/* ============================================================
   Fail2Ban Dashboard — Main Stylesheet
   Mobile-first responsive layout with card-based sections
   ============================================================ */

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  min-height: 100vh;
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: var(--scrollbar-track);
}

::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 3px;
}

/* --- Layout Container --- */
.dashboard-container {
  max-width: 1440px;
  margin: 0 auto;
  padding: var(--space-md);
}

/* --- Header --- */
.dashboard-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  background-color: var(--bg-header);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.dashboard-header__title {
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.dashboard-header__title-icon {
  font-size: 1.3em;
}

.dashboard-header__controls {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.dashboard-header__title-link {
  color: inherit;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background-color: var(--bg-card);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  cursor: pointer;
  white-space: nowrap;
  line-height: 1;
  min-height: 36px;
}

.btn:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--accent);
}

.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.btn:active {
  transform: scale(0.97) translateY(1px);
  transition: transform 0.1s ease;
}

.btn--icon {
  padding: var(--space-sm);
  min-width: 36px;
  font-size: var(--text-lg);
}

.btn--accent {
  background-color: var(--accent);
  color: var(--text-inverse);
  border-color: var(--accent);
}

.btn--accent:hover {
  background-color: var(--accent-hover);
  border-color: var(--accent-hover);
}

/* --- Refresh Interval Selector --- */
.refresh-selector {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.refresh-selector__label {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.refresh-selector__select {
  padding: var(--space-xs) var(--space-sm);
  padding-right: var(--space-md);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background-color: var(--bg-input);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238b8fa3' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  min-height: 36px;
}

.refresh-selector__select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* --- Time Range Selector --- */
.time-range-selector {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.time-range-selector__label {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.time-range-selector__select {
  padding: var(--space-xs) var(--space-sm);
  padding-right: var(--space-md);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background-color: var(--bg-input);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238b8fa3' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  min-height: 36px;
}

.time-range-selector__select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* --- Error Banner --- */
.error-banner {
  background-color: var(--accent-muted);
  color: var(--danger);
  text-align: center;
  padding: var(--space-sm) var(--space-md);
  font-size: var(--text-sm);
  font-weight: 600;
  border-bottom: 2px solid var(--danger);
}

.error-banner.hidden {
  display: none;
}

/* --- Main Content Grid --- */
.dashboard-main {
  padding: var(--space-lg) 0;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

/* --- Card (Section Container) --- */
.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.card__header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.card__icon {
  font-size: var(--text-lg);
  flex-shrink: 0;
}

.card__title {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.time-filter-badge {
  font-size: var(--text-xs);
  font-weight: 400;
  color: var(--text-muted);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1px 6px;
  white-space: nowrap;
  flex-shrink: 0;
}

.card__body {
  padding: var(--space-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.card__body--flush {
  padding: 0;
}

/* --- Stats Cards Section --- */
.stats-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.stat-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-xs);
  box-shadow: var(--shadow-card);
}

.stat-card:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--accent);
}

.stat-card__icon {
  font-size: var(--text-2xl);
  line-height: 1;
}

.stat-card__value {
  font-size: var(--text-3xl);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}

.stat-card__label {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  font-weight: 500;
}

.stat-card__trend {
  font-size: var(--text-xs);
  display: flex;
  align-items: center;
  gap: 2px;
}

.stat-card__trend--up {
  color: var(--danger);
}

.stat-card__trend--down {
  color: var(--success);
}

.stat-card--running .stat-card__value {
  color: var(--success);
}

.stat-card--stopped .stat-card__value {
  color: var(--danger);
}

/* --- Chart Containers --- */
.chart-container {
  width: 100%;
  min-height: 300px;
  height: 350px;
  flex: 1;
}

.chart-container--map {
  min-height: 400px;
  height: 450px;
}

/* --- Top IPs Table --- */
.ip-table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  flex: 1;
}

.ip-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.ip-table th {
  text-align: left;
  padding: var(--space-sm) var(--space-md);
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.ip-table td {
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--border-light);
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}

.ip-table tr:hover td {
  background-color: var(--bg-card-hover);
}

.ip-table .ip-banned {
  color: var(--danger);
  font-weight: 600;
}

.ip-table .ip-active {
  color: var(--success);
}

.ip-table__row--banned td {
  background-color: var(--accent-muted);
}

.ip-table__rank {
  color: var(--text-muted);
  font-weight: 600;
  width: 40px;
}

.ip-table__ip {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  white-space: nowrap;
}

.ip-table__country {
  white-space: nowrap;
}

.ip-table__count {
  font-weight: 600;
  text-align: right;
}

.ip-table__jail {
  text-transform: capitalize;
}

.ip-table__last-seen {
  white-space: nowrap;
  color: var(--text-secondary);
  font-size: var(--text-xs);
}

.ip-table__status {
  white-space: nowrap;
}

.ip-status-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: 600;
  line-height: 1.4;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.ip-status-badge--banned {
  background-color: var(--accent-muted);
  color: var(--danger);
  border: 1px solid var(--danger);
}

