/* ========================================
   NewshubHideout — Industrial Terminal Theme
   Inspired by Apex Logistics design system
   ======================================== */

/* === DESIGN TOKENS === */
:root, [data-theme="light"] {
  /* Type scale */
  --text-xs:   clamp(0.7rem,  0.65rem + 0.25vw, 0.8rem);
  --text-sm:   clamp(0.8rem,  0.75rem + 0.25vw, 0.875rem);
  --text-base: clamp(0.875rem, 0.85rem + 0.15vw, 0.9375rem);
  --text-lg:   clamp(1rem,    0.95rem + 0.5vw, 1.25rem);
  --text-xl:   clamp(1.25rem, 1rem + 1vw, 1.75rem);
  --text-2xl:  clamp(1.5rem,  1rem + 2vw, 2.5rem);

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;

  /* Fonts */
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
  --font-body: 'Inter', 'Helvetica Neue', sans-serif;
  --font-display: 'JetBrains Mono', monospace;

  /* Industrial palette: off-white, black, gray chrome, orange accent */
  --color-bg:              #f4f3ef;
  --color-surface:         #ffffff;
  --color-surface-2:       #eceae5;
  --color-surface-offset:  #e6e4df;
  --color-divider:         #d4d1ca;
  --color-border:          #c8c5be;

  --color-text:            #1a1a1a;
  --color-text-muted:      #6b6b6b;
  --color-text-faint:      #a0a0a0;

  --color-accent:          #e8602c;
  --color-accent-hover:    #d04f1f;
  --color-accent-active:   #b8401a;

  --color-chrome:          #b0b0b0;
  --color-chrome-bg:       #c8c5be;

  --color-success:         #437a22;
  --color-warning:         #d19900;

  /* Misc */
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --transition: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);

  --content-wide: 1400px;
}

/* === DARK MODE === */
[data-theme="dark"] {
  --color-bg:              #141412;
  --color-surface:         #1c1b18;
  --color-surface-2:       #232220;
  --color-surface-offset:  #2a2926;
  --color-divider:         #3a3835;
  --color-border:          #4a4845;

  --color-text:            #d4d3d0;
  --color-text-muted:      #8a8987;
  --color-text-faint:      #5a5957;

  --color-accent:          #f07040;
  --color-accent-hover:    #ff8855;
  --color-accent-active:   #e06030;

  --color-chrome:          #5a5957;
  --color-chrome-bg:       #3a3835;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.2);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.3);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg:              #141412;
    --color-surface:         #1c1b18;
    --color-surface-2:       #232220;
    --color-surface-offset:  #2a2926;
    --color-divider:         #3a3835;
    --color-border:          #4a4845;
    --color-text:            #d4d3d0;
    --color-text-muted:      #8a8987;
    --color-text-faint:      #5a5957;
    --color-accent:          #f07040;
    --color-accent-hover:    #ff8855;
    --color-accent-active:   #e06030;
    --color-chrome:          #5a5957;
    --color-chrome-bg:       #3a3835;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.2);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.3);
  }
}

/* ===========================
   TOP AD BANNER
   =========================== */
.ad-slot {
  width: 100%;
}
.ad-slot--banner {
  background: var(--color-surface-2);
  border-bottom: 1px solid var(--color-divider);
  padding: var(--space-2) var(--space-4);
  text-align: center;
}
.ad-slot__inner {
  max-width: var(--content-wide);
  margin: 0 auto;
}
.ad-slot__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: block;
  margin-bottom: var(--space-1);
}
.ad-slot__placeholder {
  background: var(--color-surface-offset);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 90px;
  color: var(--color-text-faint);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}
.ad-slot__placeholder--tall {
  min-height: 600px;
}

/* ===========================
   HEADER
   =========================== */
.site-header {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: var(--space-4) var(--space-4) var(--space-3);
}

.header__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-3);
}

.header__badge {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--color-chrome-bg);
  color: var(--color-text);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
}

.header__arrows {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text-faint);
  letter-spacing: 0.2em;
}

.header__status {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.header__status-text {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--color-chrome-bg);
  color: var(--color-text);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}
.theme-toggle:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.header__brand {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 3px solid var(--color-accent);
}

.header__logo-block {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.header__logo {
  color: var(--color-text);
  flex-shrink: 0;
}

.header__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
  line-height: 1;
}

.header__meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
}

.status-dot {
  color: var(--color-success);
}

/* ===========================
   MAIN LAYOUT
   =========================== */
.main-layout {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: 0 var(--space-4);
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: var(--space-4);
  align-items: start;
}

.main-content {
  min-width: 0;
}

/* ===========================
   CONTROLS BAR
   =========================== */
.controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-3) 0;
}

.controls__search {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-3);
  flex: 1;
  max-width: 480px;
}

.controls__search-icon {
  flex-shrink: 0;
  color: var(--color-text-faint);
}

.controls__input {
  border: none;
  background: none;
  outline: none;
  width: 100%;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text);
}
.controls__input::placeholder {
  color: var(--color-text-faint);
  font-style: normal;
}

.controls__info {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.controls__count {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  white-space: nowrap;
}

.controls__btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-3);
  white-space: nowrap;
}
.controls__btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.controls__btn svg {
  flex-shrink: 0;
}

/* ===========================
   FEED STATUS BAR
   =========================== */
.feed-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--color-accent);
  color: #fff;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}

/* ===========================
   DATA TABLE
   =========================== */
.table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-top: none;
  border-radius: 0;
  max-width: 100%;
}

/* Scroll hint gradient on right edge */
.table-wrapper::after {
  content: '';
  position: sticky;
  right: 0;
  top: 0;
  display: block;
  width: 24px;
  height: 100%;
  pointer-events: none;
}

