/* =====================================================================
   amlAdmin — style.css
   01 Base · 02 App shell · 03 Sidebar · 04 Topbar · 05 Cards · 06 Forms & floating labels
   07 Buttons · 08 Tables · 09 Badges & dots · 10 Modals · 11 Switch & checks
   12 Notices · 13 Dashboard strip · 14 Packages matrix · 15 Diagnostics · 16 Login
   17 Utilities · 18 Responsive
   Custom CSS lives here only — never in page-level <style> blocks.
   ===================================================================== */

/* ---------- 01 Base ---------- */
html { font-size: 15.2px; }
body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--text-primary);
  background: var(--surface-page);
  margin: 0;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, h5 { font-weight: var(--font-weight-bold); }
a { color: var(--color-brand-primary); }
a:hover { color: var(--color-brand-primary-dark); text-decoration: none; }
:focus-visible { outline: none; box-shadow: var(--focus-ring); }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

/* ---------- 02 App shell ---------- */
.app-shell { display: flex; min-height: 100vh; }
.app-main { flex: 1 1 auto; min-width: 0; display: flex; flex-direction: column; }
.app-content { padding: 1.5rem; flex: 1 1 auto; }
.app-content > .card:last-child { margin-bottom: 0; }

/* ---------- 03 Sidebar ---------- */
.app-sidebar {
  width: var(--sidebar-w);
  flex: 0 0 var(--sidebar-w);
  position: sticky;
  top: 0;
  height: 100vh;
  background: var(--surface);
  border-inline-end: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 30;
}
.sidebar-brand {
  padding: 1.1rem 1.25rem 0.9rem;
  position: relative;
}
.sidebar-brand img { height: 2.6rem; width: auto; display: block; }
.sidebar-brand-name {
  display: block;
  margin-top: 0.55rem;
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}
/* The letterhead footer gradient, reduced to a single rail under the mark */
.sidebar-brand::after {
  content: "";
  position: absolute;
  inset-inline: 1.25rem;
  bottom: 0;
  height: 3px;
  border-radius: 3px;
  background: var(--brand-gradient);
}
.sidebar-nav { flex: 1 1 auto; overflow-y: auto; padding: 0.5rem 0.75rem 1rem; }
.nav-section { margin-top: 0.75rem; }
.nav-section-title {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  padding: 0.35rem 0.75rem 0.25rem;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.55rem 0.75rem;
  border-radius: var(--btn-radius);
  color: var(--color-neutral-gray-700);
  border-inline-start: 3px solid transparent;
  line-height: 1.3;
}
.nav-item i { font-size: 1.05rem; color: var(--color-neutral-gray-500); }
.nav-item:hover { background: var(--color-neutral-gray-100); color: var(--text-primary); }
.nav-item.is-active {
  background: var(--color-brand-soft);
  color: var(--color-brand-primary);
  border-inline-start-color: var(--color-brand-primary);
  font-weight: var(--font-weight-bold);
}
.nav-item.is-active i { color: var(--color-brand-primary); }
.sidebar-foot {
  padding: 0.75rem 1.25rem;
  border-top: 1px solid var(--border);
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  line-height: 1.6;
}
.sidebar-foot span { display: block; direction: ltr; text-align: end; font-family: Consolas, "Courier New", monospace; }
.sidebar-backdrop { display: none; }

/* ---------- 04 Topbar ---------- */
.app-topbar {
  position: sticky;
  top: 0;
  z-index: 25;
  height: var(--topbar-h);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0 1.5rem;
}
.topbar-heading { min-width: 0; flex: 1 1 auto; }
.topbar-title { font-size: 1.05rem; margin: 0; line-height: 1.2; }
.topbar-hint { font-size: var(--font-size-xs); color: var(--text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.topbar-user { display: flex; align-items: center; gap: 0.75rem; }
.topbar-user .user-name { font-size: var(--font-size-sm); color: var(--color-neutral-gray-600); }

/* ---------- 05 Cards ---------- */
.card {
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  box-shadow: none;
  background: var(--surface);
  margin-bottom: 1rem;
}
.card-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0.85rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  justify-content: space-between;
  border-radius: var(--radius-card) var(--radius-card) 0 0 !important;
}
.card-heading { flex-grow: 1; min-width: 0; }
.card-title { font-size: 1rem; margin: 0; }
.card-hint { font-size: var(--font-size-xs); color: var(--text-muted); }
.card-header .form-actions { margin-inline-start: auto; }
.card-body { padding: 1.25rem; }
.card-body .row { row-gap: 1rem; }

