: none !important; }

/* Two-column grids used by several pages */
.am-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.am-grid-2-1 { display: grid; grid-template-columns: 2fr 1fr; gap: 16px; }
.am-grid-1-2 { display: grid; grid-template-columns: 1fr 2fr; gap: 16px; }
@media (max-width: 1100px) {
  .am-grid-2, .am-grid-2-1, .am-grid-1-2 { grid-template-columns: 1fr; }
}

/* Email reader two-pane */
.am-mail-split {
  display: grid;
  grid-template-columns: 320px 1fr;
  height: 100%;
  min-height: 0;
}
@media (max-width: 900px) { .am-mail-split { grid-template-columns: 1fr; } }
.am-mail-rail { border-right: 1px solid var(--border); overflow: auto; background: var(--bg-elev); }
.am-mail-rail-h { padding: 16px 20px; border-bottom: 1px solid var(--border); }
.am-mail-rail-item {
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
  background: transparent;
  position: relative;
  cursor: pointer;
  display: block;
  text-decoration: none;
  color: inherit;
}
.am-mail-rail-item.active { background: var(--bg-sunken); }
.am-mail-rail-item.active::before {
  content: "";
  position: absolute; left: 0; top: 12px; bottom: 12px;
  width: 2px; background: var(--accent); border-radius: 2px;
}
.am-mail-rail-snip {
  font-size: 12.5px; color: var(--text-2); line-height: 1.4;
  overflow: hidden; text-overflow: ellipsis;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
}
.am-mail-reader { overflow: auto; padding: 32px 48px; min-width: 0; }
@media (max-width: 700px) { .am-mail-reader { padding: 24px; } }
.am-mail-reader-actions { display: flex; gap: 6px; flex-wrap: wrap; }
.am-mail-meta { display: flex; align-items: center; gap: 12px; margin-top: 20px; padding-bottom: 16px; border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.am-mail-body { margin-top: 28px; font-size: 14.5px; line-height: 1.7; color: var(--text); max-width: 720px; }
.am-mail-body p { margin: 14px 0; }
.am-mail-body ul, .am-mail-body ol { margin: 8px 0; padding-left: 20px; color: var(--text-2); }
.am-mail-body img { max-width: 100%; height: auto; }
.am-mail-body iframe { width: 100%; min-height: 480px; border: 1px solid var(--border); border-radius: var(--r-sm); background: white; }

/* Pagination */
.am-pagination { display: flex; gap: 4px; }
.am-pagination .am-btn { min-width: 32px; justify-content: center; }

/* Inline email-filter link used in From/To columns — clicking adds the address to the active search filter. */
.am-addr-link {
    text-decoration: none;
    color: inherit;
    cursor: pointer;
    border-bottom: 1px dotted transparent;
    border-radius: 2px;
    padding: 0 2px;
    margin: 0 -2px;
    transition: background 0.1s, border-color 0.1s, color 0.1s;
}
.am-addr-link:hover {
    background: var(--bg-sunken);
    border-bottom-color: var(--text-3);
    color: var(--text);
}

/* Public pages chrome (no sidebar) */
.am-public {
  min-height: 100vh;
  display: flex; flex-direction: column;
}
.am-public-header {
  height: 64px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elev);
  display: flex; align-items: center;
  padding: 0 32px;
  gap: 12px;
}
.am-public-main { flex: 1; padding: 40px 32px; max-width: 1080px; margin: 0 auto; width: 100%; }
.am-public-foot {
  border-top: 1px solid var(--border);
  padding: 18px 32px;
  font-size: 11.5px;
  color: var(--text-3);
  text-align: center;
  background: var(--bg-elev);
}

/* scrollbars subtle */
body.am-app *::-webkit-scrollbar { width: 8px; height: 8px; }
body.am-app *::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 4px; }
body.am-app *::-webkit-scrollbar-track { background: transparent; }

/* ============== Mobile / off-canvas sidebar ==============
   At narrow widths the sidebar collapses into a drawer triggered by the
   hamburger button rendered by am_render_topbar(). Body class
   .am-sidebar-open slides it in and shows the overlay. */
.am-mobile-toggle { display: none; }
.am-mobile-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(10, 22, 34, 0.45);
    z-index: 199;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

@media (max-width: 900px) {
    .am-shell {
        grid-template-columns: 1fr;
    }
    .am-sidebar {
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        width: 280px;
        max-width: 88vw;
        transform: translateX(-105%);
        transition: transform 0.22s ease;
        z-index: 200;
        box-shadow: var(--shadow-lg);
    }
    body.am-sidebar-open .am-sidebar { transform: translateX(0); }

    .am-mobile-overlay { display: block; }
    body.am-sidebar-open .am-mobile-overlay { opacity: 1; pointer-events: auto; }

    .am-mobile-toggle { display: inline-grid; flex-shrink: 0; }

    .am-topbar {
        padding: 0 12px;
        gap: 8px;
        height: 52px;
    }
    .am-search { max-width: none; padding: 6px 10px; }
    .am-search .kbd { display: none; }
    .am-status-pill { display: none; }

