/* ==========================================================================
   Shared Components — Nav, Cards, Badges, Buttons, Forms, Tables, Pacing
   campaigns.data-jam.com  v1.0.0
   ========================================================================== */

/* ==========================================================================
   NAVIGATION BAR
   ========================================================================== */

.campaign-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 32px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-default);
  height: var(--nav-height);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
}

.campaign-nav__left {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.campaign-nav__logo {
  width: 28px;
  height: 28px;
  background: var(--accent-gradient);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.campaign-nav__logo img {
  width: 18px;
  height: 18px;
}

.campaign-nav__brand {
  font-size: var(--text-md);
  font-weight: var(--weight-semibold);
  color: var(--text-primary);
  white-space: nowrap;
}

.campaign-nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.campaign-nav__link {
  font-size: var(--text-base);
  color: var(--text-tertiary);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background-color var(--transition-fast);
  white-space: nowrap;
}

.campaign-nav__link:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
}

.campaign-nav__link--active {
  color: var(--text-primary);
  background: var(--accent-bg-light);
}

.campaign-nav__right {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.campaign-nav__avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--text-tertiary);
  overflow: hidden;
}

.campaign-nav__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Responsive nav */
@media (max-width: 768px) {
  .campaign-nav {
    padding: 12px 16px;
  }

  .campaign-nav__links {
    display: none;
  }

  .campaign-nav__brand {
    font-size: var(--text-base);
  }
}


/* ==========================================================================
   BUTTONS
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 8px 18px;
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  white-space: nowrap;
  cursor: pointer;
  border: none;
  line-height: 1;
}

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

.btn-primary {
  background: var(--accent-gradient);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover:not(:disabled) {
  box-shadow: var(--shadow-glow-accent);
  filter: brightness(1.08);
}

.btn-primary:active:not(:disabled) {
  filter: brightness(0.95);
}

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

.btn-outline:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.14);
}

.btn-ghost {
  background: transparent;
  color: var(--text-tertiary);
}

.btn-ghost:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
}

.btn-sm {
  padding: 5px 12px;
  font-size: var(--text-sm);
}

.btn-lg {
  padding: 12px 24px;
  font-size: var(--text-md);
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: var(--radius-sm);
}

.btn-icon svg {
  width: 16px;
  height: 16px;
}


/* ==========================================================================
   STAT CARDS
   ========================================================================== */

.stat-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: border-color var(--transition-fast);
}

.stat-card:hover {
  border-color: var(--border-default);
}

.stat-card__label {
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: var(--space-sm);
}

.stat-card__value {
  font-size: var(--text-3xl);
  font-weight: var(--weight-bold);
  color: var(--text-primary);
  line-height: var(--leading-tight);
}

.stat-card__value--teal {
  color: var(--data-teal);
}

.stat-card__sub {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-top: var(--space-xs);
}

.stat-card__trend {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  margin-top: var(--space-sm);
}

.stat-card__trend--up {
  background: rgba(21, 224, 188, 0.1);
  color: var(--data-teal);
}

.stat-card__trend--down {
  background: rgba(239, 68, 68, 0.1);
  color: var(--status-error);
}

.stat-card__trend--neutral {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-tertiary);
}

.stat-card__trend-arrow {
  font-size: 10px;
  line-height: 1;
}


/* ==========================================================================
   CHART CARDS
   ========================================================================== */

.chart-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
}

.chart-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
}

.chart-card__title {
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--text-tertiary);
}

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

.chart-body {
  min-height: 240px;
  position: relative;
}

.chart-body--sm {
  min-height: 160px;
}

.chart-body--lg {
  min-height: 360px;
}

.chart-legend {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  margin-top: var(--space-md);
}

.chart-legend__item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--text-sm);
  color: var(--text-tertiary);
}

.chart-legend__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}


/* ==========================================================================
   BADGES
   ========================================================================== */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  white-space: nowrap;
  line-height: 1.4;
}