/* ---------- 06 Forms & floating labels ---------- */
.form-actions { display: flex; gap: 0.5rem; justify-content: flex-end; align-items: center; flex-wrap: wrap; }
.card-body > .form-actions { margin-top: 1rem; }
.form-control {
  height: var(--input-height);
  border: 1px solid var(--border-strong);
  border-radius: var(--btn-radius);
  font-size: var(--font-size-base);
  color: var(--text-primary);
  background: var(--surface);
  box-shadow: none;
}
textarea.form-control { height: auto; min-height: calc(var(--input-height) * 2); padding-top: 0.7rem; }
.form-control:focus { border-color: var(--color-brand-primary); box-shadow: var(--focus-ring); }
.form-control[readonly], .form-control:disabled {
  background: var(--color-neutral-gray-100);
  border-color: transparent;
  color: var(--color-neutral-gray-600);
  cursor: not-allowed;
}
.form-control[readonly] { cursor: default; }

.dynamic-group { position: relative; }
.dynamic-group label {
  position: absolute;
  top: 0.62rem;
  inset-inline-start: 0.75rem;
  margin: 0;
  padding: 0 0.3rem;
  color: var(--text-muted);
  pointer-events: none;
  transition: top 0.12s ease, font-size 0.12s ease;
  line-height: 1.2;
  background: transparent;
}
.dynamic-group .form-control::placeholder { color: transparent; }
.dynamic-group .form-control:focus + label,
.dynamic-group .form-control:not(:placeholder-shown) + label,
.dynamic-group select + label,
.dynamic-group.is-fixed label {
  top: -0.5rem;
  font-size: var(--font-size-xs);
  background: var(--label-mask);
  color: var(--color-neutral-gray-600);
}
.dynamic-group .form-control:focus + label { color: var(--color-brand-primary); }
.dynamic-group .type-hint { color: var(--color-neutral-gray-400); font-family: Consolas, "Courier New", monospace; font-size: 0.68rem; }
.dynamic-group.is-required label::after { content: " *"; color: var(--color-danger); }
.field-note { font-size: var(--font-size-xs); color: var(--text-muted); margin-top: 0.3rem; }
select.form-control { padding-inline-end: 2rem; }

/* ---------- 07 Buttons ---------- */
.btn {
  border-radius: var(--btn-radius);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  padding: 0.45rem 1rem;
  line-height: 1.4;
}
.btn-sm { font-size: var(--font-size-sm); padding: 0.3rem 0.7rem; }
.btn-primary { background: var(--color-brand-primary); border-color: var(--color-brand-primary); }
.btn-primary:hover, .btn-primary:focus, .btn-primary:not(:disabled):not(.disabled):active {
  background: var(--color-brand-primary-dark); border-color: var(--color-brand-primary-dark);
}
.btn-light { background: var(--color-neutral-gray-100); border-color: var(--color-neutral-gray-200); color: var(--color-neutral-gray-700); }
.btn-light:hover { background: var(--color-neutral-gray-200); border-color: var(--color-neutral-gray-300); color: var(--text-primary); }
.btn-danger { background: var(--color-danger); border-color: var(--color-danger); }
.btn-outline-primary { color: var(--color-brand-primary); border-color: var(--color-brand-primary); }
.btn-outline-primary:hover { background: var(--color-brand-primary); border-color: var(--color-brand-primary); }
.btn:focus { box-shadow: var(--focus-ring); }
.btn-group > .btn.dropdown-toggle-split { padding-inline: 0.5rem; }
.dropdown-menu { border-color: var(--border); border-radius: var(--btn-radius); text-align: start; font-size: var(--font-size-sm); }
.dropdown-item { padding: 0.45rem 1rem; }
.dropdown-item:hover { background: var(--color-neutral-gray-100); }
.dropdown-item.text-danger:hover { background: var(--color-danger-bg); }

