/* =============================================================================
   RC Tractoparts — Global Stylesheet
   Industrial / Heavy-Machinery Enterprise Theme
   Deep Navy + Slate Gray base · Emerald approved · Amber pending · Orange review
   ============================================================================= */

/* ===== 1. DESIGN TOKENS (CSS CUSTOM PROPERTIES) ===== */
:root {
  /* Backgrounds */
  --bg-deep:    #0F172A;   /* slate-900 — page base */
  --bg-surface: #1E293B;   /* slate-800 — cards, sidebar, topbar */
  --bg-raised:  #263448;   /* slightly lighter surface */
  --bg-hover:   #2E3F58;   /* hover state for rows / items */
  --bg-input:   #0F172A;   /* input fields */

  /* Borders */
  --border:      #334155;  /* slate-700 */
  --border-focus:#10B981;  /* emerald — focus ring */

  /* Text */
  --text-primary: #F1F5F9; /* slate-100 */
  --text-secondary:#94A3B8;/* slate-400 */
  --text-muted:   #64748B; /* slate-500 */

  /* Accent — Status colors */
  --clr-green:  #10B981;   /* emerald-500 — Aprobada, Confirmada */
  --clr-amber:  #F59E0B;   /* amber-400   — Pendiente */
  --clr-orange: #F97316;   /* orange-500  — En revision */
  --clr-blue:   #3B82F6;   /* blue-500    — Enviada al cliente / primary action */
  --clr-violet: #8B5CF6;   /* violet-500  — Confirmada (client) */
  --clr-red:    #EF4444;   /* red-500     — Rechazada / danger */
  --clr-gray:   #6B7280;   /* gray-500    — Archivada / draft */

  /* Semantic role-colors */
  --clr-primary:       var(--clr-blue);
  --clr-success:       var(--clr-green);
  --clr-warning:       var(--clr-amber);
  --clr-danger:        var(--clr-red);

  /* Sizing */
  --sidebar-w: 260px;
  --topbar-h:  64px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  /* Shadows */
  --shadow-sm:  0 1px 3px rgba(0,0,0,.4);
  --shadow-md:  0 4px 12px rgba(0,0,0,.5);
  --shadow-lg:  0 12px 32px rgba(0,0,0,.6);
  /* Elevated hover shadow + colored accent glow for interactive elements */
  --shadow-hover: 0 8px 22px rgba(0,0,0,.55);
  --glow-primary: 0 4px 14px rgba(59,130,246,.45);
  --glow-success: 0 4px 14px rgba(16,185,129,.40);
  --glow-danger:  0 4px 14px rgba(239,68,68,.40);

  /* Transitions */
  --transition: 150ms ease;
  --transition-smooth: all 0.2s ease;
}

/* ===== 2. BASE RESET & GLOBAL ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', system-ui, -apple-system, 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

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

ul, ol { list-style: none; }

img { max-width: 100%; display: block; }

:focus-visible {
  outline: 2px solid var(--clr-green);
  outline-offset: 2px;
}

/* Custom scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-surface); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ===== 3. UTILITY ===== */
.hidden   { display: none !important; }
.sr-only  { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }
.truncate { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.text-sm  { font-size: .875rem; }
.text-xs  { font-size: .75rem; }
.text-muted { color: var(--text-muted); }
.fw-600   { font-weight: 600; }
.mt-1     { margin-top: .5rem; }
.mt-2     { margin-top: 1rem; }
.gap-1    { gap: .5rem; }
.flex     { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }

/* ===== 4. LAYOUT — PAGE SHELL (Dashboard) ===== */
.page-shell {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  min-height: 100vh;
}

.content-shell {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  overflow: hidden;
}

/* ===== 5. SIDEBAR ===== */
.sidebar {
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  width: var(--sidebar-w);
  height: 100vh;
  overflow-y: auto;
  z-index: 100;
  flex-shrink: 0;
  transition: transform var(--transition);
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: 1.25rem 1rem;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.sidebar-logo-icon {
  width: auto;
  height: auto;
  max-width: 140px;
  background: transparent;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
  overflow: hidden;
}

.sidebar-logo-img {
  width: auto !important;
  height: auto !important;
  max-width: 140px;
  max-height: 56px;
  object-fit: contain;
  border-radius: var(--radius-sm);
}

