/* =========================================================================
   Portal — Clean White & Blue Theme
   - White-dominant surfaces, single calm blue accent
   - HCI: clear hierarchy, generous whitespace, accessible contrast,
     consistent radii/shadows, predictable feedback states
   ========================================================================= */

:root {
  /* Surfaces */
  --bg:           #f5f8fc;   /* page background — barely-tinted blue */
  --bg-soft:      #ffffff;
  --surface:      #ffffff;   /* cards, modals, popovers */
  --surface-2:    #f8fafc;   /* sidebar, table headers */
  --surface-hover:#f1f5f9;

  /* Borders & dividers */
  --border:       #e5e9f0;   /* default hairline */
  --border-strong:#cbd5e1;

  /* Text */
  --text:         #0f1729;   /* primary copy */
  --text-soft:    #334155;
  --muted:        #64748b;   /* secondary copy */
  --muted-2:      #94a3b8;

  /* Brand — single, calm blue */
  --primary:      #2563eb;   /* blue-600 */
  --primary-600:  #1d4ed8;   /* hover */
  --primary-700:  #1e40af;   /* pressed */
  --primary-50:   #eff6ff;   /* subtle background */
  --primary-100:  #dbeafe;
  --primary-200:  #bfdbfe;
  --ring:         rgba(37, 99, 235, .35);

  /* Status */
  --success:      #15803d;   /* green-700 — accessible on white */
  --success-bg:   #dcfce7;
  --danger:       #b91c1c;   /* red-700 */
  --danger-bg:    #fee2e2;
  --warning:      #b45309;
  --warning-bg:   #fef3c7;

  /* Elevation */
  --shadow-sm:    0 1px 2px rgba(15, 23, 42, .04);
  --shadow:       0 4px 12px rgba(15, 23, 42, .06), 0 1px 3px rgba(15, 23, 42, .04);
  --shadow-lg:    0 12px 28px rgba(15, 23, 42, .10), 0 2px 6px rgba(15, 23, 42, .04);

  /* Geometry */
  --radius-sm: 8px;
  --radius:    12px;
  --radius-lg: 16px;

  /* Bootstrap variable bridges */
  --bs-primary: var(--primary);
  --bs-primary-rgb: 37, 99, 235;
  --bs-link-color: var(--primary-600);
  --bs-link-hover-color: var(--primary-700);
  --bs-body-color: var(--text);
  --bs-body-bg: var(--bg);
  --bs-border-color: var(--border);
}

/* -----------------------------------------------------------------------
   Base
   ----------------------------------------------------------------------- */
html, body { height: 100%; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: "Pretendard", "Inter", system-ui, -apple-system, "Segoe UI",
               Roboto, "Helvetica Neue", Arial, "Apple SD Gothic Neo",
               "Noto Sans KR", sans-serif;
  font-size: 15px;
  line-height: 1.55;
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection { background: var(--primary-100); color: var(--primary-700); }

h1, h2, h3, h4, h5, h6 { color: var(--text); letter-spacing: -0.01em; }
.h4, h4 { font-weight: 700; }

a { color: var(--primary-600); text-decoration: none; }
a:hover { color: var(--primary-700); text-decoration: underline; text-underline-offset: 3px; }

hr { border-color: var(--border); opacity: 1; }

/* Universal accessible focus ring */
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: 6px;
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}

/* -----------------------------------------------------------------------
   Navbar — white with hairline border
   ----------------------------------------------------------------------- */
.navbar.app-navbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  box-shadow: none;
  padding-top: .65rem;
  padding-bottom: .65rem;
  transition: box-shadow .2s ease, border-color .2s ease;
}
.navbar.app-navbar .navbar-brand {
  color: var(--text);
  font-weight: 700;
  letter-spacing: -0.01em;
  display: inline-flex;
  align-items: center;
  gap: .55rem;
}
.navbar.app-navbar .navbar-brand .brand-mark {
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--primary), var(--primary-600));
  color: #fff;
  font-size: 16px;
  box-shadow: 0 4px 10px rgba(37, 99, 235, .25);
}
.navbar.app-navbar .navbar-brand i { color: var(--primary); }
body.scrolled .navbar.app-navbar {
  box-shadow: 0 4px 12px rgba(15, 23, 42, .05);
}