.badge-sr {
  background: var(--data-teal-subtle);
  color: var(--data-teal);
}

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

.badge-agency {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-tertiary);
}

.badge-live {
  background: rgba(21, 224, 188, 0.1);
  color: var(--data-teal);
}

.badge-live::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--data-teal);
  animation: pulse 2s ease-in-out infinite;
}

.badge-ended {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-muted);
}

.badge-paused {
  background: rgba(251, 191, 36, 0.1);
  color: var(--status-warning);
}


/* ==========================================================================
   PACING BAR
   ========================================================================== */

.pacing-section {
  margin-top: var(--space-lg);
}

.pacing-section__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-sm);
}

.pacing-section__label {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
}

.pacing-section__value {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--text-primary);
}

.pacing-track {
  width: 100%;
  height: 8px;
  background: var(--bg-elevated);
  border-radius: var(--radius-xs, 4px);
  overflow: hidden;
}

.pacing-fill {
  height: 100%;
  background: var(--accent-gradient);
  border-radius: var(--radius-xs, 4px);
  transition: width 0.8s ease-out;
  animation: widthGrow 1s ease-out;
}

.pacing-fill--ok {
  background: var(--status-ok);
}

.pacing-fill--warning {
  background: var(--status-warning);
}

.pacing-fill--over {
  background: var(--status-error);
}

.pacing-section__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-xs);
}

.pacing-section__footer-text {
  font-size: var(--text-xs);
  color: var(--text-muted);
}


/* ==========================================================================
   ENRICHMENT CARDS
   ========================================================================== */

.enrichment-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  display: flex;
  gap: var(--space-lg);
  transition: border-color var(--transition-fast);
}

.enrichment-card:hover {
  border-color: var(--border-default);
}

.enrichment-card__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: var(--text-xl);
}

.enrichment-card__icon--weather {
  background: rgba(96, 165, 250, 0.12);
  color: #60a5fa;
}

.enrichment-card__icon--events {
  background: rgba(251, 191, 36, 0.12);
  color: #fbbf24;
}

.enrichment-card__icon--sports {
  background: rgba(52, 211, 153, 0.12);
  color: #34d399;
}

.enrichment-card__body {
  flex: 1;
  min-width: 0;
}

.enrichment-card__title {
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.enrichment-card__text {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  line-height: var(--leading-relaxed);
}

/* Annotation labels / pills */
.annotation-label {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  margin-top: var(--space-sm);
  margin-right: var(--space-xs);
}

.annotation-label--weather {
  background: rgba(96, 165, 250, 0.12);
  color: #60a5fa;
}

.annotation-label--holiday {
  background: rgba(251, 191, 36, 0.12);
  color: #fbbf24;
}

.annotation-label--sports {
  background: rgba(52, 211, 153, 0.12);
  color: #34d399;
}


/* ==========================================================================
   TABLES
   ========================================================================== */

.table-container {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

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

.data-table thead th {
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  padding: var(--space-md) var(--space-lg);
  text-align: left;
  border-bottom: 1px solid var(--border-default);
  white-space: nowrap;
  user-select: none;
}

.data-table thead th.sortable {
  cursor: pointer;
  transition: color var(--transition-fast);
}

.data-table thead th.sortable:hover {
  color: var(--text-tertiary);
}

.data-table thead th.sortable--active {
  color: var(--text-primary);
}

.data-table thead th .sort-icon {
  display: inline-block;
  margin-left: 4px;
  opacity: 0.3;
  transition: opacity var(--transition-fast);
}

.data-table thead th.sortable:hover .sort-icon,
.data-table thead th.sortable--active .sort-icon {
  opacity: 1;
}

.data-table tbody tr {
  border-bottom: 1px solid var(--border-subtle);
  transition: background-color var(--transition-fast);
}

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

.data-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

.data-table tbody td {
  padding: var(--space-md) var(--space-lg);
  font-size: var(--text-base);
  color: var(--text-secondary);
  vertical-align: middle;
}

