/* ═══════════════════════════════════════════════════════════════════════════
   Project Aegis — Dashboard Styles
   Modern dark-theme SaaS design with clean cards, badges, and tables.
   ═══════════════════════════════════════════════════════════════════════════ */

/* ─── CSS Variables ─── */
:root {
  --bg-primary:    #0f1117;
  --bg-secondary:  #161921;
  --bg-card:       #1c1f2e;
  --bg-card-hover: #232738;
  --bg-input:      #232738;
  --bg-modal:      #1c1f2e;

  --border:        #2a2e3f;
  --border-light:  #363b50;

  --text-primary:  #e4e6f0;
  --text-secondary:#8b8fa8;
  --text-muted:    #5c6078;

  --accent:        #6366f1; /* Indigo */
  --accent-hover:  #818cf8;
  --accent-subtle: rgba(99,102,241,0.12);

  --green:         #22c55e;
  --green-bg:      rgba(34,197,94,0.12);
  --yellow:        #eab308;
  --yellow-bg:     rgba(234,179,8,0.12);
  --orange:        #f97316;
  --orange-bg:     rgba(249,115,22,0.12);
  --red:           #ef4444;
  --red-bg:        rgba(239,68,68,0.12);
  --blue:          #3b82f6;
  --blue-bg:       rgba(59,130,246,0.12);

  --radius:        8px;
  --radius-lg:     12px;
  --radius-xl:     16px;
  --shadow:        0 1px 3px rgba(0,0,0,0.3), 0 1px 2px rgba(0,0,0,0.2);
  --shadow-lg:     0 10px 25px rgba(0,0,0,0.4);

  --sidebar-width: 240px;
  --topbar-height: 64px;

  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

.hidden { display: none !important; }

/* ─── Typography ─── */
h1 { font-size: 1.75rem; font-weight: 700; }
h2 { font-size: 1.25rem; font-weight: 600; }
h3 { font-size: 1.1rem;  font-weight: 600; }
h4 { font-size: 0.95rem; font-weight: 600; }
.text-muted { color: var(--text-muted); font-size: 0.8rem; }
.text-secondary { color: var(--text-secondary); }

/* ─── Auth Gate ─── */
.auth-gate {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--bg-primary);
}
.auth-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 2.5rem 2rem;
  width: 100%;
  max-width: 400px;
  box-shadow: var(--shadow-lg);
}
.auth-logo {
  text-align: center;
  margin-bottom: 2rem;
}
.shield-icon {
  font-size: 3rem;
  margin-bottom: 0.5rem;
}
.auth-subtitle {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: 0.25rem;
}
.auth-form label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}
.auth-form input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 0.95rem;
  margin-bottom: 1rem;
  outline: none;
  transition: border-color 0.2s;
}
.auth-form input:focus {
  border-color: var(--accent);
}
.auth-error {
  color: var(--red);
  font-size: 0.85rem;
  text-align: center;
  margin-top: 0.5rem;
}

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  border: none;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
  text-decoration: none;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-hover); }

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
}
.btn-ghost:hover { color: var(--text-primary); }

.btn-danger {
  background: var(--red-bg);
  color: var(--red);
  border: 1px solid rgba(239,68,68,0.3);
}
.btn-danger:hover { background: rgba(239,68,68,0.2); }

.btn-success {
  background: var(--green-bg);
  color: var(--green);
  border: 1px solid rgba(34,197,94,0.3);
}
.btn-success:hover { background: rgba(34,197,94,0.2); }

.btn-block { width: 100%; }
.btn-sm { padding: 0.35rem 0.75rem; font-size: 0.8rem; }
.btn-xs { padding: 0.25rem 0.5rem; font-size: 0.75rem; }

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

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

/* ─── Sidebar ─── */
.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
}
.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
}
.shield-icon-sm { font-size: 1.5rem; }
.brand-text {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.025em;
}
.sidebar-nav {
  flex: 1;
  padding: 1rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0.75rem;
  border-radius: var(--radius);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.15s;
  position: relative;
}
.nav-item:hover {
  background: var(--bg-card);
  color: var(--text-primary);
}
.nav-item.active {
  background: var(--accent-subtle);
  color: var(--accent-hover);
}
.nav-icon { font-size: 1.1rem; width: 1.5rem; text-align: center; }
.nav-badge {
  margin-left: auto;
  background: var(--red);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.15rem 0.4rem;
  border-radius: 999px;
  min-width: 1.2rem;
  text-align: center;
}
.sidebar-footer {
  padding: 1rem 0.75rem;
  border-top: 1px solid var(--border);
}

/* ─── Main Content ─── */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
}
.top-bar {
  height: var(--topbar-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
  position: sticky;
  top: 0;
  z-index: 50;
}
.top-bar-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.page-container {
  padding: 1.5rem 2rem 2rem;
  flex: 1;
  overflow-y: auto;
}

/* ─── Cards ─── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow);
}
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}
.card-title {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ─── Stat Cards Grid ─── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
}
.stat-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.stat-value {
  font-size: 2rem;
  font-weight: 700;
  margin-top: 0.25rem;
  line-height: 1.2;
}
.stat-footer {
  margin-top: 0.5rem;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Stat accent colors */
.stat-card.danger  { border-left: 3px solid var(--red); }
.stat-card.warning { border-left: 3px solid var(--orange); }
.stat-card.info    { border-left: 3px solid var(--blue); }
.stat-card.success { border-left: 3px solid var(--green); }

/* ─── Risk Badges ─── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.badge-green  { background: var(--green-bg);  color: var(--green); }
.badge-yellow { background: var(--yellow-bg); color: var(--yellow); }
.badge-orange { background: var(--orange-bg); color: var(--orange); }
.badge-red    { background: var(--red-bg);    color: var(--red); }
.badge-blue   { background: var(--blue-bg);   color: var(--blue); }
.badge-muted  { background: var(--bg-input);  color: var(--text-muted); }

/* ─── Status Dots ─── */
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}
.status-dot.green  { background: var(--green); }
.status-dot.yellow { background: var(--yellow); }
.status-dot.orange { background: var(--orange); }
.status-dot.red    { background: var(--red); }
.status-dot.blue   { background: var(--blue); }

/* ─── Tables ─── */
.table-wrapper {
  overflow-x: auto;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}
thead th {
  text-align: left;
  padding: 0.75rem 1rem;
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
tbody td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
tbody tr {
  transition: background 0.1s;
}
tbody tr:hover {
  background: var(--bg-card-hover);
}
tbody tr.clickable {
  cursor: pointer;
}

/* ─── Tabs ─── */
.tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.25rem;
}
.tab {
  padding: 0.65rem 1.25rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.15s;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
  font-family: var(--font);
}
.tab:hover { color: var(--text-secondary); }
.tab.active {
  color: var(--accent-hover);
  border-bottom-color: var(--accent);
}

/* ─── Filters ─── */
.filters-bar {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}
.filter-select, .filter-input {
  padding: 0.45rem 0.75rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 0.85rem;
  font-family: var(--font);
  outline: none;
}
.filter-select:focus, .filter-input:focus {
  border-color: var(--accent);
}

/* ─── Modal ─── */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
}
.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
}
.modal-content {
  position: relative;
  background: var(--bg-modal);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  width: 90%;
  max-width: 800px;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--bg-modal);
  z-index: 1;
}
.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.25rem;
  line-height: 1;
}
.modal-close:hover { color: var(--text-primary); }
.modal-body {
  padding: 1.5rem;
}

/* ─── Detail Sections ─── */
.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.detail-field label {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.25rem;
}
.detail-field .value {
  font-size: 0.95rem;
  color: var(--text-primary);
  word-break: break-all;
}

.detail-section {
  margin-bottom: 1.5rem;
}
.detail-section-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.action-buttons {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

/* ─── Empty State ─── */
.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
}
.empty-state .icon { font-size: 2.5rem; margin-bottom: 0.75rem; }
.empty-state p { font-size: 0.9rem; }

/* ─── Risk Breakdown (mini bar) ─── */
.risk-bar {
  display: flex;
  height: 6px;
  border-radius: 3px;
  overflow: hidden;
  background: var(--bg-input);
  margin-top: 0.5rem;
}
.risk-bar-segment {
  height: 100%;
  transition: width 0.3s ease;
}

/* ─── Pulse animation for active incidents ─── */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}
.pulse { animation: pulse 2s ease-in-out infinite; }

/* ─── Loading Spinner ─── */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.loading-center {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem;
}

/* ─── Timeline (audit log) ─── */
.timeline {
  position: relative;
  padding-left: 1.5rem;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 0.5rem;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border);
}
.timeline-item {
  position: relative;
  padding-bottom: 1.25rem;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: -1.15rem;
  top: 0.35rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg-card);
}
.timeline-item .time {
  font-size: 0.75rem;
  color: var(--text-muted);
}
.timeline-item .description {
  font-size: 0.85rem;
  color: var(--text-primary);
  margin-top: 0.15rem;
}
.timeline-item .meta {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.15rem;
}

/* ─── Server Config Card ─── */
.config-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}
.config-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
}
.config-item:last-child { border-bottom: none; }
.config-item label {
  font-size: 0.85rem;
  color: var(--text-secondary);
}
.config-item .value {
  font-size: 0.85rem;
  font-weight: 500;
}

/* ─── Responsive ─── */
@media (max-width: 768px) {
  .sidebar {
    width: 60px;
    overflow: hidden;
  }
  .sidebar .brand-text,
  .sidebar .nav-item span:not(.nav-icon),
  .sidebar .sidebar-footer {
    display: none;
  }
  .sidebar-brand { justify-content: center; padding: 1rem 0.5rem; }
  .nav-item { justify-content: center; padding: 0.6rem; }
  .main-content { margin-left: 60px; }
  .page-container { padding: 1rem; }
  .top-bar { padding: 0 1rem; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .detail-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
}

/* ─── Scrollbar ─── */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--border-light);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* ─── Toast Notification ─── */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.toast {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem 1.25rem;
  font-size: 0.85rem;
  box-shadow: var(--shadow-lg);
  animation: slideIn 0.3s ease;
  max-width: 350px;
}
.toast.success { border-left: 3px solid var(--green); }
.toast.error   { border-left: 3px solid var(--red); }
.toast.info    { border-left: 3px solid var(--blue); }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}