/* Attention UI - Dark, Modern, Analytical CSS */

:root {
  --bg-color: #0b0d10;
  --panel-bg: #12161f;
  --panel-hover: #181d29;
  --border-color: #222a36;
  
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  
  --productive: #10b981;
  --productive-dim: rgba(16, 185, 129, 0.15);
  --neutral: #3b82f6;
  --neutral-dim: rgba(59, 130, 246, 0.15);
  --distraction: #ef4444;
  --distraction-dim: rgba(239, 68, 68, 0.15);
  --afk: #6b7280;
  --afk-dim: rgba(107, 114, 128, 0.15);
  
  --accent: #8b5cf6;
  --accent-hover: #7c3aed;
  --accent-dim: rgba(139, 92, 246, 0.1);
  
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
  --border-radius: 8px;
  --transition: all 0.2s ease-in-out;
}

/* Reset & Global */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--accent-hover);
}

/* Navigation */
.navbar {
  background-color: var(--panel-bg);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.nav-brand {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-brand::before {
  content: "";
  display: inline-block;
  width: 10px;
  height: 10px;
  background-color: var(--productive);
  border-radius: 50%;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
}

.nav-link.active {
  border-bottom-color: var(--accent);
}

.logout-form {
  display: inline;
}

.btn-logout {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.35rem 0.75rem;
  border-radius: 6px;
  font-family: inherit;
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition);
}

.btn-logout:hover {
  background-color: var(--distraction-dim);
  color: var(--distraction);
  border-color: var(--distraction);
}

/* Container */
.container {
  max-width: 1200px;
  margin: 2rem auto;
  padding: 0 1rem;
}

/* Card components */
.card {
  background-color: var(--panel-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  margin-bottom: 1.5rem;
}

.card-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Dashboard Summary Cards Grid */
.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.summary-card {
  background-color: var(--panel-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.summary-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
}

.summary-card.productive::before { background-color: var(--productive); }
.summary-card.neutral::before { background-color: var(--neutral); }
.summary-card.distraction::before { background-color: var(--distraction); }
.summary-card.active::before { background-color: var(--accent); }

.summary-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.summary-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
}

.summary-subtext {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* Alert Warning */
.alert-banner {
  background-color: var(--distraction-dim);
  border: 1px solid var(--distraction);
  color: var(--text-primary);
  padding: 1rem;
  border-radius: var(--border-radius);
  margin-bottom: 2rem;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.alert-icon {
  color: var(--distraction);
  font-size: 1.25rem;
  font-weight: bold;
}

/* Stacked Total Bar */
.stacked-progress-container {
  margin-bottom: 2rem;
}

.stacked-progress {
  display: flex;
  height: 24px;
  background-color: #1a1e28;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.progress-segment {
  height: 100%;
  transition: width 0.3s ease;
}

.progress-segment.productive { background-color: var(--productive); }
.progress-segment.neutral { background-color: var(--neutral); }
.progress-segment.distraction { background-color: var(--distraction); }

.progress-legend {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 0.75rem;
  font-size: 0.85rem;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.legend-color {
  width: 12px;
  height: 12px;
  border-radius: 3px;
}

.legend-color.productive { background-color: var(--productive); }
.legend-color.neutral { background-color: var(--neutral); }
.legend-color.distraction { background-color: var(--distraction); }

/* Timeline Hourly Chart (Visual Pure CSS) */
.timeline-chart-container {
  overflow-x: auto;
  margin-bottom: 2rem;
}

.timeline-chart-scroll {
  min-width: 768px;
  padding: 1rem 0;
}

.timeline-bars {
  display: grid;
  grid-template-columns: repeat(24, 1fr);
  height: 160px;
  align-items: end;
  gap: 4px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5rem;
}

.timeline-column {
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: center;
  position: relative;
}

.timeline-column:hover {
  background-color: var(--panel-hover);
  border-radius: 4px;
}

.timeline-value {
  font-size: 0.65rem;
  color: var(--text-secondary);
  margin-bottom: 4px;
  text-align: center;
  font-weight: 500;
  min-height: 14px;
  line-height: 1;
}
.bar-stack {
  width: 100%;
  max-width: 16px;
  display: flex;
  flex-direction: column-reverse;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.03);
  border-radius: 3px;
  overflow: hidden;
}

