/* ==========================================
   NEWS SCREEN FOUNDATION
   Fully scoped to news-* classes to avoid collisions.
   ========================================== */

.news-screen {
  --news-surface: var(--bg-glass, rgba(255, 255, 255, 0.08));
  --news-surface-hover: var(--bg-glass-hover, rgba(255, 255, 255, 0.12));
  --news-border: var(--border-color, rgba(255, 255, 255, 0.14));
  --news-border-strong: var(--border-color-hover, rgba(255, 255, 255, 0.22));
  --news-text-primary: var(--text-primary, #e2e8f0);
  --news-text-secondary: var(--text-secondary, #94a3b8);
  --news-text-muted: var(--text-muted, #64748b);
  --news-blue: var(--accent-blue, #3b82f6);
  --news-blue-hover: var(--accent-blue-hover, #2563eb);
  --news-green: var(--accent-green, #10b981);
  --news-red: var(--accent-red, #ef4444);
  --news-radius-sm: var(--border-radius-sm, 6px);
  --news-radius-md: var(--border-radius-md, 10px);
  --news-radius-lg: var(--border-radius-lg, 16px);
  --news-shadow-sm: var(--shadow-sm, 0 2px 8px rgba(0, 0, 0, 0.15));
  --news-shadow-md: var(--shadow-md, 0 6px 20px rgba(0, 0, 0, 0.22));
  --news-space-xs: var(--space-xs, 4px);
  --news-space-sm: var(--space-sm, 8px);
  --news-space-md: var(--space-md, 16px);
  --news-space-lg: var(--space-lg, 24px);

  display: flex;
  flex-direction: column;
  gap: var(--news-space-md);
  color: var(--news-text-primary);
}

.news-screen * {
  box-sizing: border-box;
}

.news-visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.news-header {
  display: flex;
  flex-direction: column;
  gap: var(--news-space-sm);
}

.news-header__titles {
  min-width: 0;
}

.news-title {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--news-text-primary);
}

.news-subtitle {
  margin: var(--news-space-xs) 0 0;
  color: var(--news-text-secondary);
  font-size: 0.94rem;
  line-height: 1.4;
}

.news-header__actions {
  display: flex;
  gap: var(--news-space-sm);
}

.news-btn {
  border: 1px solid var(--news-border);
  border-radius: var(--news-radius-md);
  padding: 9px 14px;
  font: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  line-height: 1.2;
  background: rgba(255, 255, 255, 0.04);
  color: var(--news-text-primary);
  cursor: pointer;
  transition: background 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.news-btn:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: var(--news-border-strong);
}

.news-btn:active {
  transform: translateY(1px);
}

.news-btn:focus-visible,
.news-input:focus-visible,
.news-select:focus-visible,
.news-card__toggle:focus-visible,
.news-card__source-link:focus-visible,
.news-card__title-link:focus-visible,
.news-filter-chip:focus-visible {
  outline: 2px solid var(--news-blue);
  outline-offset: 2px;
}

.news-btn--primary {
  background: var(--news-blue);
  border-color: var(--news-blue);
  color: #fff;
}

.news-btn--primary:hover {
  background: var(--news-blue-hover);
  border-color: var(--news-blue-hover);
}

.news-btn--ghost {
  background: rgba(255, 255, 255, 0.03);
}

.news-toolbar-slot {
  min-width: 0;
}

.news-filter-toolbar {
  display: flex;
  flex-direction: column;
  gap: var(--news-space-md);
  border: 1px solid var(--news-border);
  border-radius: var(--news-radius-lg);
  padding: var(--news-space-md);
  background: var(--news-surface);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  box-shadow: var(--news-shadow-sm);
}

.news-filter-toolbar__search-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--news-space-sm);
}

.news-input-wrap {
  position: relative;
  min-width: 0;
}

.news-input-wrap--search .news-input {
  padding-left: 34px;
}

.news-input-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--news-text-muted);
  font-size: 0.88rem;
  pointer-events: none;
}

.news-input,
.news-select {
  width: 100%;
  border: 1px solid var(--news-border);
  border-radius: var(--news-radius-sm);
  background: rgba(10, 14, 24, 0.38);
  color: var(--news-text-primary);
  padding: 10px 12px;
  font: inherit;
  font-size: 0.86rem;
}

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

.news-select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--news-text-muted) 50%),
    linear-gradient(135deg, var(--news-text-muted) 50%, transparent 50%);
  background-position: calc(100% - 16px) calc(50% - 3px), calc(100% - 11px) calc(50% - 3px);
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  padding-right: 28px;
}

.news-filter-toolbar__chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--news-space-sm);
}

.news-filter-chip {
  border: 1px solid var(--news-border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.02);
  color: var(--news-text-secondary);
  font: inherit;
  font-size: 0.77rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 6px 11px;
  cursor: pointer;
  transition: border-color 160ms ease, color 160ms ease, background 160ms ease;
}

.news-filter-chip:hover {
  border-color: var(--news-border-strong);
  color: var(--news-text-primary);
}

.news-filter-chip--active {
  border-color: rgba(59, 130, 246, 0.4);
  color: #dbeafe;
  background: rgba(59, 130, 246, 0.22);
}

.news-filter-toolbar__fields {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--news-space-sm);
}

.news-filter-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.news-filter-field__label {
  color: var(--news-text-secondary);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.news-filter-toolbar__footer {
  display: flex;
  flex-direction: column;
  gap: var(--news-space-sm);
}

.news-filter-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--news-text-secondary);
  font-size: 0.85rem;
  font-weight: 600;
}

.news-checkbox {
  accent-color: var(--news-blue);
  width: 15px;
  height: 15px;
}

.news-filter-toolbar__summary {
  margin: 0;
  color: var(--news-text-muted);
  font-size: 0.78rem;
}

.news-status-strip {
  border: 1px solid rgba(59, 130, 246, 0.24);
  background: rgba(59, 130, 246, 0.1);
  color: #bfdbfe;
  border-radius: var(--news-radius-md);
  padding: 10px 12px;
  font-size: 0.8rem;
  line-height: 1.35;
}

.news-state-stack {
  min-height: 210px;
  display: block;
}

.news-state {
  border: 1px solid var(--news-border);
  border-radius: var(--news-radius-lg);
  background: var(--news-surface);
  box-shadow: var(--news-shadow-sm);
  padding: calc(var(--news-space-lg) + 2px) var(--news-space-md);
  min-height: 210px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.news-state[hidden] {
  display: none !important;
}

.news-state__spinner {
  width: 38px;
  height: 38px;
  border: 3px solid rgba(255, 255, 255, 0.14);
  border-top-color: var(--news-blue);
  border-radius: 50%;
  animation: news-spin 0.9s linear infinite;
  margin-bottom: var(--news-space-md);
}

@keyframes news-spin {
  to {
    transform: rotate(360deg);
  }
}

.news-state__icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--news-border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--news-text-secondary);
  margin-bottom: var(--news-space-md);
}

.news-state__icon--error {
  color: #fecaca;
  border-color: rgba(239, 68, 68, 0.35);
  background: rgba(239, 68, 68, 0.14);
}

.news-state__title {
  margin: 0 0 var(--news-space-xs);
  font-size: 1.05rem;
  color: var(--news-text-primary);
}

.news-state__message {
  margin: 0;
  max-width: 42ch;
  color: var(--news-text-secondary);
  font-size: 0.88rem;
  line-height: 1.45;
}

.news-state__retry {
  margin-top: var(--news-space-md);
}

.news-feed {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--news-space-md);
  align-items: start;
}

.news-feed[hidden] {
  display: none !important;
}

.news-card {
  border: 1px solid var(--news-border);
  border-radius: var(--news-radius-lg);
  background: var(--news-surface);
  box-shadow: var(--news-shadow-sm);
  padding: var(--news-space-md);
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
  transition: border-color 180ms ease, transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.news-card:hover {
  border-color: var(--news-border-strong);
  background: var(--news-surface-hover);
  transform: translateY(-1px);
  box-shadow: var(--news-shadow-md);
}

.news-card--expanded {
  border-color: rgba(59, 130, 246, 0.4);
}

.news-card__topline {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--news-space-sm);
}

.news-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  min-width: 0;
}

.news-badge {
  display: inline-flex;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  padding: 4px 9px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  background: rgba(255, 255, 255, 0.04);
  color: var(--news-text-secondary);
  white-space: nowrap;
}

.news-badge--source {
  color: var(--news-text-primary);
}

.news-badge--source-type {
  text-transform: capitalize;
}

.news-badge--impact-high {
  color: #fca5a5;
  border-color: rgba(239, 68, 68, 0.35);
  background: rgba(239, 68, 68, 0.13);
}

.news-badge--impact-medium {
  color: #fde68a;
  border-color: rgba(245, 158, 11, 0.35);
  background: rgba(245, 158, 11, 0.14);
}

.news-badge--impact-low {
  color: #bbf7d0;
  border-color: rgba(16, 185, 129, 0.34);
  background: rgba(16, 185, 129, 0.13);
}

.news-badge--impact-unknown,
.news-badge--sentiment-unknown {
  color: var(--news-text-muted);
}

.news-badge--sentiment-bullish {
  color: #bbf7d0;
  border-color: rgba(16, 185, 129, 0.32);
  background: rgba(16, 185, 129, 0.11);
}

.news-badge--sentiment-bearish {
  color: #fecaca;
  border-color: rgba(239, 68, 68, 0.32);
  background: rgba(239, 68, 68, 0.11);
}

.news-badge--sentiment-neutral {
  color: #cbd5e1;
}

.news-badge--time {
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
}

.news-card__toggle {
  flex-shrink: 0;
  border: 1px solid var(--news-border);
  border-radius: var(--news-radius-sm);
  background: rgba(255, 255, 255, 0.02);
  color: var(--news-text-secondary);
  font: inherit;
  font-size: 0.74rem;
  font-weight: 700;
  padding: 6px 10px;
  cursor: pointer;
  transition: border-color 160ms ease, color 160ms ease, background 160ms ease;
}

.news-card__toggle:hover {
  border-color: var(--news-border-strong);
  color: var(--news-text-primary);
  background: rgba(255, 255, 255, 0.08);
}

.news-card__title {
  margin: 0;
  line-height: 1.35;
  font-size: 1.03rem;
}

.news-card__title-text,
.news-card__title-link {
  color: var(--news-text-primary);
  text-decoration: none;
}

.news-card__title-link:hover {
  color: #bfdbfe;
}

.news-card__summary {
  margin: 0;
  color: var(--news-text-secondary);
  font-size: 0.9rem;
  line-height: 1.45;
}

.news-card__signals {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 7px;
}

.news-tag-list {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 6px;
}

.news-tag {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  border: 1px solid rgba(59, 130, 246, 0.22);
  background: rgba(59, 130, 246, 0.08);
  color: #bfdbfe;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 3px 8px;
}

.news-card__details {
  border-top: 1px solid var(--news-border);
  margin-top: 2px;
  padding-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.news-card__details[hidden] {
  display: none !important;
}

.news-card__why {
  margin: 0;
  font-size: 0.86rem;
  color: var(--news-text-secondary);
  line-height: 1.45;
}

.news-card__detail-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.news-card__detail-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--news-text-muted);
  font-weight: 700;
}

.news-card__source-link {
  color: #bfdbfe;
  text-decoration: none;
  font-size: 0.84rem;
  font-weight: 600;
  width: fit-content;
}

.news-card__source-link:hover {
  color: #dbeafe;
  text-decoration: underline;
}

@media (min-width: 640px) {
  .news-filter-toolbar__search-row {
    grid-template-columns: minmax(0, 1fr) auto auto;
    align-items: center;
  }

  .news-filter-toolbar__footer {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

@media (min-width: 860px) {
  .news-header {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }

  .news-filter-toolbar__fields {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .news-filter-toolbar {
    padding: var(--news-space-lg);
  }

  .news-filter-toolbar__fields {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .news-feed {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .news-feed .news-card--expanded {
    grid-column: 1 / -1;
  }
}