/* ══════════════════════════════════════════════════
   VARIABLES GLOBALES
══════════════════════════════════════════════════ */
:root {
  --gold:          #d4af37;
  --gold-light:    #f0d060;
  --gold-dark:     #a07820;
  --silver:        #c0c0c0;
  --silver-light:  #e8e8e8;
  --silver-dark:   #888888;
  --bg-deep:       #0d0d0f;
  --bg-card:       #13131a;
  --bg-input:      #1a1a24;
  --bg-sidebar:    #0d0d0f;
  --text:          #f0f0f0;
  --text-muted:    #8888aa;
  --error:         #ff5555;
  --content-bg:    #f4f5f7;
  --white:         #ffffff;
  --sidebar-w:     240px;
}

/* Modo claro */
[data-theme="light"] {
  --bg-deep:       #f0f0f4;
  --bg-card:       #ffffff;
  --bg-input:      #f8f8f8;
  --bg-sidebar:    #1a1a2e;
  --text:          #1a1a2e;
  --text-muted:    #6b7280;
  --content-bg:    #ffffff;
}
[data-theme="light"] body { background: var(--bg-deep); }
[data-theme="light"] .content { background: var(--content-bg); }
[data-theme="light"] .topbar { background: #ffffff; border-bottom-color: #e5e7eb; }
[data-theme="light"] .topbar-title { color: #1a1a2e; }
[data-theme="light"] .cfg-card { background: #ffffff; border-color: #e5e7eb; box-shadow: 0 1px 4px rgba(0,0,0,0.05); }
[data-theme="light"] .cfg-card-title { color: #a07820; }
[data-theme="light"] .cfg-field input, [data-theme="light"] .cfg-field select { background: #f9fafb; color: #1a1a2e; border-color: #e5e7eb; }
[data-theme="light"] .cfg-field label { color: #6b7280; }
[data-theme="light"] .cfg-table tbody td { color: #374151; }
[data-theme="light"] .cfg-table thead th { color: #6b7280; }
[data-theme="light"] .cfg-table tbody tr { border-bottom-color: #f3f4f6; }
[data-theme="light"] .cfg-table tbody tr:hover { background: #fffbf0; }
[data-theme="light"] .btn-cfg-secondary { color: #6b7280; border-color: #e5e7eb; }
[data-theme="light"] .btn-cfg-secondary:hover { color: #a07820; }
[data-theme="light"] .theme-btn { background: #f9fafb; border-color: #e5e7eb; color: #6b7280; }
[data-theme="light"] .welcome-panel, [data-theme="light"] .modulo-placeholder { background: #ffffff; }
[data-theme="light"] .welcome-title { color: #1a1a2e; }
* { margin:0; padding:0; box-sizing:border-box; }
body { font-family: 'Inter', sans-serif; background: var(--bg-deep); overflow: hidden; }

/* ══════════════════════════════════════════════════
   PANTALLAS
══════════════════════════════════════════════════ */
.screen { display: none; width: 100vw; min-height: 100vh; }
.screen.active { display: flex; }

/* ══════════════════════════════════════════════════
   PANTALLA LOGIN
══════════════════════════════════════════════════ */
#screen-login {
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.bg-canvas {
  position: fixed; inset: 0; z-index: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 50%, rgba(212,175,55,0.07) 0%, transparent 60%),
    radial-gradient(ellipse 60% 80% at 80% 30%, rgba(192,192,192,0.05) 0%, transparent 60%),
    radial-gradient(ellipse 100% 100% at 50% 100%, rgba(212,175,55,0.04) 0%, transparent 50%);
}
.bg-grid {
  position: fixed; inset: 0; z-index: 0;
  background-image:
    linear-gradient(rgba(212,175,55,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212,175,55,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}
.bg-line {
  position: fixed; top: -20%; left: -10%; width: 140%; height: 2px;
  background: linear-gradient(90deg, transparent, rgba(212,175,55,0.15), rgba(192,192,192,0.2), rgba(212,175,55,0.15), transparent);
  transform: rotate(-15deg); z-index: 0;
}
.bg-line:nth-child(3) { top: 30%; opacity: 0.5; }
.bg-line:nth-child(4) { top: 70%; opacity: 0.3; }
.particles { position: fixed; inset: 0; z-index: 0; pointer-events: none; }
.particle {
  position: absolute; border-radius: 50%; opacity: 0;
  animation: float-up linear infinite;
}
@keyframes float-up {
  0%   { opacity: 0; transform: translateY(0) scale(1); }
  10%  { opacity: 0.6; }
  90%  { opacity: 0.2; }
  100% { opacity: 0; transform: translateY(-100vh) scale(0.3); }
}

.login-container {
  position: relative; z-index: 10;
  display: flex; flex-direction: column; align-items: center;
  animation: appear 1.2s ease both;
}
@keyframes appear {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

.login-header { text-align: center; margin-bottom: 40px; }

.logo-wrap {
  display: inline-flex; align-items: center; justify-content: center;
  width: 80px; height: 80px; border-radius: 50%;
  background: linear-gradient(135deg, var(--gold-dark), var(--gold), var(--gold-light), var(--silver));
  box-shadow: 0 0 30px rgba(212,175,55,0.4), 0 0 60px rgba(212,175,55,0.15), inset 0 1px 0 rgba(255,255,255,0.3);
  margin-bottom: 20px; position: relative;
}
.logo-wrap::before {
  content: ''; position: absolute; inset: -3px; border-radius: 50%;
  background: conic-gradient(from 0deg, var(--gold), var(--silver), var(--gold-light), var(--gold-dark), var(--gold));
  z-index: -1; animation: spin 8s linear infinite;
}
.logo-wrap::after {
  content: ''; position: absolute; inset: 2px; border-radius: 50%;
  background: var(--bg-deep); z-index: -1;
}
@keyframes spin { to { transform: rotate(360deg); } }

.logo-icon {
  font-family: 'Cinzel', serif; font-size: 28px; font-weight: 700; z-index: 1;
  background: linear-gradient(135deg, #fff, var(--gold-light));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.brand-name {
  font-family: 'Cinzel', serif; font-size: 32px; font-weight: 700; letter-spacing: 8px;
  background: linear-gradient(90deg, var(--gold-dark), var(--gold), var(--gold-light), var(--silver-light), var(--gold));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.brand-sub {
  font-family: 'Rajdhani', sans-serif; font-size: 11px; font-weight: 400;
  letter-spacing: 5px; color: var(--silver-dark); text-transform: uppercase; margin-top: 4px;
}

.login-card {
  background: var(--bg-card); border: 1px solid rgba(212,175,55,0.2);
  border-radius: 2px; padding: 44px 48px; width: 400px; position: relative;
  box-shadow: 0 20px 60px rgba(0,0,0,0.6), inset 0 1px 0 rgba(212,175,55,0.1);
}
.login-card::before { content: ''; position: absolute; top:-1px; left:-1px; width:20px; height:20px; border-top: 2px solid var(--gold); border-left: 2px solid var(--gold); }
.login-card::after  { content: ''; position: absolute; bottom:-1px; right:-1px; width:20px; height:20px; border-bottom: 2px solid var(--gold); border-right: 2px solid var(--gold); }
.card-corner-tr { position: absolute; top:-1px; right:-1px; width:20px; height:20px; border-top: 2px solid var(--silver-dark); border-right: 2px solid var(--silver-dark); }
.card-corner-bl { position: absolute; bottom:-1px; left:-1px; width:20px; height:20px; border-bottom: 2px solid var(--silver-dark); border-left: 2px solid var(--silver-dark); }

.card-title {
  font-family: 'Cinzel', serif; font-size: 13px; letter-spacing: 4px;
  color: var(--gold); text-transform: uppercase; text-align: center;
  margin-bottom: 32px; padding-bottom: 16px; border-bottom: 1px solid rgba(212,175,55,0.15);
}

.field { margin-bottom: 20px; }
.field label {
  display: block; font-size: 11px; letter-spacing: 3px; color: var(--silver-dark);
  text-transform: uppercase; margin-bottom: 8px; font-weight: 500;
  font-family: 'Rajdhani', sans-serif;
}
.field-wrap { position: relative; }
.field-icon {
  position: absolute; left: 14px; top: 50%; transform: translateY(-50%);
  color: var(--gold-dark); font-size: 14px; pointer-events: none;
}
.field input {
  width: 100%; background: var(--bg-input); border: 1px solid rgba(192,192,192,0.15);
  border-radius: 2px; padding: 13px 14px 13px 40px; color: var(--text);
  font-family: 'Rajdhani', sans-serif; font-size: 15px; font-weight: 500;
  letter-spacing: 1px; outline: none; transition: all 0.3s;
}
.field input:focus {
  border-color: rgba(212,175,55,0.5); background: rgba(212,175,55,0.04);
  box-shadow: 0 0 0 3px rgba(212,175,55,0.08);
}
.field input::placeholder { color: var(--text-muted); font-size: 13px; }

