.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 12px 18px;
  font-weight: 800;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
  min-height: 44px;
}
.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow-sm); }
.btn-primary { background: var(--color-primary); color: white; }
.btn-primary:hover { background: var(--color-primary-strong); }
.btn-accent { background: var(--color-accent); color: #1f2937; }
.btn-ghost { background: var(--color-surface); border-color: var(--color-border); color: var(--color-text); }
.btn-danger { background: var(--color-danger); color: white; }
.btn-sm { padding: 8px 12px; min-height: 36px; font-size: .9rem; }
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.card-pad { padding: 24px; }
.grid { display: grid; gap: 18px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 999px;
  border: 1px solid transparent;
  padding: 6px 10px;
  font-size: .8rem;
  color: var(--color-muted);
  background: transparent;
}
.form-grid { display: grid; gap: 14px; }
.field { display: grid; gap: 6px; }
.field label { font-size: .82rem; font-weight: 800; color: var(--color-muted); }
.input, input, select, textarea {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: var(--color-surface);
  color: var(--color-text);
  padding: 11px 12px;
  outline: none;
}
textarea { resize: vertical; min-height: 96px; }
.input:focus, input:focus, select:focus, textarea:focus { border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(0, 89, 168, .14); }
.empty-state {
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  color: var(--color-muted);
  text-align: center;
}
.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 1000;
  background: var(--color-text);
  color: var(--color-surface);
  border-radius: 12px;
  padding: 12px 14px;
  box-shadow: var(--shadow-md);
  max-width: min(360px, calc(100vw - 32px));
}
@media (max-width: 860px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .section { padding: 50px 0; }
}

/* Support Material Chips + Modal */
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.chip{appearance:none;border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-text);border-radius:999px;padding:8px 12px;font-weight:800;font-size:.92rem;display:inline-flex;align-items:center;gap:8px;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease}
.chip:hover{transform:translateY(-1px);box-shadow:var(--shadow-sm);border-color:rgba(0,89,168,.35)}
.chip .chip-icon{display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;opacity:.9}
.chip .chip-count{font-weight:900;color:var(--color-muted)}

.modal-backdrop{position:fixed;inset:0;background:rgba(15,23,42,.55);backdrop-filter:blur(3px);z-index:2000;display:flex;align-items:flex-end;justify-content:center;padding:18px}
.modal{width:min(980px,100%);max-height:min(86vh,900px);background:var(--color-surface);border:1px solid var(--color-border);border-radius:18px;box-shadow:var(--shadow-lg);display:flex;flex-direction:column;overflow:hidden}
.modal-header{display:flex;gap:12px;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--color-border)}
.modal-title{display:flex;align-items:center;gap:10px;font-weight:900}
.modal-close{appearance:none;border:1px solid var(--color-border);background:transparent;border-radius:999px;width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer}
.modal-body{padding:16px;overflow:auto}
.modal-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}

@media (min-width: 860px){
  .modal-backdrop{align-items:center}
}


/* Support launcher refinements */
.chip-row{justify-content:flex-start}
.support-launcher{padding:0;margin-top:14px}
.support-launcher-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap}

@media (max-width: 860px){
  .chip{padding:7px 10px;font-size:.9rem}
}

/* Modal carousel */
.modal-split{display:grid;gap:14px}
@media (min-width: 860px){.modal-split{grid-template-columns: .9fr 1.1fr;align-items:start}}
.carousel{border:1px solid var(--color-border);border-radius:16px;overflow:hidden;background:var(--color-surface)}
.carousel-track{display:flex;overflow:auto;scroll-snap-type:x mandatory;scrollbar-width:none}
.carousel-track::-webkit-scrollbar{display:none}
.carousel-slide{min-width:100%;scroll-snap-align:start;position:relative}
.carousel-slide img,.carousel-slide video{width:100%;height:auto;display:block}
.carousel-slide .carousel-label{position:absolute;left:12px;bottom:12px;background:rgba(15,23,42,.65);color:white;padding:6px 10px;border-radius:999px;font-weight:800;font-size:.85rem}
.carousel-nav{display:flex;gap:8px;justify-content:center;padding:10px}
.carousel-dot{width:8px;height:8px;border-radius:999px;border:1px solid var(--color-border);background:transparent}
.carousel-dot.is-active{background:var(--color-primary);border-color:var(--color-primary)}

/* Modal split: avoid narrow columns */
.modal-split > *{min-width:0}
.modal-split .modal-content-col{min-width:0}
.modal-split .modal-content-col .card{max-width: 100%}

/* Modal layout fix: give content room and avoid shrink */
.modal{width:min(1120px,100%)}
@media (min-width: 860px){
  .modal-split{grid-template-columns:minmax(360px,.85fr) minmax(0,1.15fr)}
}
.modal-content-col{width:100%}
.modal-content-col .grid{grid-template-columns:1fr !important}
.modal-content-col .card{width:100%}