/* ============================================================
   ICONO SISTEMAS — ProformasICONO  |  app.css
   Dual-theme (light default, dark via OS preference + toggle)
   ============================================================ */

/* ── Design tokens ── */
:root {
  --ground:        #F3F5FA;
  --surface:       #FFFFFF;
  --surface-2:     #EEF1F9;
  --surface-3:     #E5E9F5;
  --accent:        #1B4DD8;
  --accent-soft:   #EBF0FB;
  --accent-mid:    #3D6EF5;
  --accent-text:   #1237A8;
  --text-1:        #0D1526;
  --text-2:        #4E596E;
  --text-3:        #8A95A8;
  --border:        #DDE2EF;
  --border-strong: #C4CADE;
  --c-ok:          #059669;
  --c-warn:        #D97706;
  --c-err:         #DC2626;
  --radius:        8px;
  --nav-h:         56px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ground:        #0C1220;
    --surface:       #14213A;
    --surface-2:     #1A2C4A;
    --surface-3:     #1F3458;
    --accent:        #4A7AFF;
    --accent-soft:   #162040;
    --accent-mid:    #6B96FF;
    --accent-text:   #93AFFF;
    --text-1:        #E6EBF8;
    --text-2:        #8A96B0;
    --text-3:        #5C6780;
    --border:        #1E2D4A;
    --border-strong: #28406A;
    --c-ok:          #10B981;
    --c-warn:        #F59E0B;
    --c-err:         #F87171;
  }
}

:root[data-theme="dark"] {
  --ground:        #0C1220;
  --surface:       #14213A;
  --surface-2:     #1A2C4A;
  --surface-3:     #1F3458;
  --accent:        #4A7AFF;
  --accent-soft:   #162040;
  --accent-mid:    #6B96FF;
  --accent-text:   #93AFFF;
  --text-1:        #E6EBF8;
  --text-2:        #8A96B0;
  --text-3:        #5C6780;
  --border:        #1E2D4A;
  --border-strong: #28406A;
  --c-ok:          #10B981;
  --c-warn:        #F59E0B;
  --c-err:         #F87171;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  background: var(--ground);
  color: var(--text-1);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

h1, h2, h3, h4 { font-family: 'Sora', sans-serif; line-height: 1.25; letter-spacing: -0.01em; }
h1 { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 700; }
h2 { font-size: 1.25rem; font-weight: 700; }
h3 { font-size: 1rem; font-weight: 600; }
h4 { font-size: 0.8rem; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; color: var(--text-3); }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Navbar ── */
.navbar {
  position: sticky; top: 0; z-index: 100;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  height: var(--nav-h);
}
.nav-inner {
  max-width: 1200px; margin: 0 auto;
  height: 100%; padding: 0 20px;
  display: flex; align-items: center; gap: 20px;
}
.nav-brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.nav-logo {
  width: 32px; height: 32px; background: var(--accent);
  border-radius: 7px; display: flex; align-items: center; justify-content: center;
  font-family: 'Sora', sans-serif; font-weight: 700; font-size: 0.8rem; color: #fff;
}
.nav-name { font-family: 'Sora', sans-serif; font-weight: 700; font-size: 0.95rem; color: var(--text-1); }
.nav-links { display: flex; align-items: center; gap: 4px; flex: 1; }
.nav-link {
  padding: 6px 12px; border-radius: 6px; font-size: 0.85rem;
  color: var(--text-2); text-decoration: none; white-space: nowrap;
  transition: background 0.15s, color 0.15s;
}
.nav-link:hover { background: var(--surface-2); color: var(--text-1); text-decoration: none; }
.nav-link.active { background: var(--accent-soft); color: var(--accent-text); }

.nav-user { display: flex; align-items: center; gap: 10px; margin-left: auto; }
.nav-user-name { font-size: 0.85rem; color: var(--text-2); }
.btn-logout {
  font-size: 1rem; cursor: pointer; color: var(--text-3);
  border: none; background: none; padding: 4px; line-height: 1;
}
.btn-logout:hover { color: var(--c-err); }
.theme-toggle {
  font-size: 1rem; cursor: pointer; border: none; background: none;
  color: var(--text-3); padding: 6px; border-radius: 6px;
}
.theme-toggle:hover { background: var(--surface-2); }

