/* ==========================================================================
   A3 Solution - Internal Billing & Quotation Suite Stylesheet
   Emisor: Carlos Girón (RUC: 8-963-952 DV 35)
   ========================================================================== */

:root {
  --bg-main: #0B1120;
  --bg-surface: #111B2E;
  --bg-card: rgba(17, 27, 46, 0.75);
  --bg-glass: rgba(255, 255, 255, 0.04);
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-focus: #3B82F6;
  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --accent-primary: #2563EB;
  --accent-glow: #38BDF8;
  --accent-success: #10B981;
  --accent-warning: #F59E0B;
  --accent-danger: #EF4444;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="light"] {
  --bg-main: #F1F5F9;
  --bg-surface: #FFFFFF;
  --bg-card: rgba(255, 255, 255, 0.95);
  --bg-glass: rgba(0, 0, 0, 0.02);
  --border-glass: rgba(0, 0, 0, 0.08);
  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #94A3B8;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(37, 99, 235, 0.12) 0%, transparent 40%),
    radial-gradient(circle at 85% 85%, rgba(56, 189, 248, 0.08) 0%, transparent 40%);
  background-attachment: fixed;
}

.font-outfit { font-family: 'Outfit', sans-serif; }
.font-mono { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; }

/* Grid & Flexbox Utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-1 { flex: 1 1 0%; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-start { justify-content: flex-start; }
.justify-end { justify-content: flex-end; }

.grid { display: grid; }
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.grid-cols-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }

@media (min-width: 640px) {
  .sm\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 768px) {
  .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .md\:col-span-1 { grid-column: span 1 / span 1; }
  .md\:col-span-2 { grid-column: span 2 / span 2; }
  .md\:col-span-6 { grid-column: span 6 / span 6; }
  .md\:flex-row { flex-direction: row; }
  .md\:w-auto { width: auto; }
  .md\:w-64 { width: 16rem; }
}
@media (min-width: 1024px) {
  .lg\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .lg\:grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .lg\:col-span-2 { grid-column: span 2 / span 2; }
  .lg\:p-8 { padding: 2rem; }
}

.col-span-1 { grid-column: span 1 / span 1; }
.col-span-2 { grid-column: span 2 / span 2; }
.col-span-3 { grid-column: span 3 / span 3; }
.col-span-4 { grid-column: span 4 / span 4; }
.col-span-5 { grid-column: span 5 / span 5; }
.col-span-6 { grid-column: span 6 / span 6; }
.col-span-7 { grid-column: span 7 / span 7; }
.col-span-12 { grid-column: span 12 / span 12; }

/* Gaps */
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-5 { gap: 1.25rem; }
.gap-6 { gap: 1.5rem; }

/* Sizing */
.w-full { width: 100%; }
.w-16 { width: 4rem; } .h-16 { height: 4rem; }
.w-10 { width: 2.5rem; } .h-10 { height: 2.5rem; }
.w-9 { width: 2.25rem; } .h-9 { height: 2.25rem; }
.w-64 { width: 16rem; }
.w-32 { width: 8rem; }
.w-4 { width: 1rem; } .h-4 { height: 1rem; }
.w-1\.5 { width: 0.375rem; } .h-1\.5 { height: 0.375rem; }
.min-h-screen { min-height: 100vh; }
.max-w-md { max-width: 28rem; }
.max-w-lg { max-width: 32rem; }
.max-w-4xl { max-width: 56rem; }
.max-h-32 { max-height: 8rem; }

/* Spacing */
.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-2\.5 { padding: 0.625rem; }
.p-3 { padding: 0.75rem; }
.p-3\.5 { padding: 0.875rem; }
.p-4 { padding: 1rem; }
.p-5 { padding: 1.25rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }

.px-2 { padding-left: 0.5rem; padding-right: 0.5rem; }
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.py-1\.5 { padding-top: 0.375rem; padding-bottom: 0.375rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-2\.5 { padding-top: 0.625rem; padding-bottom: 0.625rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }

.pt-1 { padding-top: 0.25rem; }
.pt-2 { padding-top: 0.5rem; }
.pt-3 { padding-top: 0.75rem; }
.pt-4 { padding-top: 1rem; }
.pb-3 { padding-bottom: 0.75rem; }
.pb-4 { padding-bottom: 1rem; }
.pb-6 { padding-bottom: 1.5rem; }

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-1\.5 { margin-bottom: 0.375rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mx-auto { margin-left: auto; margin-right: auto; }
.ml-64 { margin-left: 16rem; }

.space-y-0\.5 > * + * { margin-top: 0.125rem; }
.space-y-1 > * + * { margin-top: 0.25rem; }
.space-y-1\.5 > * + * { margin-top: 0.375rem; }
.space-y-2 > * + * { margin-top: 0.5rem; }
.space-y-2\.5 > * + * { margin-top: 0.625rem; }
.space-y-3 > * + * { margin-top: 0.75rem; }
.space-y-4 > * + * { margin-top: 1rem; }
.space-y-5 > * + * { margin-top: 1.25rem; }
.space-y-6 > * + * { margin-top: 1.5rem; }
.space-x-1 > * + * { margin-left: 0.25rem; }
.space-x-2 > * + * { margin-left: 0.5rem; }