#clock {
  color: var(--muted);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: .3rem .7rem;
  font-variant-numeric: tabular-nums;
  font-size: .85rem;
}

/* Admin-mode pill */
.admin-pill {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .3rem .65rem;
  border-radius: 999px;
  background: var(--primary-50);
  color: var(--primary-700);
  border: 1px solid var(--primary-200);
  font-size: .8rem;
  font-weight: 600;
}

/* -----------------------------------------------------------------------
   Cards
   ----------------------------------------------------------------------- */
.card {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.card .card-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  color: var(--text);
  font-weight: 600;
  border-top-left-radius: var(--radius-lg);
  border-top-right-radius: var(--radius-lg);
  padding: .85rem 1.1rem;
}
.card .card-header strong { color: var(--text); font-weight: 700; }
.card .card-body { padding: 1.1rem 1.2rem; }
.card .card-footer {
  background: var(--surface-2);
  border-top: 1px solid var(--border);
  color: var(--muted);
}

/* Section headings */
section .h4 { color: var(--text); font-weight: 700; }
section .text-secondary { color: var(--muted) !important; }

/* Quick-link cards */
.link-card .card {
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
  cursor: default;
}
.link-card .card:hover {
  transform: translateY(-2px);
  border-color: var(--primary-200);
  box-shadow: var(--shadow);
}
.link-card .card-title {
  color: var(--text);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: .35rem;
}
.link-card img { object-fit: contain; filter: none; }
.link-card .bi { color: var(--primary); }

main.container, main.container-xxl { padding-bottom: 2.5rem; }

/* -----------------------------------------------------------------------
   Buttons — clear primary, calm secondaries, ample tap area
   ----------------------------------------------------------------------- */
.btn {
  border-radius: var(--radius-sm);
  font-weight: 500;
  padding: .45rem .9rem;
  transition: background-color .12s ease, color .12s ease,
              border-color .12s ease, box-shadow .12s ease, transform .05s ease;
}
.btn:active { transform: translateY(1px); }
.btn-sm { padding: .3rem .65rem; font-size: .82rem; }

.btn-primary,
.btn-primary:focus {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  box-shadow: 0 1px 2px rgba(37, 99, 235, .25);
}
.btn-primary:hover {
  background: var(--primary-600);
  border-color: var(--primary-600);
  color: #fff;
}
.btn-primary:active { background: var(--primary-700); border-color: var(--primary-700); }

.btn-outline-primary {
  color: var(--primary-600);
  border-color: var(--primary-200);
  background: var(--surface);
}
.btn-outline-primary:hover {
  color: var(--primary-700);
  background: var(--primary-50);
  border-color: var(--primary);
}

.btn-outline-secondary {
  color: var(--text-soft);
  border-color: var(--border-strong);
  background: var(--surface);
}
.btn-outline-secondary:hover {
  color: var(--primary-700);
  background: var(--primary-50);
  border-color: var(--primary);
}

.btn-outline-danger {
  color: var(--danger);
  border-color: #fecaca;
  background: var(--surface);
}
.btn-outline-danger:hover {
  background: var(--danger-bg);
  color: var(--danger);
  border-color: var(--danger);
}

.btn-outline-warning {
  color: var(--warning);
  border-color: #fde68a;
  background: var(--surface);
}
.btn-outline-warning:hover {
  background: var(--warning-bg);
  color: var(--warning);
}

.btn-outline-info {
  color: var(--primary-600);
  border-color: var(--primary-200);
  background: var(--surface);
}
.btn-outline-info:hover {
  background: var(--primary-50);
  color: var(--primary-700);
  border-color: var(--primary);
}

.btn-secondary {
  background: var(--surface-2);
  border-color: var(--border-strong);
  color: var(--text-soft);
}
.btn-secondary:hover {
  background: var(--surface-hover);
  color: var(--text);
  border-color: var(--border-strong);
}

.btn-danger {
  background: #dc2626;
  border-color: #dc2626;
  color: #fff;
}
.btn-danger:hover { background: #b91c1c; border-color: #b91c1c; }

