/* hub.css — styles for /tactics hub and /tactics/:id detail pages */

/* ── NAV LINKS ──────────────────────────────────────────────────────────── */
.nav-links { display: flex; align-items: center; gap: 1.5rem; }
.nav-link {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--fg-muted);
  text-decoration: none;
  transition: color 0.15s;
}
.nav-link:hover, .nav-link--active { color: var(--accent); }

/* ── HUB HEADER ─────────────────────────────────────────────────────────── */
.hub-header {
  padding: 4rem 2rem 3rem;
  background: linear-gradient(180deg, var(--accent-light) 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--border);
}
.hub-header-inner { max-width: var(--max-w); margin: 0 auto; }
.hub-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 0.75rem;
}
.hub-sub { font-size: 1.05rem; color: var(--fg-muted); max-width: 540px; line-height: 1.6; }

/* ── FILTER / SEARCH BAR ────────────────────────────────────────────────── */
.hub-controls {
  position: sticky;
  top: 61px; /* below sticky nav */
  z-index: 9;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  padding: 1rem 2rem;
}
.hub-controls-inner { max-width: var(--max-w); margin: 0 auto; }
.hub-form { display: flex; flex-direction: column; gap: 0.75rem; }

/* Search */
.search-wrap {
  position: relative;
  max-width: 400px;
}
.search-icon {
  position: absolute;
  left: 0.9rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--fg-dim);
  pointer-events: none;
}
.search-input {
  width: 100%;
  padding: 0.6rem 0.9rem 0.6rem 2.4rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.search-input:focus {
  border-color: var(--accent-border);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.08);
}
.search-input::placeholder { color: var(--fg-dim); }

/* Filter row */
.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}
.filter-select {
  padding: 0.45rem 2rem 0.45rem 0.75rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 0.85rem;
  cursor: pointer;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%2394a3b8' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.65rem center;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.filter-select:focus {
  border-color: var(--accent-border);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.08);
}
.filter-select:hover { border-color: var(--accent-border); }

.filter-clear {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--accent-border);
  border-radius: var(--radius);
  background: var(--accent-light);
  transition: background 0.15s, border-color 0.15s;
}
.filter-clear:hover {
  background: #dbeafe;
  border-color: var(--accent);
}

/* ── HUB BODY ───────────────────────────────────────────────────────────── */
.hub-body { padding: 2.5rem 2rem 5rem; background: var(--bg); }
.hub-body-inner { max-width: var(--max-w); margin: 0 auto; }

.results-meta {
  font-size: 0.82rem;
  color: var(--fg-dim);
  margin-bottom: 1.5rem;
  font-weight: 500;
}

/* Tactic grid */
.tactics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.25rem;
}

/* Card — link variant */
.tactic-card--link {
  display: block;
  text-decoration: none;
  cursor: pointer;
  padding: 1.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}
.tactic-card--link:hover {
  transform: translateY(-3px);
  border-color: var(--accent-border);
  box-shadow: 0 6px 24px rgba(37, 99, 235, 0.1);
}

.tactic-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 0.55rem;
  line-height: 1.3;
}
.tactic-summary {
  font-size: 0.88rem;
  color: var(--fg-muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}
.tactic-meta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  font-size: 0.78rem;
}
.tactic-industry {
  color: var(--fg-muted);
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  padding: 0.2rem 0.55rem;
  border-radius: 100px;
}
.tactic-difficulty { padding: 0.2rem 0.55rem; border-radius: 100px; font-weight: 600; }
.tactic-difficulty--beginner     { background: var(--tag-free-bg); color: var(--tag-free); }
.tactic-difficulty--intermediate { background: var(--tag-low-bg);  color: var(--tag-low); }
.tactic-difficulty--advanced     { background: var(--accent-light); color: var(--accent); }
.tactic-cta { margin-left: auto; color: var(--accent); font-weight: 600; }

/* Price tags */
.tag-price             { background: var(--bg-subtle); color: var(--fg-muted); border: 1px solid var(--border); }
.tag-price--free       { background: var(--tag-free-bg);   color: var(--tag-free);   border: none; }
.tag-price--low-cost   { background: var(--tag-low-bg);    color: var(--tag-low);    border: none; }
.tag-price--premium    { background: var(--accent-light); color: var(--accent); border: none; }

/* Empty state */
.hub-empty {
  text-align: center;
  padding: 5rem 1rem;
  color: var(--fg-muted);
  font-size: 1rem;
}
.hub-empty a { color: var(--accent); font-weight: 600; }

/* Pagination */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 3rem;
  font-size: 0.9rem;
}
.page-btn {
  padding: 0.5rem 1.1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--fg);
  text-decoration: none;
  font-weight: 500;
  transition: border-color 0.15s, background 0.15s, color 0.15s;
}
.page-btn:hover {
  border-color: var(--accent-border);
  background: var(--accent-light);
  color: var(--accent);
}
.page-info { color: var(--fg-muted); }

/* ── DETAIL PAGE ─────────────────────────────────────────────────────────── */
.detail-wrap { padding: 3rem 2rem 5rem; }
.detail-inner { max-width: 760px; margin: 0 auto; }

.breadcrumb {
  font-size: 0.82rem;
  color: var(--fg-dim);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--accent); text-decoration: none; font-weight: 500; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb-sep { color: var(--fg-dim); }

.detail-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 1rem;
  color: var(--fg);
}
.detail-summary {
  font-size: 1.1rem;
  color: var(--fg-muted);
  line-height: 1.65;
  margin-bottom: 2rem;
}
.detail-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding: 1.25rem 1.5rem;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 2rem;
}
.detail-meta-item { display: flex; flex-direction: column; gap: 0.2rem; }
.detail-meta-label { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--fg-dim); font-weight: 600; }
.detail-meta-value { font-size: 0.92rem; color: var(--fg); font-weight: 500; }

.detail-divider { height: 1px; background: var(--border); margin: 2rem 0; }

.detail-body { margin-bottom: 2rem; }
.detail-body-heading {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--accent);
}
.detail-body p {
  font-size: 0.97rem;
  color: var(--fg-muted);
  line-height: 1.75;
  margin-bottom: 1rem;
}

.detail-source {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--fg-dim);
  font-style: italic;
  margin-bottom: 1.5rem;
}

.detail-tags-list { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.detail-tag {
  font-size: 0.78rem;
  color: var(--fg-muted);
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  padding: 0.25rem 0.6rem;
  border-radius: 100px;
}

.back-link {
  display: inline-block;
  font-size: 0.9rem;
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border: 1px solid var(--accent-border);
  border-radius: var(--radius);
  background: var(--accent-light);
  transition: background 0.15s, border-color 0.15s;
}
.back-link:hover {
  text-decoration: none;
  background: #dbeafe;
  border-color: var(--accent);
}

/* Difficulty tag in detail */
.tag-diff             { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; padding: 0.25rem 0.65rem; border-radius: 100px; }
.tag-diff--beginner   { background: var(--tag-free-bg); color: var(--tag-free); }
.tag-diff--intermediate { background: var(--tag-low-bg); color: var(--tag-low); }
.tag-diff--advanced   { background: var(--accent-light); color: var(--accent); }

/* ── RESPONSIVE ─────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .hub-header { padding: 3rem 1.5rem 2rem; }
  .hub-controls { padding: 0.85rem 1.5rem; }
  .hub-body { padding: 2rem 1.5rem 4rem; }
  .tactics-grid { grid-template-columns: 1fr; }
  .detail-wrap { padding: 2rem 1.5rem 4rem; }
  .detail-meta-row { gap: 1rem; }
  .filter-row { gap: 0.4rem; }
}