/* ============================================
   FN8POS — UI Components (Optimized & Responsive)
   ============================================ */

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  height: 40px; padding: 0 20px; border-radius: var(--r); font-size: 13px;
  font-weight: 700; transition: var(--tr); white-space: nowrap;
  min-height: 40px; /* Minimum touch target */
}
.btn-primary   { background: var(--em); color: var(--bg); }
.btn-primary:hover { background: var(--em2); transform: translateY(-1px); box-shadow: 0 8px 24px rgba(34,197,94,.2); }
.btn-outline   { background: transparent; border: 1px solid var(--bd1); color: var(--t2); }
.btn-outline:hover { border-color: var(--em); color: var(--em); }
.btn-ghost     { background: var(--bg3); color: var(--t1); }
.btn-ghost:hover { background: var(--bg4); }
.btn-danger    { background: var(--rd); color: #fff; }
.btn-sm { height: 32px; padding: 0 14px; font-size: 12px; min-height: 32px; }
.btn-lg { height: 48px; padding: 0 28px; font-size: 15px; }
.btn-xl { height: 52px; padding: 0 32px; font-size: 16px; }
.btn-full { width: 100%; }
.btn:disabled { opacity: .4; pointer-events: none; }

/* Touch: active states for mobile */
@media (hover: none) {
  .btn-primary:active { background: var(--em2); transform: scale(.97); }
  .btn-outline:active { border-color: var(--em); color: var(--em); }
  .btn-ghost:active { background: var(--bg4); }
}

/* ── Inputs ── */
.field { display: flex; flex-direction: column; gap: 5px; }
.field-label { font-size: 12px; font-weight: 600; color: var(--t3); }
.input-box {
  display: flex; align-items: center; gap: 8px; height: 40px; padding: 0 12px;
  background: var(--bg1); border: 1px solid var(--bd); border-radius: var(--r);
  transition: border .2s; min-height: 40px;
}
.input-box:focus-within { border-color: var(--em); }
.input-box input, .input-box select, .input-box textarea {
  flex: 1; background: transparent; border: none; color: var(--t); font-size: 14px; width: 100%;
  min-width: 0; /* Prevent overflow in flex */
}
.input-box select { cursor: pointer; -webkit-appearance: none; appearance: none; }
.input-box select option { background: var(--bg1); color: var(--t); }
.input-icon { font-size: 14px; opacity: .4; flex-shrink: 0; }

/* ── Cards ── */
.card {
  background: var(--bg2); border: 1px solid var(--bd); border-radius: var(--r2);
  padding: 20px; transition: var(--tr);
}
.card-hover:hover { border-color: var(--bd2); transform: translateY(-2px); box-shadow: 0 12px 32px rgba(0,0,0,.2); }

.stat-card { min-width: 0; overflow: hidden; }
.stat-card .stat-label { font-size: 12px; color: var(--t3); font-weight: 500; margin-bottom: 4px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.stat-card .stat-value { font-size: 24px; font-weight: 800; font-family: var(--fm); color: var(--t); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.stat-card .stat-sub   { font-size: 11px; font-weight: 600; color: var(--em); margin-top: 4px; }

@media (max-width: 480px) {
  .stat-card .stat-value { font-size: 18px; }
  .stat-card { padding: 14px; }
}

/* ── Badges ── */
.badge {
  display: inline-flex; align-items: center; height: 24px; padding: 0 10px;
  border-radius: 99px; font-size: 11px; font-weight: 700; letter-spacing: .2px;
  white-space: nowrap;
}
.badge-green  { background: var(--emA); color: var(--em); border: 1px solid var(--emB); }
.badge-red    { background: rgba(239,68,68,.08); color: var(--rd); }
.badge-amber  { background: rgba(251,191,36,.08); color: var(--gd); }
.badge-blue   { background: rgba(59,130,246,.08); color: var(--bl); }
.badge-violet { background: rgba(167,139,250,.08); color: var(--vt); }
.badge-muted  { background: var(--bg4); color: var(--t3); }
.badge-sm { height: 20px; padding: 0 8px; font-size: 10px; }

/* ── Tables ── */
.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.data-table thead { background: var(--bg3); }
.data-table th {
  padding: 10px 16px; text-align: left; font-size: 11px; font-weight: 700;
  color: var(--t3); text-transform: uppercase; letter-spacing: .5px;
  border-bottom: 1px solid var(--bd); white-space: nowrap;
}
.data-table td { padding: 12px 16px; border-bottom: 1px solid var(--bd); vertical-align: middle; }
.data-table tbody tr { transition: background .15s; }
.data-table tbody tr:hover { background: rgba(255,255,255,.02); }
.table-wrap { border-radius: var(--r2); border: 1px solid var(--bd); overflow: hidden; }
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }

@media (max-width: 768px) {
  .data-table th, .data-table td { padding: 10px 12px; font-size: 12px; }
}

/* ── Progress ── */
.progress { height: 5px; border-radius: 3px; background: var(--bg4); overflow: hidden; }
.progress-bar { height: 100%; border-radius: 3px; transition: width .6s cubic-bezier(.4,0,.2,1); }

/* ── Tabs ── */
.tabs {
  display: inline-flex; gap: 2px; padding: 3px; background: var(--bg);
  border: 1px solid var(--bd); border-radius: var(--r);
  overflow-x: auto; -webkit-overflow-scrolling: touch;
  max-width: 100%; flex-shrink: 0;
}
.tabs::-webkit-scrollbar { display: none; }
.tab-btn {
  height: 30px; padding: 0 14px; border-radius: 7px; font-size: 12px; font-weight: 600;
  border: none; cursor: pointer; transition: var(--tr); background: transparent; color: var(--t4);
  white-space: nowrap; flex-shrink: 0;
}
.tab-btn.active { background: var(--em9); color: var(--em); }

/* ── Modal ── */
.modal-overlay {
  position: fixed; inset: 0; z-index: 999; background: rgba(0,0,0,.55);
  backdrop-filter: blur(4px); display: none; align-items: center; justify-content: center;
  padding: 16px;
}
.modal-overlay.open { display: flex; }
.modal-box {
  background: var(--bg2); border: 1px solid var(--bd1); border-radius: var(--r2);
  padding: 24px; width: min(520px, 100%); max-height: 85vh; overflow-y: auto;
  animation: scaleIn .25s cubic-bezier(.22,1,.36,1);
}
.modal-header {
  display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px;
}
.modal-title { font-size: 18px; font-weight: 800; color: var(--t); }
.modal-close {
  width: 36px; height: 36px; border-radius: var(--r); background: var(--bg4);
  color: var(--t3); font-size: 16px; display: flex; align-items: center;
  justify-content: center; cursor: pointer; border: none; transition: var(--tr);
  flex-shrink: 0;
}
.modal-close:hover { background: var(--bg5); color: var(--t1); }

@media (max-width: 480px) {
  .modal-box { padding: 18px; border-radius: var(--r2) var(--r2) 0 0; align-self: flex-end; width: 100%; max-height: 90vh; }
  .modal-overlay { padding: 0; align-items: flex-end; }
}

/* ── Tooltip — hide on touch ── */
[data-tip] { position: relative; }
@media (hover: hover) {
  [data-tip]:hover::after {
    content: attr(data-tip); position: absolute; bottom: calc(100% + 6px); left: 50%;
    transform: translateX(-50%); padding: 4px 10px; border-radius: 6px;
    background: var(--bg5); color: var(--t); font-size: 11px; font-weight: 600;
    white-space: nowrap; pointer-events: none; animation: fadeIn .15s;
  }
}