.bar-part {
  width: 100%;
  transition: height 0.3s ease;
}

.bar-part.productive { background-color: var(--productive); }
.bar-part.neutral { background-color: var(--neutral); }
.bar-part.distraction { background-color: var(--distraction); }

.timeline-hours {
  display: grid;
  grid-template-columns: repeat(24, 1fr);
  margin-top: 0.5rem;
  text-align: center;
}

.hour-label {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.timeline-tooltip {
  display: none;
  position: absolute;
  bottom: 110%;
  background-color: #1e2530;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 0.5rem;
  font-size: 0.75rem;
  width: max-content;
  z-index: 10;
  box-shadow: var(--shadow);
  color: var(--text-primary);
}

.timeline-column:hover .timeline-tooltip {
  display: block;
}

.timeline-description {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin: -0.75rem 0 1rem;
}

.timeline-hour-button {
  appearance: none;
  border: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
  font: inherit;
  min-width: 0;
  padding: 0;
}

.timeline-hour-button.is-selected {
  background-color: var(--panel-hover);
  border-radius: 4px;
}

.timeline-hour-button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

.timeline-hour-button:focus-visible .timeline-tooltip {
  display: block;
}

.timeline-hour-button.is-selected .bar-stack {
  box-shadow: 0 0 0 1px var(--accent);
}

.hour-drilldown {
  border-top: 1px solid var(--border-color);
  margin-top: -0.5rem;
  padding-top: 1rem;
}

.hour-drilldown-prompt,
.hour-drilldown-empty {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin: 0;
}

.hour-detail-panel {
  outline: none;
}

.hour-detail-heading {
  align-items: baseline;
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.hour-detail-heading h3 {
  font-size: 1rem;
  margin: 0.1rem 0 0;
}

.hour-detail-heading > strong,
.hour-activity-duration {
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.hour-detail-kicker,
.hour-activity-meta {
  color: var(--text-muted);
  font-size: 0.75rem;
  margin: 0;
}

.hour-activity-list {
  border-top: 1px solid var(--border-color);
  list-style: none;
  margin: 0;
  padding: 0;
}

.hour-activity-row {
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  padding: 0.65rem 0;
}

.hour-activity-row > div {
  min-width: 0;
}

.hour-activity-row strong,
.hour-activity-meta {
  display: block;
  overflow-wrap: anywhere;
}

/* Two Column Layout */
.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

@media (max-width: 768px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
}

/* Data Tables */
.data-table-container {
  overflow-x: auto;
}

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

.data-table th, .data-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.9rem;
}

.data-table th {
  color: var(--text-secondary);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

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

.data-table tr:hover td {
  background-color: rgba(255, 255, 255, 0.01);
}

.text-right {
  text-align: right;
}

/* Empty States */
.empty-state {
  text-align: center;
  padding: 3rem 1.5rem;
  color: var(--text-secondary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 1px dashed var(--border-color);
  border-radius: var(--border-radius);
}

.empty-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: var(--text-muted);
}

.empty-title {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

/* Forms & Buttons */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.form-control {
  width: 100%;
  background-color: #1a1e28;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.6rem 0.8rem;
  border-radius: 6px;
  font-family: inherit;
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-dim);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--accent);
  color: #fff;
  border: 1px solid transparent;
  padding: 0.6rem 1.2rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}

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

.btn-secondary {
  background-color: transparent;
  border-color: var(--border-color);
  color: var(--text-secondary);
}

.btn-secondary:hover {
  background-color: var(--panel-hover);
  color: var(--text-primary);
}

/* Period navigation keeps date movement and range selection together. */
.dashboard-controls,
.period-selector-form,
.period-navigation,
.period-presets {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.dashboard-controls {
  justify-content: flex-end;
}

.period-selector-form .form-control {
  font-size: 0.85rem;
  padding: 0.35rem 0.6rem;
  width: auto;
}

.period-selector-form .form-label {
  color: var(--text-muted);
  font-size: 0.75rem;
}

.period-selector-form .btn {
  font-size: 0.85rem;
  padding: 0.35rem 0.8rem;
}

.period-step,
.period-presets a {
  border: 1px solid var(--border-color);
  border-radius: 5px;
  color: var(--text-secondary);
  font-size: 0.8rem;
  line-height: 1;
  padding: 0.45rem 0.6rem;
  text-decoration: none;
}

.period-step:hover,
.period-presets a:hover {
  background-color: var(--panel-hover);
  color: var(--text-primary);
}

