/* ==========================================================================
   SANTANA ESTUDIO CONTABLE - DESIGN SYSTEM & MAIN STYLESHEET
   Color Palette & Brand Identity matching Santana Estudio Contable Logo
   ========================================================================== */

:root {
  --font-primary: 'Inter', system-ui, -apple-system, sans-serif;
  --font-heading: 'Outfit', system-ui, -apple-system, sans-serif;

  /* Santana Brand Color Palette - Royal Navy & Metallic Gold */
  --bg-main: #060c1d;
  --bg-card: rgba(13, 27, 62, 0.85);
  --bg-card-hover: rgba(22, 45, 102, 0.9);
  --bg-input: #081026;
  
  --border-color: rgba(226, 186, 101, 0.25);
  --border-focus: #e2ba65;

  --text-main: #ffffff;
  --text-muted: #94a3b8;
  --text-gold: #f3d687;
  --text-light: #cbd5e1;

  /* Metallic Gold Palette */
  --gold-primary: #e2ba65;
  --gold-light: #f5db94;
  --gold-dark: #b88d32;
  --gold-gradient: linear-gradient(135deg, #f5db94 0%, #e2ba65 50%, #b88d32 100%);
  --gold-gradient-hover: linear-gradient(135deg, #ffffff 0%, #f5db94 50%, #e2ba65 100%);

  /* Royal Sapphire Palette */
  --blue-royal: #1142a3;
  --blue-gradient: linear-gradient(135deg, #071026 0%, #0d1b3e 45%, #1142a3 100%);
  --blue-card-gradient: linear-gradient(145deg, rgba(13, 27, 62, 0.9) 0%, rgba(7, 16, 38, 0.95) 100%);

  /* Status Colors */
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;
  --color-info: #38bdf8;
  --color-purple: #c084fc;

  /* Shadows & Glassmorphism Glow */
  --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.6);
  --shadow-gold-glow: 0 0 25px rgba(226, 186, 101, 0.3);
  --shadow-blue-glow: 0 0 25px rgba(17, 66, 163, 0.4);
  
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
}

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

body {
  font-family: var(--font-primary);
  background: var(--bg-main);
  background-image: 
    radial-gradient(circle at 10% 10%, rgba(17, 66, 163, 0.35) 0%, transparent 40%),
    radial-gradient(circle at 90% 90%, rgba(226, 186, 101, 0.15) 0%, transparent 40%);
  background-attachment: fixed;
  color: var(--text-main);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* TOPBAR */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background: var(--blue-gradient);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
}

.brand {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.brand-logo-img {
  height: 52px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 0 8px rgba(226, 186, 101, 0.4));
}

.brand-text h1 {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: #ffffff;
}

.brand-text h1 span {
  color: var(--gold-primary);
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-text .subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.contribuyente-selector {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.cuit-search-quick {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.input-cuit-quick {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.5rem 0.85rem;
  color: var(--text-main);
  font-size: 0.85rem;
  width: 250px;
  outline: none;
}

.input-cuit-quick:focus {
  border-color: var(--gold-primary);
  box-shadow: 0 0 10px rgba(226, 186, 101, 0.25);
}

.dropzone-box {
  background: rgba(13, 27, 62, 0.6);
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem 2rem;
  margin-bottom: 1.5rem;
  transition: all 0.3s ease;
}

.dropzone-box.dragover {
  border-color: var(--gold-primary);
  background: rgba(226, 186, 101, 0.1);
  box-shadow: var(--shadow-gold-glow);
}

.dropzone-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.dropzone-icon {
  font-size: 2.2rem;
  color: var(--gold-primary);
}

.dropzone-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.cuit-badge {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(13, 27, 62, 0.8);
  border: 1px solid var(--border-color);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  box-shadow: 0 0 15px rgba(226, 186, 101, 0.1);
}

