/* ============================================================
   OpportuniMap — Opportunities Page Specific Styles (Light Theme)
   ============================================================ */

/* ── PAGE LAYOUT ── */
main.container {
  padding-top: calc(var(--nav-height) + 40px);
  padding-bottom: 80px;
  min-height: calc(100vh - var(--nav-height));
}

.page-header-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
  flex-wrap: wrap;
  gap: 16px;
}

.page-header-flex h1 {
  font-size: 2rem;
  color: var(--color-primary-dark);
  margin-bottom: 0;
}

/* ── TABS / BUTTONS ── */
.opportunities-actions {
  display: flex;
  gap: 12px;
}

.tab-btn {
  padding: 10px 20px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tab-btn:hover {
  background: var(--color-bg);
  border-color: var(--color-primary-light);
}

.tab-btn.active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.tab-panel {
  animation: fadeInUp 0.4s ease-out;
}

/* ── FORM FILTERS ── */
.form-filters {
  display: flex;
  gap: 16px;
  margin-bottom: 32px;
  flex-wrap: wrap;
  background: var(--color-surface);
  padding: 20px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.form-filters select,
.form-filters input {
  flex: 1;
  min-width: 200px;
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  outline: none;
  transition: all var(--transition-fast);
}

.form-filters select:focus,
.form-filters input:focus {
  border-color: var(--color-primary-light);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
  background: #fff;
}

/* ── CARD GRID ── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

/* ── OPPORTUNITY CARDS ── */
.card-grid > div,
.card-grid > article {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.card-grid > div:hover,
.card-grid > article:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-lg);
}

.card-grid h3 a {
  color: var(--color-primary-dark);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.card-grid h3 a:hover { color: var(--color-primary-light); }

.card-grid p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 12px;
}

/* ── EMPTY STATE ── */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--color-text-muted);
  font-size: 1.1rem;
}

/* ── PUBLISH FORM ── */
.form {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
}

.form h2 {
  font-size: 1.8rem;
  margin-bottom: 32px;
  color: var(--color-primary-dark);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 16px;
}

.form-group { margin-bottom: 24px; }
.form-group label {
  display: block; font-size: 0.95rem; font-weight: 600; color: var(--color-text); margin-bottom: 8px;
}
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 12px 16px; font-family: var(--font-body); font-size: 0.95rem;
  color: var(--color-text); background: var(--color-bg);
  border: 1px solid var(--color-border); border-radius: var(--radius-sm);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--color-primary-light); box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15); background: #fff; outline: none;
}
.form-group textarea { min-height: 140px; resize: vertical; }

/* ── DETAIL VIEW ── */
#opportunity-detail {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 48px;
  box-shadow: var(--shadow-sm);
}
#opportunity-detail h2 { color: var(--color-primary-dark); margin-bottom: 20px; }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .form-filters { flex-direction: column; }
  .form-filters select, .form-filters input { width: 100%; min-width: auto; }
  .form { padding: 32px 24px; }
  #opportunity-detail { padding: 32px 24px; }
  .page-header-flex { flex-direction: column; align-items: flex-start; }
}