/* ---------- 08 Tables ---------- */
.table-wrapper { position: relative; }
.table-wrapper.pan-x { overflow-x: auto; }
.table-wrapper.pan-x thead th { position: static; }
.table { margin-bottom: 0; }
.table thead th {
  position: sticky;
  top: var(--topbar-h);
  z-index: 5;
  background: var(--color-neutral-gray-50);
  color: var(--color-neutral-gray-600);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  border-top: 0;
  border-bottom: 1px solid var(--border-strong);
  white-space: nowrap;
  padding: 0.6rem 0.9rem;
}
.table td {
  vertical-align: middle;
  border-top: 1px solid var(--border);
  padding: 0.5rem 0.9rem;
  font-size: var(--font-size-sm);
}
.table tbody tr:hover td { background: var(--color-neutral-gray-50); }
.table td .btn-group .btn { height: calc(var(--input-height) - 0.5rem); padding-top: 0; padding-bottom: 0; display: inline-flex; align-items: center; }
.table td .form-control { height: calc(var(--input-height) - 0.5rem); font-size: var(--font-size-sm); }
.table .cell-max { max-width: var(--cell-max); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.table .cell-num { direction: ltr; text-align: end; font-variant-numeric: tabular-nums; }
.table .cell-key { font-family: Consolas, "Courier New", monospace; direction: ltr; text-align: start; }
.table .cell-sub { display: block; font-size: var(--font-size-xs); color: var(--text-muted); }
.table-flat thead th { position: static; }
.purge-preview { max-height: 16rem; overflow-y: auto; border: 1px solid var(--border); border-radius: var(--radius-sm, 0.4rem); }
.table-empty { padding: 2.5rem 1rem; text-align: center; color: var(--text-muted); }
.table-empty i { font-size: 1.6rem; display: block; margin-bottom: 0.4rem; color: var(--color-neutral-gray-400); }
tr.row-off td { color: var(--color-neutral-gray-500); }

/* ---------- 09 Badges & dots ---------- */
.status-dot { display: inline-block; width: 0.6rem; height: 0.6rem; border-radius: 50%; vertical-align: middle; margin-inline-end: 0.4rem; }
.status-dot.is-on { background: var(--color-success); }
.status-dot.is-off { background: var(--color-neutral-gray-400); }
.status-dot.is-warn { background: var(--color-warning); }
.pill {
  display: inline-block;
  padding: 0.12rem 0.6rem;
  border-radius: var(--radius-pill);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  background: var(--color-neutral-gray-100);
  color: var(--color-neutral-gray-700);
  white-space: nowrap;
}
.pill.is-ok { background: var(--color-success-bg); color: var(--color-success); }
.pill.is-danger { background: var(--color-danger-bg); color: var(--color-danger); }
.pill.is-warn { background: var(--color-warning-bg); color: var(--color-warning); }
.pill.is-brand { background: var(--color-brand-soft); color: var(--color-brand-primary); }

/* ---------- 10 Modals ---------- */
.modal-content { border: 0; border-radius: var(--radius-card); --label-mask: var(--surface-modal); }
.modal-header { border-bottom: 1px solid var(--border); padding: 1rem 1.25rem; }
.modal-title { font-size: 1rem; }
.modal-header .close { padding: 1rem; }
.modal-body { padding: 1.25rem; background: var(--surface-modal); }
.modal-body .row { row-gap: 1rem; }
.modal-body .form-control { background: var(--surface); }
.modal-footer { border-top: 1px solid var(--border); padding: 0.85rem 1.25rem; gap: 0.5rem; }
.modal-footer > * { margin: 0; }
.modal-subject { font-weight: var(--font-weight-bold); color: var(--color-brand-primary); }

/* ---------- 11 Switch & checks ---------- */
input[type="checkbox"] { accent-color: var(--color-brand-primary); width: 1rem; height: 1rem; vertical-align: middle; margin: 0 0.45rem 0 0; }
.check { display: flex; align-items: center; gap: 0.5rem; margin: 0; min-height: var(--input-height); cursor: pointer; }
.check input { margin: 0; }
.switch { display: inline-flex; align-items: center; gap: 0.6rem; margin: 0; min-height: var(--input-height); cursor: pointer; }
.switch input { position: absolute; opacity: 0; width: 0; height: 0; }
.switch-track {
  position: relative;
  width: 2.4rem;
  height: 1.3rem;
  border-radius: var(--radius-pill);
  background: var(--color-neutral-gray-300);
  transition: background 0.15s ease;
  flex: 0 0 auto;
}
.switch-track::after {
  content: "";
  position: absolute;
  top: 0.15rem;
  inset-inline-start: 0.15rem;
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  background: var(--surface);
  transition: transform 0.15s ease;
}
.switch input:checked + .switch-track { background: var(--color-brand-primary); }
.switch input:checked + .switch-track::after { transform: translateX(-1.1rem); }
.switch input:focus-visible + .switch-track { box-shadow: var(--focus-ring); }
.switch input:disabled + .switch-track { opacity: 0.5; }
.switch-text { font-size: var(--font-size-sm); color: var(--color-neutral-gray-700); }

