/**
 * ECOSMART SUPERMARKET — supermarket.css
 * Estilos profesionales: POS, inventario, dashboard
 */
:root {
  --smk-bg: #0a0e14;
  --smk-card: #111820;
  --smk-card2: #1a2332;
  --smk-border: #1e2a3a;
  --smk-primary: #27ae60;
  --smk-primary-light: #2ecc71;
  --smk-primary-10: rgba(39,174,96,.1);
  --smk-primary-20: rgba(39,174,96,.2);
  --smk-accent: #3498db;
  --smk-danger: #e74c3c;
  --smk-warning: #f39c12;
  --smk-txt1: #f0f0f0;
  --smk-txt2: #b0b8c4;
  --smk-txt3: #6b7a8d;
  --smk-txt4: #3d4f63;
  --smk-r: 10px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { overflow-x: hidden; }
body {
  font-family: 'DM Sans', system-ui, sans-serif;
  background: var(--smk-bg);
  color: var(--smk-txt1);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ── NAV ──────────────────────────────── */
.smk-nav {
  position: fixed; top: 0; left: 0; right: 0;
  height: 54px; background: var(--smk-card);
  border-bottom: 1px solid var(--smk-border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 1rem; z-index: 1000;
}
.smk-nav-brand {
  display: flex; align-items: center; gap: .4rem;
  font-size: 1rem; font-weight: 700; color: var(--smk-primary-light);
}
.smk-nav-brand i { font-size: 1.1rem; }
.smk-nav-actions { display: flex; align-items: center; gap: .5rem; }

/* ── MAIN ─────────────────────────────── */
.smk-main {
  margin-top: 54px;
  padding: .75rem;
  padding-bottom: calc(.75rem + 60px + env(safe-area-inset-bottom, 0px));
  min-height: calc(100vh - 54px);
}

/* ── CARDS ─────────────────────────────── */
.smk-card {
  background: var(--smk-card);
  border: 1px solid var(--smk-border);
  border-radius: var(--smk-r);
  overflow: hidden;
  margin-bottom: .75rem;
}
.smk-card-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: .75rem 1rem;
  border-bottom: 1px solid var(--smk-border);
}
.smk-card-header h3 {
  font-size: .9rem; font-weight: 700;
  display: flex; align-items: center; gap: .4rem;
}
.smk-card-header h3 i { color: var(--smk-primary); }
.smk-card-body { padding: .75rem 1rem; }

/* ── STAT GRID ────────────────────────── */
.smk-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: .6rem;
  margin-bottom: .75rem;
}
@media(min-width:768px) { .smk-stats { grid-template-columns: repeat(4, 1fr); } }
.smk-stat {
  background: var(--smk-card);
  border: 1px solid var(--smk-border);
  border-radius: var(--smk-r);
  padding: .75rem;
  display: flex; align-items: center; gap: .6rem;
}
.smk-stat-icon {
  width: 40px; height: 40px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; flex-shrink: 0;
}
.smk-stat-icon.green { background: var(--smk-primary-10); color: var(--smk-primary); }
.smk-stat-icon.blue { background: rgba(52,152,219,.1); color: var(--smk-accent); }
.smk-stat-icon.orange { background: rgba(243,156,18,.1); color: var(--smk-warning); }
.smk-stat-icon.red { background: rgba(231,76,60,.1); color: var(--smk-danger); }
.smk-stat-info h4 { font-size: .65rem; color: var(--smk-txt3); font-weight: 600; text-transform: uppercase; letter-spacing: .3px; }
.smk-stat-val { font-size: 1.15rem; font-weight: 800; }

/* ── BUTTONS ──────────────────────────── */
.smk-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
  padding: .6rem 1rem; border-radius: 8px;
  font-size: .82rem; font-weight: 700; border: none; cursor: pointer;
  font-family: inherit; transition: .2s;
}
.smk-btn:disabled { opacity: .4; cursor: not-allowed; }
.smk-btn-primary { background: var(--smk-primary); color: #fff; box-shadow: 0 3px 12px rgba(39,174,96,.3); }
.smk-btn-primary:hover:not(:disabled) { background: #219a52; transform: translateY(-1px); }
.smk-btn-danger { background: rgba(231,76,60,.1); color: var(--smk-danger); border: 1px solid rgba(231,76,60,.2); }
.smk-btn-ghost { background: transparent; color: var(--smk-txt2); border: 1px solid var(--smk-border); }
.smk-btn-ghost:hover { background: var(--smk-card2); }
.smk-btn-full { width: 100%; }
.smk-btn-lg { padding: .85rem 1.5rem; font-size: .95rem; }
.smk-btn-sm { padding: .4rem .7rem; font-size: .75rem; }