.cuit-badge i {
  font-size: 1.5rem;
  color: var(--gold-primary);
}

.cuit-info {
  display: flex;
  flex-direction: column;
}

.razon-social {
  font-weight: 700;
  font-size: 0.95rem;
  color: #ffffff;
}

.cuit-num {
  font-size: 0.8rem;
  color: var(--text-gold);
}

/* LIVE CONDITION BANNER */
.live-condition-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  padding: 1.25rem 2rem;
  background: rgba(6, 12, 29, 0.9);
  border-bottom: 1px solid var(--border-color);
}

.live-card {
  background: var(--blue-card-gradient);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  backdrop-filter: blur(8px);
}

.live-card:hover {
  transform: translateY(-2px);
  border-color: var(--gold-primary);
  box-shadow: var(--shadow-gold-glow);
}

.live-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.live-val {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  margin: 0.25rem 0;
}

.live-card.df .live-val { color: #f87171; }
.live-card.cf .live-val { color: #34d399; }
.live-card.saldo-tecnico .live-val { color: var(--color-info); }
.live-card.retenciones .live-val { color: var(--color-purple); }

.live-card.main-result {
  background: linear-gradient(135deg, #0d1b3e 0%, #1142a3 100%);
  border: 1.5px solid var(--gold-primary);
  box-shadow: var(--shadow-gold-glow);
}

.live-card.main-result .live-val.highlight {
  color: var(--gold-light);
  text-shadow: 0 0 10px rgba(245, 219, 148, 0.4);
}

.subtext {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.badge-status {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-sm);
  background: rgba(13, 27, 62, 0.8);
  color: #fff;
  width: fit-content;
}

.badge-status.st-favor { background: rgba(16, 185, 129, 0.2); color: #34d399; border: 1px solid #10b981; }
.badge-status.st-pagar { background: rgba(239, 68, 68, 0.2); color: #f87171; border: 1px solid #ef4444; }

/* MAIN CONTAINER & TABS */
.main-container {
  padding: 1.5rem 2rem;
  max-width: 1600px;
  margin: 0 auto;
}

.tabs-nav {
  display: flex;
  gap: 0.75rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.75rem;
  margin-bottom: 1.5rem;
  overflow-x: auto;
}

.tab-btn {
  background: var(--bg-card);
  color: var(--text-muted);
  border: 1px solid var(--border-color);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.2s ease;
}

.tab-btn:hover {
  background: var(--bg-card-hover);
  color: var(--gold-light);
  border-color: var(--gold-primary);
}

.tab-btn.active {
  background: var(--gold-gradient);
  color: #071026;
  border-color: var(--gold-primary);
  font-weight: 800;
  box-shadow: var(--shadow-gold-glow);
}

.badge-count {
  background: var(--color-danger);
  color: #fff;
  font-size: 0.75rem;
  padding: 0.1rem 0.4rem;
  border-radius: 999px;
  font-weight: 700;
}

.tab-content {
  display: none;
  animation: fadeIn 0.3s ease-in-out;
}

.tab-content.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* TOOLBAR & SEARCH */
.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

.actions-group {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.search-group {
  display: flex;
  gap: 0.75rem;
}

.input-search, .select-filter {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 0.6rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  outline: none;
}

.input-search:focus, .select-filter:focus {
  border-color: var(--gold-primary);
  box-shadow: 0 0 10px rgba(226, 186, 101, 0.25);
}

/* BUTTONS */
.btn {
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 0.875rem;
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: none;
  transition: all 0.2s ease;
}

.btn-primary {
  background: var(--gold-gradient);
  color: #071026;
  font-weight: 700;
}
.btn-primary:hover {
  background: var(--gold-gradient-hover);
  box-shadow: var(--shadow-gold-glow);
}