/* Typography */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-\[10px\] { font-size: 10px; }
.text-\[11px\] { font-size: 11px; }
.text-xs { font-size: 0.75rem; line-height: 1rem; }
.text-sm { font-size: 0.875rem; line-height: 1.25rem; }
.text-base { font-size: 1rem; line-height: 1.5rem; }
.text-lg { font-size: 1.125rem; line-height: 1.75rem; }
.text-xl { font-size: 1.25rem; line-height: 1.75rem; }
.text-2xl { font-size: 1.5rem; line-height: 2rem; }
.text-3xl { font-size: 1.875rem; line-height: 2.25rem; }

.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-black { font-weight: 900; }
.uppercase { text-transform: uppercase; }
.tracking-wider { letter-spacing: 0.05em; }
.tracking-widest { letter-spacing: 0.1em; }
.leading-tight { line-height: 1.25; }
.leading-relaxed { line-height: 1.625; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.block { display: block; }
.inline-block { display: inline-block; }

/* Colors */
.text-white { color: #FFFFFF; }
.text-slate-100 { color: #F1F5F9; }
.text-slate-200 { color: #E2E8F0; }
.text-slate-300 { color: #CBD5E1; }
.text-slate-400 { color: #94A3B8; }
.text-slate-500 { color: #64748B; }
.text-blue-400 { color: #60A5FA; }
.text-cyan-400 { color: #22D3EE; }
.text-emerald-400 { color: #34D399; }
.text-emerald-500 { color: #10B981; }
.text-amber-400 { color: #FBBF24; }
.text-amber-500 { color: #F59E0B; }
.text-amber-600 { color: #D97706; }
.text-red-300 { color: #FCA5A5; }
.text-red-400 { color: #F87171; }
.text-red-600 { color: #DC2626; }
.text-purple-400 { color: #C084FC; }

/* Backgrounds & Borders */
.bg-slate-900\/80 { background-color: rgba(15, 23, 42, 0.85); }
.bg-slate-800\/40 { background-color: rgba(30, 41, 59, 0.4); }
.bg-slate-50 { background-color: #F8FAFC; }
.bg-black\/20 { background-color: rgba(0, 0, 0, 0.2); }
.bg-black\/30 { background-color: rgba(0, 0, 0, 0.3); }
.bg-white\/\[0\.02\] { background-color: rgba(255, 255, 255, 0.02); }
.bg-white\/\[0\.03\] { background-color: rgba(255, 255, 255, 0.03); }
.bg-blue-600\/30 { background-color: rgba(37, 99, 235, 0.3); }
.bg-blue-500\/20 { background-color: rgba(59, 130, 246, 0.2); }
.bg-emerald-500\/20 { background-color: rgba(16, 185, 129, 0.2); }
.bg-amber-500\/20 { background-color: rgba(245, 158, 11, 0.2); }
.bg-emerald-400 { background-color: #34D399; }
.bg-gradient-to-tr { background-image: linear-gradient(to top right, var(--tw-gradient-stops, #2563EB, #22D3EE)); }
.from-blue-600 { --tw-gradient-from: #2563EB; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(37, 99, 235, 0)); }
.to-cyan-400 { --tw-gradient-to: #22D3EE; }

.border { border-width: 1px; border-style: solid; }
.border-b { border-bottom-width: 1px; border-bottom-style: solid; }
.border-t { border-top-width: 1px; border-top-style: solid; }
.border-r { border-right-width: 1px; border-right-style: solid; }
.border-white\/5 { border-color: rgba(255, 255, 255, 0.05); }
.border-white\/10 { border-color: rgba(255, 255, 255, 0.1); }
.border-slate-200 { border-color: #E2E8F0; }
.border-blue-500 { border-color: #3B82F6; }
.border-amber-500\/30 { border-color: rgba(245, 158, 11, 0.3); }
.border-transparent { border-color: transparent; }

.rounded-lg { border-radius: 0.5rem; }
.rounded-xl { border-radius: 0.75rem; }
.rounded-2xl { border-radius: 1rem; }
.rounded-full { border-radius: 9999px; }

/* Positioning & Layout */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.top-0 { top: 0px; }
.bottom-0 { bottom: 0px; }
.left-3 { left: 0.75rem; }
.left-3\.5 { left: 0.875rem; }
.top-2\.5 { top: 0.625rem; }
.top-3\.5 { top: 0.875rem; }
.z-30 { z-index: 30; }
.overflow-hidden { overflow: hidden; }
.overflow-x-auto { overflow-x: auto; }
.overflow-y-auto { overflow-y: auto; }
.hidden { display: none !important; }

/* Animations */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .5; }
}
.animate-pulse { animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite; }

/* Glass Panels */
.glass-panel {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.5);
  transition: var(--transition);
}