/* ── FORMS ─────────────────────────────── */
.smk-form-group { margin-bottom: .65rem; }
.smk-form-group label {
  display: block; margin-bottom: .25rem;
  font-size: .78rem; color: var(--smk-txt3); font-weight: 600;
}
.smk-input {
  width: 100%; padding: .6rem .75rem;
  background: var(--smk-card2); color: var(--smk-txt1);
  border: 1px solid var(--smk-border); border-radius: 8px;
  font-size: .88rem; font-family: inherit;
}
.smk-input:focus { outline: none; border-color: var(--smk-primary); box-shadow: 0 0 0 3px var(--smk-primary-10); }
.smk-input::placeholder { color: var(--smk-txt4); }
select.smk-input { appearance: none; }

/* ── POS ──────────────────────────────── */
.pos-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: .75rem;
}
@media(min-width:900px) {
  .pos-layout { grid-template-columns: 1fr 380px; }
}

/* Scanner input */
.pos-scanner {
  display: flex; gap: .4rem; margin-bottom: .75rem;
}
.pos-scanner-input {
  flex: 1; padding: .7rem 1rem .7rem 2.5rem;
  background: var(--smk-card2); color: var(--smk-txt1);
  border: 2px solid var(--smk-primary-20); border-radius: 10px;
  font-size: 1rem; font-family: monospace; font-weight: 700;
}
.pos-scanner-input:focus { border-color: var(--smk-primary); box-shadow: 0 0 0 4px var(--smk-primary-10); outline: none; }
.pos-scanner-wrap { position: relative; flex: 1; }
.pos-scanner-wrap i { position: absolute; left: .8rem; top: 50%; transform: translateY(-50%); color: var(--smk-primary); font-size: 1rem; }
.pos-cam-btn {
  width: 46px; height: 46px; border-radius: 10px;
  border: 2px solid var(--smk-primary-20); background: var(--smk-primary-10);
  color: var(--smk-primary); font-size: 1.1rem; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
}

/* Items list */
.pos-items { max-height: 50vh; overflow-y: auto; }
.pos-item {
  display: flex; align-items: center; gap: .6rem;
  padding: .6rem .75rem;
  border-bottom: 1px solid var(--smk-border);
}
.pos-item:last-child { border-bottom: none; }
.pos-item-info { flex: 1; min-width: 0; }
.pos-item-name { font-size: .82rem; font-weight: 600; }
.pos-item-code { font-size: .65rem; color: var(--smk-txt3); font-family: monospace; }
.pos-item-qty {
  display: flex; align-items: center; gap: .3rem;
}
.pos-item-qty button {
  width: 26px; height: 26px; border-radius: 6px;
  border: 1px solid var(--smk-border); background: var(--smk-card2);
  color: var(--smk-txt2); cursor: pointer; font-size: .75rem;
  display: flex; align-items: center; justify-content: center;
}
.pos-item-qty span { font-size: .85rem; font-weight: 700; min-width: 24px; text-align: center; }
.pos-item-price { font-size: .88rem; font-weight: 700; color: var(--smk-primary-light); min-width: 70px; text-align: right; }
.pos-item-del {
  width: 28px; height: 28px; border-radius: 6px;
  border: none; background: rgba(231,76,60,.1); color: var(--smk-danger);
  cursor: pointer; font-size: .7rem;
  display: flex; align-items: center; justify-content: center;
}

/* Totals */
.pos-totals {
  background: var(--smk-card2);
  border-radius: var(--smk-r);
  padding: .75rem;
  margin-top: .5rem;
}
.pos-total-row {
  display: flex; justify-content: space-between;
  padding: .25rem 0; font-size: .82rem; color: var(--smk-txt2);
}
.pos-total-row.grand {
  font-size: 1.3rem; font-weight: 900; color: var(--smk-txt1);
  padding: .5rem 0; border-top: 1px solid var(--smk-border); margin-top: .3rem;
}
.pos-total-row .label { color: var(--smk-txt3); }

/* Payment section */
.pos-pay { margin-top: .75rem; }
.pos-pay-methods {
  display: flex; gap: .4rem; margin-bottom: .6rem; flex-wrap: wrap;
}
.pos-pay-method {
  padding: .5rem .75rem; border-radius: 8px;
  border: 1.5px solid var(--smk-border); background: transparent;
  color: var(--smk-txt2); font-size: .75rem; font-weight: 700;
  cursor: pointer; transition: .15s; font-family: inherit;
  display: flex; align-items: center; gap: .3rem;
}
.pos-pay-method.active { border-color: var(--smk-primary); background: var(--smk-primary-10); color: var(--smk-primary); }
.pos-pay-method i { font-size: .85rem; }