.btn-login {
  width: 100%; padding: 15px;
  background: linear-gradient(135deg, var(--gold-dark), var(--gold), var(--gold-light));
  border: none; border-radius: 2px; color: #0d0d0f;
  font-family: 'Cinzel', serif; font-size: 13px; font-weight: 700;
  letter-spacing: 4px; text-transform: uppercase; cursor: pointer;
  position: relative; overflow: hidden; transition: all 0.3s;
  box-shadow: 0 4px 20px rgba(212,175,55,0.3); margin-top: 8px;
}
.btn-login::before {
  content: ''; position: absolute; top:0; left:-100%; width:100%; height:100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left 0.5s;
}
.btn-login:hover::before { left: 100%; }
.btn-login:hover { box-shadow: 0 6px 30px rgba(212,175,55,0.5); transform: translateY(-1px); }
.btn-login:active { transform: translateY(0); }

.error-msg {
  display: none; background: rgba(255,85,85,0.08); border: 1px solid rgba(255,85,85,0.3);
  border-radius: 2px; padding: 10px 14px; color: var(--error);
  font-size: 12px; letter-spacing: 1px; text-align: center; margin-top: 16px;
  font-family: 'Rajdhani', sans-serif; animation: shake 0.4s ease;
}
.error-msg.show { display: block; }
@keyframes shake {
  0%,100% { transform: translateX(0); }
  25%      { transform: translateX(-6px); }
  75%      { transform: translateX(6px); }
}

.login-footer { margin-top: 32px; text-align: center; }
.footer-line { width: 200px; height: 1px; background: linear-gradient(90deg, transparent, rgba(212,175,55,0.3), transparent); margin: 0 auto 12px; }
.login-footer p { font-size: 10px; letter-spacing: 3px; color: var(--text-muted); text-transform: uppercase; font-family: 'Rajdhani', sans-serif; }
.login-footer span { background: linear-gradient(90deg, var(--gold-dark), var(--silver)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

.loading-overlay {
  display: none; position: fixed; inset: 0; background: rgba(13,13,15,0.92);
  z-index: 200; align-items: center; justify-content: center; flex-direction: column; gap: 20px;
}
.loading-overlay.show { display: flex; }
.spinner {
  width: 48px; height: 48px; border: 2px solid rgba(212,175,55,0.1);
  border-top-color: var(--gold); border-right-color: var(--silver);
  border-radius: 50%; animation: spin 0.8s linear infinite;
}
.loading-overlay p { font-family: 'Cinzel', serif; font-size: 11px; letter-spacing: 4px; color: var(--gold); text-transform: uppercase; }

/* ══════════════════════════════════════════════════
   PANTALLA PRINCIPAL
══════════════════════════════════════════════════ */
#screen-main {
  flex-direction: row;
  background: var(--content-bg);
  overflow: hidden;
}

/* SIDEBAR */
.sidebar {
  width: var(--sidebar-w); min-height: 100vh; background: var(--bg-sidebar);
  display: flex; flex-direction: column; position: fixed; top:0; left:0; bottom:0;
  z-index: 100; border-right: 1px solid rgba(212,175,55,0.15);
  box-shadow: 4px 0 30px rgba(0,0,0,0.4);
}
.sidebar::before {
  content: ''; position: absolute; top:0; left:0; right:0; height:2px;
  background: linear-gradient(90deg, var(--gold-dark), var(--gold), var(--gold-light), var(--silver), var(--gold));
}

.sidebar-user { padding: 24px 20px 20px; border-bottom: 1px solid rgba(212,175,55,0.1); }
.user-role-badge {
  display: inline-block; font-family: 'Rajdhani', sans-serif; font-size: 9px;
  font-weight: 600; letter-spacing: 3px; text-transform: uppercase; color: var(--gold);
  background: rgba(212,175,55,0.1); border: 1px solid rgba(212,175,55,0.25);
  border-radius: 2px; padding: 3px 8px; margin-bottom: 8px;
}
.user-name { font-family: 'Rajdhani', sans-serif; font-size: 16px; font-weight: 600; color: var(--text); letter-spacing: 1px; }
.user-status { display: flex; align-items: center; gap: 6px; margin-top: 4px; }
.status-dot {
  width: 6px; height: 6px; border-radius: 50%; background: #4ade80;
  box-shadow: 0 0 6px rgba(74,222,128,0.6); animation: pulse-dot 2s ease infinite;
}
@keyframes pulse-dot { 0%,100%{opacity:1;} 50%{opacity:0.4;} }
.status-text { font-size: 10px; letter-spacing: 2px; color: var(--silver-dark); text-transform: uppercase; font-family: 'Rajdhani', sans-serif; }