/* ---------- 12 Notices ---------- */
.notice {
  border: 1px solid var(--border);
  border-radius: var(--btn-radius);
  padding: 0.75rem 1rem;
  font-size: var(--font-size-sm);
  background: var(--color-info-bg);
  color: var(--color-neutral-gray-700);
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
}
.notice i { font-size: 1.05rem; line-height: 1.3; }
.notice-warning { background: var(--color-warning-bg); border-color: #f3e2ad; }
.notice-danger { background: var(--color-danger-bg); border-color: #f2c2c2; }
.notice-success { background: var(--color-success-bg); border-color: #bfe6cc; }
.notice code { color: var(--color-brand-primary-dark); background: rgba(255,255,255,0.6); padding: 0 0.3rem; border-radius: 3px; direction: ltr; unicode-bidi: embed; }

/* ---------- 13 Dashboard strip ---------- */
.stat-strip { display: flex; flex-wrap: wrap; }
.stat {
  flex: 1 1 10rem;
  padding: 0.5rem 1.25rem;
  border-inline-end: 1px solid var(--border);
  color: inherit;
  display: block;
  min-width: 9rem;
}
.stat:last-child { border-inline-end: 0; }
.stat:hover { color: inherit; background: var(--color-neutral-gray-50); border-radius: var(--btn-radius); }
.stat-value { display: block; font-size: 1.6rem; font-weight: var(--font-weight-bold); line-height: 1.1; color: var(--color-brand-primary); font-variant-numeric: tabular-nums; }
.stat-label { display: block; font-size: var(--font-size-sm); color: var(--text-muted); margin-top: 0.15rem; }
.chip-list { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  background: var(--surface);
  color: var(--color-neutral-gray-700);
  font-size: var(--font-size-sm);
}
.chip:hover { border-color: var(--color-brand-primary); color: var(--color-brand-primary); }
.chip .pill { margin-inline-start: 0.2rem; }

/* ---------- 14 Packages matrix & lists ---------- */
.side-list { display: flex; flex-direction: column; gap: 0.25rem; }
.side-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.6rem 0.85rem;
  border-radius: var(--btn-radius);
  border: 1px solid transparent;
  color: var(--color-neutral-gray-700);
}
.side-item:hover { background: var(--color-neutral-gray-100); color: var(--text-primary); }
.side-item.is-active { background: var(--color-brand-soft); border-color: #cfe4ea; color: var(--color-brand-primary); font-weight: var(--font-weight-bold); }
.side-item .side-item-name { flex: 1 1 auto; min-width: 0; }
.side-item .side-item-sub { display: block; font-size: var(--font-size-xs); color: var(--text-muted); font-weight: var(--font-weight-normal); }
.menu-group { border: 1px solid var(--border); border-radius: var(--btn-radius); margin-bottom: 0.75rem; overflow: hidden; }
.menu-group-head {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.55rem 0.9rem;
  background: var(--color-neutral-gray-50);
  border-bottom: 1px solid var(--border);
}
.menu-group-head .check { min-height: auto; font-weight: var(--font-weight-bold); }
.menu-group-head .group-toggle { margin-inline-start: auto; font-size: var(--font-size-xs); }
.menu-group-head .pill { margin-inline-start: 0.25rem; }
.menu-group-body { display: grid; grid-template-columns: repeat(auto-fill, minmax(14rem, 1fr)); gap: 0.25rem 1rem; padding: 0.6rem 0.9rem; }
.menu-group-body .check { min-height: 1.9rem; font-size: var(--font-size-sm); }
.menu-group .is-off { color: var(--color-neutral-gray-400); }
.save-bar { position: sticky; bottom: 0; background: var(--surface); border-top: 1px solid var(--border); padding: 0.75rem 1.25rem; display: flex; justify-content: flex-end; gap: 0.5rem; z-index: 4; }
.save-bar .save-note { margin-inline-end: auto; align-self: center; color: var(--text-muted); font-size: var(--font-size-sm); }

