/* ============================================================
   Reusable Components: buttons, cards, badges, forms, modals
   ============================================================ */

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.5rem;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1;
  border: 1.5px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  white-space: nowrap;
  text-decoration: none;
  transition: all var(--transition);
  min-height: 44px;
  user-select: none;
}
.btn:disabled { opacity: 0.55; cursor: not-allowed; pointer-events: none; }

.btn-primary {
  background: var(--accent);
  color: var(--text-on-accent);
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  color: var(--text-on-accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--accent-glow);
}

.btn-outline {
  background: transparent;
  color: var(--accent);
  border-color: var(--accent);
}
.btn-outline:hover {
  background: var(--accent);
  color: var(--text-on-accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--accent-glow);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border-color: var(--border);
}
.btn-ghost:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
  border-color: var(--border);
}

.btn-danger {
  background: var(--danger);
  color: #fff;
  border-color: var(--danger);
}
.btn-danger:hover { filter: brightness(1.1); transform: translateY(-2px); }

.btn-sm {
  padding: 0.4rem 0.875rem;
  font-size: 0.8rem;
  min-height: 36px;
}
.btn-lg {
  padding: 0.9rem 2rem;
  font-size: 1rem;
  min-height: 52px;
}
.btn-icon {
  padding: 0.5rem;
  min-height: 36px;
  min-width: 36px;
}
.btn-full { width: 100%; }

/* ── Cards ──────────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  transition: transform var(--transition), box-shadow var(--transition),
              background var(--transition), border-color var(--transition);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
  border-color: var(--border-focus);
  background: var(--bg-card-hover);
}
.card--flat { box-shadow: none; }
.card--flat:hover { box-shadow: var(--shadow-md); }

/* ── Badges ─────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.2rem 0.6rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  white-space: nowrap;
}
.badge-accent  { background: var(--accent-glow);  color: var(--accent); border: 1px solid rgba(40,175,176,0.25); }
.badge-success { background: rgba(16,185,129,0.12); color: var(--success); }
.badge-warning { background: rgba(246,174,45,0.12); color: var(--warning); }
.badge-danger  { background: rgba(239,68,68,0.12);  color: var(--danger); }
.badge-purple  { background: rgba(139,92,246,0.12); color: var(--purple); }
.badge-muted   { background: var(--border);         color: var(--text-muted); }

/* ── Tags ───────────────────────────────────────────────────── */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.625rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition);
}
.tag:hover { border-color: var(--accent); color: var(--accent); }

/* ── Forms ──────────────────────────────────────────────────── */
.form-group { margin-bottom: 1.25rem; }
.form-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
  letter-spacing: 0.02em;
}
.form-control {
  width: 100%;
  padding: 0.7rem 0.9rem;
  background: var(--bg-input);
  border: 1.5px solid var(--border-input);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.9rem;
  line-height: 1.5;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  min-height: 44px;
}
.form-control::placeholder { color: var(--text-muted); }
.form-control:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
textarea.form-control { resize: vertical; min-height: 120px; }
.form-control[type="range"] {
  min-height: unset;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  accent-color: var(--accent);
}
select.form-control { cursor: pointer; }
.form-hint { font-size: 0.78rem; color: var(--text-muted); margin-top: 0.25rem; }
.form-error { font-size: 0.78rem; color: var(--danger); margin-top: 0.25rem; }
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
@media (max-width: 768px) { .form-grid { grid-template-columns: 1fr; } }

/* ── Progress Bar ───────────────────────────────────────────── */
.progress-bar-wrap {
  height: 8px;
  background: var(--border);
  border-radius: var(--radius-full);
  overflow: hidden;
  flex: 1;
}
.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-dark), var(--accent));
  border-radius: var(--radius-full);
  width: 0%;
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Modal ──────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg-modal);
  z-index: 8000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
  backdrop-filter: blur(4px);
}
.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}
.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  width: 100%;
  max-width: 640px;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.95) translateY(12px);
  transition: transform var(--transition);
  box-shadow: var(--shadow-xl);
}
.modal-overlay.open .modal {
  transform: scale(1) translateY(0);
}
.modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.modal-title { font-size: 1.2rem; font-weight: 700; color: var(--text-heading); }
.modal-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  padding: 0.25rem;
  flex-shrink: 0;
  transition: color var(--transition);
}
.modal-close:hover { color: var(--text-primary); }
.modal-body { color: var(--text-secondary); line-height: 1.75; }
.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}

/* ── Stat Cards ─────────────────────────────────────────────── */
.stat-card {
  text-align: center;
  padding: 2rem 1.5rem;
}
.stat-value {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 0.375rem;
  display: block;
}
.stat-label {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.stat-icon {
  width: 48px; height: 48px;
  background: var(--accent-glow);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  color: var(--accent);
}

/* ── Icon helper ────────────────────────────────────────────── */
.icon { flex-shrink: 0; }