.data-table tbody td.cell-primary {
  color: var(--text-primary);
  font-weight: var(--weight-medium);
}

.data-table tbody td.cell-mono {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
}

.data-table tbody td.cell-teal {
  color: var(--data-teal);
  font-weight: var(--weight-semibold);
}

/* Sparkline cells */
.sparkline-cell {
  width: 120px;
  display: flex;
  align-items: center;
  gap: 2px;
  height: 24px;
}

.sparkline-bar {
  flex: 1;
  background: var(--data-teal);
  border-radius: 1px;
  min-height: 2px;
  opacity: 0.7;
  transition: opacity var(--transition-fast);
}

.data-table tbody tr:hover .sparkline-bar {
  opacity: 1;
}

/* Mini sparkline (inline in text) */
.mini-sparkline {
  display: inline-flex;
  align-items: flex-end;
  gap: 1px;
  height: 24px;
  vertical-align: middle;
}

.mini-sparkline__bar {
  width: 3px;
  background: var(--data-teal);
  border-radius: 1px;
  min-height: 2px;
}


/* ==========================================================================
   FORMS
   ========================================================================== */

.form-group {
  margin-bottom: var(--space-xl);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}

.form-input {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: var(--text-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

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

.form-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(230, 47, 110, 0.12);
}

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

.form-input--error {
  border-color: var(--status-error);
}

.form-input--error:focus {
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.12);
}

.form-error {
  display: none;
  font-size: var(--text-sm);
  color: var(--status-error);
  margin-top: var(--space-xs);
}

.form-error--visible {
  display: block;
}

.form-hint {
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-top: var(--space-xs);
}

.form-select {
  width: 100%;
  padding: 10px 36px 10px 14px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: var(--text-md);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23888' viewBox='0 0 16 16'%3E%3Cpath d='M4 6l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  transition: border-color var(--transition-fast);
  outline: none;
}

.form-select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(230, 47, 110, 0.12);
}


/* ==========================================================================
   METHODOLOGY FOOTER
   ========================================================================== */

.methodology-footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  padding: var(--space-xl) var(--space-4xl);
  margin-top: var(--space-4xl);
}

.methodology-footer__text {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: var(--leading-relaxed);
  max-width: 800px;
}

.methodology-footer__text a {
  color: var(--text-tertiary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.methodology-footer__text a:hover {
  color: var(--text-secondary);
}

@media (max-width: 768px) {
  .methodology-footer {
    padding: var(--space-lg);
  }
}


/* ==========================================================================
   TOOLTIPS
   ========================================================================== */

.tooltip {
  position: relative;
}

.tooltip__content {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  padding: 6px 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  color: var(--text-secondary);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-fast);
  z-index: var(--z-tooltip, 600);
}

.tooltip:hover .tooltip__content {
  opacity: 1;
}


/* ==========================================================================
   EMPTY / ERROR STATES
   ========================================================================== */

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-4xl) var(--space-xl);
  text-align: center;
}

.empty-state__icon {
  font-size: 48px;
  margin-bottom: var(--space-lg);
  opacity: 0.3;
}

.empty-state__title {
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}

.empty-state__text {
  font-size: var(--text-base);
  color: var(--text-muted);
  max-width: 400px;
}


/* ==========================================================================
   DIVIDER
   ========================================================================== */

.divider {
  height: 1px;
  background: var(--border-subtle);
  border: none;
  margin: var(--space-2xl) 0;
}

.divider--strong {
  background: var(--border-default);
}


/* ==========================================================================
   TOAST / NOTIFICATION
   ========================================================================== */

.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 12px 20px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  color: var(--text-primary);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-toast);
  animation: slideUp 0.3s ease-out;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.toast--success {
  border-color: rgba(21, 224, 188, 0.3);
}

.toast--error {
  border-color: rgba(239, 68, 68, 0.3);
}

.toast--warning {
  border-color: rgba(251, 191, 36, 0.3);
}