.btn-secondary {
  background: linear-gradient(135deg, #1b49a7 0%, #0d2666 100%);
  color: #ffffff;
  border: 1px solid rgba(226, 186, 101, 0.3);
}
.btn-secondary:hover {
  border-color: var(--gold-primary);
  box-shadow: var(--shadow-blue-glow);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-gold);
}
.btn-outline:hover {
  background: var(--bg-card-hover);
  border-color: var(--gold-primary);
  color: #ffffff;
}

.btn-sm {
  padding: 0.4rem 0.8rem;
  font-size: 0.8rem;
}

/* DATA TABLES */
.table-container {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow-x: auto;
  box-shadow: var(--shadow-md);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.875rem;
}

.data-table th {
  background: #060c1d;
  color: var(--gold-light);
  font-weight: 600;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.data-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid rgba(226, 186, 101, 0.15);
  color: var(--text-light);
  white-space: nowrap;
}

.data-table tbody tr:hover {
  background: rgba(17, 66, 163, 0.25);
}

/* TYPE BADGES */
.badge-op {
  font-size: 0.75rem;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
}

.badge-op.venta { background: rgba(59, 130, 246, 0.2); color: #60a5fa; border: 1px solid #3b82f6; }
.badge-op.exportacion { background: rgba(192, 132, 252, 0.2); color: #c084fc; border: 1px solid #c084fc; }
.badge-op.compra { background: rgba(16, 185, 129, 0.2); color: #34d399; border: 1px solid #10b981; }
.badge-op.importacion { background: rgba(245, 158, 11, 0.2); color: #fbbf24; border: 1px solid #f59e0b; }

/* RECONCILIATION TAB */
.reconciliation-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.reconciliation-summary-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 1.5rem;
  border-radius: var(--radius-md);
  flex: 1;
}

.reconciliation-summary-card h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--gold-primary);
}

.recon-stats {
  display: flex;
  gap: 1.5rem;
  margin-top: 1.25rem;
}

.stat-box {
  background: #060c1d;
  border-radius: var(--radius-md);
  padding: 0.85rem 1.25rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.stat-box.success { border-left: 4px solid var(--color-success); }
.stat-box.warning { border-left: 4px solid var(--color-warning); }
.stat-box.danger { border-left: 4px solid var(--color-danger); }

.stat-val {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 800;
}

.stat-label {
  font-size: 0.775rem;
  color: var(--text-muted);
}

/* SIMULATOR TAB */
.simulator-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(8px);
}

.card h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  color: var(--gold-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.small-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.85rem;
  margin-bottom: 0.4rem;
  color: var(--text-light);
}

.form-group input[type="text"],
.form-group input[type="number"],
.form-group input[type="date"],
.form-group select {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.6rem 0.85rem;
  color: var(--text-main);
  font-family: var(--font-primary);
  font-size: 0.9rem;
}

.form-group small {
  font-size: 0.775rem;
  color: var(--text-muted);
  display: block;
  margin-top: 0.25rem;
}

/* RANGE & TOGGLES */
.range-wrapper {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.range-wrapper input[type="range"] {
  flex: 1;
  accent-color: var(--gold-primary);
}

.range-value {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--gold-light);
}

.toggle-switch {
  display: flex;
  align-items: center;
  cursor: pointer;
  gap: 0.75rem;
}

.toggle-switch input { display: none; }

.slider {
  width: 44px;
  height: 24px;
  background-color: #1e2d54;
  border-radius: 999px;
  position: relative;
  transition: 0.3s;
}

.slider:before {
  content: "";
  position: absolute;
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  border-radius: 50%;
  transition: 0.3s;
}

input:checked + .slider {
  background-color: var(--gold-primary);
}

input:checked + .slider:before {
  transform: translateX(20px);
}

.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1rem;
}

.comparison-card {
  background: #060c1d;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
}

.comparison-card.simulated {
  border-color: var(--gold-primary);
}

.comparison-card h4 {
  font-size: 0.95rem;
  color: var(--gold-light);
  margin-bottom: 0.75rem;
}

.comp-item {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  margin-bottom: 0.4rem;
}