.sidebar-logo-fallback {
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.sidebar-logo-text strong {
  display: block;
  font-size: .95rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: .03em;
}

.sidebar-logo-text span {
  font-size: .72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .08em;
}

.sidebar-nav {
  flex: 1;
  padding: .75rem 0;
}

.sidebar-section-label {
  padding: .5rem 1rem .25rem;
  font-size: .68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--text-muted);
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: .65rem;
  padding: .6rem 1rem;
  margin: 1px .5rem;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: .875rem;
  font-weight: 500;
  cursor: pointer;
  border: none;
  background: none;
  width: calc(100% - 1rem);
  text-align: left;
  transition: background var(--transition), color var(--transition);
  border-left: 3px solid transparent;
}

.sidebar-link:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  text-decoration: none;
}

.sidebar-link.active {
  background: rgba(16,185,129,.12);
  color: var(--clr-green);
  border-left-color: var(--clr-green);
  font-weight: 600;
}

.sidebar-link .link-icon { font-size: 1rem; flex-shrink: 0; }

.sidebar-link-logout {
  color: var(--clr-red) !important;
  margin-top: .25rem;
}

.sidebar-link-logout:hover {
  background: rgba(239,68,68,.1) !important;
  color: var(--clr-red) !important;
}

.sidebar-footer {
  padding: 1rem;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: .6rem;
  overflow: hidden;
}

.sidebar-avatar {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, var(--clr-blue), #1d4ed8);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: .8rem; font-weight: 700; color: #fff;
  flex-shrink: 0;
}

.sidebar-user-info { overflow: hidden; }
.sidebar-user-info strong { display: block; font-size: .82rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sidebar-user-info small  { color: var(--text-muted); font-size: .7rem; }

/* ===== 6. TOP BAR ===== */
.topbar {
  height: var(--topbar-h);
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0 1.5rem;
  position: sticky;
  top: 0;
  z-index: 90;
  flex-shrink: 0;
}

.topbar-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.25rem;
  cursor: pointer;
  padding: .25rem;
  border-radius: var(--radius-sm);
}

.topbar-menu-btn:hover { background: var(--bg-hover); color: var(--text-primary); }

.topbar-title {
  font-size: 1rem;
  font-weight: 600;
  flex: 1;
  color: var(--text-primary);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: .75rem;
}

.topbar-username {
  font-size: .875rem;
  color: var(--text-secondary);
}

/* ===== 7. MAIN PAGE CONTENT ===== */
.page-content {
  flex: 1;
  overflow-y: auto;
  padding: 1.75rem;
  background: var(--bg-deep);
}

/* ===== 8. AUTH PAGE ===== */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background:
    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(16,185,129,.08) 0%, transparent 60%),
    var(--bg-deep);
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  box-shadow: var(--shadow-lg);
}

.auth-logo {
  text-align: center;
  margin-bottom: 2rem;
}

.auth-logo-icon {
  width: auto;
  height: auto;
  max-width: 160px;
  background: transparent;
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: .75rem;
  box-shadow: none;
  overflow: hidden;
}

.auth-logo-img {
  width: auto !important;
  height: auto !important;
  max-width: 160px;
  max-height: 72px;
  object-fit: contain;
  border-radius: var(--radius-md);
}

.auth-logo-fallback {
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
}

.auth-logo h1 {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: .02em;
}

.auth-logo p {
  font-size: .82rem;
  color: var(--text-muted);
  margin-top: .2rem;
  text-transform: uppercase;
  letter-spacing: .08em;
}

.auth-footer {
  text-align: center;
  margin-top: 1.5rem;
  font-size: .75rem;
  color: var(--text-muted);
}

/* ===== 9. BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .4rem;
  padding: .5rem 1rem;
  border-radius: var(--radius-sm);
  font-size: .875rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition-smooth);
  white-space: nowrap;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

.btn:hover:not(:disabled) { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.btn:active:not(:disabled) { transform: translateY(0); box-shadow: var(--shadow-sm); }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; box-shadow: none; }

.btn-primary  { background: var(--clr-blue);  color: #fff; border-color: var(--clr-blue);  }
.btn-primary:hover:not(:disabled)  { background: #2563eb; box-shadow: var(--glow-primary); }

.btn-success  { background: var(--clr-green); color: #fff; border-color: var(--clr-green); }
.btn-success:hover:not(:disabled)  { background: #059669; box-shadow: var(--glow-success); }