/* ── TABLA ─────────────────────────────── */
.smk-table { width: 100%; border-collapse: collapse; }
.smk-table th {
  text-align: left; padding: .5rem .6rem;
  font-size: .65rem; font-weight: 700; color: var(--smk-txt3);
  text-transform: uppercase; letter-spacing: .5px;
  border-bottom: 1px solid var(--smk-border);
}
.smk-table td {
  padding: .55rem .6rem; font-size: .82rem;
  border-bottom: 1px solid rgba(30,42,58,.5);
  color: var(--smk-txt2);
}
.smk-table tr:hover td { background: var(--smk-card2); }

/* ── BADGES ────────────────────────────── */
.smk-badge {
  display: inline-flex; align-items: center; gap: .2rem;
  padding: .15rem .5rem; border-radius: 20px;
  font-size: .68rem; font-weight: 700;
}
.smk-badge-green { background: var(--smk-primary-10); color: var(--smk-primary); }
.smk-badge-red { background: rgba(231,76,60,.1); color: var(--smk-danger); }
.smk-badge-orange { background: rgba(243,156,18,.1); color: var(--smk-warning); }
.smk-badge-blue { background: rgba(52,152,219,.1); color: var(--smk-accent); }

/* ── BOTTOM NAV ────────────────────────── */
.smk-bottom-nav {
  position: fixed; bottom: 0; left: 0; right: 0;
  background: var(--smk-card); border-top: 1px solid var(--smk-border);
  display: flex; z-index: 1000;
  padding: .4rem 0 calc(.4rem + env(safe-area-inset-bottom, 0px));
}
.smk-nav-btn {
  flex: 1; display: flex; flex-direction: column; align-items: center; gap: 1px;
  background: none; border: none; color: var(--smk-txt4);
  font-size: .6rem; font-weight: 700; cursor: pointer;
  padding: .4rem 0; font-family: inherit; transition: .15s;
}
.smk-nav-btn i { font-size: 1.1rem; }
.smk-nav-btn.active { color: var(--smk-primary); }

/* ── EMPTY ─────────────────────────────── */
.smk-empty {
  text-align: center; padding: 2rem 1rem; color: var(--smk-txt3);
}
.smk-empty i { font-size: 2.5rem; margin-bottom: .5rem; display: block; color: var(--smk-txt4); }

/* ── MODAL ─────────────────────────────── */
.smk-modal {
  position: fixed; inset: 0; background: rgba(0,0,0,.7);
  backdrop-filter: blur(6px); z-index: 2000;
  display: flex; align-items: flex-end; justify-content: center;
}
.smk-modal-content {
  background: var(--smk-card); border-radius: var(--smk-r) var(--smk-r) 0 0;
  width: 100%; max-width: 500px; max-height: 90vh; overflow-y: auto;
  padding: 1.25rem; animation: smkSlideUp .25s ease;
}
@media(min-width:600px) {
  .smk-modal { align-items: center; }
  .smk-modal-content { border-radius: var(--smk-r); }
}
@keyframes smkSlideUp { from { transform: translateY(100%); } to { transform: translateY(0); } }
.smk-modal-handle {
  width: 36px; height: 4px; background: var(--smk-txt4);
  border-radius: 2px; margin: 0 auto .75rem;
}

/* ── FACTURA PRINT ─────────────────────── */
.factura-receipt {
  background: #fff; color: #111; border-radius: 8px;
  padding: 1rem; font-size: .8rem; max-width: 300px; margin: 0 auto;
}
.factura-receipt h4 { text-align: center; font-size: .9rem; margin-bottom: .3rem; }
.factura-receipt .sep { border-top: 1px dashed #ccc; margin: .4rem 0; }
.factura-receipt .row { display: flex; justify-content: space-between; padding: .1rem 0; }
.factura-receipt .total-row { font-weight: 800; font-size: .95rem; border-top: 2px solid #111; padding-top: .3rem; margin-top: .3rem; }

/* ── RESPONSIVE ────────────────────────── */
@media(max-width:480px) {
  .smk-stats { grid-template-columns: 1fr 1fr; gap: .4rem; }
  .smk-stat { padding: .6rem; }
  .smk-stat-val { font-size: 1rem; }
  .pos-scanner-input { font-size: .9rem; }
}

/* ── ANIMATIONS ────────────────────────── */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.spin { animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }