/* =========================================================================
   INTEL WIRE — dark-luxury / dev-heavy news engine
   Dark mode is the default theme; [data-theme="light"] overrides below.
   ========================================================================= */

:root {
  --font-ui: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
  --font-mono: ui-monospace, "SF Mono", "JetBrains Mono", "Fira Code", Menlo, Consolas, monospace;

  --radius: 3px;
  --transition: 160ms ease;

  /* dark theme (default) */
  --bg: #0a0a0b;
  --bg-raised: #131315;
  --bg-card: #17171a;
  --bg-input: #1c1c1f;
  --border: #2a2a2e;
  --border-strong: #3a3a40;
  --text: #e8e6e1;
  --text-dim: #9a978f;
  --text-faint: #64625c;
  --accent: #c9a24a;
  --accent-soft: rgba(201, 162, 74, 0.14);
  --accent-strong: #e0bb63;
  --positive: #5fbf88;
  --negative: #d9695a;
  --shadow: 0 8px 28px rgba(0, 0, 0, 0.55);
  --grain-opacity: 0.05;
}

[data-theme="light"] {
  --bg: #f3f1ec;
  --bg-raised: #ffffff;
  --bg-card: #ffffff;
  --bg-input: #ffffff;
  --border: #ded9cd;
  --border-strong: #c9c2b0;
  --text: #201f1c;
  --text-dim: #57534a;
  --text-faint: #8a8578;
  --accent: #9a7a2e;
  --accent-soft: rgba(154, 122, 46, 0.12);
  --accent-strong: #7d6425;
  --positive: #2f8f5b;
  --negative: #b8402f;
  --shadow: 0 8px 24px rgba(30, 25, 10, 0.12);
  --grain-opacity: 0.035;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  transition: background var(--transition), color var(--transition);
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ---------- grain texture overlay ---------- */
.grain-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 999;
  opacity: var(--grain-opacity);
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 140px 140px;
}

/* ---------- header ---------- */
.app-header {
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 16px 28px;
  background: linear-gradient(180deg, var(--bg-raised), var(--bg));
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
}

.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark { color: var(--accent); font-size: 20px; }
.brand-text h1 {
  margin: 0;
  font-size: 17px;
  letter-spacing: 0.12em;
  font-weight: 700;
  font-family: var(--font-mono);
}
.brand-text h1 .accent { color: var(--accent); }
.tagline {
  margin: 2px 0 0;
  font-size: 11px;
  color: var(--text-dim);
  font-family: var(--font-mono);
  letter-spacing: 0.03em;
}
.tagline .dim { color: var(--text-faint); }

.app-like-trigger {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2px 10px;
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 0.75rem;
  color: var(--text-dim);
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition), background var(--transition), transform var(--transition);
}

.app-like-trigger:hover:not(:disabled) {
  color: var(--negative);
  border-color: var(--negative);
  background: var(--accent-soft);
  transform: scale(1.05);
}

.app-like-trigger.liked {
  color: var(--accent-strong);
  border-color: var(--accent-strong);
  background: var(--accent-soft);
  cursor: not-allowed;
}

.app-like-trigger:disabled:not(.liked) {
  opacity: 0.6;
  cursor: not-allowed;
}

.tabs { display: flex; gap: 4px; margin-left: auto; }
.tab-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  padding: 9px 16px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
}
.tab-btn:hover { color: var(--text); border-color: var(--border); }
.tab-btn.active {
  color: var(--bg);
  background: var(--accent);
  border-color: var(--accent);
  font-weight: 600;
}

.theme-toggle {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text);
  width: 34px;
  height: 34px;
  border-radius: var(--radius);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
}
.theme-toggle .icon-light { display: none; }
[data-theme="light"] .theme-toggle .icon-dark { display: none; }
[data-theme="light"] .theme-toggle .icon-light { display: inline; }

/* ---------- main ---------- */
.app-main {
  flex: 1;
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 24px 28px 60px;
}

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ---------- control panel ---------- */
.control-panel {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: 14px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 20px;
}

.field { display: flex; flex-direction: column; gap: 6px; min-width: 100px; }
.field-grow { flex: 1 1 260px; }
.field-checkbox { flex-direction: row; align-items: center; gap: 8px; padding-top: 18px; }
.field-actions { align-self: stretch; justify-content: end; }

.field label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}
.field label .required { color: var(--negative); }

.field input[type="text"],
.field input[type="date"],
.field input[type="number"],
.field select {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 9px 10px;
  border-radius: var(--radius);
  font-size: 13px;
  font-family: var(--font-mono);
  min-width: 0;
}
.field input:focus, .field select:focus {
  outline: none;
  border-color: var(--accent);
}
.field input[type="checkbox"] {
  width: 16px; height: 16px; accent-color: var(--accent);
}