.btn-danger   { background: var(--clr-red);   color: #fff; border-color: var(--clr-red);   }
.btn-danger:hover:not(:disabled)   { background: #dc2626; box-shadow: var(--glow-danger); }

.btn-warning  { background: var(--clr-amber); color: #000; border-color: var(--clr-amber); }

.btn-ghost    { background: transparent; color: var(--text-secondary); border-color: var(--border); }
.btn-ghost:hover:not(:disabled) { background: var(--bg-hover); color: var(--text-primary); }

.btn-icon     { background: none; border: none; color: var(--text-muted); cursor: pointer; padding: .3rem; border-radius: var(--radius-sm); font-size: 1rem; line-height: 1; }
.btn-icon:hover { color: var(--text-primary); background: var(--bg-hover); }

.btn-full  { width: 100%; }
.btn-sm    { padding: .3rem .65rem; font-size: .8rem; }
.btn-lg    { padding: .65rem 1.4rem; font-size: 1rem; }

.btn-loading .btn-label { opacity: 0; }
.btn-loading .btn-spinner { display: inline-block !important; }

/* ===== 10. FORM CONTROLS ===== */
.form-group {
  margin-bottom: 1.1rem;
  position: relative;
}

.form-label {
  display: block;
  font-size: .82rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: .4rem;
  text-transform: uppercase;
  letter-spacing: .06em;
}

/* Delegación de Funciones — inline checkbox + caption (overrides block .form-label) */
.form-label.checkbox-label {
  display: flex;
  align-items: center;
  gap: .55rem;
  text-transform: none;
  letter-spacing: normal;
  cursor: pointer;
  margin-bottom: 0;
}
.form-label.checkbox-label input[type="checkbox"] {
  width: 1.05rem;
  height: 1.05rem;
  margin: 0;
  flex-shrink: 0;
  cursor: pointer;
}

.form-control {
  width: 100%;
  padding: .6rem .85rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: .9rem;
  transition: var(--transition-smooth);
  font-family: inherit;
}

.form-control::placeholder { color: var(--text-muted); }
.form-control:hover:not(:focus):not(:disabled) { border-color: var(--text-muted); }
.form-control:focus { outline: none; border-color: var(--clr-green); box-shadow: 0 0 0 3px rgba(16,185,129,.18); }
.form-control.is-invalid { border-color: var(--clr-red); box-shadow: 0 0 0 3px rgba(239,68,68,.18); }
.form-control.is-invalid:focus { border-color: var(--clr-red); }

select.form-control { cursor: pointer; }
select.form-control option { background: var(--bg-surface); }

textarea.form-control { resize: vertical; min-height: 90px; }

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: .75rem;
}

.field-error {
  display: block;
  margin-top: .25rem;
  font-size: .775rem;
  color: var(--clr-red);
  min-height: 1rem;
}

/* ── Password visibility toggle ── */
.input-password-wrapper {
  position: relative;
}

.input-password-wrapper .form-control {
  padding-right: 2.75rem;
}

.btn-password-toggle {
  position: absolute;
  right: .6rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  padding: .25rem;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: color var(--transition);
}

.btn-password-toggle:hover { color: var(--text-primary); }
.btn-password-toggle:focus-visible { outline: 2px solid var(--clr-green); outline-offset: 2px; }

.btn-password-toggle svg {
  width: 1.1rem;
  height: 1.1rem;
  pointer-events: none;
}

/* ===== 11. FORM ALERTS ===== */
.form-alert {
  padding: .7rem 1rem;
  border-radius: var(--radius-sm);
  font-size: .875rem;
  margin-bottom: 1rem;
  display: none;
}

.form-alert.show { display: block; }
.form-alert.alert-error   { background: rgba(239,68,68,.15);  border: 1px solid rgba(239,68,68,.4);  color: #fca5a5; }
.form-alert.alert-warning { background: rgba(245,158,11,.15); border: 1px solid rgba(245,158,11,.4); color: #fcd34d; }
.form-alert.alert-success { background: rgba(16,185,129,.15); border: 1px solid rgba(16,185,129,.4); color: #6ee7b7; }

/* ===== 12. BADGES / STATUS PILLS ===== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: .2rem .6rem;
  border-radius: 100px;
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  white-space: nowrap;
}