/* Role badges */
.badge-rol {
  font-family: 'JetBrains Mono', monospace; font-size: 0.62rem; font-weight: 600;
  padding: 2px 7px; border-radius: 20px; letter-spacing: 0.04em;
}
.badge-admin    { background: color-mix(in srgb, var(--accent) 15%, transparent); color: var(--accent-text); }
.badge-vendedor { background: color-mix(in srgb, var(--c-ok) 15%, transparent); color: var(--c-ok); }
.badge-gerente  { background: color-mix(in srgb, var(--c-warn) 15%, transparent); color: var(--c-warn); }

/* ── Flash messages ── */
.flash-container { max-width: 1200px; margin: 16px auto 0; padding: 0 20px; display: flex; flex-direction: column; gap: 8px; }
.flash {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: 12px 16px; border-radius: var(--radius);
  font-size: 0.88rem; border: 1px solid;
}
.flash button { background: none; border: none; cursor: pointer; font-size: 0.8rem; opacity: 0.6; }
.flash-ok      { background: color-mix(in srgb, var(--c-ok)   10%, var(--surface)); border-color: var(--c-ok);   color: var(--c-ok); }
.flash-error   { background: color-mix(in srgb, var(--c-err)  10%, var(--surface)); border-color: var(--c-err);  color: var(--c-err); }
.flash-warning { background: color-mix(in srgb, var(--c-warn) 10%, var(--surface)); border-color: var(--c-warn); color: var(--c-warn); }
.flash-info    { background: color-mix(in srgb, var(--accent)  10%, var(--surface)); border-color: var(--accent); color: var(--accent-text); }

/* ── Layout ── */
.main-content { flex: 1; max-width: 1200px; width: 100%; margin: 0 auto; padding: 32px 20px; }
.page-header { margin-bottom: 28px; }
.page-header h1 { margin-bottom: 4px; }
.page-header p { color: var(--text-2); font-size: 0.9rem; }

/* ── Cards ── */
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
}
.card-header {
  padding: 16px 20px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.card-body { padding: 20px; }
.card-footer { padding: 14px 20px; border-top: 1px solid var(--border); background: var(--surface-2); }

/* ── Grid ── */
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; }

/* ── Stat cards (dashboard) ── */
.stat-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px;
}
.stat-label { font-size: 0.78rem; color: var(--text-3); font-family: 'JetBrains Mono', monospace; letter-spacing: 0.03em; margin-bottom: 6px; }
.stat-value { font-size: 1.75rem; font-weight: 700; font-family: 'Sora', sans-serif; color: var(--text-1); line-height: 1; }
.stat-sub   { font-size: 0.78rem; color: var(--text-3); margin-top: 4px; }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 6px; cursor: pointer;
  font-family: 'DM Sans', sans-serif; font-size: 0.88rem; font-weight: 500;
  padding: 8px 16px; border-radius: 6px; border: 1px solid transparent;
  transition: background 0.15s, box-shadow 0.15s;
  text-decoration: none; white-space: nowrap;
}
.btn:hover { text-decoration: none; }
.btn-primary    { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-primary:hover { background: var(--accent-mid); }
.btn-secondary  { background: var(--surface-2); color: var(--text-1); border-color: var(--border); }
.btn-secondary:hover { background: var(--surface-3); }
.btn-danger     { background: color-mix(in srgb, var(--c-err) 10%, transparent); color: var(--c-err); border-color: var(--c-err); }
.btn-danger:hover { background: color-mix(in srgb, var(--c-err) 20%, transparent); }
.btn-sm { padding: 5px 10px; font-size: 0.8rem; }
.btn-lg { padding: 11px 22px; font-size: 0.95rem; }
.btn[disabled], .btn:disabled { opacity: 0.5; cursor: not-allowed; pointer-events: none; }

/* ── Forms ── */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 500; color: var(--text-2); margin-bottom: 6px; }
.form-control {
  width: 100%; padding: 9px 12px;
  background: var(--surface); color: var(--text-1);
  border: 1px solid var(--border); border-radius: 6px;
  font-family: inherit; font-size: 0.9rem;
  transition: border-color 0.15s;
}
.form-control:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.form-hint { font-size: 0.78rem; color: var(--text-3); margin-top: 4px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
select.form-control { cursor: pointer; }
textarea.form-control { resize: vertical; min-height: 80px; }

