@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@500;600&family=Outfit:wght@500;600;700;800&family=Plus+Jakarta+Sans:ital,wght@0,400;0,500;0,600;0,700;0,800;1,400&display=swap');

:root {
  /* Cyber Slate Luxe Palette */
  --bg-app: #f1f5f9;
  --bg-sidebar: #0b0f19;
  --bg-sidebar-active: linear-gradient(135deg, #6366f1 0%, #9333ea 100%);
  
  --ink-primary: #0f172a;
  --ink-secondary: #334155;
  --ink-muted: #64748b;

  --neon-indigo: #6366f1;
  --neon-purple: #a855f7;
  --neon-cyan: #06b6d4;
  --neon-emerald: #10b981;
  --neon-rose: #f43f5e;
  --neon-amber: #f59e0b;

  --gradient-brand: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #06b6d4 100%);
  --gradient-card: linear-gradient(145deg, rgba(255, 255, 255, 0.94) 0%, rgba(241, 245, 249, 0.88) 100%);
  --gradient-header: linear-gradient(135deg, #0b0f19 0%, #1e1b4b 55%, #311b92 100%);
  --gradient-glow: linear-gradient(90deg, #6366f1, #a855f7, #06b6d4);

  --glass-bg: rgba(255, 255, 255, 0.88);
  --glass-border: rgba(255, 255, 255, 0.95);
  --glass-shadow: 0 12px 32px -8px rgba(15, 23, 42, 0.07), inset 0 1px 0 rgba(255, 255, 255, 1);

  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-pill: 9999px;

  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Base Styles & Compact Typography */
*, *:before, *:after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 13.5px; /* High-density compact typography scale */
}

body {
  font-family: 'Plus Jakarta Sans', -apple-system, sans-serif;
  background-color: var(--bg-app);
  background-image: 
    radial-gradient(circle at 95% 0%, rgba(99, 102, 241, 0.09) 0%, transparent 40%),
    radial-gradient(circle at 5% 95%, rgba(6, 182, 212, 0.07) 0%, transparent 40%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.4) 0%, transparent 100%);
  background-attachment: fixed;
  color: var(--ink-primary);
  margin: 0;
  padding: 0;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Thin Sleek Scrollbars */
::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}
::-webkit-scrollbar-track {
  background: rgba(15, 23, 42, 0.03);
}
::-webkit-scrollbar-thumb {
  background: rgba(99, 102, 241, 0.3);
  border-radius: var(--radius-pill);
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(99, 102, 241, 0.6);
}

/* Layout Shell Architecture */
.system-shell {
  min-height: 100vh;
  display: flex;
}

/* Floating Sidebar Dock */
.system-sidebar {
  background: var(--bg-sidebar);
  color: #94a3b8;
  width: 240px;
  position: fixed;
  left: 14px;
  top: 14px;
  bottom: 14px;
  border-radius: var(--radius-lg);
  padding: 20px 14px;
  z-index: 1050;
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
  transition: transform var(--transition-normal);
}

.system-sidebar::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  padding: 1px;
  background: linear-gradient(180deg, rgba(255,255,255,0.15) 0%, rgba(255,255,255,0.02) 100%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.system-sidebar::after {
  content: "";
  position: absolute;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  bottom: -40px;
  left: -40px;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.2), transparent 70%);
  pointer-events: none;
}

/* Brand Identifier */
.system-brand {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  text-decoration: none;
  padding: 2px 6px 20px 6px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 16px;
}

.brand-mark, .login-logo, .mobile-logo {
  display: grid;
  place-items: center;
  background: var(--gradient-brand);
  border-radius: var(--radius-sm);
  width: 34px;
  height: 34px;
  font-size: 16px;
  color: #fff;
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.45);
  transition: transform var(--transition-bounce);
}

.system-brand:hover .brand-mark {
  transform: scale(1.08) rotate(6deg);
}

.system-brand strong {
  display: block;
  font-family: 'Outfit', sans-serif;
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #fff;
  line-height: 1.1;
}

.system-brand small {
  display: block;
  font-size: 0.68rem;
  color: #94a3b8;
  font-weight: 500;
  letter-spacing: 0.02em;
}

