/* ==========================================================================
   NexWorker OS — Ultra-Modern Unified Design System
   Dark Cyber-Obsidian & Glassmorphism Aesthetic
   ========================================================================== */

:root {
  --bg-deep: #06080d;
  --bg-card: rgba(14, 20, 31, 0.65);
  --bg-card-hover: rgba(22, 32, 50, 0.75);
  --bg-input: rgba(8, 12, 19, 0.85);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(0, 243, 255, 0.35);
  --border-focus: #00f3ff;

  /* Accent Colors */
  --cyan: #00f3ff;
  --cyan-glow: rgba(0, 243, 255, 0.35);
  --cyan-dim: rgba(0, 243, 255, 0.12);
  --violet: #9d4edd;
  --violet-glow: rgba(157, 78, 221, 0.35);
  --emerald: #10b981;
  --emerald-dim: rgba(16, 185, 129, 0.15);
  --amber: #f59e0b;
  --amber-dim: rgba(245, 158, 11, 0.15);
  --rose: #f43f5e;

  /* Typography Colors */
  --text-main: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-dark: #334155;

  /* Radius & Shadows */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --shadow-glass: 0 10px 30px -10px rgba(0, 0, 0, 0.5), 0 0 1px 1px rgba(255, 255, 255, 0.07);
  --shadow-glow: 0 0 25px -5px var(--cyan-glow);

  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Base Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-deep);
  color: var(--text-main);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

/* Background Gradients & Glow Orbs */
.bg-mesh {
  position: fixed;
  inset: 0;
  background: 
    radial-gradient(circle at 15% 15%, rgba(0, 243, 255, 0.08) 0%, transparent 45%),
    radial-gradient(circle at 85% 25%, rgba(157, 78, 221, 0.07) 0%, transparent 50%),
    radial-gradient(circle at 50% 85%, rgba(16, 185, 129, 0.05) 0%, transparent 45%);
  pointer-events: none;
  z-index: -2;
}

.bg-grid {
  position: fixed;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  z-index: -1;
}

/* Container */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Typography */
h1, h2, h3, h4, h5 {
  font-weight: 800;
  letter-spacing: -0.025em;
  color: #fff;
  line-height: 1.2;
}

.gradient-text {
  background: linear-gradient(135deg, #ffffff 10%, #00f3ff 60%, #9d4edd 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.mono {
  font-family: var(--font-mono);
}

/* Cards & Glassmorphism */
.glass-panel {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-glass);
  transition: var(--transition);
}

.glass-panel:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-glass), var(--shadow-glow);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  font-size: 0.875rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition);
  text-decoration: none;
  font-family: var(--font-sans);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #00f3ff 0%, #0284c7 100%);
  color: #04101e;
  box-shadow: 0 0 20px -3px var(--cyan-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 25px 0 var(--cyan-glow);
  color: #000;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--border-subtle);
  color: var(--text-main);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  border-color: var(--cyan);
  color: var(--cyan);
}

.btn-outline:hover {
  background: var(--cyan-dim);
  box-shadow: 0 0 15px -3px var(--cyan-glow);
}

.btn-sm {
  padding: 6px 14px;
  font-size: 0.775rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1rem;
  border-radius: var(--radius-lg);
}

/* Form Inputs */
.input-group {
  position: relative;
  width: 100%;
}

.input-field {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  transition: var(--transition);
  outline: none;
}

.input-field:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--cyan-dim);
}

.input-field::placeholder {
  color: var(--text-muted);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-family: var(--font-mono);
}

.badge-cyan {
  background: var(--cyan-dim);
  color: var(--cyan);
  border: 1px solid rgba(0, 243, 255, 0.25);
}

.badge-emerald {
  background: var(--emerald-dim);
  color: var(--emerald);
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.badge-amber {
  background: var(--amber-dim);
  color: var(--amber);
  border: 1px solid rgba(245, 158, 11, 0.25);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--emerald);
  box-shadow: 0 0 10px var(--emerald);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1.05); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* Header & Navigation */
.header-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(6, 8, 13, 0.8);
  border-bottom: 1px solid var(--border-subtle);
  padding: 14px 0;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand-box {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(0, 243, 255, 0.2), rgba(157, 78, 221, 0.2));
  border: 1px solid var(--cyan-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.brand-text h1 {
  font-size: 1.15rem;
  margin: 0;
  line-height: 1.1;
}

.brand-text span {
  font-size: 0.68rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 600;
  transition: var(--transition);
}

.nav-links a:hover, .nav-links a.active {
  color: var(--cyan);
}

/* Modals */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}

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

.modal-content {
  background: #0d121c;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  max-width: 650px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 28px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
  transform: scale(0.95);
  transition: var(--transition);
}

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

/* Spinners */
.spinner-dot {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(0, 243, 255, 0.2);
  border-top-color: var(--cyan);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  display: inline-block;
}

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

/* Responsive */
@media (max-width: 900px) {
  .nav-links {
    display: none;
  }
}