/* Icon-only buttons line up cleanly */
.btn .bi { vertical-align: -2px; }

/* -----------------------------------------------------------------------
   Tables
   ----------------------------------------------------------------------- */
.table {
  --bs-table-color: var(--text);
  --bs-table-striped-color: var(--text);
  --bs-table-hover-color: var(--text);
  --bs-table-border-color: var(--border);
  --bs-table-bg: transparent;
  --bs-table-striped-bg: #fafbfd;
  --bs-table-hover-bg: var(--primary-50);
  color: var(--text);
  margin-bottom: 0;
}
.table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--surface-2);
  color: var(--text);
  font-weight: 600;
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .04em;
  border-bottom: 1px solid var(--border);
  padding: .75rem 1rem;
}
.table tbody td {
  padding: .8rem 1rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
  color: var(--text);
}
.table-hover tbody tr:hover { background-color: var(--bs-table-hover-bg); }
.table tbody tr:nth-child(even) { background: var(--bs-table-striped-bg); }
.table .text-secondary { color: var(--muted) !important; }
.table code {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: .1rem .4rem;
  color: var(--primary-700);
  font-size: .85em;
}

/* -----------------------------------------------------------------------
   Badges — status with leading dot for at-a-glance scanning
   ----------------------------------------------------------------------- */
.badge {
  font-weight: 700;
  font-size: .8rem;
  letter-spacing: .04em;
  padding: .4rem .7rem;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  line-height: 1;
}
.badge.text-bg-success {
  background: #16a34a !important;          /* solid green-600 */
  color: #ffffff !important;
  border: 1px solid #15803d;
  box-shadow: 0 1px 2px rgba(22, 163, 74, .25);
}
.badge.text-bg-success::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 0 0 2px rgba(255, 255, 255, .35);
}
.badge.text-bg-danger {
  background: #dc2626 !important;          /* solid red-600 */
  color: #ffffff !important;
  border: 1px solid #b91c1c;
  box-shadow: 0 1px 2px rgba(220, 38, 38, .25);
}
.badge.text-bg-danger::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 0 0 0 rgba(255, 255, 255, .55);
  animation: pulse-dot 1.6s infinite ease-in-out;
}
@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255, 255, 255, .55); }
  60%      { box-shadow: 0 0 0 6px rgba(255, 255, 255, 0); }
}

/* -----------------------------------------------------------------------
   Forms
   ----------------------------------------------------------------------- */
.form-label {
  font-weight: 600;
  font-size: .85rem;
  color: var(--text-soft);
  margin-bottom: .35rem;
}
.form-control, .form-select {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: .55rem .75rem;
  transition: border-color .12s ease, box-shadow .12s ease;
}
.form-control::placeholder { color: var(--muted-2); }
.form-control:focus, .form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--ring);
  outline: 0;
}
.form-text { color: var(--muted); }
.input-group-text {
  background: var(--surface-2);
  border: 1px solid var(--border-strong);
  color: var(--muted);
}

/* Switch — recolor to brand blue when active */
.form-check-input {
  border-color: var(--border-strong);
}
.form-check-input:focus { box-shadow: 0 0 0 4px var(--ring); border-color: var(--primary); }
.form-check-input:checked {
  background-color: var(--primary);
  border-color: var(--primary);
}

/* -----------------------------------------------------------------------
   IFrame embed panels
   ----------------------------------------------------------------------- */
.ratio {
  background: var(--surface-2);
  border-bottom-left-radius: var(--radius-lg);
  border-bottom-right-radius: var(--radius-lg);
}
iframe {
  border: 0;
  width: 100%; height: 100%;
  border-bottom-left-radius: var(--radius-lg);
  border-bottom-right-radius: var(--radius-lg);
  background: #fff;
}
.iframe-wrap { position: relative; }
.iframe-skeleton {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  pointer-events: none;
  background: linear-gradient(110deg,
              var(--surface-2) 8%,
              var(--surface-hover) 18%,
              var(--surface-2) 33%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite linear;
  border-bottom-left-radius: var(--radius-lg);
  border-bottom-right-radius: var(--radius-lg);
}
.iframe-skeleton .spinner-border { color: var(--primary); }
@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* -----------------------------------------------------------------------
   Modals
   ----------------------------------------------------------------------- */
.modal-content {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}
.modal-header, .modal-footer { border-color: var(--border); }
.modal-header { padding: 1rem 1.25rem; }
.modal-footer { padding: .85rem 1.25rem; background: var(--surface-2); border-bottom-left-radius: var(--radius-lg); border-bottom-right-radius: var(--radius-lg); }
.modal-title { font-weight: 700; }
.modal-header .btn-close { filter: none; opacity: .55; }
.modal-header .btn-close:hover { opacity: .85; }

/* Danger-headed modals stay readable */
.modal-header.bg-danger {
  background: var(--danger) !important;
  border-bottom: 0;
  border-top-left-radius: var(--radius-lg);
  border-top-right-radius: var(--radius-lg);
}
.modal-header.bg-danger .btn-close { filter: invert(1) grayscale(100%); opacity: .85; }

/* Primary-headed modal (login) */
.card-header.bg-primary, .modal-header.bg-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-600)) !important;
  border-bottom: 0;
  border-top-left-radius: var(--radius-lg);
  border-top-right-radius: var(--radius-lg);
}

/* -----------------------------------------------------------------------
   Group hover popover (link group "보기" menu)
   ----------------------------------------------------------------------- */
.group-popover-anchor { position: relative; }
.group-popover {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  min-width: 280px;
  max-width: 360px;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: .5rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity .15s ease, transform .15s ease, visibility .15s ease;
  z-index: 1070;
  pointer-events: none;
}
.group-popover.show {
  opacity: 1; visibility: visible; transform: translateY(0);
  pointer-events: auto;
}
.group-popover::before {
  content: "";
  position: absolute;
  top: -8px; left: 16px;
  border-width: 0 8px 8px 8px;
  border-style: solid;
  border-color: transparent transparent var(--border) transparent;
}
.group-popover::after {
  content: "";
  position: absolute;
  top: -7px; left: 17px;
  border-width: 0 7px 7px 7px;
  border-style: solid;
  border-color: transparent transparent var(--surface) transparent;
}
.group-popover .group-item {
  padding: .55rem .65rem;
  border-radius: var(--radius-sm);
  margin: .15rem 0;
  transition: background-color .12s ease;
}
.group-popover .group-item:hover { background: var(--primary-50); }

/* -----------------------------------------------------------------------
   Server-info card (used in modal + admin list)
   ----------------------------------------------------------------------- */
.server-card {
  display: flex;
  flex-direction: column;
  gap: .85rem;
  padding: 1.1rem 1.2rem;
}
.server-card__head {
  display: flex;
  align-items: center;
  gap: .85rem;
}
.server-card__icon {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border-radius: 10px;
  background: var(--primary-50);
  color: var(--primary-600);
  font-size: 20px;
  flex-shrink: 0;
}
.server-card__title { flex: 1; min-width: 0; }
.server-card__name {
  font-weight: 700;
  font-size: 1.02rem;
  color: var(--text);
  line-height: 1.3;
  word-break: break-word;
}
.server-card__desc {
  font-size: .82rem;
  color: var(--muted);
  margin-top: 2px;
  line-height: 1.4;
}
.server-card__rows {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--border);
  padding-top: .7rem;
  gap: .45rem;
}
.server-card__row {
  display: flex;
  align-items: center;
  gap: .55rem;
  font-size: .88rem;
  min-height: 28px;
}
.server-card__row .icon {
  color: var(--primary);
  width: 18px;
  text-align: center;
  flex-shrink: 0;
  font-size: 14px;
}
.server-card__row .label {
  color: var(--muted);
  font-weight: 600;
  font-size: .7rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  width: 32px;
  flex-shrink: 0;
}
.server-card__row .value {
  flex: 1;
  min-width: 0;
  color: var(--text);
  word-break: break-all;
}
.server-card__row .value code {
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--primary-700);
  padding: .15rem .5rem;
  border-radius: 6px;
  font-size: .85em;
  font-variant-numeric: tabular-nums;
}
.server-card__copy {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  width: 30px; height: 30px;
  border-radius: 6px;
  display: grid; place-items: center;
  cursor: pointer;
  transition: background-color .12s ease, color .12s ease, border-color .12s ease;
  flex-shrink: 0;
  padding: 0;
}
.server-card__copy:hover {
  background: var(--primary-50);
  color: var(--primary-700);
  border-color: var(--primary-200);
}
.server-card__copy.copied {
  background: var(--success-bg);
  color: var(--success);
  border-color: #bbf7d0;
}
.server-card__note {
  display: flex;
  align-items: flex-start;
  gap: .55rem;
  padding: .65rem .8rem;
  background: var(--surface-2);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--primary-200);
  font-size: .82rem;
  color: var(--text-soft);
  line-height: 1.5;
}
.server-card__note .bi {
  color: var(--primary);
  flex-shrink: 0;
  margin-top: 2px;
}
.server-card__empty {
  text-align: center;
  padding: 2.5rem 1rem;
  color: var(--muted);
}
.server-card__empty .bi {
  display: block;
  font-size: 2.4rem;
  margin-bottom: .5rem;
  color: var(--muted-2);
}
/* When server-card sits inside admin item-card, drop double padding */
.item-card > .server-card { padding: 1rem 1.1rem .9rem; }

