/* ============================================================
   FLUXION — SHARED COMPONENTS
   Cards, badges, modals, toasts, skeletons, tooltips, tables
   ============================================================ */

/* ---- Cards (Sharp Technical) ---- */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--color-border);
  border-radius: 0 !important;
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

.card:hover { box-shadow: var(--shadow-md); border-color: var(--color-border-strong); }

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-5);
  gap: var(--space-4);
}

.card-title {
  font-size: var(--font-size-md);
  font-weight: 600;
  color: var(--color-text);
}

.card-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-top: 2px;
}

.card-body { flex: 1; }
.card-footer {
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Stat card */
.stat-card {
  background: var(--bg-surface);
  border: 1px solid var(--color-border);
  border-radius: 0 !important;
  padding: var(--space-5) var(--space-6);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  position: relative;
  overflow: hidden;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.stat-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px; height: 100%;
  background: var(--stat-accent, var(--color-accent));
  border-radius: 0 !important;
}

.stat-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.stat-card-icon {
  width: 40px; height: 40px;
  border-radius: 0 !important;
  background: var(--color-accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.stat-card-label {
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
}

.stat-card-value {
  font-family: var(--font-mono);
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1;
  letter-spacing: -0.03em;
}

.stat-card-unit {
  font-size: var(--font-size-base);
  font-weight: 400;
  color: var(--color-text-muted);
  margin-left: 4px;
}

.stat-card-change {
  font-size: var(--font-size-xs);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 3px;
}

.stat-card-change.up    { color: var(--color-success); }
.stat-card-change.down  { color: var(--color-critical); }
.stat-card-change.neutral { color: var(--color-text-muted); }

/* Reading card (live values) */
.reading-card {
  background: var(--bg-surface);
  border: 1px solid var(--color-border);
  border-radius: 0 !important;
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.reading-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.reading-card-label {
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
}

.reading-card-value {
  font-family: var(--font-mono);
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1;
  letter-spacing: -0.04em;
}

.reading-card-unit {
  font-size: var(--font-size-sm);
  color: var(--color-accent);
  font-weight: 600;
}

.reading-card-status {
  font-size: var(--font-size-xs);
  color: var(--color-text-faint);
}

/* ---- Status Badges (Sharp) ---- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 3px var(--space-3);
  border-radius: 0 !important;
  font-size: var(--font-size-xs);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
}

.badge-dot {
  width: 6px; height: 6px;
  border-radius: 0 !important;
  flex-shrink: 0;
}

.badge-success {
  background: var(--color-success-bg);
  color: var(--color-success-text);
}
.badge-success .badge-dot { background: var(--color-success); }

.badge-warning {
  background: var(--color-warning-bg);
  color: var(--color-warning-text);
}
.badge-warning .badge-dot { background: var(--color-warning); }

.badge-critical {
  background: var(--color-critical-bg);
  color: var(--color-critical-text);
}
.badge-critical .badge-dot { background: var(--color-critical); }

.badge-info {
  background: var(--color-info-bg);
  color: var(--color-info-text);
}
.badge-info .badge-dot { background: var(--color-info); }

.badge-neutral {
  background: var(--bg-elevated);
  color: var(--color-text-muted);
}
.badge-neutral .badge-dot { background: var(--color-text-faint); }

.badge-accent {
  background: var(--color-accent-light);
  color: var(--color-accent);
}

/* Pulsing badge for live indicators */
@keyframes pulse-dot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.5); opacity: 0.6; }
}

.badge-live .badge-dot {
  background: var(--color-success);
  animation: pulse-dot 1.8s ease infinite;
}

/* ---- Status indicator ---- */
.status-indicator {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: 0 !important;
  background: var(--bg-elevated);
  border: 1px solid var(--color-border);
}

.status-indicator .indicator-icon {
  width: 8px; height: 8px;
  border-radius: 0 !important;
  flex-shrink: 0;
}

.status-indicator.online .indicator-icon  { background: var(--color-success); box-shadow: 0 0 6px var(--color-success); }
.status-indicator.offline .indicator-icon { background: var(--color-critical); }
.status-indicator.warning .indicator-icon { background: var(--color-warning); }

.status-indicator .indicator-text {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text);
}

.status-indicator .indicator-sub {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* ---- Table ---- */
.table-wrapper {
  overflow-x: auto;
  border-radius: 0 !important;
  border: 1px solid var(--color-border);
  background: var(--bg-surface);
}

.data-table {
  width: 100%;
  font-size: var(--font-size-sm);
}

.data-table thead {
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--color-border);
}

.data-table th {
  padding: var(--space-3) var(--space-5);
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  white-space: nowrap;
  text-align: left;
}

.data-table th.sortable {
  cursor: pointer;
  user-select: none;
}
.data-table th.sortable:hover { color: var(--color-text); }

.data-table td {
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
  vertical-align: middle;
}

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

.data-table tbody tr {
  transition: background var(--transition-fast);
}

.data-table tbody tr:hover { background: var(--bg-elevated); }

/* ---- Toast Notifications ---- */
#toast-container {
  position: fixed;
  top: var(--space-6);
  right: var(--space-6);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  pointer-events: none;
  max-width: 380px;
  width: 100%;
}