.sidebar-nav { flex: 1; padding: 16px 12px; overflow-y: auto; }
.nav-section-label {
  font-family: 'Rajdhani', sans-serif; font-size: 9px; font-weight: 600;
  letter-spacing: 3px; color: rgba(136,136,170,0.5); text-transform: uppercase;
  padding: 0 8px; margin-bottom: 8px; margin-top: 16px;
}
.nav-section-label:first-child { margin-top: 0; }

.nav-item {
  display: flex; align-items: center; gap: 12px; padding: 11px 12px;
  border-radius: 4px; cursor: pointer; transition: all 0.2s; position: relative;
  margin-bottom: 2px; border: 1px solid transparent;
}
.nav-item:hover { background: rgba(212,175,55,0.07); border-color: rgba(212,175,55,0.1); }
.nav-item.active { background: rgba(212,175,55,0.12); border-color: rgba(212,175,55,0.2); }
.nav-item.active::before {
  content: ''; position: absolute; left:0; top:20%; bottom:20%;
  width: 2px; background: linear-gradient(180deg, var(--gold-dark), var(--gold)); border-radius: 0 2px 2px 0;
}
.nav-icon { font-size: 16px; width: 20px; text-align: center; flex-shrink: 0; }
.nav-label {
  font-family: 'Rajdhani', sans-serif; font-size: 13px; font-weight: 500;
  letter-spacing: 1px; color: var(--silver-dark); transition: color 0.2s; text-transform: uppercase;
}
.nav-item:hover .nav-label, .nav-item.active .nav-label { color: var(--gold-light); }

.sidebar-footer { padding: 16px 12px; border-top: 1px solid rgba(212,175,55,0.08); }
.btn-logout {
  display: flex; align-items: center; gap: 10px; width: 100%;
  padding: 10px 12px; background: transparent; border: 1px solid rgba(255,85,85,0.15);
  border-radius: 4px; color: rgba(255,120,120,0.6); font-family: 'Rajdhani', sans-serif;
  font-size: 11px; font-weight: 600; letter-spacing: 2px; text-transform: uppercase;
  cursor: pointer; transition: all 0.2s; margin-bottom: 16px;
}
.btn-logout:hover { background: rgba(255,85,85,0.08); border-color: rgba(255,85,85,0.3); color: rgba(255,120,120,0.9); }

.sidebar-brand { display: flex; align-items: center; gap: 8px; padding: 0 4px; opacity: 0.18; transition: opacity 0.3s; }
.sidebar-brand:hover { opacity: 0.35; }
.brand-logo-sm {
  width: 20px; height: 20px; border-radius: 50%;
  background: linear-gradient(135deg, var(--gold-dark), var(--gold));
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.brand-logo-sm span { font-family: 'Cinzel', serif; font-size: 7px; font-weight: 700; color: #0d0d0f; }
.brand-text-sm { font-family: 'Cinzel', serif; font-size: 10px; letter-spacing: 3px; color: var(--gold); text-transform: uppercase; }

/* CONTENT */
.content { margin-left: var(--sidebar-w); flex: 1; min-height: 100vh; display: flex; flex-direction: column; overflow-y: auto; }

.topbar {
  background: var(--white); border-bottom: 1px solid #e5e7eb;
  padding: 0 32px; height: 60px; display: flex; align-items: center;
  justify-content: space-between; position: sticky; top: 0; z-index: 50;
  box-shadow: 0 1px 8px rgba(0,0,0,0.06);
}
.topbar-title { font-family: 'Rajdhani', sans-serif; font-size: 18px; font-weight: 700; letter-spacing: 2px; color: #1a1a2e; text-transform: uppercase; }
.topbar-date { font-size: 12px; color: #9ca3af; letter-spacing: 1px; font-family: 'Rajdhani', sans-serif; }

.main-area { flex: 1; padding: 32px; }

/* Bienvenida */
.welcome-panel {
  background: var(--white); border-radius: 8px; border: 1px solid #e5e7eb;
  padding: 60px 40px; text-align: center; box-shadow: 0 1px 4px rgba(0,0,0,0.04);
}
.welcome-icon { font-size: 48px; margin-bottom: 20px; display: block; }
.welcome-title { font-family: 'Rajdhani', sans-serif; font-size: 26px; font-weight: 700; letter-spacing: 3px; color: #1a1a2e; text-transform: uppercase; margin-bottom: 10px; }
.welcome-sub { font-size: 14px; color: #9ca3af; letter-spacing: 1px; }