/* ── Tables ── */
.table-wrap { overflow-x: auto; }
table.data-table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
table.data-table th {
  text-align: left; padding: 10px 14px;
  background: var(--surface-2); color: var(--text-3);
  font-family: 'JetBrains Mono', monospace; font-size: 0.72rem;
  font-weight: 500; letter-spacing: 0.04em; border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
table.data-table td {
  padding: 10px 14px; border-bottom: 1px solid var(--border);
  color: var(--text-2); vertical-align: middle;
}
table.data-table tr:last-child td { border-bottom: none; }
table.data-table tr:hover td { background: var(--surface-2); }
table.data-table td.num { text-align: right; font-family: 'JetBrains Mono', monospace; font-variant-numeric: tabular-nums; }
table.data-table td.actions { display: flex; gap: 6px; flex-wrap: wrap; }

/* ── Upload zone ── */
.upload-zone {
  border: 2px dashed var(--border-strong); border-radius: var(--radius);
  padding: 40px 20px; text-align: center; cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}
.upload-zone:hover, .upload-zone.drag-over {
  border-color: var(--accent); background: var(--accent-soft);
}
.upload-zone input[type=file] { display: none; }
.upload-icon { font-size: 2.5rem; margin-bottom: 12px; }
.upload-zone p { color: var(--text-2); font-size: 0.9rem; max-width: none; }
.upload-zone .hint { font-size: 0.78rem; color: var(--text-3); margin-top: 6px; }

/* ── Mapping table ── */
.map-table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
.map-table th { padding: 8px 12px; background: var(--surface-2); text-align: left; font-size: 0.72rem; color: var(--text-3); border-bottom: 1px solid var(--border); font-family: 'JetBrains Mono', monospace; }
.map-table td { padding: 8px 12px; border-bottom: 1px solid var(--border); }
.map-table tr:last-child td { border-bottom: none; }
.col-sample { font-family: 'JetBrains Mono', monospace; font-size: 0.75rem; color: var(--text-3); max-width: 200px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ── Product search ── */
.search-bar {
  display: flex; gap: 12px; flex-wrap: wrap;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px; margin-bottom: 20px;
}
.search-bar .form-group { margin-bottom: 0; flex: 1; min-width: 140px; }

.product-results { display: flex; flex-direction: column; gap: 12px; }
.product-card {
  display: grid; grid-template-columns: 1fr auto;
  gap: 16px; align-items: start;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px;
  transition: border-color 0.15s;
}
.product-card:hover { border-color: var(--accent); }
.product-card.selected { border-color: var(--accent); background: var(--accent-soft); }
.product-name { font-weight: 600; color: var(--text-1); font-size: 0.92rem; margin-bottom: 4px; }
.product-meta { font-size: 0.78rem; color: var(--text-3); display: flex; flex-wrap: wrap; gap: 10px; font-family: 'JetBrains Mono', monospace; }
.product-price { text-align: right; }
.price-label { font-size: 0.68rem; color: var(--text-3); font-family: 'JetBrains Mono', monospace; display: block; }
.price-neto  { font-size: 1.1rem; font-weight: 700; color: var(--text-1); font-variant-numeric: tabular-nums; }
.price-venta { font-size: 1rem; font-weight: 700; color: var(--accent); font-variant-numeric: tabular-nums; }
.price-margen { font-size: 0.72rem; color: var(--c-ok); }

/* Atributo badges */
.attr-badge {
  display: inline-flex; align-items: center;
  background: var(--surface-2); color: var(--text-2);
  border: 1px solid var(--border); border-radius: 4px;
  padding: 1px 7px; font-size: 0.72rem;
  font-family: 'JetBrains Mono', monospace;
}

/* ── Proforma preview ── */
.pf-preview {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden; max-width: 760px; margin: 0 auto;
}
.pf-top {
  background: var(--accent); padding: 20px 24px;
  display: grid; grid-template-columns: 1fr auto; gap: 16px; align-items: start;
}
.pf-top h2 { color: #fff; font-size: 1rem; }
.pf-top-right { text-align: right; }
.pf-top-right .pf-num { font-family: 'JetBrains Mono', monospace; font-size: 0.9rem; color: rgba(255,255,255,0.9); }
.pf-top-right .pf-date { font-size: 0.75rem; color: rgba(255,255,255,0.65); }