.ip-status-badge--active {
  background-color: rgba(52, 211, 153, 0.1);
  color: var(--success);
  border: 1px solid var(--success);
}

.ip-status-legend {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-md);
  padding: var(--space-sm) var(--space-md);
  font-size: var(--text-xs);
  color: var(--text-secondary);
}

.ip-status-legend__item {
  display: inline-flex;
  align-items: flex-start;
  gap: var(--space-xs);
}

.ip-status-legend__scenarios {
  display: inline-flex;
  flex-direction: column;
  gap: 1px;
  font-size: var(--text-xs);
  color: var(--text-secondary);
  line-height: 1.5;
}

/* --- Heatmap --- */
.heatmap-container {
  width: 100%;
  min-height: 260px;
  height: 300px;
  flex: 1;
}

/* --- Section Row: Jail Stats + Heatmap side-by-side --- */
.section-row-two {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

/* --- Jail Stats Chart Height --- */
.section-jail-stats .chart-container {
  min-height: 280px;
  flex: 1;
}

/* --- Log List --- */
.log-list {
  max-height: 280px;
  overflow-y: auto;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  display: flex;
  flex-direction: column;
}

.log-list__entries {
  overflow-y: auto;
  flex: 1;
}

.log-entry {
  padding: var(--space-xs) var(--space-md);
  border-bottom: 1px solid var(--border-light);
  display: flex;
  gap: var(--space-md);
  align-items: baseline;
}

.log-entry:hover {
  background-color: var(--bg-card-hover);
}

.log-entry__time {
  color: var(--text-muted);
  white-space: nowrap;
  flex-shrink: 0;
}

.log-entry__jail {
  font-weight: 600;
  flex-shrink: 0;
  min-width: 70px;
}

.log-entry__jail--sshd {
  color: var(--chart-sshd);
}

.log-entry__jail--asterisk {
  color: var(--chart-asterisk);
}

.log-entry__action {
  flex-shrink: 0;
  min-width: 60px;
}

.log-entry__action--ban {
  color: var(--danger);
}

.log-entry__action--unban {
  color: var(--success);
}

.log-entry__action--found {
  color: var(--warning);
}

.log-entry__ip {
  color: var(--text-primary);
  word-break: break-all;
}

.log-entry__message {
  color: var(--text-secondary);
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* --- Log List Filter Bar --- */
.log-list__filter-bar {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--border);
  background-color: var(--bg-secondary);
  position: sticky;
  top: 0;
  z-index: 1;
}

.log-list__filter-input {
  flex: 1;
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background-color: var(--bg-input);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  min-height: 28px;
}

.log-list__filter-input:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: var(--accent);
}

.log-list__filter-input::placeholder {
  color: var(--text-muted);
}

.log-list__counter {
  font-size: var(--text-xs);
  color: var(--text-muted);
  white-space: nowrap;
  flex-shrink: 0;
}

/* --- Log Event Type Badges --- */
.log-event-badge {
  display: inline-block;
  padding: 1px 6px;
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: 600;
  line-height: 1.4;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.log-event-badge--found {
  background-color: rgba(139, 143, 163, 0.15);
  color: var(--text-secondary);
  border: 1px solid var(--text-muted);
}

.log-event-badge--ban {
  background-color: rgba(248, 113, 113, 0.15);
  color: var(--danger);
  border: 1px solid var(--danger);
}

.log-event-badge--unban {
  background-color: rgba(52, 211, 153, 0.15);
  color: var(--success);
  border: 1px solid var(--success);
}

.log-event-badge--restoreban {
  background-color: rgba(96, 165, 250, 0.15);
  color: var(--info);
  border: 1px solid var(--info);
}

.log-event-badge--alreadybanned {
  background-color: rgba(251, 191, 36, 0.15);
  color: var(--warning);
  border: 1px solid var(--warning);
}

.log-event-badge--ignore {
  background-color: rgba(92, 96, 120, 0.15);
  color: var(--text-muted);
  border: 1px solid var(--text-muted);
}

/* --- Per-Jail Report --- */
.jail-report-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.jail-toggle {
  display: flex;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
}

.jail-toggle__btn {
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background-color: var(--bg-card);
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.2s, color 0.2s, border-color 0.2s;
}

.jail-toggle__btn:hover {
  background-color: var(--bg-card-hover);
  color: var(--text-primary);
  border-color: var(--accent);
}

.jail-toggle__btn--active {
  background-color: var(--accent);
  color: var(--text-inverse);
  border-color: var(--accent);
}

.jail-toggle__btn--active:hover {
  background-color: var(--accent-hover);
  color: var(--text-inverse);
  border-color: var(--accent-hover);
}

.jail-report-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}

.jail-report-card__title {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.jail-report-card__title--sshd {
  color: var(--chart-sshd);
}

.jail-report-card__title--asterisk {
  color: var(--chart-asterisk);
}

.jail-report-card__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
}

.jail-stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.jail-stat__value {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}

.jail-stat__label {
  font-size: var(--text-xs);
  color: var(--text-secondary);
}