.modules-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px,1fr)); gap: 16px; margin-top: 40px; text-align: left; }
.module-card {
  background: #f9fafb; border: 1px solid #e5e7eb; border-radius: 8px;
  padding: 20px; cursor: pointer; transition: all 0.2s; position: relative; overflow: hidden;
}
.module-card::before {
  content: ''; position: absolute; top:0; left:0; right:0; height:3px;
  background: linear-gradient(90deg, var(--gold-dark), var(--gold)); opacity:0; transition: opacity 0.2s;
}
.module-card:hover { border-color: rgba(212,175,55,0.3); box-shadow: 0 4px 16px rgba(212,175,55,0.1); transform: translateY(-2px); }
.module-card:hover::before { opacity: 1; }
.module-card-icon { font-size: 28px; margin-bottom: 10px; display: block; }
.module-card-title { font-family: 'Rajdhani', sans-serif; font-size: 13px; font-weight: 700; letter-spacing: 2px; color: #1a1a2e; text-transform: uppercase; margin-bottom: 4px; }
.module-card-desc { font-size: 11px; color: #9ca3af; line-height: 1.5; }

/* Módulo placeholder */
.modulo-placeholder {
  background: var(--white); border-radius: 8px; border: 1px solid #e5e7eb;
  padding: 60px 40px; text-align: center; box-shadow: 0 1px 4px rgba(0,0,0,0.04);
}

/* ══════════════════════════════════════════════════
   RESPONSIVE - MÓVIL Y TABLETS
══════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  :root { --sidebar-w: 200px; }
  .login-card { width: 90%; max-width: 400px; }
  .modules-grid { grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)) !important; }
}

@media (max-width: 768px) {
  :root { --sidebar-w: 60px; }
  body { overflow: auto; }
  
  /* Sidebar colapsado */
  .sidebar { width: 60px !important; overflow: hidden; }
  .sidebar .brand-name, .sidebar .brand-sub, .sidebar .user-info,
  .sidebar .menu-label, .sidebar .footer-text { display: none !important; }
  .sidebar .menu-icon { margin: 0 auto !important; }
  .sidebar .menu-item { padding: 12px 0 !important; justify-content: center !important; }
  .sidebar .btn-logout { padding: 8px !important; font-size: 0 !important; }
  .sidebar .btn-logout::before { content: "⏻"; font-size: 16px; }
  
  /* Content area */
  .content { margin-left: 60px !important; }
  .main-area { padding: 16px !important; }
  
  /* Login responsive */
  .login-card { width: 95%; padding: 24px !important; }
  .brand-name { font-size: 28px !important; }
  
  /* Topbar */
  .topbar { padding: 12px 16px !important; flex-direction: column; gap: 8px; align-items: flex-start !important; }
  .topbar-title { font-size: 14px !important; }
  
  /* Grids responsive */
  .modules-grid { grid-template-columns: 1fr !important; }
  .enc-grid, .form-grid, .summary-grid, .kpi-grid { grid-template-columns: 1fr !important; }
  .charts-row { grid-template-columns: 1fr !important; }
  .dynamic-grid { grid-template-columns: 1fr !important; }
  
  /* Tablas con scroll */
  .bd-table-wrap, .prod-table-wrap, .costos-table-wrap, .cfg-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .bd-table, .prod-table, .costos-table, .cfg-table, .ger-table { min-width: 600px; font-size: 11px !important; }
  
  /* Cards */
  .enc-card, .costos-card, .ger-section, .chart-box, .cfg-card { padding: 16px !important; }
  
  /* Botones */
  .btn-enc-submit, .btn-costos, .btn-cfg-primary { width: 100%; padding: 12px !important; }
  
  /* Tabs scroll horizontal */
  .planta-tabs, .costos-tabs, .cfg-tabs { overflow-x: auto; flex-wrap: nowrap !important; -webkit-overflow-scrolling: touch; }
  .planta-tab, .costos-tab, .cfg-tab { white-space: nowrap; flex-shrink: 0; padding: 10px 14px !important; font-size: 11px !important; }
  
  /* KPI cards */
  .kpi-value { font-size: 22px !important; }
  .summary-value { font-size: 22px !important; }
  
  /* Charts ajustados */
  .chart-canvas-wrap { height: 220px !important; }
  
  /* Filtros */
  .ger-filter { flex-direction: column; align-items: stretch !important; }
  .ger-filter-btn { width: 100%; text-align: center; }
}

@media (max-width: 480px) {
  .login-header { margin-bottom: 24px !important; }
  .brand-name { font-size: 24px !important; }
  .card-title { font-size: 12px !important; }
  .summary-card, .kpi-card { padding: 14px !important; }
  .summary-value, .kpi-value { font-size: 18px !important; }
  .ger-header h1 { font-size: 20px !important; }
}