.pf-body { padding: 20px 24px; }
.pf-cliente { margin-bottom: 20px; }
.pf-cliente h4 { margin-bottom: 8px; }
.pf-cliente p { font-size: 0.88rem; color: var(--text-2); margin: 2px 0; max-width: none; }

.pf-items-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; margin-bottom: 16px; }
.pf-items-table th { padding: 8px 10px; background: var(--surface-2); font-family: 'JetBrains Mono', monospace; font-size: 0.68rem; color: var(--text-3); border-bottom: 1px solid var(--border); text-align: left; }
.pf-items-table td { padding: 9px 10px; border-bottom: 1px solid var(--border); color: var(--text-2); }
.pf-items-table tr:last-child td { border-bottom: none; }
.pf-items-table td.r { text-align: right; font-family: 'JetBrains Mono', monospace; font-variant-numeric: tabular-nums; }

.pf-totals { display: flex; flex-direction: column; align-items: flex-end; gap: 5px; margin-bottom: 16px; }
.pf-total-row { display: flex; gap: 24px; font-size: 0.85rem; }
.pf-total-row .l { color: var(--text-3); }
.pf-total-row .v { font-family: 'JetBrains Mono', monospace; font-variant-numeric: tabular-nums; color: var(--text-1); min-width: 90px; text-align: right; }
.pf-total-row.grand .v { color: var(--accent); font-weight: 700; font-size: 1rem; }

.pf-footer-strip { padding: 12px 24px; background: var(--surface-2); border-top: 1px solid var(--border); font-size: 0.72rem; color: var(--text-3); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 4px; }

/* ── Internal report (margen interno) ── */
.internal-report { background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; margin-top: 16px; }
.internal-report h4 { margin-bottom: 10px; }
.margin-row { display: flex; justify-content: space-between; padding: 6px 0; border-bottom: 1px solid var(--border); font-size: 0.85rem; }
.margin-row:last-child { border-bottom: none; }
.margin-row .ok { color: var(--c-ok); font-weight: 600; font-family: 'JetBrains Mono', monospace; }

/* ── Pagination ── */
.pagination { display: flex; gap: 4px; flex-wrap: wrap; margin-top: 16px; }
.pagination a, .pagination span {
  padding: 6px 12px; border-radius: 6px; font-size: 0.85rem;
  border: 1px solid var(--border); background: var(--surface);
  color: var(--text-2); text-decoration: none;
}
.pagination a:hover { background: var(--surface-2); text-decoration: none; }
.pagination .current { background: var(--accent); color: #fff; border-color: var(--accent); }

/* ── Empty state ── */
.empty-state { text-align: center; padding: 48px 20px; }
.empty-state-icon { font-size: 3rem; margin-bottom: 12px; }
.empty-state h3 { color: var(--text-1); margin-bottom: 6px; }
.empty-state p { color: var(--text-3); font-size: 0.88rem; max-width: none; }

/* ── Footer ── */
.footer { border-top: 1px solid var(--border); background: var(--surface); margin-top: auto; }
.footer-inner { max-width: 1200px; margin: 0 auto; padding: 14px 20px; display: flex; justify-content: space-between; font-size: 0.78rem; color: var(--text-3); font-family: 'JetBrains Mono', monospace; }

/* ── Utilities ── */
.text-ok   { color: var(--c-ok); }
.text-err  { color: var(--c-err); }
.text-warn { color: var(--c-warn); }
.text-sm   { font-size: 0.82rem; }
.text-mono { font-family: 'JetBrains Mono', monospace; }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-8  { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.flex  { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.hidden { display: none !important; }

/* ── Spinner ── */
.spinner { display: inline-block; width: 18px; height: 18px; border: 2px solid var(--border); border-top-color: var(--accent); border-radius: 50%; animation: spin 0.7s linear infinite; vertical-align: middle; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Responsive ── */
@media (max-width: 640px) {
  .form-row { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .product-card { grid-template-columns: 1fr; }
  .pf-top { grid-template-columns: 1fr; }
}