.chart-container--mini {
  min-height: 180px;
  height: 200px;
}

/* --- Footer --- */
.dashboard-footer {
  padding: var(--space-lg) var(--space-md);
  border-top: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: var(--text-sm);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.footer-link {
  color: var(--text-secondary);
  text-decoration: none;
}

.footer-link:hover {
  color: var(--text-primary);
  text-decoration: underline;
}

.footer-sep {
  margin: 0 var(--space-xs);
  opacity: 0.5;
}

.last-update-time {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  white-space: nowrap;
  margin-left: var(--space-sm);
}

/* --- Loading & Error States --- */
.loading-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  color: var(--text-muted);
  font-size: var(--text-sm);
}

.error-message {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  color: var(--danger);
  font-size: var(--text-sm);
  text-align: center;
  padding: var(--space-lg);
}

/* --- Empty State --- */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  color: var(--text-muted);
  font-size: var(--text-sm);
  gap: var(--space-sm);
}

/* ============================================================
   Responsive Breakpoints — Mobile-first
   ============================================================ */

/* --- Tablet (768px+) --- */
@media (min-width: 768px) {
  .dashboard-container {
    padding: var(--space-lg);
  }

  .dashboard-header {
    padding: var(--space-md) var(--space-xl);
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .dashboard-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Full-width sections */
  .section-stats-cards,
  .section-top-ips,
  .section-log-list {
    grid-column: 1 / -1;
  }

  .section-row-two {
    grid-column: 1 / -1;
    grid-template-columns: repeat(2, 1fr);
  }

  .jail-report-card__stats {
    grid-template-columns: repeat(3, 1fr);
  }

}

/* --- Desktop (1024px+) --- */
@media (min-width: 1024px) {
  .stats-grid {
    grid-template-columns: repeat(5, 1fr);
  }

  .dashboard-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* Full-width sections */
  .section-stats-cards,
  .section-top-ips,
  .section-timeline-chart,
  .section-trend-chart,
  .section-world-map,
  .section-log-list,
  .section-per-jail-report {
    grid-column: 1 / -1;
  }

  .section-row-two {
    grid-column: 1 / -1;
  }

  .section-per-jail-report .card__body {
    max-height: 600px;
    overflow-y: auto;
  }

  .dashboard-footer {
    flex-direction: row;
    justify-content: space-between;
  }
}

/* --- Large Desktop (1280px+) --- */
@media (min-width: 1280px) {
  .dashboard-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* Full-width sections */
  .section-stats-cards,
  .section-top-ips,
  .section-timeline-chart,
  .section-trend-chart,
  .section-world-map,
  .section-log-list,
  .section-per-jail-report {
    grid-column: 1 / -1;
  }

  .section-row-two {
    grid-column: 1 / -1;
  }

  .chart-container {
    height: 400px;
  }

  .chart-container--map {
    height: 500px;
  }
}

/* --- Mobile-specific adjustments --- */
@media (max-width: 767px) {
  .dashboard-header {
    flex-wrap: wrap;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
  }

  .dashboard-header__title {
    font-size: var(--text-lg);
    width: 100%;
  }

  .dashboard-header__controls {
    width: 100%;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-sm);
  }

  .refresh-selector__label,
  .time-range-selector__label {
    display: none;
  }

  .last-update-time {
    width: 100%;
    text-align: center;
    margin-left: 0;
    margin-top: var(--space-xs);
  }

  .card__header {
    padding: var(--space-sm) var(--space-md);
  }

  .card__body {
    padding: var(--space-md);
  }

  .stat-card {
    padding: var(--space-md);
  }

  .stat-card__value {
    font-size: var(--text-2xl);
  }

  .chart-container {
    min-height: 250px;
    height: 280px;
  }

  .chart-container--map {
    min-height: 300px;
    height: 320px;
  }

  .log-list {
    max-height: 280px;
  }

  .log-list__entries {
    max-height: 240px;
  }

  .log-entry {
    flex-wrap: wrap;
    gap: var(--space-xs) var(--space-sm);
  }

  .log-entry__ip {
    white-space: nowrap;
    word-break: normal;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
  }

  .log-entry__message {
    display: none;
  }

  .ip-table {
    font-size: var(--text-xs);
  }

  .ip-table th,
  .ip-table td {
    padding: var(--space-xs) var(--space-sm);
  }
}

/* --- Utility: Visually Hidden (for screen readers) --- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* --- Skip Link --- */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-md);
  z-index: 200;
  background: var(--accent);
  color: var(--text-inverse);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
}

.skip-link:focus {
  top: var(--space-md);
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* --- World Map Fallback --- */
.world-map-fallback {
  padding: var(--space-md);
}

.world-map-fallback__notice {
  text-align: center;
  color: var(--text-muted);
  font-size: var(--text-sm);
  margin-bottom: var(--space-md);
  padding: var(--space-sm);
  background-color: var(--bg-secondary);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.world-map-fallback__special {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
  font-size: var(--text-xs);
  color: var(--text-muted);
}