.glass-panel:hover {
  border-color: rgba(255, 255, 255, 0.14);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.1);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 999px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-primary);
}

/* Form Controls */
.input-field {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text-primary);
  padding: 0.65rem 0.9rem;
  border-radius: var(--radius-sm);
  width: 100%;
  font-size: 0.885rem;
  outline: none;
  transition: var(--transition);
}

[data-theme="light"] .input-field {
  background: #FFFFFF;
  border-color: #CBD5E1;
  color: #0F172A;
}

.input-field:focus {
  border-color: var(--accent-glow);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.2);
  background: rgba(15, 23, 42, 0.85);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.875rem;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, #2563EB, #1D4ED8);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.4);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.6);
}

.btn-success {
  background: linear-gradient(135deg, #059669, #10B981);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.35);
}
.btn-success:hover {
  transform: translateY(-1px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  border: 1px solid var(--border-glass);
}
.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.14);
}

.btn-danger {
  background: rgba(239, 68, 68, 0.15);
  color: #F87171;
  border: 1px solid rgba(239, 68, 68, 0.3);
}
.btn-danger:hover {
  background: rgba(239, 68, 68, 0.3);
  color: #FFFFFF;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.badge-draft { background: rgba(148, 163, 184, 0.15); color: #94A3B8; border: 1px solid rgba(148, 163, 184, 0.3); }
.badge-sent { background: rgba(56, 189, 248, 0.15); color: #38BDF8; border: 1px solid rgba(56, 189, 248, 0.3); }
.badge-accepted { background: rgba(16, 185, 129, 0.15); color: #34D399; border: 1px solid rgba(16, 185, 129, 0.3); }
.badge-rejected { background: rgba(239, 68, 68, 0.15); color: #F87171; border: 1px solid rgba(239, 68, 68, 0.3); }
.badge-invoiced { background: rgba(168, 85, 247, 0.15); color: #C084FC; border: 1px solid rgba(168, 85, 247, 0.3); }
.badge-paid { background: rgba(16, 185, 129, 0.2); color: #10B981; border: 1px solid #10B981; }
.badge-partial { background: rgba(245, 158, 11, 0.15); color: #FBBF24; border: 1px solid rgba(245, 158, 11, 0.3); }
.badge-pending { background: rgba(239, 68, 68, 0.15); color: #F87171; border: 1px solid rgba(239, 68, 68, 0.3); }

/* Table */
.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th {
  text-align: left;
  padding: 0.85rem 1rem;
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border-glass);
}

.data-table td {
  padding: 1rem;
  font-size: 0.875rem;
  border-bottom: 1px solid var(--border-glass);
  vertical-align: middle;
}

.data-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

/* Modals */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5, 10, 20, 0.85);
  backdrop-filter: blur(8px);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background: #111B2E;
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 850px;
  max-height: 92vh;
  overflow-y: auto;
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.8);
  transform: scale(0.95);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.active .modal-card {
  transform: scale(1);
}

/* Toast Notifications */
#toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.toast {
  background: rgba(17, 27, 46, 0.95);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.875rem;
  animation: slideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ==========================================================================
   PRINT / PDF TEMPLATE STYLES (Letter Size: 8.5" x 11")
   ========================================================================== */
#print-area {
  display: none;
}

.sheet-print {
  width: 8.5in;
  min-height: 10.8in;
  background: #FFFFFF !important;
  color: #0F172A !important;
  padding: 0.55in;
  margin: 0 auto;
  box-sizing: border-box;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
  font-size: 9pt;
  line-height: 1.4;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.sheet-print h1, .sheet-print h2, .sheet-print h3, .sheet-print h4 {
  color: #0F172A !important;
}

@media print {
  @page {
    size: letter portrait;
    margin: 0.25in;
  }

  html, body {
    background: #FFFFFF !important;
    color: #000000 !important;
    background-image: none !important;
    margin: 0 !important;
    padding: 0 !important;
    overflow: visible !important;
    height: auto !important;
    font-size: 9.5pt !important;
  }

  /* HIDE ALL INTERFACE ELEMENTS COMPLETELY */
  #auth-screen,
  #decoy-screen,
  #app-layout,
  .modal-overlay,
  #toast-container,
  header,
  aside,
  nav,
  button,
  .no-print {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
    height: 0 !important;
    margin: 0 !important;
    padding: 0 !important;
  }

  /* SHOW ONLY THE DOCUMENT PRINT AREA */
  #print-area {
    display: block !important;
    visibility: visible !important;
    position: static !important;
    width: 100% !important;
    max-width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
    background: #FFFFFF !important;
    color: #0F172A !important;
  }

  #print-area * {
    visibility: visible !important;
  }

  #print-area .sheet-print {
    width: 100% !important;
    min-height: 100% !important;
    margin: 0 !important;
    padding: 0.2in !important;
    box-shadow: none !important;
    border: none !important;
    background: #FFFFFF !important;
    color: #0F172A !important;
  }
}