/* Sidebar Navigation Items */
.system-nav {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.nav-caption {
  font-size: 0.65rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: #64748b;
  padding: 10px 10px 4px 10px;
}

.nav-caption-bottom {
  margin-top: 16px;
}

.system-nav a {
  position: relative;
  color: #94a3b8;
  text-decoration: none;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.system-nav a i {
  font-size: 1.1rem;
  transition: transform var(--transition-fast);
}

.system-nav a:hover {
  color: #f8fafc;
  background: rgba(255, 255, 255, 0.07);
  transform: translateX(3px);
}

.system-nav a:hover i {
  transform: scale(1.1);
  color: var(--neon-cyan);
}

.system-nav a.active {
  color: #fff;
  background: var(--bg-sidebar-active);
  box-shadow: 0 6px 18px rgba(99, 102, 241, 0.4);
}

.system-nav a.active::after {
  content: "";
  width: 4px;
  height: 14px;
  position: absolute;
  right: -14px;
  border-radius: 4px 0 0 4px;
  background: var(--neon-cyan);
  box-shadow: 0 0 12px var(--neon-cyan);
}

.system-nav .logout-link:hover {
  background: rgba(244, 63, 94, 0.15);
  color: #fda4af;
}

/* System Main Layout Offset */
.system-main {
  margin-left: 268px; /* Accounts for floating sidebar + gap */
  min-height: 100vh;
  min-width: 0;
  flex: 1;
  display: flex;
  flex-direction: column;
  padding-right: 14px;
  padding-top: 14px;
  padding-bottom: 14px;
}

/* Top Sticky Executive Header */
.system-navbar {
  height: 58px;
  background: rgba(11, 15, 25, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky;
  top: 14px;
  z-index: 999;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.15);
}

.sidebar-toggle {
  display: none;
  border: 0;
  background: transparent;
  color: #fff;
  font-size: 1.3rem;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: var(--radius-xs);
}
.sidebar-toggle:hover {
  background: rgba(255, 255, 255, 0.1);
}

.navbar-title span {
  font-family: 'Outfit', sans-serif;
  font-size: 1rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.01em;
  line-height: 1.1;
}

.navbar-title small {
  font-size: 0.68rem;
  color: #94a3b8;
  font-weight: 500;
  display: block;
}

/* Status Indicator Dot in Topbar */
.status-pill-online {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.25);
  color: #34d399;
  font-size: 0.68rem;
  font-weight: 700;
  margin-left: 12px;
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--neon-emerald);
  box-shadow: 0 0 8px var(--neon-emerald);
  animation: pulseGlow 2s infinite;
}

/* User Profile Chip */
.user-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: #fff;
  padding: 3px 10px 3px 3px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: all var(--transition-fast);
}

.user-chip:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(99, 102, 241, 0.4);
  transform: translateY(-1px);
}

.user-chip img, .user-initial {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  object-fit: cover;
}

.user-initial {
  display: grid;
  place-items: center;
  background: var(--gradient-brand);
  color: #fff;
  font-weight: 800;
  font-size: 0.8rem;
}

.user-chip strong {
  display: block;
  font-size: 0.82rem;
  font-weight: 700;
  line-height: 1.1;
  color: #f8fafc;
}

.user-chip small {
  display: block;
  font-size: 0.68rem;
  color: #94a3b8;
}

/* System Content Layout */
.system-content {
  padding: 20px 0 0 0;
  min-width: 0;
  flex: 1;
  animation: cyberFadeIn 0.4s cubic-bezier(0.16, 1, 0.3, 1) both;
}

/* Unified Page Heading Header */
.page-heading, .system-content .app-header, .hero, .attendance-hero {
  padding: 20px 24px !important;
  border-radius: var(--radius-md) !important;
  background: var(--gradient-header) !important;
  box-shadow: 0 10px 30px -8px rgba(15, 23, 42, 0.25) !important;
  border: 1px solid rgba(255, 255, 255, 0.1) !important;
  position: relative !important;
  overflow: hidden !important;
  margin-bottom: 20px !important;
  color: #fff !important;
}