.badge-borrador         { background: rgba(107,114,128,.2);  color: #9ca3af; }
.badge-pendiente        { background: rgba(245,158,11,.2);   color: #fcd34d; }
.badge-en-revision      { background: rgba(249,115,22,.2);   color: #fdba74; }
.badge-aprobada         { background: rgba(16,185,129,.2);   color: #6ee7b7; }
.badge-enviada          { background: rgba(59,130,246,.2);   color: #93c5fd; }
.badge-confirmada       { background: rgba(139,92,246,.2);   color: #c4b5fd; }
.badge-aceptada         { background: rgba(139,92,246,.2);   color: #c4b5fd; }
.badge-rechazada        { background: rgba(239,68,68,.2);    color: #fca5a5; }
.badge-archivada        { background: rgba(100,116,139,.2);  color: #94a3b8; }

.badge-role-jefe        { background: rgba(16,185,129,.2);   color: var(--clr-green); }
.badge-role-ejecutivo   { background: rgba(59,130,246,.2);   color: var(--clr-blue);  }
.badge-role-admin       { background: rgba(245,158,11,.2);   color: var(--clr-amber); }
.badge-active           { background: rgba(16,185,129,.2);   color: var(--clr-green); }
.badge-inactive         { background: rgba(239,68,68,.2);    color: var(--clr-red);   }

/* ===== 13. CARDS ===== */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
}

.card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--bg-hover);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
}

.card-header h3, .card-header h4 {
  font-size: .95rem;
  font-weight: 600;
}

.card-body { padding: 1.25rem; }

.card-footer {
  padding: .75rem 1.25rem;
  border-top: 1px solid var(--border);
  background: rgba(255,255,255,.02);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: .5rem;
}

/* ===== 14. STATS GRID ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.1rem 1.25rem;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
}

.stat-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 4px; height: 100%;
  background: var(--stat-accent, var(--clr-blue));
}

.stat-card-value {
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1;
  color: var(--text-primary);
}

.stat-card-label {
  font-size: .75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .07em;
  margin-top: .35rem;
}

/* ===== 15. DATA TABLE ===== */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .875rem;
}

.data-table thead th {
  background: var(--bg-raised);
  padding: .65rem 1rem;
  text-align: left;
  font-size: .73rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .07em;
  white-space: nowrap;
  border-bottom: 1px solid var(--border);
}

.data-table tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}

.data-table tbody tr:last-child { border-bottom: none; }
.data-table tbody tr:hover { background: var(--bg-hover); }

.data-table tbody td {
  padding: .7rem 1rem;
  color: var(--text-primary);
  vertical-align: middle;
}

.table-actions {
  display: flex;
  gap: .35rem;
  align-items: center;
  flex-wrap: nowrap;
}

/* ===== 16. MODAL ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.65);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 2rem 1rem;
  z-index: 200;
  opacity: 0;
  visibility: hidden;
  transition: opacity .2s ease, visibility .2s ease;
  overflow-y: auto;
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal-dialog {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 680px;
  box-shadow: var(--shadow-lg);
  transform: translateY(-10px) scale(.98);
  transition: transform .2s ease;
  margin: auto;
  flex-shrink: 0;
}

.modal-overlay.open .modal-dialog {
  transform: translateY(0) scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.modal-header h3 { font-size: 1rem; font-weight: 700; }

.modal-body {
  padding: 1.5rem;
  max-height: 80vh;
  overflow-y: auto;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: .5rem;
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border);
}

/* ===== 17. TOAST NOTIFICATIONS ===== */
.toast-stack {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: .5rem;
  max-width: 340px;
}

.toast {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-left: 4px solid var(--clr-blue);
  border-radius: var(--radius-sm);
  padding: .75rem 1rem;
  font-size: .875rem;
  box-shadow: var(--shadow-md);
  transform: translateX(120%);
  opacity: 0;
  transition: transform .25s ease, opacity .25s ease;
}

.toast.toast-visible  { transform: translateX(0); opacity: 1; }
.toast.toast-success  { border-left-color: var(--clr-green); }
.toast.toast-error    { border-left-color: var(--clr-red);   }
.toast.toast-warning  { border-left-color: var(--clr-amber); }

/* ===== 18. DRAG & DROP ZONE ===== */
.drop-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius-md);
  padding: 2rem 1rem;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
  position: relative;
}

