/* ===== APP NAVIGATION ===== */
.app-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
}

.app-nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--fg);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav-brand span { color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--fg-muted);
  text-decoration: none;
  padding: 0.4rem 0.85rem;
  border-radius: 6px;
  transition: color 0.15s, background 0.15s;
}

.nav-link:hover, .nav-link.active {
  color: var(--fg);
  background: rgba(255,255,255,0.05);
}

.nav-link.active { color: var(--accent); }

.nav-cta {
  margin-left: 0.75rem;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  background: var(--accent);
  color: #0C0C0E;
  padding: 0.45rem 1.1rem;
  border-radius: 6px;
  text-decoration: none;
  transition: background 0.15s;
}

.nav-cta:hover { background: var(--accent-dim); }

/* ===== APP LAYOUT ===== */
.app-main {
  min-height: calc(100vh - 60px - 80px);
}

/* ===== PAGE HEADER ===== */
.page-header {
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
  padding: 3rem 2rem 2.5rem;
}

.page-header-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
}

.page-tag {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}

.page-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 0.5rem;
}

.page-sub {
  font-size: 0.95rem;
  color: var(--fg-muted);
  max-width: 480px;
  line-height: 1.6;
}

.back-link {
  font-size: 0.85rem;
  color: var(--fg-muted);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: color 0.15s;
}
.back-link:hover { color: var(--fg); }

/* ===== BUTTONS ===== */
.btn-primary {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  background: var(--accent);
  color: #0C0C0E;
  border: none;
  padding: 0.6rem 1.4rem;
  border-radius: 6px;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: background 0.15s;
  white-space: nowrap;
}
.btn-primary:hover { background: var(--accent-dim); }
.btn-primary.btn-large { font-size: 1rem; padding: 0.8rem 2rem; }

.btn-secondary {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--border);
  padding: 0.6rem 1.4rem;
  border-radius: 6px;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: border-color 0.15s, background 0.15s;
  white-space: nowrap;
}
.btn-secondary:hover { border-color: var(--fg-muted); background: rgba(255,255,255,0.04); }

.btn-ghost {
  font-size: 0.9rem;
  color: var(--fg-muted);
  background: none;
  border: none;
  padding: 0.6rem 1rem;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: color 0.15s;
}
.btn-ghost:hover { color: var(--fg); }

/* ===== SHIFT BOARD ===== */
.board-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2.5rem 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.5rem;
}

.shift-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.5rem;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  transition: border-color 0.15s, transform 0.15s;
  cursor: pointer;
}
.shift-card:hover {
  border-color: var(--accent-dim);
  transform: translateY(-2px);
}

.shift-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.role-badge {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  background: rgba(232,166,48,0.12);
  border: 1px solid rgba(232,166,48,0.2);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  text-transform: capitalize;
  display: inline-block;
}

.shift-status {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.status-open { background: rgba(74,222,128,0.12); color: #4ade80; border: 1px solid rgba(74,222,128,0.2); }
.status-filled { background: rgba(139,92,246,0.12); color: #a78bfa; border: 1px solid rgba(139,92,246,0.2); }
.status-cancelled { background: rgba(248,113,113,0.12); color: #f87171; border: 1px solid rgba(248,113,113,0.2); }

.shift-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--fg);
  line-height: 1.3;
}

.shift-employer {
  font-size: 0.85rem;
  color: var(--fg-muted);
}

.shift-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.shift-meta-item {
  font-size: 0.82rem;
  color: var(--fg-muted);
}

.shift-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.25rem;
}

.shift-pay {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
}

.shift-headcount {
  font-size: 0.82rem;
  color: var(--fg-muted);
}

/* ===== SKILL TAGS ===== */
.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.skill-tag {
  font-size: 0.75rem;
  color: var(--fg-muted);
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  padding: 0.15rem 0.5rem;
  border-radius: 3px;
}

.skill-tag.skill-match {
  color: var(--accent);
  background: rgba(232,166,48,0.1);
  border-color: rgba(232,166,48,0.25);
}

.cert-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.4rem;
}

.cert-tag {
  font-size: 0.72rem;
  font-weight: 600;
  color: #60a5fa;
  background: rgba(96,165,250,0.08);
  border: 1px solid rgba(96,165,250,0.2);
  padding: 0.15rem 0.5rem;
  border-radius: 3px;
}

/* ===== EMPTY STATE ===== */
.empty-state {
  text-align: center;
  padding: 5rem 2rem;
}
.empty-icon { font-size: 3rem; margin-bottom: 1.5rem; }
.empty-state h2 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--fg);
  margin-bottom: 0.75rem;
}
.empty-state p { color: var(--fg-muted); }

/* ===== DETAIL VIEW ===== */
.detail-layout {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2.5rem 2rem;
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 2rem;
  align-items: start;
}

.detail-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.75rem;
}

.detail-card-title {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 1.5rem;
}

.detail-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--border);
  gap: 1rem;
}
.detail-row:last-of-type { border-bottom: none; }

.detail-label {
  font-size: 0.82rem;
  color: var(--fg-muted);
  flex-shrink: 0;
}
.detail-val {
  font-size: 0.9rem;
  color: var(--fg);
  text-align: right;
}

/* ===== MATCHES ===== */
.matches-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}
.matches-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--fg);
}
.matches-count {
  font-size: 0.82rem;
  color: var(--fg-muted);
}

.match-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem;
  margin-bottom: 0.75rem;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  transition: border-color 0.15s;
}
.match-card:hover { border-color: var(--accent-dim); }
.match-unavailable { opacity: 0.55; }