/* ==========================================================================
   Footer & Legal Shield Styling
   ========================================================================== */
.footer-main {
  background: rgba(4, 6, 10, 0.95);
  border-top: 1px solid var(--border-subtle);
  padding: 60px 0 30px 0;
  margin-top: 80px;
  position: relative;
  z-index: 10;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr 1.4fr;
  gap: 40px;
  margin-bottom: 50px;
}

@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }
}

@media (max-width: 640px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul li a, .footer-col ul li button {
  font-size: 0.825rem;
  color: var(--text-secondary);
  text-decoration: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  text-align: left;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.footer-col ul li a:hover, .footer-col ul li button:hover {
  color: var(--cyan);
  transform: translateX(3px);
}

.privacy-badge-card {
  background: rgba(0, 243, 255, 0.03);
  border: 1px solid rgba(0, 243, 255, 0.2);
  border-radius: var(--radius-md);
  padding: 16px;
  margin-top: 12px;
}

.built-with-ai-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(157, 78, 221, 0.12);
  border: 1px solid rgba(157, 78, 221, 0.35);
  border-radius: 30px;
  padding: 6px 14px;
  font-size: 0.78rem;
  font-weight: 700;
  color: #c084fc;
  margin-top: 14px;
}

.footer-bottom-bar {
  border-top: 1px solid var(--border-subtle);
  padding-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-disclaimer-box {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  font-size: 0.76rem;
  line-height: 1.5;
  color: #718096;
}

/* Floating Legal & Privacy Banner */
.legal-consent-banner {
  position: fixed;
  bottom: 20px;
  left: 20px;
  right: 20px;
  max-width: 960px;
  margin: 0 auto;
  background: rgba(8, 12, 19, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(0, 243, 255, 0.35);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.8), 0 0 20px rgba(0, 243, 255, 0.15);
  border-radius: var(--radius-lg);
  padding: 18px 24px;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  animation: slideUp 0.35s ease-out;
}

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

.legal-tab-btn {
  padding: 8px 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.legal-tab-btn.active {
  background: var(--cyan-dim);
  border-color: rgba(0, 243, 255, 0.4);
  color: var(--cyan);
}

/* ==========================================================================
   Auth & Social Login Buttons (Google / GitHub)
   ========================================================================== */
.btn-social {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 12px 18px;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.04);
  color: #fff;
  text-decoration: none;
}

.btn-social:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.4);
}

.btn-google {
  background: #ffffff;
  color: #1f2937;
  border-color: #e5e7eb;
}

.btn-google:hover {
  background: #f9fafb;
  border-color: #d1d5db;
}

.btn-github {
  background: #24292e;
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.15);
}

.btn-github:hover {
  background: #2f363d;
  border-color: rgba(255, 255, 255, 0.3);
}

.auth-divider {
  display: flex;
  align-items: center;
  text-align: center;
  margin: 18px 0;
  color: var(--text-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-family: var(--font-mono);
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  border-bottom: 1px solid var(--border-subtle);
}

.auth-divider:not(:empty)::before {
  margin-right: .75em;
}

.auth-divider:not(:empty)::after {
  margin-left: .75em;
}

.user-profile-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: 30px;
  padding: 4px 14px 4px 6px;
  transition: var(--transition);
}

.user-profile-pill:hover {
  border-color: rgba(0, 243, 255, 0.3);
  background: rgba(0, 243, 255, 0.06);
}

.user-avatar-img {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--cyan);
  object-fit: cover;
  background: #090d16;
}

/* Toast Notification Floating Alert */
.toast-popup {
  position: fixed;
  bottom: 28px;
  right: 28px;
  background: rgba(13, 20, 32, 0.96);
  border: 1px solid var(--emerald);
  box-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.8), 0 0 20px -2px rgba(16, 185, 129, 0.4);
  backdrop-filter: blur(12px);
  color: #fff;
  padding: 14px 22px;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 99999;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}

.toast-popup.active {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

/* Copy Agent Modal Format Tabs */
.copy-fmt-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  padding: 8px 14px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.copy-fmt-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border-color: var(--border-hover);
}

.copy-fmt-btn.active {
  background: var(--cyan-dim);
  border-color: var(--cyan);
  color: var(--cyan);
  box-shadow: 0 0 15px -3px var(--cyan-glow);
}

/* Skill Selection Checkbox Chip */
.skill-check-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 4px 10px;
  font-size: 0.75rem;
  cursor: pointer;
  user-select: none;
  transition: var(--transition);
  color: var(--text-secondary);
}

.skill-check-chip:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.skill-check-chip.selected {
  background: rgba(16, 185, 129, 0.15);
  border-color: var(--emerald);
  color: var(--emerald);
  font-weight: 600;
}

/* Beginner Local AI Guide Cards */
.local-guide-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition);
}

.local-guide-card:hover {
  border-color: rgba(0, 243, 255, 0.4);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}