/* ── Variables ──────────────────────────────────────────────────────── */
:root {
  --blue:      #006FFF;
  --blue-dark: #00439C;
  --blue-dim:  rgba(0,111,255,.1);
  --green:     #10B981;
  --red:       #EF4444;
  --orange:    #F59E0B;
  --yellow:    #FBBF24;
  --grey:      #6B7280;
  --grey-lt:   #F3F4F6;
  --border:    #E5E7EB;
  --text:      #111827;
  --text-sub:  #6B7280;
  --card-bg:   #FFFFFF;
  --bg:        #F8FAFC;
  --radius:    10px;
  --shadow:    0 1px 3px rgba(0,0,0,.08), 0 4px 12px rgba(0,0,0,.06);
  --font:      -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --mono:      'SF Mono', 'Fira Code', Consolas, monospace;
}

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

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
}

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Navbar ─────────────────────────────────────────────────────────── */
.navbar {
  background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue) 100%);
  color: white;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 0 24px;
  height: 56px;
  box-shadow: 0 2px 8px rgba(0,0,0,.2);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.nav-logo { font-size: 20px; }

.nav-title {
  font-weight: 700;
  font-size: 16px;
  letter-spacing: .05em;
}

.nav-sub {
  font-size: 11px;
  opacity: .7;
  font-weight: 400;
}

.nav-links {
  display: flex;
  gap: 4px;
  flex: 1;
}

.nav-link {
  color: rgba(255,255,255,.8);
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 13px;
  transition: background .15s, color .15s;
}

.nav-link:hover, .nav-link.active {
  background: rgba(255,255,255,.15);
  color: white;
  text-decoration: none;
}

.nav-user {
  font-size: 12px;
  opacity: .8;
}

/* ── Main layout ─────────────────────────────────────────────────────── */
.main { max-width: 1400px; margin: 0 auto; padding: 24px 20px; }

.page-header { margin-bottom: 24px; }
.page-title { font-size: 22px; font-weight: 700; }
.page-sub { color: var(--text-sub); margin-top: 4px; }

/* ── Status bar ──────────────────────────────────────────────────────── */
.status-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 20px;
  margin-bottom: 24px;
  box-shadow: var(--shadow);
}

.status-chips { display: flex; gap: 8px; flex-wrap: wrap; }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
}

.chip-critical { background: rgba(239,68,68,.12); color: var(--red); border: 1px solid rgba(239,68,68,.3); }
.chip-warning  { background: rgba(245,158,11,.12); color: var(--orange); border: 1px solid rgba(245,158,11,.3); }
.chip-ok       { background: rgba(16,185,129,.12); color: var(--green); border: 1px solid rgba(16,185,129,.3); }

.status-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  white-space: nowrap;
}

.last-check { font-size: 12px; color: var(--text-sub); }

.btn-refresh {
  background: var(--blue-dim);
  border: 1px solid rgba(0,111,255,.3);
  color: var(--blue);
  border-radius: 6px;
  padding: 4px 12px;
  font-size: 12px;
  cursor: pointer;
  transition: background .15s;
}
.btn-refresh:hover { background: rgba(0,111,255,.2); }

/* ── Sections ────────────────────────────────────────────────────────── */
.section { margin-bottom: 32px; }

.section-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.section-badge {
  font-size: 11px;
  font-weight: 600;
  background: var(--red);
  color: white;
  padding: 2px 7px;
  border-radius: 10px;
}

.section-badge:not(.badge-critical) {
  background: var(--grey);
}

/* ── Topology diagram ────────────────────────────────────────────────── */
.topology {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 16px 16px;
  margin-bottom: 20px;
  text-align: center;
  box-shadow: var(--shadow);
  overflow-x: auto;
}

.topo-row {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.topo-row-internet { margin-bottom: 4px; }
.topo-hosts-row { flex-wrap: wrap; gap: 12px; }

.topo-connectors {
  display: flex;
  justify-content: center;
  gap: 80px;
  height: 20px;
  margin: 2px 0;
}

.topo-connectors.single { gap: 0; }
.topo-connectors.wide { gap: 60px; }

.topo-line {
  width: 2px;
  height: 100%;
  background: var(--border);
}

.topo-line-labeled {
  position: relative;
}
.topo-line-labeled::after {
  content: attr(data-link-label);
  position: absolute;
  left: 6px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 10px;
  color: var(--text-dim);
  white-space: nowrap;
}

.topo-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 8px 14px;
  border-radius: 8px;
  border: 1.5px solid var(--border);
  background: var(--grey-lt);
  min-width: 100px;
  font-size: 12px;
  position: relative;
  transition: border-color .2s;
}

.topo-internet {
  border-color: var(--blue);
  background: var(--blue-dim);
  font-weight: 600;
}