.data-table {
  width: 100%;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  border-collapse: collapse;
  table-layout: auto;
}

.data-table thead {
  position: sticky;
  top: 0;
  z-index: 2;
}

.data-table th {
  background: var(--color-surface-2);
  color: var(--color-text);
  font-weight: 600;
  font-size: var(--text-xs);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-align: left;
  padding: var(--space-2) var(--space-3);
  border-bottom: 2px solid var(--color-accent);
  white-space: nowrap;
  user-select: none;
  position: relative;
}

.data-table th.sortable {
  cursor: pointer;
}
.data-table th.sortable:hover {
  color: var(--color-accent);
}

.sort-arrow {
  font-size: 0.7em;
  margin-left: var(--space-1);
  opacity: 0.5;
}
.data-table th.sorted-asc .sort-arrow,
.data-table th.sorted-desc .sort-arrow {
  opacity: 1;
  color: var(--color-accent);
}

.data-table td {
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--color-divider);
  vertical-align: top;
  color: var(--color-text);
  line-height: 1.4;
}

.data-table tbody tr:hover {
  background: var(--color-surface-offset);
}

/* Column-specific widths */
.col-headline { min-width: 160px; width: 22%; }
.col-company  { min-width: 80px; width: 12%; }
.col-category { min-width: 80px; width: 11%; }
.col-tickers  { min-width: 70px; width: 10%; }
.col-date     { min-width: 80px; white-space: nowrap; width: 10%; }
.col-metric   { min-width: 50px; text-align: right; white-space: nowrap; width: 7%; }

.data-table td:nth-child(n+6) {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* Headline link */
.headline-link {
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.headline-link:hover {
  color: var(--color-accent);
  text-decoration: underline;
}

/* Ticker badges */
.ticker-badge {
  display: inline-block;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 1px var(--space-1);
  font-size: 0.7rem;
  font-weight: 500;
  margin: 1px 2px 1px 0;
  white-space: nowrap;
}

/* Category tag */
.category-tag {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
}

/* Metric placeholder */
.metric-placeholder {
  color: var(--color-text-faint);
  font-style: normal;
}

/* ===========================
   LOADING / EMPTY STATES
   =========================== */
.loading-state {
  text-align: center;
  padding: var(--space-8) var(--space-4);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
}
.loading-state__bar {
  width: 200px;
  height: 3px;
  background: var(--color-surface-2);
  margin: 0 auto var(--space-4);
  border-radius: 2px;
  overflow: hidden;
  position: relative;
}
.loading-state__bar::after {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 40%;
  height: 100%;
  background: var(--color-accent);
  border-radius: 2px;
  animation: loading-sweep 1.2s ease-in-out infinite;
}
@keyframes loading-sweep {
  0%   { left: -40%; }
  100% { left: 100%; }
}

.empty-state {
  text-align: center;
  padding: var(--space-8) var(--space-4);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
}

/* ===========================
   SHOW MORE BAR
   =========================== */
.show-more {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-top: none;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  margin-top: -1px;
}

.show-more__count {
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.show-more__buttons {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.show-more__label {
  color: var(--color-text-faint);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 600;
}

.show-more__btn {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-1) var(--space-3);
  min-width: 40px;
  text-align: center;
}

.show-more__btn:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.show-more__btn.active {
  color: #fff;
  background: var(--color-accent);
  border-color: var(--color-accent);
}

/* ===========================
   SIDEBAR
   =========================== */
.sidebar {
  position: sticky;
  top: var(--space-4);
}

.sidebar__terminal {
  margin-top: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.terminal__header {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  background: var(--color-surface-2);
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--color-divider);
}

.terminal__body {
  padding: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.7;
  max-height: 200px;
  overflow-y: auto;
}
.terminal__body p {
  margin-bottom: var(--space-1);
}

/* ===========================
   FOOTER
   =========================== */
.site-footer {
  margin-top: var(--space-8);
  border-top: 2px solid var(--color-accent);
  background: var(--color-surface-2);
}

.footer__inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.footer__left {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.footer__brand {
  font-weight: 700;
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.footer__sep {
  color: var(--color-text-faint);
  letter-spacing: -0.04em;
}

.footer__attribution {
  color: var(--color-text-muted);
  text-decoration: none;
}
.footer__attribution:hover {
  color: var(--color-accent);
}

/* ===========================
   RESPONSIVE
   =========================== */
@media (max-width: 1024px) {
  .main-layout {
    grid-template-columns: 1fr;
  }
  .sidebar {
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
  }
  .sidebar__terminal {
    margin-top: 0;
  }
  .ad-slot--sidebar .ad-slot__placeholder--tall {
    min-height: 250px;
  }
}

@media (max-width: 768px) {
  .header__brand {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
  }
  .header__meta {
    align-items: flex-start;
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--space-2);
  }
  .controls {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-2);
  }
  .controls__search {
    max-width: 100%;
  }
  .controls__info {
    justify-content: space-between;
  }
  .sidebar {
    grid-template-columns: 1fr;
  }
  .footer__inner {
    flex-direction: column;
    gap: var(--space-3);
    text-align: center;
  }
  .footer__left {
    flex-direction: column;
    gap: var(--space-1);
  }
  .header__top {
    flex-wrap: wrap;
    gap: var(--space-2);
  }
}

@media (max-width: 480px) {
  .header__badge,
  .header__arrows {
    display: none;
  }
  .col-company,
  .col-category,
  .col-tickers {
    display: none;
  }
  /* Show these columns via a class toggle if needed */
}