/* ============================================================
   Brief — Daily News Dashboard
   A clean, editorial dark theme. No frameworks.
   ============================================================ */

:root {
  --bg: #0b0c10;
  --bg-elev: #131419;
  --surface: #16181f;
  --surface-hover: #1c1f28;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text: #eceef3;
  --text-soft: #b6bcca;
  --text-dim: #7b8294;
  --accent: #7c8cff;
  --accent-2: #b07cff;
  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px rgba(0, 0, 0, 0.28);
  --maxw: 1160px;
}

* {
  box-sizing: border-box;
}

/* The `hidden` attribute must beat class-based display rules. */
[hidden] {
  display: none !important;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--text);
  background:
    radial-gradient(900px 500px at 100% -5%, rgba(124, 140, 255, 0.08), transparent 60%),
    radial-gradient(800px 500px at -10% 0%, rgba(176, 124, 255, 0.07), transparent 55%),
    var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ---------------- Top bar ---------------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(11, 12, 16, 0.72);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--border);
}

.topbar-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 14px clamp(16px, 4vw, 32px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  flex-shrink: 0;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 11px;
  font-weight: 700;
  font-size: 1.15rem;
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 4px 14px rgba(124, 140, 255, 0.4);
}
.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.brand-name {
  font-family: "Newsreader", Georgia, serif;
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: 0.2px;
}
.brand-sub {
  font-size: 0.72rem;
  color: var(--text-dim);
}

/* Search */
.search {
  position: relative;
  flex: 1;
  max-width: 440px;
  margin-left: auto;
}
.search-icon {
  position: absolute;
  left: 13px;
  top: 50%;
  transform: translateY(-50%);
  width: 17px;
  height: 17px;
  color: var(--text-dim);
  pointer-events: none;
}
.search input {
  width: 100%;
  padding: 10px 14px 10px 38px;
  font: inherit;
  font-size: 0.9rem;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  outline: none;
  transition: border-color 0.18s ease, background 0.18s ease;
}
.search input::placeholder {
  color: var(--text-dim);
}
.search input:focus {
  border-color: var(--accent);
  background: var(--bg-elev);
}

.actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.status {
  font-size: 0.78rem;
  color: var(--text-dim);
  white-space: nowrap;
}
.icon-btn {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  cursor: pointer;
  color: var(--text-soft);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  transition: background 0.18s ease, color 0.18s ease, transform 0.1s ease;
}
.icon-btn svg {
  width: 18px;
  height: 18px;
}
.icon-btn:hover {
  background: var(--surface-hover);
  color: var(--text);
}
.icon-btn:active {
  transform: scale(0.92);
}

/* ---------------- Tabs ---------------- */
.tabs {
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  gap: 8px;
  padding: 0 clamp(16px, 4vw, 32px) 12px;
  overflow-x: auto;
  scrollbar-width: none;
}
.tabs::-webkit-scrollbar {
  display: none;
}
.tab {
  flex-shrink: 0;
  cursor: pointer;
  font: inherit;
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--text-soft);
  background: transparent;
  border: 1px solid var(--border);
  padding: 7px 15px;
  border-radius: 999px;
  white-space: nowrap;
  transition: all 0.16s ease;
}
.tab:hover {
  color: var(--text);
  border-color: var(--border-strong);
}
.tab.active {
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-color: transparent;
}
.tab .count {
  margin-left: 6px;
  opacity: 0.6;
  font-size: 0.78em;
}

/* ---------------- Layout ---------------- */
.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 26px clamp(16px, 4vw, 32px) 56px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 16px;
}

/* ---------------- Card ---------------- */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 11px;
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
  animation: fade-up 0.4s ease both;
}
.card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--cat, var(--accent));
  opacity: 0.85;
}
.card:hover {
  transform: translateY(-3px);
  border-color: var(--border-strong);
  background: var(--surface-hover);
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.card-head {
  display: flex;
  align-items: center;
  gap: 10px;
}
.badge {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  border-radius: 8px;
  font-size: 0.78rem;
  font-weight: 700;
  color: #fff;
  background: var(--cat, var(--accent));
}
.card-meta {
  display: flex;
  flex-direction: column;
  min-width: 0;
  line-height: 1.25;
}
.card-source {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-soft);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.card-time {
  font-size: 0.72rem;
  color: var(--text-dim);
}

.card-title {
  margin: 0;
  font-family: "Newsreader", Georgia, serif;
  font-size: 1.12rem;
  font-weight: 600;
  line-height: 1.32;
  letter-spacing: 0.1px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card:hover .card-title {
  color: #fff;
}
.card-snippet {
  margin: 0;
  font-size: 0.86rem;
  color: var(--text-dim);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-foot {
  margin-top: auto;
  padding-top: 4px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.cat-pill {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.3px;
  text-transform: uppercase;
  color: var(--cat, var(--accent));
  background: color-mix(in srgb, var(--cat, var(--accent)) 16%, transparent);
  padding: 3px 9px;
  border-radius: 6px;
}
.card-read {
  font-size: 0.78rem;
  color: var(--text-dim);
  transition: color 0.18s ease, transform 0.18s ease;
}
.card:hover .card-read {
  color: var(--accent);
  transform: translateX(2px);
}

/* ---------------- Skeleton ---------------- */
.skel {
  height: 184px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(
    100deg,
    var(--surface) 30%,
    var(--surface-hover) 50%,
    var(--surface) 70%
  );
  background-size: 200% 100%;
  animation: shimmer 1.3s ease-in-out infinite;
}
@keyframes shimmer {
  to {
    background-position: -200% 0;
  }
}

/* ---------------- States ---------------- */
.state {
  text-align: center;
  padding: 80px 20px;
  color: var(--text-soft);
}
.state-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 16px;
  display: grid;
  place-items: center;
  font-size: 1.4rem;
  border-radius: 50%;
  color: var(--accent);
  background: rgba(124, 140, 255, 0.12);
  border: 1px solid var(--border);
}
.btn {
  margin-top: 16px;
  cursor: pointer;
  font: inherit;
  font-size: 0.86rem;
  font-weight: 500;
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border: none;
  padding: 9px 20px;
  border-radius: 10px;
  transition: transform 0.1s ease, opacity 0.18s ease;
}
.btn:hover {
  opacity: 0.92;
}
.btn:active {
  transform: scale(0.96);
}

/* ---------------- Footer ---------------- */
.site-footer {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 24px clamp(16px, 4vw, 32px) 40px;
  display: flex;
  gap: 8px;
  font-size: 0.76rem;
  color: var(--text-dim);
  border-top: 1px solid var(--border);
}
.dot-sep::before {
  content: "·";
  margin-right: 8px;
}

/* ---------------- Responsive ---------------- */
@media (max-width: 640px) {
  .topbar-inner {
    flex-wrap: wrap;
  }
  .brand {
    order: 1;
  }
  .actions {
    order: 2;
    margin-left: auto;
  }
  .search {
    order: 3;
    flex-basis: 100%;
    max-width: none;
    margin-left: 0;
  }
  .brand-sub {
    display: none;
  }
}