/* ============================================================
   ADMIN PANEL — admin.css
   Paleta: Onyx + Rojo #D42B2B · Space Grotesk + Inter
   ============================================================ */

:root {
  --bg:           #0e0c0a;
  --surface:      #1a1815;
  --surface-2:    #242119;
  --primary:      #D42B2B;
  --primary-h:    #E83535;
  --primary-dim:  rgba(212,43,43,.12);
  --text:         #ffffff;
  --text-muted:   #9e9890;
  --text-dim:     #6b6560;
  --border:       rgba(255,255,255,.08);
  --border-gold:  rgba(212,43,43,.3);
  --success:      #4caf7d;
  --success-dim:  rgba(76,175,125,.12);
  --warning:      #f0a500;
  --warning-dim:  rgba(240,165,0,.12);
  --danger:       #e05252;
  --danger-dim:   rgba(224,82,82,.12);
  --info:         #5b6af0;
  --radius-s:     8px;
  --radius:       12px;
  --radius-l:     16px;
  --radius-xl:    24px;
  --shadow:       0 4px 24px rgba(0,0,0,.4);
  --shadow-gold:  0 0 20px rgba(212,43,43,.2);
  --f-title:      'Space Grotesk', sans-serif;
  --f-body:       'Inter', sans-serif;
  --topbar-h:     100px;
  --sidebar-w:    220px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; }
body { font-family: var(--f-body); background: var(--bg); color: var(--text); min-height: 100vh; }
img { display: block; max-width: 100%; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, select, textarea { font-family: inherit; font-size: 1rem; }
h1, h2, h3, h4 { font-family: var(--f-title); font-weight: 600; }

/* ── LOGIN ─────────────────────────────────────────────────── */
.login-screen {
  min-height: 100vh; display: flex;
  align-items: center; justify-content: center; padding: 20px;
}
.login-card {
  width: 100%; max-width: 400px;
  background: var(--surface); border-radius: var(--radius-l);
  border: 1px solid var(--border); padding: 40px 32px;
  display: flex; flex-direction: column; gap: 24px;
}
.login-logo { text-align: center; }
.login-logo h1 { font-size: 1.6rem; color: var(--primary); margin-bottom: 4px; }
.login-logo p  { color: var(--text-muted); font-size: .9rem; }
.login-form    { display: flex; flex-direction: column; gap: 14px; }
.login-error {
  padding: 10px 14px; border-radius: var(--radius-s);
  background: var(--danger-dim); border: 1px solid var(--danger);
  color: var(--danger); font-size: .85rem; display: none;
}
.login-error.show { display: block; }

/* ── ADMIN SHELL ───────────────────────────────────────────── */
.admin-shell { display: none; min-height: 100vh; }
.admin-shell.visible { display: flex; flex-direction: column; }
@media (min-width: 900px) {
  .admin-shell.visible {
    display: grid;
    grid-template-columns: var(--sidebar-w) 1fr;
    grid-template-rows: var(--topbar-h) 1fr;
    grid-template-areas: "top top" "side main";
  }
}

/* ── TOPBAR ────────────────────────────────────────────────── */
.topbar {
  grid-area: top;
  height: var(--topbar-h); background: rgba(14,12,10,.95);
  backdrop-filter: blur(12px); border-bottom: 1px solid var(--border);
  display: flex; align-items: center; padding: 0 20px; gap: 14px;
  position: sticky; top: 0; z-index: 50;
}
.topbar-brand { font-family: var(--f-title); font-weight: 700; color: var(--primary); font-size: 1rem; flex: 1; }
.topbar-user  { font-size: .8rem; color: var(--text-muted); }
.btn-logout {
  padding: 7px 14px; border-radius: var(--radius-s);
  border: 1px solid var(--border); color: var(--text-muted); font-size: .8rem; transition: all .2s;
}
.btn-logout:hover { border-color: var(--danger); color: var(--danger); }
.menu-toggle { display: flex; flex-direction: column; gap: 4px; padding: 8px; }
.menu-toggle span { width: 20px; height: 2px; background: var(--text-muted); border-radius: 2px; }
@media (min-width: 900px) { .menu-toggle { display: none; } }

/* ── SIDEBAR ───────────────────────────────────────────────── */
.sidebar {
  grid-area: side;
  background: var(--surface); border-right: 1px solid var(--border);
  padding: 16px 10px;
  position: sticky; top: var(--topbar-h);
  height: calc(100vh - var(--topbar-h)); overflow-y: auto;
}
.sidebar-nav { display: flex; flex-direction: column; gap: 4px; }
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px; border-radius: var(--radius);
  color: var(--text-muted); font-size: .88rem; font-weight: 500;
  cursor: pointer; border: 1px solid transparent; transition: all .2s;
}
.nav-item:hover { background: var(--surface-2); color: var(--text); }
.nav-item.active { background: var(--primary-dim); border-color: var(--border-gold); color: var(--primary); }
.nav-item .icon { font-size: 1.05rem; width: 20px; text-align: center; }
@media (max-width: 899px) {
  .sidebar {
    display: none; position: fixed;
    top: var(--topbar-h); left: 0; right: 0; bottom: 0;
    z-index: 40; height: auto;
  }
  .sidebar.open { display: block; }
}