.toast {
  background: var(--bg-surface);
  border: 1px solid var(--color-border);
  border-radius: 0 !important;
  padding: var(--space-4) var(--space-5);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  pointer-events: all;
  animation: toastIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) both;
  position: relative;
  overflow: hidden;
}

.toast.dismissing {
  animation: toastOut 0.25s ease both;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateX(100%) scale(0.9); }
  to   { opacity: 1; transform: translateX(0) scale(1); }
}

@keyframes toastOut {
  from { opacity: 1; transform: translateX(0) scale(1); }
  to   { opacity: 0; transform: translateX(100%) scale(0.9); }
}

.toast::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  border-radius: 0 !important;
}

.toast-success::before { background: var(--color-success); }
.toast-warning::before { background: var(--color-warning); }
.toast-error::before   { background: var(--color-critical); }
.toast-info::before    { background: var(--color-info); }

.toast-icon {
  font-size: 18px;
  flex-shrink: 0;
  margin-top: 1px;
}

.toast-body { flex: 1; min-width: 0; }
.toast-title {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 2px;
}
.toast-message {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
}

.toast-close {
  flex-shrink: 0;
  width: 20px; height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 0 !important;
  color: var(--color-text-muted);
  font-size: 16px;
  transition: all var(--transition-fast);
  cursor: pointer;
}
.toast-close:hover { background: var(--bg-elevated); color: var(--color-text); }

.toast-progress {
  position: absolute;
  bottom: 0; left: 0;
  height: 2px;
  background: var(--color-accent);
  animation: toastProgress linear both;
}

@keyframes toastProgress {
  from { width: 100%; }
  to   { width: 0%; }
}

/* ---- Modal ---- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: var(--bg-overlay);
  z-index: var(--z-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  backdrop-filter: blur(4px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.modal-backdrop.active {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--bg-surface);
  border: 1px solid var(--color-border);
  border-radius: 0 !important;
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.92) translateY(16px);
  transition: transform var(--transition-page);
}

.modal-backdrop.active .modal {
  transform: scale(1) translateY(0);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.modal-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text);
}

.modal-close {
  width: 32px; height: 32px;
  border-radius: 0 !important;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
  cursor: pointer;
}
.modal-close:hover { background: var(--bg-elevated); color: var(--color-text); }

.modal-body {
  padding: var(--space-6);
}

.modal-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
}

/* Confirmation modal */
.modal-confirm-icon {
  width: 56px; height: 56px;
  border-radius: 0 !important;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin: 0 auto var(--space-4);
}

.modal-confirm-icon.warning { background: var(--color-warning-bg); }
.modal-confirm-icon.danger  { background: var(--color-critical-bg); }

/* ---- Loading Skeletons ---- */
@keyframes shimmer {
  from { background-position: -200% 0; }
  to   { background-position: 200% 0; }
}

.skeleton {
  background: linear-gradient(
    90deg,
    var(--bg-elevated) 25%,
    var(--color-border) 50%,
    var(--bg-elevated) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s ease infinite;
  border-radius: 0 !important;
}

.skeleton-text {
  height: 14px;
  border-radius: 0 !important;
  margin-bottom: var(--space-2);
}

.skeleton-text.wide  { width: 75%; }
.skeleton-text.medium{ width: 55%; }
.skeleton-text.narrow{ width: 35%; }

.skeleton-card {
  height: 120px;
  border-radius: 0 !important;
}

.skeleton-chart {
  height: 260px;
  border-radius: 0 !important;
}

/* ---- Empty State ---- */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-16) var(--space-8);
  text-align: center;
  gap: var(--space-4);
}

.empty-state-icon {
  font-size: 48px;
  color: var(--color-text-faint);
  margin-bottom: var(--space-2);
}

.empty-state-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text);
}

.empty-state-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  max-width: 360px;
}

/* ---- Tooltip ---- */
[data-tooltip] {
  position: relative;
}

[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-navy);
  color: #FFFFFF;
  font-size: var(--font-size-xs);
  font-weight: 500;
  padding: var(--space-2) var(--space-3);
  border-radius: 0 !important;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-fast);
  z-index: var(--z-dropdown);
}

[data-tooltip]:hover::after { opacity: 1; }

/* ---- Alert Banner ---- */
.alert-banner {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-radius: 0 !important;
  border: 1px solid;
  font-size: var(--font-size-sm);
}

.alert-banner-success { background: var(--color-success-bg); border-color: var(--color-success); color: var(--color-success-text); }
.alert-banner-warning { background: var(--color-warning-bg); border-color: var(--color-warning); color: var(--color-warning-text); }
.alert-banner-error   { background: var(--color-critical-bg); border-color: var(--color-critical); color: var(--color-critical-text); }
.alert-banner-info    { background: var(--color-info-bg); border-color: var(--color-info); color: var(--color-info-text); }