.page-heading::after, .system-content .app-header::after, .hero::after, .attendance-hero::after {
  content: "" !important;
  position: absolute !important;
  width: 200px !important;
  height: 200px !important;
  border-radius: 50% !important;
  right: -40px !important;
  top: -80px !important;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.22), transparent 70%) !important;
  pointer-events: none !important;
}

.page-heading h1, .system-content .app-header h1, .hero h1, .attendance-hero h2 {
  font-family: 'Outfit', sans-serif !important;
  font-size: 1.3rem !important; /* Compact high-grade header */
  font-weight: 800 !important;
  letter-spacing: -0.02em !important;
  margin: 2px 0 3px 0 !important;
  color: #fff !important;
  position: relative;
  z-index: 1;
}

.page-heading p:not(.eyebrow), .system-content .app-header p, .hero p, .attendance-hero p {
  color: #cbd5e1 !important;
  font-size: 0.85rem !important;
  margin: 0 !important;
  position: relative;
  z-index: 1;
}

.eyebrow {
  font-weight: 800 !important;
  letter-spacing: 0.14em !important;
  font-size: 0.65rem !important;
  color: var(--neon-cyan) !important;
  text-transform: uppercase !important;
  margin: 0 0 2px 0 !important;
  position: relative;
  z-index: 1;
}

/* Glassmorphic Cards & Panels */
.card, .panel, .profile-summary, .profile-form, .search-card, .card-upload {
  background: var(--glass-bg) !important;
  backdrop-filter: blur(16px) !important;
  -webkit-backdrop-filter: blur(16px) !important;
  border: 1px solid var(--glass-border) !important;
  border-radius: var(--radius-md) !important;
  box-shadow: var(--glass-shadow) !important;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast) !important;
}

.card:hover, .panel:hover, .search-card:hover, .card-upload:hover {
  box-shadow: 0 16px 40px -10px rgba(15, 23, 42, 0.12) !important;
}

/* Unified Buttons */
.btn-brand, .save-profile, .login-submit, #btnBuscar {
  background: var(--gradient-brand) !important;
  border: 0 !important;
  color: #fff !important;
  font-weight: 700 !important;
  font-size: 0.85rem !important;
  padding: 8px 16px !important;
  border-radius: var(--radius-sm) !important;
  box-shadow: 0 6px 16px rgba(99, 102, 241, 0.35) !important;
  transition: all var(--transition-fast) !important;
  cursor: pointer !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 6px !important;
}

.btn-brand:hover, .save-profile:hover, .login-submit:hover, #btnBuscar:hover {
  transform: translateY(-2px) !important;
  box-shadow: 0 10px 24px rgba(99, 102, 241, 0.5) !important;
  filter: brightness(1.06) !important;
}

.btn-brand:active, .save-profile:active, .login-submit:active, #btnBuscar:active {
  transform: translateY(0) !important;
}

/* Form Controls & Focus States */
.form-grid label, .login-card label {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--ink-secondary);
  display: block;
}

.form-grid input, .login-card input, #formBusqueda .form-control, #formBusqueda .form-select {
  display: block;
  width: 100%;
  margin-top: 3px;
  padding: 7px 11px;
  border: 1px solid #cbd5e1;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.85rem;
  color: var(--ink-primary);
  background: #fff;
  outline: 0;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-grid input:focus, .login-card input:focus, #formBusqueda .form-control:focus, #formBusqueda .form-select:focus {
  border-color: var(--neon-cyan);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.2);
}

/* Profile Grid Architecture */
.profile-grid {
  max-width: 960px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 16px;
}

.profile-summary, .profile-form {
  padding: 20px;
}

.profile-summary {
  text-align: center;
}

.profile-avatar {
  width: 76px;
  height: 76px;
  border-radius: 50%;
  margin: 0 auto 12px;
  background: var(--gradient-brand);
  color: #fff;
  font: 800 24px 'Outfit', sans-serif;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 3px solid #fff;
  box-shadow: 0 6px 18px rgba(99, 102, 241, 0.35);
}

.profile-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.profile-summary h2, .profile-form h2 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0 0 3px 0;
}

.profile-summary p {
  color: var(--ink-muted);
  font-size: 0.8rem;
  margin: 0 0 8px 0;
}

.profile-summary span {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--neon-indigo);
  background: rgba(99, 102, 241, 0.1);
  padding: 3px 9px;
  border-radius: var(--radius-pill);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