/* ---------- 15 Diagnostics ---------- */
.diag-row { display: flex; align-items: flex-start; gap: 0.75rem; padding: 0.6rem 0; border-top: 1px solid var(--border); }
.diag-row:first-child { border-top: 0; }
.diag-name { min-width: 15rem; font-family: Consolas, "Courier New", monospace; direction: ltr; text-align: start; }
.diag-detail { font-size: var(--font-size-sm); color: var(--color-neutral-gray-600); }
.diag-detail code { direction: ltr; unicode-bidi: embed; color: var(--color-danger); }
.diag-detail code.is-warn { color: var(--color-warning); }

/* ---------- 15b Detail list (inbox modal) ---------- */
.detail-list { display: grid; grid-template-columns: 11rem minmax(0, 1fr); gap: 0.4rem 1rem; margin: 0; }
.detail-list dt { color: var(--text-muted); font-size: var(--font-size-sm); font-weight: var(--font-weight-medium); }
.detail-list dd { margin: 0; white-space: pre-wrap; word-break: break-word; }
@media (max-width: 575.98px) { .detail-list { grid-template-columns: 1fr; } .detail-list dd { margin-bottom: 0.5rem; } }

/* ---------- 16 Login ---------- */
.login-shell { min-height: 100vh; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); }
.login-brand {
  background: var(--brand-gradient);
  color: var(--text-inverse);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 3rem clamp(2rem, 6vw, 5rem);
  position: relative;
  overflow: hidden;
}
.login-brand img { width: 5.5rem; height: 5.5rem; margin-bottom: 1.5rem; background: #fff; border-radius: 1.1rem; padding: 0.55rem; object-fit: contain; }
.login-brand h1 { font-size: 2rem; margin: 0 0 0.5rem; }
.login-brand p { font-size: 1.05rem; opacity: 0.85; max-width: 26rem; margin: 0; }
.login-brand .login-foot { position: absolute; bottom: 1.5rem; inset-inline-start: clamp(2rem, 6vw, 5rem); font-size: var(--font-size-xs); opacity: 0.7; direction: ltr; }
.login-form { display: flex; align-items: center; justify-content: center; padding: 2rem; background: var(--surface); }
.login-card { width: 100%; max-width: 22rem; }
.login-card h2 { font-size: 1.25rem; margin-bottom: 0.25rem; }
.login-card .login-hint { color: var(--text-muted); font-size: var(--font-size-sm); margin-bottom: 1.5rem; }
.login-card .dynamic-group { margin-bottom: 1rem; }
.login-card .btn { width: 100%; height: var(--input-height); }

/* ---------- 17 Utilities ---------- */
.text-start { text-align: start !important; }
.text-end { text-align: end !important; }
.text-muted { color: var(--text-muted) !important; }
.mono { font-family: Consolas, "Courier New", monospace; direction: ltr; unicode-bidi: embed; }
.gap-2 { gap: 0.5rem; }
.w-100 { width: 100%; }
.mb-0 { margin-bottom: 0 !important; }
.ltr { direction: ltr; unicode-bidi: embed; }

/* ---------- 18 Responsive ---------- */
@media (max-width: 991.98px) {
  .app-sidebar {
    position: fixed;
    inset-block: 0;
    inset-inline-start: 0;
    transform: translateX(100%);
    transition: transform 0.2s ease;
    box-shadow: none;
  }
  body.sidebar-open .app-sidebar { transform: none; box-shadow: 0 0 0 100vmax rgba(15, 23, 42, 0.35); }
  body.sidebar-open .sidebar-backdrop { display: block; position: fixed; inset: 0; z-index: 29; }
  .app-content { padding: 1rem; }
  .app-topbar { padding: 0 1rem; }
  .login-shell { grid-template-columns: 1fr; }
  .login-brand { padding: 2rem 1.5rem; min-height: 11rem; justify-content: flex-end; }
  .login-brand img { width: 3rem; height: 3rem; margin-bottom: 0.75rem; }
  .login-brand h1 { font-size: 1.4rem; }
  .login-brand .login-foot { display: none; }
}