.match-rank {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-dim);
  min-width: 28px;
  padding-top: 0.1rem;
}

.match-info { flex: 1; }
.match-name {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 0.2rem;
}
.match-meta {
  font-size: 0.82rem;
  color: var(--fg-muted);
  margin-bottom: 0.5rem;
}

.match-score-block {
  text-align: center;
  min-width: 56px;
}
.match-score {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}
.match-score-label {
  font-size: 0.7rem;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 0.1rem;
  margin-bottom: 0.5rem;
}
.contact-btn {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  border: 1px solid rgba(232,166,48,0.3);
  border-radius: 4px;
  padding: 0.2rem 0.5rem;
  transition: background 0.15s;
}
.contact-btn:hover { background: rgba(232,166,48,0.1); }

.unavailable-badge {
  font-size: 0.7rem;
  font-weight: 600;
  color: #f87171;
  background: rgba(248,113,113,0.1);
  border: 1px solid rgba(248,113,113,0.2);
  padding: 0.1rem 0.4rem;
  border-radius: 3px;
  margin-left: 0.4rem;
  vertical-align: middle;
}

/* ===== WORKER GRID ===== */
.worker-grid {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2.5rem 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 1.25rem;
}

.worker-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: border-color 0.15s;
}
.worker-card:hover { border-color: var(--accent-dim); }
.worker-unavailable { opacity: 0.6; }

.worker-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.75rem;
}

.worker-name {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--fg);
}
.worker-location {
  font-size: 0.8rem;
  color: var(--fg-muted);
  margin-top: 0.1rem;
}
.worker-exp {
  font-size: 0.82rem;
  color: var(--fg-muted);
}

.avail-badge {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
  transition: opacity 0.15s;
  flex-shrink: 0;
}
.avail-badge:hover { opacity: 0.8; }
.avail-yes { background: rgba(74,222,128,0.12); color: #4ade80; border: 1px solid rgba(74,222,128,0.2); }
.avail-no  { background: rgba(248,113,113,0.1); color: #f87171; border: 1px solid rgba(248,113,113,0.2); }

.worker-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border);
}

.worker-rate {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
}

.worker-contact {
  font-size: 0.78rem;
  color: var(--fg-muted);
  text-decoration: none;
}
.worker-contact:hover { color: var(--fg); }

/* ===== FILTER BAR ===== */
.filter-bar {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem 2rem 0;
  display: flex;
  gap: 0.75rem;
  align-items: center;
  flex-wrap: wrap;
}

.filter-input {
  flex: 1;
  min-width: 220px;
  max-width: 360px;
}

.filter-available-label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.88rem;
  color: var(--fg-muted);
  cursor: pointer;
}
.filter-available-label input { cursor: pointer; accent-color: var(--accent); }

/* ===== FORMS ===== */
.form-container {
  max-width: 780px;
  margin: 0 auto;
  padding: 2.5rem 2rem;
}

.form-error {
  background: rgba(248,113,113,0.1);
  border: 1px solid rgba(248,113,113,0.3);
  color: #f87171;
  padding: 0.85rem 1rem;
  border-radius: 6px;
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

.shift-form { display: flex; flex-direction: column; gap: 0; }

.form-section {
  padding: 2rem 0;
  border-bottom: 1px solid var(--border);
}
.form-section:last-of-type { border-bottom: none; }

.form-section-title {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.form-group { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: 1rem; }
.form-group:last-child { margin-bottom: 0; }

.form-label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--fg-muted);
}

.form-input {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 0.65rem 0.9rem;
  border-radius: 6px;
  outline: none;
  transition: border-color 0.15s;
  width: 100%;
  -webkit-appearance: none;
}
.form-input:focus { border-color: var(--accent-dim); }
.form-input option { background: var(--bg-elevated); }

.form-textarea {
  resize: vertical;
  min-height: 90px;
  line-height: 1.6;
}

.form-hint {
  font-size: 0.83rem;
  color: var(--fg-muted);
  margin-bottom: 1rem;
}

.form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1rem; }

.skill-checkbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 0.5rem;
}

.skill-checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--fg-muted);
  cursor: pointer;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 5px;
  background: var(--bg-elevated);
  transition: border-color 0.12s, color 0.12s;
}
.skill-checkbox-label:hover { border-color: var(--accent-dim); color: var(--fg); }
.skill-checkbox-label input[type="checkbox"] { accent-color: var(--accent); }
.skill-checkbox-label:has(input:checked) {
  border-color: var(--accent);
  color: var(--fg);
  background: rgba(232,166,48,0.06);
}

.form-actions {
  padding-top: 2rem;
  display: flex;
  gap: 1rem;
  align-items: center;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .detail-layout { grid-template-columns: 1fr; }
  .detail-left { order: 2; }
  .detail-right { order: 1; }
  .form-grid-2 { grid-template-columns: 1fr; }
  .form-grid-3 { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .app-nav { padding: 0 1rem; }
  .nav-links .nav-link:not(.nav-link:last-child) { display: none; }
  .page-header { padding: 2rem 1.25rem 1.75rem; }
  .page-header-inner { flex-direction: column; gap: 1rem; }
  .board-container, .worker-grid { padding: 1.5rem 1rem; grid-template-columns: 1fr; }
  .detail-layout { padding: 1.5rem 1rem; }
  .form-container { padding: 1.5rem 1rem; }
  .form-grid-3 { grid-template-columns: 1fr; }
  .filter-bar { padding: 1rem 1rem 0; }
  .filter-input { max-width: 100%; }
}