.drop-zone:hover,
.drop-zone.dragover {
  border-color: var(--clr-green);
  background: rgba(16,185,129,.05);
}

.drop-zone input[type="file"] {
  position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; height: 100%;
}

.drop-zone-icon { font-size: 2rem; margin-bottom: .5rem; color: var(--text-muted); }
.drop-zone-text { font-size: .875rem; color: var(--text-muted); }
.drop-zone-hint { font-size: .75rem; color: var(--text-muted); margin-top: .25rem; }
.drop-zone-file { font-size: .82rem; color: var(--clr-green); margin-top: .4rem; font-weight: 600; }

/* ===== 19. LINE ITEMS TABLE (Quotation Form) ===== */
.line-items-section { margin: 1.25rem 0; }

.line-items-section h4 {
  font-size: .82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-muted);
  margin-bottom: .65rem;
}

.line-items-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .84rem;
}

.line-items-table th {
  background: var(--bg-raised);
  padding: .5rem .6rem;
  text-align: left;
  font-size: .72rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .06em;
  border-bottom: 1px solid var(--border);
}

.line-items-table td {
  padding: .35rem .4rem;
  border-bottom: 1px solid rgba(51,65,85,.5);
  vertical-align: middle;
}

.line-items-table .item-input {
  width: 100%;
  padding: .3rem .45rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: .83rem;
  font-family: inherit;
}

.line-items-table .item-input:focus {
  outline: none;
  border-color: var(--clr-green);
  box-shadow: 0 0 0 2px rgba(16,185,129,.15);
}

.item-subtotal {
  font-weight: 600;
  color: var(--clr-green);
  white-space: nowrap;
  padding: .35rem .6rem;
  font-variant-numeric: tabular-nums;
}

.btn-remove-item {
  background: none;
  border: none;
  color: var(--clr-red);
  cursor: pointer;
  padding: .2rem .4rem;
  border-radius: 4px;
  font-size: .9rem;
  opacity: .7;
  transition: opacity var(--transition), background var(--transition);
}

.btn-remove-item:hover { opacity: 1; background: rgba(239,68,68,.1); }

.btn-add-item {
  margin-top: .6rem;
  font-size: .8rem;
}

/* ===== 20. TOTALS PANEL ===== */
.totals-panel {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  margin-top: 1rem;
}

.totals-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: .3rem 0;
  font-size: .875rem;
}

.totals-row + .totals-row { border-top: 1px solid var(--border); }

.totals-row.total-final {
  border-top: 2px solid var(--border);
  padding-top: .6rem;
  margin-top: .2rem;
  font-weight: 700;
  font-size: 1rem;
  color: var(--clr-green);
}

.totals-value {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}

/* ===== 21. EMPTY STATE ===== */
.empty-state {
  text-align: center;
  padding: 3rem 1.5rem;
  color: var(--text-muted);
}

.empty-state-icon { font-size: 2.5rem; margin-bottom: .75rem; opacity: .5; }
.empty-state h4   { font-size: .95rem; color: var(--text-secondary); margin-bottom: .35rem; }
.empty-state p    { font-size: .82rem; }

/* ===== 22. LOADING / SPINNER ===== */
.spinner {
  display: inline-block;
  width: 1em; height: 1em;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin .7s linear infinite;
  vertical-align: middle;
}

.spinner-lg {
  width: 2.5rem; height: 2.5rem;
  border-width: 3px;
}

.page-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 4rem;
  color: var(--text-muted);
  font-size: .875rem;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ===== 23. TABS ===== */
.tab-bar {
  display: flex;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.5rem;
  gap: .1rem;
  overflow-x: auto;
}

.tab-btn {
  background: none;
  border: none;
  padding: .65rem 1.1rem;
  font-size: .875rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
  white-space: nowrap;
  font-family: inherit;
}

.tab-btn:hover  { color: var(--text-secondary); }
.tab-btn.active { color: var(--clr-green); border-bottom-color: var(--clr-green); }

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ===== 24. PAGINATION ===== */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: 1rem 0 .5rem;
  font-size: .875rem;
}

.pagination-info { color: var(--text-muted); font-size: .8rem; }

/* ===== 25. FILTER BAR ===== */
.filter-bar {
  display: flex;
  gap: .65rem;
  flex-wrap: wrap;
  align-items: flex-end;
  padding: .75rem 1.25rem;
  background: var(--bg-raised);
  border-bottom: 1px solid var(--border);
}