/* Futuristic Login Portal */
.login-page {
  overflow: hidden;
  min-height: 100vh;
  background: #0b0f19;
  color: #fff;
}

.login-page::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: 
    radial-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
  pointer-events: none;
}

.login-wrap {
  position: relative;
  min-height: 100vh;
  max-width: 960px;
  margin: auto;
  display: grid;
  grid-template-columns: 1fr 380px;
  align-items: center;
  gap: 40px;
  padding: 24px;
}

.login-intro {
  animation: cyberFadeIn 0.5s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.login-intro h1 {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(1.7rem, 3.2vw, 2.3rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin: 10px 0 12px 0;
  background: linear-gradient(135deg, #ffffff 0%, #cbd5e1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.login-intro p:not(.eyebrow) {
  color: #94a3b8;
  line-height: 1.55;
  font-size: 0.88rem;
  max-width: 400px;
}

.intro-stats {
  display: flex;
  gap: 8px;
  margin-top: 20px;
}

.intro-stats span {
  padding: 6px 10px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  color: #e2e8f0;
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.04);
}

.login-card {
  background: rgba(255, 255, 255, 0.96) !important;
  color: var(--ink-primary);
  border-radius: var(--radius-lg) !important;
  padding: 28px 24px !important;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.45) !important;
  animation: cardIn 0.5s cubic-bezier(0.16, 1, 0.3, 1) 0.1s both;
}

.login-card h2 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.35rem;
  font-weight: 800;
  margin: 3px 0;
  letter-spacing: -0.02em;
}

.login-subtitle {
  color: var(--ink-muted);
  font-size: 0.82rem;
  margin-bottom: 16px;
}

.password-field {
  position: relative;
}

.password-field input {
  padding-right: 36px;
}

.password-field button {
  position: absolute;
  right: 4px;
  top: 6px;
  border: 0;
  background: none;
  color: var(--ink-muted);
  font-size: 1rem;
  cursor: pointer;
  padding: 4px 6px;
}

.login-submit {
  width: 100%;
  margin-top: 12px;
}

.login-error, .login-ok {
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  margin: 10px 0;
  display: flex;
  align-items: center;
  gap: 6px;
}

.login-error {
  background: #fef2f2;
  color: var(--neon-rose);
  border: 1px solid #fecdd3;
}

.login-ok {
  background: #ecfdf5;
  color: var(--neon-emerald);
  border: 1px solid #a7f3d0;
}

.login-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(50px);
  opacity: 0.28;
  pointer-events: none;
  animation: float 10s ease-in-out infinite;
}

.orb-one {
  width: 360px;
  height: 360px;
  background: #6366f1;
  top: -120px;
  left: -80px;
}

.orb-two {
  width: 300px;
  height: 300px;
  background: #a855f7;
  right: -60px;
  bottom: -100px;
  animation-delay: -4s;
}

/* Mobile Backdrop Drawer */
.mobile-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(11, 15, 25, 0.7);
  backdrop-filter: blur(8px);
  z-index: 1040;
}

/* Animations */
@keyframes cardIn {
  from { opacity: 0; transform: translateY(18px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes cyberFadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulseGlow {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.2); }
}

@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(12px, 16px); }
}

/* Responsive Media Queries */
@media (max-width: 860px) {
  .system-sidebar {
    left: 0;
    top: 0;
    bottom: 0;
    border-radius: 0;
    transform: translateX(-105%);
  }
  .system-shell.menu-open .system-sidebar {
    transform: translateX(0);
  }
  .system-shell.menu-open .mobile-backdrop {
    display: block;
  }
  .system-main {
    margin-left: 0;
    padding: 10px 10px 10px 10px;
  }
  .system-navbar {
    top: 0;
    border-radius: var(--radius-sm);
    padding: 0 14px;
    height: 52px;
  }
  .sidebar-toggle {
    display: block;
  }
  .profile-grid, .form-grid, .login-wrap {
    grid-template-columns: 1fr;
  }
  .login-intro {
    display: none;
  }
  .login-card {
    padding: 20px 16px !important;
  }
  .mobile-logo {
    display: grid;
    margin-bottom: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *:before, *:after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}