.period-step.is-disabled {
  cursor: not-allowed;
  opacity: 0.35;
}

@media (max-width: 768px) {
  .dashboard-controls {
    justify-content: flex-start;
    width: 100%;
  }

  .period-selector-form {
    flex-basis: 100%;
  }

  .period-selector-form .form-control {
    flex: 1 1 8rem;
  }
}

/* Login Page Custom Styling */
.login-wrapper {
  min-height: calc(100vh - 4rem);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.login-card {
  max-width: 400px;
  width: 100%;
}

.login-header {
  text-align: center;
  margin-bottom: 2rem;
}

.login-logo {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.login-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.login-error {
  background-color: var(--distraction-dim);
  border: 1px solid var(--distraction);
  color: var(--distraction);
  padding: 0.75rem;
  border-radius: 6px;
  font-size: 0.85rem;
  margin-bottom: 1.25rem;
}

/* Review queue: a dense decision list rather than a card mosaic. */
.review-list {
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  background-color: var(--panel-bg);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.review-list-header,
.review-row {
  display: grid;
  grid-template-columns: minmax(14rem, 1fr) 10rem 6rem minmax(20rem, 0.8fr);
  gap: 1rem;
  align-items: center;
}

.review-list-header {
  padding: 0.7rem 1rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.review-list-rows {
  list-style: none;
  margin: 0;
  padding: 0;
}

.review-row {
  min-height: 4.25rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-color);
  transition: background-color var(--transition);
}

.review-row:last-child {
  border-bottom: 0;
}

.review-row:hover {
  background-color: rgba(255, 255, 255, 0.025);
}

.review-subject {
  font-size: 0.95rem;
  font-weight: 600;
  overflow-wrap: anywhere;
}

.review-context {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.2rem;
  color: var(--text-muted);
  font-size: 0.75rem;
}

.review-context code {
  color: var(--text-secondary);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: inherit;
  overflow-wrap: anywhere;
}

.review-reference {
  display: inline-block;
  margin: 0.35rem 0 0 0.1rem;
  color: var(--accent);
  font-size: 0.75rem;
}

.scope-badge {
  display: inline-flex;
  border: 1px solid var(--border-color);
  border-radius: 999px;
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  padding: 0.2rem 0.55rem;
  font-size: 0.75rem;
  white-space: nowrap;
}

.review-duration {
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  text-align: right;
}

.review-actions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.4rem;
}

.btn-classify {
  background: none;
  font-size: 0.75rem;
  padding: 0.45rem 0.35rem;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  cursor: pointer;
  font-family: inherit;
  font-weight: 600;
  text-align: center;
  transition: var(--transition);
}

.btn-classify.productive {
  color: var(--productive);
  border-color: var(--productive-dim);
  background-color: var(--productive-dim);
}

.btn-classify.productive:hover {
  background-color: var(--productive);
  color: #fff;
}

.btn-classify.neutral {
  color: var(--neutral);
  border-color: var(--neutral-dim);
  background-color: var(--neutral-dim);
}

.btn-classify.neutral:hover {
  background-color: var(--neutral);
  color: #fff;
}

.btn-classify.distraction {
  color: var(--distraction);
  border-color: var(--distraction-dim);
  background-color: var(--distraction-dim);
}

.btn-classify.distraction:hover {
  background-color: var(--distraction);
  color: #fff;
}

@media (max-width: 800px) {
  .review-list {
    border: 0;
    background: none;
    box-shadow: none;
    overflow: visible;
  }

  .review-list-header {
    display: none;
  }

  .review-list-rows {
    display: grid;
    gap: 0.75rem;
  }

  .review-row {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 0.65rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background-color: var(--panel-bg);
    padding: 1rem;
  }

  .review-activity {
    grid-column: 1 / -1;
  }

  .review-source::before,
  .review-duration::before {
    content: attr(data-label);
    display: block;
    margin-bottom: 0.25rem;
    color: var(--text-muted);
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }

  .review-duration {
    align-self: end;
  }

  .review-actions {
    grid-column: 1 / -1;
  }
}

/* Settings Forms */
.settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.settings-group {
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 1.25rem;
  background-color: rgba(255, 255, 255, 0.01);
}

.settings-group-title {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.25rem;
}

/* Alert Settings Form styles */
.number-inputs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

/* Accessibility features */
.form-control:focus-visible, .btn:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}