    .am-content { padding: 18px 14px; }

    .am-page-header {
        flex-direction: column;
        align-items: stretch;
        gap: 14px;
        margin-bottom: 22px;
        padding-bottom: 16px;
    }
    .am-page-header > div:last-child {
        justify-content: flex-start !important;
    }
    .am-page-title { font-size: 22px; }

    .am-card-pad { padding: 16px; }
    .am-card-h { padding: 12px 14px; flex-wrap: wrap; gap: 8px; }
    .am-stat { padding: 14px 16px; }
    .am-stat-value { font-size: 26px; }

    .am-filterbar { padding: 10px 12px; gap: 6px; }
    .am-table thead th { padding: 8px 12px; font-size: 9.5px; }
    .am-table tbody td { padding: 10px 12px; }

    /* Tables get horizontal scroll inside their wrapper rather than crushing columns. */
    .am-table-wrap { -webkit-overflow-scrolling: touch; }

    /* Email reader two-pane: hide the rail, show the reader full-width. */
    .am-mail-split { grid-template-columns: 1fr; }
    .am-mail-rail  { display: none; }
    .am-mail-reader { padding: 22px 14px; }
    .am-mail-reader-actions { gap: 4px; }

    /* Public chrome (share / legal-report) */
    .am-public-header { padding: 0 16px; height: 56px; gap: 10px; flex-wrap: wrap; }
    .am-public-main   { padding: 24px 14px; }
    .am-public-foot   { padding: 14px 16px; }

    /* Stat row already collapses; tighten gap. */
    .am-stat-row { gap: 12px; margin-bottom: 18px; }
}

@media (max-width: 600px) {
    .am-page-title { font-size: 20px; }
    .am-page-sub { font-size: 13px; }
    .am-content { padding: 14px 10px; }
    .am-card-pad { padding: 14px; }
    .am-grid-2, .am-grid-2-1, .am-grid-1-2 { gap: 12px; }
    .am-stat-value { font-size: 24px; }

    /* On-page filter button row should wrap onto its own line. */
    .am-filterbar > .am-btn { width: 100%; justify-content: center; }
    .am-filterbar > .am-input { flex: 1 1 100%; }

    /* Login two-pane collapses (art panel hidden); add safe padding. */
    .am-login-form { padding: 28px 20px; }

    /* Dialogs full-width on tiny screens. */
    dialog.am-dialog { width: 96vw; }
}

/* Lock body scroll while drawer is open so background doesn't scroll behind it. */
body.am-sidebar-open { overflow: hidden; }
body.am-media-modal-open { overflow: hidden; }

/* ===========================================================
 * Attachments grid (image thumbnails + file cards)
 * Used in customer/email.php and admin/email_view.php.
 * =========================================================== */
.am-attachments-card .am-card-h { padding-bottom: 12px; }

.am-attach-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 12px;
    padding: 12px 16px 16px;
}

/* --- Image thumbnail card --- */
.am-attach-thumb {
    appearance: none;
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--r-sm);
    padding: 0;
    cursor: pointer;
    text-align: left;
    color: inherit;
    font: inherit;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: border-color .15s ease, transform .15s ease, box-shadow .15s ease;
}
.am-attach-thumb:hover,
.am-attach-thumb:focus-visible {
    border-color: var(--accent);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm, 0 2px 6px rgba(0,0,0,0.06));
    outline: none;
}
.am-attach-thumb-img {
    display: block;
    width: 100%;
    aspect-ratio: 4 / 3;
    background:
        linear-gradient(45deg, rgba(0,0,0,0.04) 25%, transparent 25%),
        linear-gradient(-45deg, rgba(0,0,0,0.04) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, rgba(0,0,0,0.04) 75%),
        linear-gradient(-45deg, transparent 75%, rgba(0,0,0,0.04) 75%) var(--bg-sunken);
    background-size: 16px 16px;
    background-position: 0 0, 0 8px, 8px -8px, -8px 0;
    overflow: hidden;
}
.am-attach-thumb-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.am-attach-thumb-meta {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 8px 10px 10px;
    border-top: 1px solid var(--border);
}
.am-attach-thumb-name {
    font-size: 12.5px;
    font-weight: 500;
    color: var(--text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.am-attach-thumb-sub {
    font-family: var(--font-mono);
    font-size: 10.5px;
    color: var(--text-3);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* --- Generic file card (PDF, audio, doc, archive, etc.) --- */
.am-attach-card {
    appearance: none;
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--r-sm);
    padding: 12px;
    cursor: pointer;
    text-align: left;
    color: inherit;
    font: inherit;
    display: grid;
    grid-template-columns: 44px 1fr auto;
    align-items: center;
    gap: 10px;
    transition: border-color .15s ease, transform .15s ease, box-shadow .15s ease;
}
.am-attach-card:hover,
.am-attach-card:focus-visible {
    border-color: var(--accent);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm, 0 2px 6px rgba(0,0,0,0.06));
    outline: none;
}
.am-attach-card-icon {
    position: relative;
    width: 44px;
    height: 44px;
    border-radius: 6px;
    background: var(--bg-sunken);
    display: grid;
    place-items: center;
    color: var(--accent);
}
.am-attach-card-ext {
    position: absolute;
    bottom: 2px;
    right: 2px;
    background: var(--accent);
    color: white;
    font-family: var(--font-mono);
    font-size: 8.5px;
    font-weight: 600;
    padding: 1px 4px;
    border-radius: 3px;
    line-height: 1;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    max-width: 36px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.am-attach-card[data-kind="pdf"]    .am-attach-card-ext { background: #BF0A30; }
.am-attach-card[data-kind="doc"]    .am-attach-card-ext { background: #173E70; }
.am-attach-card[data-kind="sheet"]  .am-attach-card-ext { background: #1A7F4E; }
.am-attach-card[data-kind="slides"] .am-attach-card-ext { background: #B97400; }
.am-attach-card[data-kind="archive"].am-attach-card-ext { background: #5B6577; }
.am-attach-card-meta {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.am-attach-card-name {
    font-size: 13px;
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.am-attach-card-sub {
    font-family: var(--font-mono);
    font-size: 10.5px;
    color: var(--text-3);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.am-attach-card-dl {
    width: 32px;
    height: 32px;
    border-radius: 6px;
    display: grid;
    place-items: center;
    color: var(--text-2);
    border: 1px solid var(--border);
    background: var(--bg);
    text-decoration: none;
    transition: color .15s ease, border-color .15s ease, background .15s ease;
}
.am-attach-card-dl:hover {
    color: var(--accent);
    border-color: var(--accent);
    background: rgba(191,10,48,0.06);
}