/* ── MAIN CONTENT ──────────────────────────────────────────── */
.admin-main { grid-area: main; padding: 24px; overflow-y: auto; }
.tab-pane { display: none; }
.tab-pane.active { display: block; }

/* ── PAGE HEADER ───────────────────────────────────────────── */
.page-hd {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 16px; margin-bottom: 24px; flex-wrap: wrap;
}
.page-hd h2  { font-size: 1.4rem; }
.page-sub    { color: var(--text-muted); font-size: .88rem; margin-top: 2px; }

/* ── STATS ─────────────────────────────────────────────────── */
.stats-row {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-bottom: 24px;
}
@media (min-width: 600px) { .stats-row { grid-template-columns: repeat(4, 1fr); } }
.stat-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-l); padding: 16px;
}
.stat-label { font-size: .75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: .04em; }
.stat-value { font-family: var(--f-title); font-size: 1.5rem; font-weight: 700; color: var(--primary); margin-top: 4px; }
.stat-sub   { font-size: .75rem; color: var(--text-dim); margin-top: 2px; }

/* ── BUTTONS ───────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 20px; border-radius: var(--radius);
  background: var(--primary); color: var(--bg);
  font-weight: 600; font-size: .9rem; font-family: var(--f-title);
  min-height: 44px; transition: all .2s;
}
.btn-primary:hover { background: var(--primary-h); box-shadow: var(--shadow-gold); }
.btn-primary:disabled { opacity: .6; cursor: not-allowed; }

.btn-sm {
  padding: 7px 14px; border-radius: var(--radius-s);
  border: 1px solid var(--border); color: var(--text-muted);
  font-size: .82rem; transition: all .2s;
}
.btn-sm:hover         { border-color: var(--primary); color: var(--primary); }
.btn-sm.danger:hover  { border-color: var(--danger);  color: var(--danger);  }
.btn-sm.success       { border-color: var(--success);  color: var(--success);  background: var(--success-dim); }

/* ── FORM ──────────────────────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label {
  font-size: .8rem; font-weight: 600;
  color: var(--text-muted); text-transform: uppercase; letter-spacing: .04em;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%; padding: 10px 13px;
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: var(--radius-s); color: var(--text); font-size: .95rem;
  min-height: 44px; transition: border-color .2s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-dim); }
.form-group select { appearance: none; cursor: pointer; }
.form-group textarea { min-height: 80px; resize: vertical; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 480px) { .form-grid { grid-template-columns: 1fr; } }
.form-full { grid-column: 1 / -1; }

/* ── CARD ──────────────────────────────────────────────────── */
.card {
  background: var(--surface); border-radius: var(--radius-l);
  border: 1px solid var(--border); overflow: hidden; margin-bottom: 20px;
}
.card-hd {
  padding: 14px 18px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.card-hd h3 { font-size: .95rem; }
.card-body  { padding: 18px; }

/* ── TABLE ─────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .87rem; }
thead tr { border-bottom: 1px solid var(--border); }
thead th {
  padding: 10px 12px; text-align: left;
  font-size: .73rem; font-weight: 600;
  color: var(--text-muted); text-transform: uppercase;
  letter-spacing: .05em; white-space: nowrap;
}
tbody tr { border-bottom: 1px solid var(--border); transition: background .15s; }
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: var(--surface-2); }
tbody td { padding: 12px; vertical-align: middle; }

/* ── SEARCH ────────────────────────────────────────────────── */
.search-wrap { position: relative; margin-bottom: 14px; }
.search-wrap input {
  width: 100%; padding: 10px 14px 10px 38px;
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: var(--radius); color: var(--text);
  font-size: .9rem; min-height: 44px; transition: border-color .2s;
}
.search-wrap input:focus { outline: none; border-color: var(--primary); }
.search-icon { position: absolute; left: 13px; top: 50%; transform: translateY(-50%); color: var(--text-dim); pointer-events: none; }

/* ── PRODUCT ADMIN ITEM ────────────────────────────────────── */
.prod-row {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 18px; border-bottom: 1px solid var(--border);
  transition: background .15s;
}
.prod-row:last-child { border-bottom: none; }
.prod-row:hover { background: var(--surface-2); }
.prod-thumb {
  width: 52px; height: 52px; border-radius: var(--radius-s);
  overflow: hidden; background: var(--surface-2); flex-shrink: 0;
  display: flex; align-items: center; justify-content: center; font-size: 1.4rem;
}
.prod-thumb img { width: 100%; height: 100%; object-fit: cover; }
.prod-info { flex: 1; min-width: 0; }
.prod-nom  { font-weight: 600; font-size: .92rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.prod-meta { font-size: .78rem; color: var(--text-muted); margin-top: 2px; }
.prod-stock-val {
  font-family: var(--f-title); font-weight: 700; font-size: 1rem;
  min-width: 48px; text-align: right;
}
.prod-stock-val.ok   { color: var(--success); }
.prod-stock-val.poco { color: var(--warning); }
.prod-stock-val.cero { color: var(--danger);  }
.prod-actions { display: flex; gap: 6px; align-items: center; }