/* Specs grid: 2-col on wide containers, auto-fall to 1-col when narrow.
   Same rule for modal cards, inline status panel, admin cards. */
.server-card__specs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: .35rem .9rem;
  border-top: 1px solid var(--border);
  padding-top: .7rem;
}
.server-card__rows + .server-card__specs { border-top-color: var(--border); }

.spec-item {
  display: grid;
  grid-template-columns: 18px auto 1fr;
  align-items: baseline;
  gap: .45rem;
  font-size: .85rem;
  min-height: 24px;
  padding: .15rem 0;
}
.spec-item__icon {
  color: var(--primary);
  font-size: 13px;
  text-align: center;
  align-self: center;
}
.spec-item__label {
  color: var(--muted);
  font-weight: 600;
  font-size: .72rem;
  letter-spacing: .03em;
  text-transform: uppercase;
  white-space: nowrap;
}
.spec-item__value {
  color: var(--text);
  word-break: break-word;
  min-width: 0;
}

/* -----------------------------------------------------------------------
   Admin specs editor (label/value rows)
   ----------------------------------------------------------------------- */
.specs-editor {
  display: flex;
  flex-direction: column;
  gap: .4rem;
}
.spec-row {
  display: grid;
  grid-template-columns: minmax(120px, 180px) 1fr auto;
  gap: .5rem;
  align-items: center;
}
.spec-row .spec-remove {
  width: 34px; height: 34px;
  padding: 0;
  display: grid; place-items: center;
}
@media (max-width: 540px) {
  .spec-row { grid-template-columns: 1fr auto; }
  .spec-row .spec-label { grid-column: 1 / -1; }
}

/* Location badge (shown alongside server name in card heads) */
.location-badge {
  display: inline-flex;
  align-items: center;
  gap: .25rem;
  padding: .15rem .5rem;
  margin-right: .4rem;
  background: var(--primary-50);
  color: var(--primary-700);
  border: 1px solid var(--primary-200);
  border-radius: 999px;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .02em;
  vertical-align: 1px;
  white-space: nowrap;
}
.location-badge .bi { font-size: 11px; }
.server-card__name { display: flex; flex-wrap: wrap; align-items: center; gap: .15rem; }

/* -----------------------------------------------------------------------
   Status table: group separator + clickable name + inline expandable row
   ----------------------------------------------------------------------- */

/* Each group's first row gets a thick top divider so 판교 / 시흥 / etc.
   read as clearly distinct sections. The selector matches any body row
   whose first cell carries `rowspan` — that's exactly the group head row. */
#status-table tbody tr:has(> td[rowspan]) > td {
  border-top: 3px solid var(--primary-100);
}
#status-table tbody tr:first-child:has(> td[rowspan]) > td {
  border-top: 0;        /* don't double-line the very first group */
}

/* Group label cell — emphasised typography only (no permanent tint). */
#status-table tbody td[rowspan] {
  color: var(--primary-700);
  font-weight: 700;
  font-size: .92rem;
  letter-spacing: .01em;
}

/* Active group marker: applied by JS to the rowspan cell of whichever group
   currently has an expanded server. Pure left-edge accent, no fill. */
#status-table tbody td[rowspan].group-active {
  box-shadow: inset 2px 0 0 var(--primary);
}