.filter-bar .form-group { margin-bottom: 0; }
.filter-bar .form-label { font-size: .68rem; }
.filter-bar .form-control { font-size: .82rem; padding: .4rem .6rem; }

/* ===== 26. CONFIRMATION DIALOG ===== */
.confirm-dialog { text-align: center; padding: .5rem 0; }
.confirm-dialog h4 { font-size: 1rem; margin-bottom: .5rem; }
.confirm-dialog p  { font-size: .875rem; color: var(--text-secondary); margin-bottom: 1.25rem; }

/* ===== 27. RESPONSIVE ===== */
@media (max-width: 900px) {
  .page-shell { grid-template-columns: 1fr; }

  .sidebar {
    position: fixed;
    top: 0; left: 0;
    width: 260px;
    transform: translateX(-260px);
    z-index: 200;
  }

  .sidebar.sidebar-open { transform: translateX(0); }

  .topbar-menu-btn { display: block; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Tablets & large phones — sales reps creating/reviewing quotes on the go */
@media (max-width: 768px) {
  .page-content { padding: 1rem; }

  /* Card & modal chrome tightens up for narrow viewports */
  .card-header,
  .modal-header  { padding: .9rem 1rem; }
  .card-body     { padding: 1rem; }
  .modal-body    { padding: 1rem; }
  .modal-dialog  { max-width: 100%; }

  /* Forms collapse to a single column so fields are comfortably tappable */
  .form-row { grid-template-columns: 1fr; }

  /* Filter bar wraps instead of overflowing horizontally */
  .filter-bar { flex-wrap: wrap; }
  .filter-bar .form-group { flex: 1 1 auto; min-width: 140px; }

  /* Action buttons stretch full-width and stack for easy thumb access */
  .table-actions { flex-wrap: wrap; }
  .card-footer   { flex-direction: column-reverse; align-items: stretch; }
  .card-footer .btn { width: 100%; }

  /* Denser table typography to fit more columns before horizontal scroll */
  .data-table          { font-size: .8rem; }
  .data-table thead th { padding: .5rem .65rem; }
  .data-table tbody td { padding: .55rem .65rem; }

  .topbar-title { font-size: 1rem; }
}

@media (max-width: 600px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .auth-card   { padding: 1.75rem 1.25rem; }
  .page-content { padding: 1rem; }
  .modal-overlay { padding: 1rem .5rem; }
}

/* ===== 21. CLIENT SELECTOR / AUTOCOMPLETE ===== */
.client-select-wrapper {
  position: relative;
}

.client-search-group {
  display: flex;
  gap: .5rem;
  align-items: center;
}

.client-search-group .form-control {
  flex: 1;
  min-width: 0;
}

/* "Outline Green" variant — less prominent than btn-success */
.btn-outline-green {
  background: transparent;
  color: var(--clr-green);
  border-color: var(--clr-green);
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
}

.btn-outline-green:hover:not(:disabled) {
  background: rgba(16,185,129,.12);
  transform: translateY(-1px);
}

/* Autocomplete dropdown */
.client-dropdown {
  position: absolute;
  left: 0;
  top: calc(100% + 4px);
  width: 100%;
  max-height: 220px;
  overflow-y: auto;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  z-index: 500;
  display: none;
}

.client-dropdown.open { display: block; }

.client-dropdown-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  padding: .55rem .85rem;
  cursor: pointer;
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}

.client-dropdown-item:last-child { border-bottom: none; }

.client-dropdown-item:hover,
.client-dropdown-item:focus {
  background: var(--bg-hover);
  outline: none;
}

.cdi-name {
  flex: 1;
  font-size: .875rem;
  color: var(--text-primary);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cdi-nit {
  font-size: .75rem;
  color: var(--text-muted);
  white-space: nowrap;
  flex-shrink: 0;
}

.client-dropdown-empty {
  padding: .75rem 1rem;
  font-size: .85rem;
  color: var(--text-muted);
  text-align: center;
}

/* ===== 22. INFO ICON / TOOLTIP ===== */
/* Extend form-label to flex only when it contains an info icon */
.form-label:has(.info-icon) {
  display: flex;
  align-items: center;
  gap: .35rem;
}