/* Toggle on/off */
.toggle {
  width: 38px; height: 22px; border-radius: 999px;
  border: 1px solid var(--border); background: var(--surface-2);
  position: relative; cursor: pointer; transition: all .2s; flex-shrink: 0;
}
.toggle::after {
  content: ''; position: absolute; top: 3px; left: 3px;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--text-dim); transition: all .2s;
}
.toggle.on { background: var(--success-dim); border-color: var(--success); }
.toggle.on::after { left: 19px; background: var(--success); }

/* ── BADGES ────────────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 10px; border-radius: 999px;
  font-size: .72rem; font-weight: 600; white-space: nowrap;
}
.b-pending   { background: var(--warning-dim);             color: var(--warning); }
.b-confirmed { background: rgba(91,106,240,.12);            color: var(--info);    }
.b-preparing { background: rgba(212,43,43,.15);              color: var(--primary); }
.b-ready     { background: var(--success-dim);              color: var(--success); }
.b-delivered { background: rgba(255,255,255,.05);           color: var(--text-dim); }
.b-cancelled { background: var(--danger-dim);               color: var(--danger);  }
.b-mayorista { background: var(--primary-dim);              color: var(--primary); }
.b-minorista { background: rgba(255,255,255,.05);           color: var(--text-muted); }
.b-ingreso   { background: var(--success-dim);              color: var(--success); }
.b-venta     { background: rgba(91,106,240,.12);            color: var(--info);    }
.b-desperdicio { background: var(--danger-dim);             color: var(--danger);  }
.b-ajuste    { background: var(--warning-dim);              color: var(--warning); }

/* ── STOCK TIPO TABS ───────────────────────────────────────── */
.tipo-tabs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 16px; }
.tipo-tab {
  padding: 10px; border-radius: var(--radius-s); border: 1px solid var(--border);
  color: var(--text-muted); font-size: .85rem; font-weight: 600;
  text-align: center; transition: all .2s;
}
.tipo-tab:hover { border-color: var(--primary); color: var(--primary); }
.tipo-tab.active.ingreso    { background: var(--success-dim); border-color: var(--success); color: var(--success); }
.tipo-tab.active.desperdicio{ background: var(--danger-dim);  border-color: var(--danger);  color: var(--danger);  }
.tipo-tab.active.ajuste     { background: var(--warning-dim); border-color: var(--warning); color: var(--warning); }

/* ── MODAL ─────────────────────────────────────────────────── */
.modal-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,.7); z-index: 500;
  align-items: flex-start; justify-content: center;
  padding: 20px; overflow-y: auto; backdrop-filter: blur(4px);
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--surface); border-radius: var(--radius-xl);
  border: 1px solid var(--border); width: 100%; max-width: 520px;
  padding: 28px; display: flex; flex-direction: column; gap: 20px;
  margin: auto; animation: mIn .22s ease;
}
@keyframes mIn { from { opacity: 0; transform: translateY(-16px) scale(.97); } to { opacity: 1; transform: none; } }
.modal-hd { display: flex; align-items: center; justify-content: space-between; }
.modal-hd h3 { font-size: 1.1rem; }
.modal-form { display: flex; flex-direction: column; gap: 14px; }
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; }

/* ── PEDIDO DETAIL ─────────────────────────────────────────── */
.pedido-detail {
  display: none; position: fixed; inset: 0; z-index: 400;
  background: var(--bg); overflow-y: auto; padding: 24px 16px;
}
.pedido-detail.open { display: block; }
.pedido-detail-inner { max-width: 680px; margin: 0 auto; }
.detail-section { background: var(--surface); border-radius: var(--radius-l); border: 1px solid var(--border); padding: 20px; margin-bottom: 16px; }
.detail-section h4 { font-size: .9rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: .05em; margin-bottom: 14px; }
.detail-kv { display: flex; justify-content: space-between; padding: 7px 0; font-size: .9rem; border-bottom: 1px solid var(--border); }
.detail-kv:last-child { border-bottom: none; }
.detail-kv span:first-child { color: var(--text-muted); }

.estado-btns { display: flex; gap: 8px; flex-wrap: wrap; }

/* ── TOAST / SPINNER ───────────────────────────────────────── */
.toast {
  position: fixed; bottom: 24px; left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--surface); border: 1px solid var(--border-gold);
  border-radius: var(--radius); padding: 12px 20px;
  color: var(--text); font-size: .9rem; font-weight: 500;
  z-index: 1000; box-shadow: var(--shadow); white-space: nowrap;
  transition: transform .3s cubic-bezier(.4,0,.2,1);
}
.toast.show { transform: translateX(-50%) translateY(0); }

.spinner {
  width: 18px; height: 18px; border-radius: 50%;
  border: 2px solid var(--border); border-top-color: var(--primary);
  animation: spin .7s linear infinite; display: inline-block; vertical-align: middle;
}
@keyframes spin { to { transform: rotate(360deg); } }