.btn-primary, .btn-secondary, .btn-link {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: #171310;
  border: 1px solid var(--accent);
  padding: 10px 18px;
  font-weight: 700;
}
.btn-primary:hover:not(:disabled) { background: var(--accent-strong); }
.btn-primary:disabled { opacity: 0.4; cursor: not-allowed; }

.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-strong);
  padding: 8px 14px;
}
.btn-secondary:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }
.btn-secondary:disabled { opacity: 0.4; cursor: not-allowed; }

.btn-link {
  color: var(--accent);
  text-decoration: none;
  border: none;
  background: none;
  padding: 8px 0;
}
.btn-link:hover { color: var(--accent-strong); text-decoration: underline; }

.field-error {
  color: var(--negative);
  font-size: 11.5px;
  font-family: var(--font-mono);
}

.load-more { display: block; margin: 18px auto 0; padding: 10px 22px; }

/* ---------- result meta ---------- */
.result-meta {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text-dim);
  margin: 4px 2px 14px;
  min-height: 14px;
}
.result-meta .err { color: var(--negative); }

/* ---------- card stack (row-wide cards) ---------- */
.card-stack { display: flex; flex-direction: column; gap: 14px; }

.news-card {
  display: flex;
  gap: 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
  transition: border-color var(--transition);
}
.news-card:hover { border-color: var(--border-strong); }

.news-card-media {
  position: relative;
  flex: 0 0 220px;
  height: 140px;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-input);
  border: 1px solid var(--border);
}
.news-card-image { width: 100%; height: 100%; object-fit: cover; display: block; }
.news-card-image-fallback {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.1em;
  color: var(--text-faint);
}
.news-card-image:not([src]), .news-card-image[src=""] { display: none; }

.news-card-body { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 8px; }

.news-card-topline {
  display: flex; justify-content: space-between; align-items: baseline;
  font-family: var(--font-mono); font-size: 11px; color: var(--text-dim);
}
.news-card-source { color: var(--accent); text-transform: uppercase; letter-spacing: 0.05em; }

.news-card-title { margin: 0; font-size: 16px; line-height: 1.35; font-weight: 650; }
.news-card-summary { margin: 0; font-size: 13px; color: var(--text-dim); line-height: 1.5; }

.news-card-fields {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 4px 16px;
  margin: 2px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
}
.news-card-fields div.kv { display: flex; gap: 6px; }
.news-card-fields dt { color: var(--text-faint); }
.news-card-fields dd { margin: 0; color: var(--text); }
.sentiment-pos { color: var(--positive); }
.sentiment-neg { color: var(--negative); }

.news-card-fulltext-wrap { border-top: 1px dashed var(--border); padding-top: 8px; }
.accordion-btn {
  background: none; border: none; color: var(--accent); cursor: pointer;
  font-family: var(--font-mono); font-size: 11.5px; padding: 4px 0;
  display: flex; align-items: center; gap: 6px; letter-spacing: 0.03em;
}
.accordion-caret { transition: transform var(--transition); display: inline-block; }
.accordion-btn.open .accordion-caret { transform: rotate(90deg); }
.accordion-panel { padding-top: 8px; }
.news-card-fulltext { font-size: 13px; line-height: 1.6; color: var(--text); white-space: pre-wrap; }

.news-card-actions { display: flex; align-items: center; gap: 16px; margin-top: auto; padding-top: 4px; }
.news-card-status {
  font-family: var(--font-mono); font-size: 10.5px; color: var(--text-faint);
}
.news-card-status.error { color: var(--negative); }
.news-card-status.success { color: var(--positive); }

/* ---------- quota footer ---------- */
.quota-bar {
  position: sticky;
  bottom: 0;
  display: flex;
  gap: 26px;
  padding: 11px 28px;
  background: var(--bg-raised);
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 11px;
  z-index: 40;
}
.quota-item { display: flex; align-items: center; gap: 8px; }
.quota-label { color: var(--text-faint); letter-spacing: 0.08em; }
.quota-value { color: var(--accent); font-weight: 700; }
.quota-status { margin-left: auto; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.08em; }
.quota-status.loading { color: var(--accent); }
.quota-status.error { color: var(--negative); }

/* ---------- responsive ---------- */
@media (max-width: 760px) {
  .app-header { flex-wrap: wrap; gap: 12px; }
  .news-card { flex-direction: column; }
  .news-card-media { width: 100%; flex-basis: auto; }
  .quota-bar { flex-wrap: wrap; gap: 10px 20px; }
}