.topo-switch {
  border-color: var(--blue);
  background: var(--blue-dim);
}

.topo-host { cursor: default; }

.topo-icon { font-size: 16px; }

.topo-label {
  font-weight: 500;
  font-size: 11px;
  text-align: center;
}

.topo-badge {
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 600;
}

.topo-badge-up      { background: rgba(16,185,129,.15); color: var(--green); }
.topo-badge-down    { background: rgba(239,68,68,.15); color: var(--red); }
.topo-badge-degraded { background: rgba(245,158,11,.15); color: var(--orange); }

.topo-status-{{ 'up' }}      { border-color: var(--green); }
.topo-status-down    { border-color: var(--red); }
.topo-status-degraded { border-color: var(--orange); }

.topo-status-up    { border-color: var(--green); }
.topo-status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--grey);
  position: absolute;
  top: 6px; right: 6px;
}

/* ── Host cards ──────────────────────────────────────────────────────── */
.host-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 14px;
}

.host-card {
  background: var(--card-bg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  box-shadow: var(--shadow);
  transition: border-color .2s, box-shadow .2s;
}

.host-card:hover { box-shadow: 0 4px 16px rgba(0,0,0,.1); }

.host-card-up       { border-left: 4px solid var(--green); }
.host-card-down     { border-left: 4px solid var(--red); }
.host-card-degraded { border-left: 4px solid var(--orange); }

.host-card-header { margin-bottom: 10px; }

.host-name-row {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 4px;
}

.host-name {
  font-weight: 700;
  font-size: 14px;
}

.host-meta {
  display: flex;
  gap: 8px;
  align-items: center;
}

.host-ip {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-sub);
}

.host-source {
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 4px;
  font-weight: 600;
  background: var(--grey-lt);
  color: var(--text-sub);
}

.source-prometheus { color: #E6522C; background: rgba(230,82,44,.1); }
.source-ping       { color: var(--blue); background: var(--blue-dim); }

.iface-list {
  border-top: 1px solid var(--border);
  padding-top: 8px;
  margin-bottom: 10px;
}

.iface-row {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 3px 0;
}

.iface-name {
  font-family: var(--mono);
  font-size: 12px;
  flex: 1;
  color: var(--text);
}

.iface-state {
  font-size: 11px;
  font-weight: 600;
}

.state-up   { color: var(--green); }
.state-down { color: var(--red); }

.host-ping-note {
  font-size: 11px;
  color: var(--text-sub);
  font-style: italic;
  margin-bottom: 10px;
  padding-top: 6px;
  border-top: 1px solid var(--border);
}

.host-actions {
  border-top: 1px solid var(--border);
  padding-top: 8px;
}

/* ── Status dots ─────────────────────────────────────────────────────── */
.host-status-dot, .iface-dot, .dot-up, .dot-down, .dot-degraded, .dot-unknown {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.dot-up, .host-status-dot.dot-up     { background: var(--green); box-shadow: 0 0 0 2px rgba(16,185,129,.2); }
.dot-down, .host-status-dot.dot-down { background: var(--red); box-shadow: 0 0 0 2px rgba(239,68,68,.2); animation: pulse-red 2s infinite; }
.dot-degraded                         { background: var(--orange); box-shadow: 0 0 0 2px rgba(245,158,11,.2); }
.dot-unknown                          { background: var(--grey); }

@keyframes pulse-red {
  0%,100% { box-shadow: 0 0 0 2px rgba(239,68,68,.2); }
  50%      { box-shadow: 0 0 0 5px rgba(239,68,68,.4); }
}

/* ── Badges ──────────────────────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
}

.badge-critical  { background: rgba(239,68,68,.12); color: var(--red); }
.badge-warning   { background: rgba(245,158,11,.12); color: var(--orange); }
.badge-info      { background: rgba(0,111,255,.1); color: var(--blue); }
.badge-ok        { background: rgba(16,185,129,.12); color: var(--green); }
.badge-neutral   { background: var(--grey-lt); color: var(--grey); }
.badge-suppressed { background: rgba(107,114,128,.12); color: var(--grey); font-size: 14px; padding: 0; }

/* ── Tables ──────────────────────────────────────────────────────────── */
.table-wrap {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th {
  background: var(--grey-lt);
  padding: 10px 14px;
  text-align: left;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-sub);
  text-transform: uppercase;
  letter-spacing: .06em;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.data-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.data-table tr:last-child td { border-bottom: none; }

.data-table tr:hover td { background: rgba(0,111,255,.03); }

.row-critical td { background: rgba(239,68,68,.04); }
.row-critical td:first-child { border-left: 3px solid var(--red); }