/* ===========================================================
 * Media preview modal (lightbox)
 * =========================================================== */
dialog.am-media-modal {
    width: min(1100px, 96vw);
    max-width: 1100px;
    max-height: 92vh;
    padding: 0;
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    background: var(--bg-elev);
    color: var(--text);
    overflow: hidden;
}
dialog.am-media-modal::backdrop { background: rgba(10,22,34,0.72); }

.am-media-modal-h {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-sunken);
}
.am-media-modal-title {
    display: flex;
    flex-direction: column;
    min-width: 0;
    gap: 2px;
}
.am-media-modal-name {
    font-weight: 600;
    font-size: 14px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 70vw;
}
.am-media-modal-sub {
    color: var(--text-3);
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.04em;
}
.am-media-modal-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.am-media-modal-body {
    background: #0a1622;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 320px;
    max-height: calc(92vh - 60px);
    overflow: auto;
    padding: 0;
}
.am-media-modal-body[data-kind="image"] { padding: 16px; }
.am-media-modal-body[data-kind="audio"] { padding: 28px; background: var(--bg-elev); color: var(--text); }
.am-media-modal-body[data-kind="archive"],
.am-media-modal-body[data-kind="doc"],
.am-media-modal-body[data-kind="sheet"],
.am-media-modal-body[data-kind="slides"],
.am-media-modal-body[data-kind="text"],
.am-media-modal-body[data-kind="code"],
.am-media-modal-body[data-kind="file"] {
    background: var(--bg-elev);
    color: var(--text);
    padding: 32px;
}

.am-media-modal-loading {
    color: var(--text-3);
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.am-media-img {
    max-width: 100%;
    max-height: calc(92vh - 96px);
    object-fit: contain;
    display: block;
}
.am-media-frame {
    width: 100%;
    height: calc(92vh - 60px);
    min-height: 480px;
    border: 0;
    background: white;
    display: block;
}
.am-media-video {
    max-width: 100%;
    max-height: calc(92vh - 96px);
    background: black;
    display: block;
}
.am-media-audio-wrap {
    width: 100%;
    max-width: 520px;
    text-align: center;
}
.am-media-audio { width: 100%; }

.am-media-generic {
    text-align: center;
    max-width: 480px;
    margin: 0 auto;
}
.am-media-generic-icon {
    color: var(--accent);
    margin-bottom: 12px;
    display: flex;
    justify-content: center;
}
.am-media-generic-title {
    font-weight: 600;
    font-size: 16px;
    margin-bottom: 4px;
    word-break: break-all;
}
.am-media-generic-sub {
    color: var(--text-3);
    font-family: var(--font-mono);
    font-size: 11.5px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-bottom: 14px;
}
.am-media-generic-help {
    color: var(--text-2);
    font-size: 13px;
    line-height: 1.55;
}

@media (max-width: 720px) {
    .am-attach-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
        gap: 10px;
        padding: 10px 12px 12px;
    }
    .am-media-modal-name { max-width: 50vw; }
    .am-media-modal-actions .am-btn-sm { padding: 6px 10px; font-size: 12px; }
    .am-media-frame { height: 70vh; }
}