.comp-divider {
  border-top: 1px solid var(--border-color);
  margin: 0.75rem 0;
}

.comp-item.total {
  font-size: 0.95rem;
  font-weight: 700;
}

.simulation-alert {
  margin-top: 1.25rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.alert-info { background: rgba(56, 189, 248, 0.15); color: var(--color-info); border: 1px solid var(--color-info); }

/* WORKING PAPERS TAB */
.paper-actions {
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.working-paper-sheet {
  background: #ffffff;
  color: #1e293b;
  padding: 2.5rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  font-family: 'Inter', sans-serif;
}

.wp-header h2 {
  font-family: var(--font-heading);
  color: #0d1b3e;
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.wp-meta {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
  font-size: 0.9rem;
  color: #475569;
}

.wp-hr {
  border: 0;
  border-top: 2px solid #0d1b3e;
  margin: 1.5rem 0;
}

.wp-hr-sm {
  border: 0;
  border-top: 1px dashed #cbd5e1;
  margin: 0.75rem 0;
}

.wp-section {
  margin-bottom: 2rem;
}

.wp-section h3 {
  font-size: 1rem;
  font-weight: 700;
  color: #0d1b3e;
  margin-bottom: 0.75rem;
  border-bottom: 1px solid #e2e8f0;
  padding-bottom: 0.25rem;
}

.wp-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.wp-table th {
  background: #f1f5f9;
  color: #334155;
  text-align: left;
  padding: 0.5rem;
  border-bottom: 2px solid #cbd5e1;
}

.wp-table td {
  padding: 0.5rem;
  border-bottom: 1px solid #e2e8f0;
}

.text-right { text-align: right; }

.highlights-box {
  background: #f8fafc;
  border: 1px solid #cbd5e1;
  padding: 1.25rem;
  border-radius: var(--radius-md);
}

.wp-calc-row {
  display: flex;
  justify-content: space-between;
  padding: 0.35rem 0;
  font-size: 0.9rem;
}

.wp-calc-row.subtotal { font-weight: 700; background: #e2e8f0; padding: 0.5rem; margin: 0.25rem 0; }
.wp-calc-row.total-st { font-weight: 700; background: #dbeafe; color: #1e40af; padding: 0.5rem; }
.wp-calc-row.final-result-row { font-size: 1.1rem; font-weight: 800; background: #0d1b3e; color: #f5db94; padding: 0.75rem 1rem; border-radius: var(--radius-sm); margin-top: 0.75rem; border: 1px solid #e2ba65; }

/* ARCA EXPORT TAB */
.arca-export-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.arca-buttons {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.f2002-preview {
  background: #060c1d;
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  margin-top: 1rem;
  border: 1px solid var(--border-color);
}

.f2002-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--border-color);
}

.f2002-row.highlight {
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--gold-light);
  border-bottom: none;
  padding-top: 0.75rem;
}

/* MODAL BACKDROP */
.modal-backdrop {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(6, 12, 29, 0.85);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-backdrop.hidden { display: none; }

.modal-box {
  background: var(--bg-card);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 650px;
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.modal-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: linear-gradient(135deg, #071026 0%, #0d1b3e 100%);
}

.modal-header h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: var(--gold-primary);
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
}

.modal-close:hover { color: var(--gold-primary); }

.modal-body {
  padding: 1.5rem;
  max-height: 75vh;
  overflow-y: auto;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.modal-footer {
  padding: 1.25rem 1.5rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  background: #060c1d;
}

/* PRINT MEDIA QUERIES */
@media print {
  body { background: #fff; color: #000; }
  .topbar, .live-condition-bar, .tabs-nav, .paper-actions, .toolbar { display: none !important; }
  .tab-content { display: block !important; }
  #tab-comprobantes, #tab-conciliador, #tab-simulador, #tab-ddjj { display: none !important; }
  .working-paper-sheet { box-shadow: none; padding: 0; }
}