.row-warning td { background: rgba(245,158,11,.04); }
.row-warning td:first-child { border-left: 3px solid var(--orange); }

.row-resolved td { opacity: .6; }

.data-table-sm td, .data-table-sm th { padding: 7px 12px; font-size: 12px; }

.ts-cell { font-family: var(--mono); font-size: 11px; color: var(--text-sub); }
.desc-cell { max-width: 300px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ticket-link { font-family: var(--mono); font-weight: 600; }

.empty-state { padding: 32px; text-align: center; color: var(--text-sub); }
.empty-row td { text-align: center; color: var(--text-sub); }

/* ── Buttons ─────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  transition: opacity .15s, background .15s;
}

.btn:hover { opacity: .88; }
.btn:active { opacity: .75; }

.btn-primary   { background: var(--blue); color: white; }
.btn-secondary { background: var(--grey-lt); color: var(--text); border: 1px solid var(--border); }
.btn-danger    { background: rgba(239,68,68,.1); color: var(--red); border: 1px solid rgba(239,68,68,.2); }
.btn-lg        { padding: 10px 20px; font-size: 14px; }

.btn-sm {
  padding: 3px 8px;
  font-size: 11px;
  border-radius: 5px;
  cursor: pointer;
  border: none;
  font-weight: 600;
  transition: opacity .15s;
}

.btn-suppress {
  background: rgba(107,114,128,.1);
  color: var(--grey);
  border: 1px solid var(--border) !important;
}

.btn-suppress:hover { background: rgba(107,114,128,.2); }

.btn-danger.btn-sm {
  background: rgba(239,68,68,.1);
  color: var(--red);
  border: 1px solid rgba(239,68,68,.2) !important;
}

/* ── Modal ───────────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.45);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(2px);
}

.modal {
  background: var(--card-bg);
  border-radius: 12px;
  box-shadow: 0 20px 60px rgba(0,0,0,.2);
  width: 480px;
  max-width: 95vw;
  padding: 24px;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.modal-header h3 { font-size: 17px; font-weight: 700; }

.modal-close {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 18px;
  color: var(--text-sub);
  line-height: 1;
  padding: 2px 6px;
  border-radius: 4px;
  transition: background .15s;
}

.modal-close:hover { background: var(--grey-lt); }

.modal-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

/* ── Forms ───────────────────────────────────────────────────────────── */
.form-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}

.form-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.form-row-align { align-items: flex-end; }

.form-group { display: flex; flex-direction: column; gap: 5px; min-width: 180px; flex: 1; }
.form-group-wide { flex: 3; }
.form-group-submit { flex: 0 0 auto; min-width: unset; }

.form-group label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-sub);
  text-transform: uppercase;
  letter-spacing: .05em;
}

.form-group input,
.form-group select {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  background: white;
  color: var(--text);
  transition: border-color .15s, box-shadow .15s;
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px var(--blue-dim);
}

.form-hint { font-size: 11px; color: var(--text-sub); margin-top: 2px; }
.required  { color: var(--red); }

/* ── Duration pills ──────────────────────────────────────────────────── */
.duration-pills {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 6px;
}

.pill {
  padding: 5px 12px;
  border-radius: 20px;
  border: 1.5px solid var(--border);
  background: white;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  color: var(--text-sub);
  transition: all .15s;
}

.pill:hover { border-color: var(--blue); color: var(--blue); }

.pill.active,
.pill-manual.active {
  background: var(--blue);
  border-color: var(--blue);
  color: white;
}

/* ── Targets grid (suppressions page) ───────────────────────────────── */
.targets-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
}

.target-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
}

.target-name {
  font-weight: 700;
  font-size: 14px;
  margin-bottom: 4px;
}

.target-type {
  font-size: 11px;
  color: var(--text-sub);
  margin-bottom: 8px;
}

.target-ifaces {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.iface-chip {
  font-family: var(--mono);
  font-size: 10px;
  background: var(--grey-lt);
  border-radius: 4px;
  padding: 1px 6px;
  color: var(--text-sub);
}

/* ── Card (generic) ──────────────────────────────────────────────────── */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}

/* ── Toast notifications ─────────────────────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  box-shadow: 0 4px 16px rgba(0,0,0,.15);
  animation: slide-in .2s ease;
}

.toast-success { background: #065f46; color: white; }
.toast-error   { background: #7f1d1d; color: white; }

@keyframes slide-in {
  from { transform: translateX(120%); opacity: 0; }
  to   { transform: translateX(0); opacity: 1; }
}

/* ── Responsive ──────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .host-grid { grid-template-columns: 1fr; }
  .topology  { display: none; }
  .form-row  { flex-direction: column; }
  .status-bar { flex-direction: column; align-items: flex-start; }
}