/* ---- Dropdown ---- */
.dropdown {
  position: relative;
  display: inline-flex;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + var(--space-2));
  right: 0;
  min-width: 180px;
  background: var(--bg-surface);
  border: 1px solid var(--color-border);
  border-radius: 0 !important;
  box-shadow: var(--shadow-lg);
  z-index: var(--z-dropdown);
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
  transition: opacity var(--transition-base), transform var(--transition-base);
}

.dropdown-menu.open {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  cursor: pointer;
  transition: background var(--transition-fast);
  text-decoration: none;
}

.dropdown-item:hover { background: var(--bg-elevated); }

.dropdown-item.danger { color: var(--color-critical); }
.dropdown-item.danger:hover { background: var(--color-critical-bg); }

.dropdown-divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--space-1) 0;
}

/* ---- Tab bar ---- */
.tab-bar {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-6);
  overflow-x: auto;
}

.tab-item {
  padding: var(--space-3) var(--space-5);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  white-space: nowrap;
  border-radius: 0 !important;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.tab-item:hover { color: var(--color-text); }
.tab-item.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* ---- Time range selector ---- */
.time-range {
  display: flex;
  gap: 0;
  background: var(--bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: 0 !important;
  padding: 3px;
  flex-wrap: wrap;
}

.time-range-btn {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  border-radius: 0 !important;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  border: none;
}

.time-range-btn:hover { color: var(--color-text); background: var(--bg-surface); }
.time-range-btn.active {
  background: var(--bg-surface);
  color: var(--color-accent);
  box-shadow: var(--shadow-xs);
}

/* ---- Page header ---- */
.page-header {
  margin-bottom: var(--space-8);
}

.page-header-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.page-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-1);
  line-height: var(--leading-tight);
}

.page-subtitle {
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
}

.page-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

/* ---- Search bar ---- */
.search-bar {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background: var(--bg-surface);
  border: 1.5px solid var(--color-border);
  border-radius: 0 !important;
  padding: var(--space-2) var(--space-4);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  min-width: 260px;
}

.search-bar:focus-within {
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px var(--color-cyan-glow);
}

.search-bar svg { color: var(--color-text-faint); flex-shrink: 0; }

.search-bar input {
  border: none;
  background: transparent;
  color: var(--color-text);
  font-size: var(--font-size-sm);
  width: 100%;
  outline: none;
}

.search-bar input::placeholder { color: var(--color-text-faint); }

/* ---- Progress bar ---- */
.progress {
  height: 6px;
  background: var(--bg-elevated);
  border-radius: 0 !important;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  border-radius: 0 !important;
  background: var(--color-accent);
  transition: width var(--transition-slow);
}

.progress-bar.success { background: var(--color-success); }
.progress-bar.warning { background: var(--color-warning); }
.progress-bar.critical{ background: var(--color-critical); }

/* ---- Pagination ---- */
.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--color-border);
}

.pagination-info {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.pagination-controls {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.page-btn {
  width: 32px; height: 32px;
  border-radius: 0 !important;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.page-btn:hover { background: var(--bg-elevated); color: var(--color-text); }
.page-btn.active { background: var(--color-accent); color: #FFFFFF; }
.page-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ---- Command/status chip ---- */
.cmd-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  border-radius: 0 !important;
  font-size: var(--font-size-xs);
  font-weight: 700;
  border: 1px solid;
}

.cmd-chip-pending  { border-color: var(--color-warning); color: var(--color-warning); background: var(--color-warning-bg); }
.cmd-chip-success  { border-color: var(--color-success); color: var(--color-success); background: var(--color-success-bg); }
.cmd-chip-failed   { border-color: var(--color-critical); color: var(--color-critical); background: var(--color-critical-bg); }
.cmd-chip-sent     { border-color: var(--color-info); color: var(--color-info); background: var(--color-info-bg); }

/* ---- Severity indicator ---- */
.severity-critical { color: var(--color-critical); }
.severity-warning  { color: var(--color-warning); }
.severity-info     { color: var(--color-info); }

/* ---- Card grid layouts ---- */
.cards-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-6); }
.cards-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); }
.cards-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-6); }
.cards-grid-6 { display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--space-5); }

@media (max-width: 1200px) {
  .cards-grid-6 { grid-template-columns: repeat(3, 1fr); }
  .cards-grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .cards-grid-6,
  .cards-grid-4,
  .cards-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .cards-grid-2 { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .cards-grid-6,
  .cards-grid-4,
  .cards-grid-3,
  .cards-grid-2 { grid-template-columns: 1fr; }
}

/* ---- Online/Offline dot ---- */
.online-dot {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 0 !important;
  background: var(--color-success);
  box-shadow: 0 0 6px var(--color-success);
  flex-shrink: 0;
}

.offline-dot {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 0 !important;
  background: var(--color-critical);
  flex-shrink: 0;
}

.warning-dot {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 0 !important;
  background: var(--color-warning);
  flex-shrink: 0;
}

/* ---- Info list (key-value) ---- */
.info-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.info-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border);
}

.info-item:last-child { border-bottom: none; }

.info-item-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.info-item-value {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
  text-align: right;
  word-break: break-all;
}

.info-item-value.mono {
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
}