.info-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: rgba(59,130,246,.2);
  color: var(--clr-blue);
  font-size: .7rem;
  font-weight: 700;
  cursor: default;
  position: relative;
  flex-shrink: 0;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

.info-icon::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  width: 280px;
  background: #1e293b;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: .6rem .75rem;
  font-size: .78rem;
  color: var(--text-secondary);
  font-weight: 400;
  line-height: 1.5;
  text-transform: none;
  letter-spacing: normal;
  box-shadow: var(--shadow-md);
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity 180ms ease, visibility 180ms ease;
  z-index: 600;
  white-space: normal;
}

.info-icon::before {
  content: '';
  position: absolute;
  bottom: calc(100% + 3px);
  left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-top-color: var(--border);
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity 180ms ease, visibility 180ms ease;
}

.info-icon:hover::after,
.info-icon:hover::before,
.info-icon:focus::after,
.info-icon:focus::before {
  opacity: 1;
  visibility: visible;
}

/* ===== 23. EXPRESS CLIENT SUB-MODAL ===== */
.sub-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.65);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  padding: 1rem;
  -webkit-backdrop-filter: blur(2px);
  backdrop-filter: blur(2px);
}

.sub-modal {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  width: 100%;
  max-width: 560px;
  box-shadow: var(--shadow-lg);
  animation: modal-pop .18s ease;
}

.sub-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
}

.sub-modal-header h4 {
  font-size: .95rem;
  font-weight: 600;
}

.sub-modal-body {
  padding: 1.25rem;
}

/* ===== 24. JEFE — APPROVAL STATE MACHINE BUTTONS ===== */
.approval-actions {
  margin-top: 1.5rem;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

.approval-actions-title {
  font-size: .82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.approval-actions-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .6rem;
}

.approval-actions-grid .btn-success {
  grid-column: 1 / -1; /* Approve spans full width to make it prominent */
  padding: .65rem 1rem;
  font-size: .95rem;
}

/* "Hold" state button */
.btn-hold {
  background: rgba(99,102,241,.15);
  color: #a5b4fc;
  border-color: rgba(99,102,241,.4);
  font-weight: 600;
}

.btn-hold:hover:not(:disabled) {
  background: rgba(99,102,241,.25);
  transform: translateY(-1px);
}

/* ===== 25. PROFORMA DETAIL VIEW ===== */
.proforma-detail {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.proforma-meta-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: .75rem;
  padding: 1rem;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
}

.proforma-meta-item .form-label {
  font-size: .7rem;
  margin-bottom: .2rem;
  display: block;
}

.proforma-meta-item p {
  font-size: .9rem;
  color: var(--text-primary);
}

.proforma-meta-item small {
  display: block;
  font-size: .72rem;
  color: var(--text-muted);
}

.proforma-description {
  color: var(--text-secondary);
  font-size: .875rem;
  line-height: 1.6;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: .65rem .85rem;
}

.proforma-items-wrapper {
  border-radius: var(--radius-sm);
}

.proforma-items-table .text-right { text-align: right; }

.proforma-totals {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: .85rem 1.1rem;
  margin-bottom: 1rem;
}

.proforma-total-row {
  display: flex;
  justify-content: space-between;
  padding: .3rem 0;
  font-size: .875rem;
  color: var(--text-secondary);
  border-bottom: 1px solid rgba(255,255,255,.05);
}

.proforma-total-row:last-child { border-bottom: none; }

.proforma-grand-total {
  color: var(--text-primary);
  font-size: 1rem;
  padding-top: .5rem;
  margin-top: .2rem;
}

.proforma-pdf-bar {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-bottom: .5rem;
}

/* Outline variant for PDF button */
.btn-outline {
  background: transparent;
  border-color: var(--border);
  color: var(--text-secondary);
}

.btn-outline:hover:not(:disabled) {
  background: var(--bg-hover);
  color: var(--text-primary);
}

/* ===== 26. EN ESPERA BADGE ===== */
.badge-en-espera {
  background: rgba(99,102,241,.2);
  color: #a5b4fc;
}

/* ===== 27. MODAL WIDE — for proforma detail view ===== */
.modal-dialog.modal-wide {
  max-width: 820px;
}

/* ===== 28. TABLE utilities ===== */
.text-right { text-align: right; }