.status-name-btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  background: transparent;
  border: 0;
  padding: .15rem .35rem;
  margin: -.15rem -.35rem;
  border-radius: 6px;
  color: var(--text);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: background-color .12s ease, color .12s ease;
  text-align: left;
}
.status-name-btn:hover {
  background: var(--primary-50);
  color: var(--primary-700);
}
.status-name-btn .chev {
  font-size: 12px;
  color: var(--muted);
  transition: transform .15s ease, color .12s ease;
}
.status-name-btn:hover .chev { color: var(--primary); }
.status-name-btn.open .chev { transform: rotate(180deg); color: var(--primary); }
.status-name-btn.open {
  background: var(--primary-50);
  color: var(--primary-700);
}
/* Empty-info name: same black text, just a dimmer chevron to hint
   that there's nothing to expand. */
.status-name-btn--empty { color: var(--text); }
.status-name-btn--empty:hover { background: var(--surface-hover); color: var(--text); }
.status-name-btn--empty .chev { opacity: .35; }

/* The expanded row inserted directly after a status row */
.status-detail-row > td {
  background: var(--surface-2) !important;
  border-top: 0 !important;
  padding: 0 !important;
}
.status-detail-row:hover > td { background: var(--surface-2) !important; }
.status-detail {
  padding: .85rem 1rem 1rem;
  border-bottom: 2px solid var(--primary-100);
  animation: detail-slide .18s ease;
}
.status-detail .card,
.status-detail .server-card {
  background: var(--surface);
}
.status-detail .server-card {
  padding: .9rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  max-width: 720px;
}
.status-detail--empty {
  display: flex;
  align-items: center;
  gap: .55rem;
  padding: .75rem 1rem;
  color: var(--muted);
  font-size: .88rem;
}
.status-detail--empty .bi { color: var(--primary); font-size: 16px; }
.status-detail--empty a { color: var(--primary-600); font-weight: 600; }

@keyframes detail-slide {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* -----------------------------------------------------------------------
   Admin sidebar / nav pills
   ----------------------------------------------------------------------- */
.admin-sidebar {
  background: var(--surface) !important;
  border-right: 1px solid var(--border);
  min-height: calc(100vh - 60px);
}
.admin-sidebar .nav-link {
  color: var(--text-soft);
  border-radius: var(--radius-sm);
  padding: .55rem .8rem;
  margin-bottom: .15rem;
  font-weight: 500;
  transition: background-color .12s ease, color .12s ease;
}
.admin-sidebar .nav-link:hover {
  background: var(--primary-50);
  color: var(--primary-700);
}
.admin-sidebar .nav-link.active {
  background: var(--primary) !important;
  color: #fff !important;
  box-shadow: 0 4px 10px rgba(37, 99, 235, .25);
}
.admin-sidebar .nav-link.text-secondary { color: var(--muted) !important; }
.admin-sidebar .nav-link.text-secondary:hover { color: var(--text) !important; background: var(--surface-2); }

.item-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color .12s ease, box-shadow .12s ease, transform .12s ease;
}
.item-card:hover {
  border-color: var(--primary-200);
  box-shadow: var(--shadow);
  transform: translateY(-1px);
}

/* -----------------------------------------------------------------------
   Toasts
   ----------------------------------------------------------------------- */
.toast {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}
.toast-header {
  background: var(--surface);
  color: var(--text);
  border-bottom: 1px solid var(--border);
  border-top-left-radius: var(--radius);
  border-top-right-radius: var(--radius);
}

/* -----------------------------------------------------------------------
   Alerts (login error etc.)
   ----------------------------------------------------------------------- */
.alert-danger {
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid #fecaca;
  border-radius: var(--radius);
}

/* -----------------------------------------------------------------------
   Login screen
   ----------------------------------------------------------------------- */
.login-container {
  max-width: 420px;
  margin: 80px auto;
}
.login-card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.login-card .card-header { padding: 1.25rem; color: #fff; border-bottom: 0; }
.login-card .card-header h4 { color: #fff; }

/* -----------------------------------------------------------------------
   Utility tweaks
   ----------------------------------------------------------------------- */
.text-secondary { color: var(--muted) !important; }
.shadow-sm { box-shadow: var(--shadow-sm) !important; }
.shadow      { box-shadow: var(--shadow)    !important; }

/* Clean spinner color */
.spinner-border { color: var(--primary); }

/* Bootstrap text-white-on-primary in iframe header etc. */
.btn-outline-primary .bi,
.btn-outline-secondary .bi,
.btn-outline-danger .bi { color: inherit; }