/* Professional Modern Theme */
:root {
  --primary-color: #2563eb;      /* Professional blue */
  --secondary-color: #7c3aed;    /* Purple accent */
  --accent-color: #06b6d4;       /* Cyan accent */
  --success-color: #10b981;      /* Green */
  --dark-bg: #0f172a;            /* Slate 900 */
  --darker-bg: #020617;          /* Slate 950 */
  --light-bg: #f8fafc;           /* Slate 50 */
  --text-primary: #1e293b;       /* Slate 800 */
  --text-secondary: #64748b;     /* Slate 500 */
}

* {
  box-sizing: border-box;
}

body {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: #e2e8f0;
  line-height: 1.6;
}

.app-wrapper {
  font-family: 'Inter', sans-serif;
  letter-spacing: -0.01em;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Space Grotesk', 'Inter', sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.gradient-bg {
  background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #1e293b 100%);
  position: relative;
  overflow: hidden;
}

.gradient-bg::before {
  content: '';
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: 
    radial-gradient(circle at 20% 50%, rgba(37, 99, 235, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(124, 58, 237, 0.15) 0%, transparent 50%);
  pointer-events: none;
  z-index: 1;
}

#canvas-container {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.3;
}

.gradient-text {
  background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 50%, #06b6d4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradient-shift 3s ease infinite;
}

@keyframes gradient-shift {
  0%, 100% { filter: hue-rotate(0deg); }
  50% { filter: hue-rotate(10deg); }
}

.card-hover {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  background: rgba(30, 41, 59, 0.5);
  border: 1px solid rgba(148, 163, 184, 0.1);
  backdrop-filter: blur(12px);
  border-radius: 1rem;
  color: #e2e8f0;
}

.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(37, 99, 235, 0.2), 0 0 0 1px rgba(59, 130, 246, 0.3);
  border-color: rgba(59, 130, 246, 0.3);
  background: rgba(30, 41, 59, 0.8);
}

.nav-link { 
  transition: all 0.2s ease; 
  position: relative;
  padding: 0.5rem 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #2563eb, #7c3aed);
  transition: width 0.3s ease;
}

.nav-link:hover { 
  color: #3b82f6;
}

.nav-link:hover::after {
  width: 100%;
}

#navbar {
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(148, 163, 184, 0.1);
}

#navbar.scrolled {
  background: rgba(15, 23, 42, 0.95);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}
.section-fade-in { animation: fadeIn 0.6s ease-in; position: relative; z-index: 10; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
.mobile-menu { transform: translateX(100%); transition: transform 0.3s ease; }
.mobile-menu.active { transform: translateX(0); }

.reveal-up { opacity: 0; transform: translateY(40px); transition: all 0.8s cubic-bezier(0.5, 0, 0, 1); }
.reveal-up.active { opacity: 1; transform: translateY(0); }
.reveal-left { opacity: 0; transform: translateX(-40px); transition: all 0.8s cubic-bezier(0.5, 0, 0, 1); }
.reveal-left.active { opacity: 1; transform: translateX(0); }
.reveal-right { opacity: 0; transform: translateX(40px); transition: all 0.8s cubic-bezier(0.5, 0, 0, 1); }
.reveal-right.active { opacity: 1; transform: translateX(0); }
.delay-100 { transition-delay: 0.1s; }
.delay-200 { transition-delay: 0.2s; }
.delay-300 { transition-delay: 0.3s; }

.modal-overlay { background-color: rgba(0, 0, 0, 0.5); backdrop-filter: blur(4px); }
.dashboard-section { display: none; min-height: 100vh; padding-top: 80px; }
.dashboard-section.active { display: block; }
.dashboard-card { background: rgba(255, 255, 255, 0.95); border-radius: 0.25rem; box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1); clip-path: polygon(0 0, 100% 0, 100% 90%, 95% 100%, 0 100%); padding: 1.5rem; }
.db-table { width: 100%; border-collapse: collapse; }
.db-table th, .db-table td { text-align: left; padding: 1rem; border-bottom: 1px solid #e5e7eb; }
.db-table th { background-color: #f9fafb; font-weight: 600; color: #374151; }
.status-badge { padding: 0.25rem 0.75rem; border-radius: 9999px; font-size: 0.875rem; font-weight: 500; }

button, a.px-6, a.px-8 { 
  border-radius: 0.5rem;
  letter-spacing: 0.01em; 
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  background: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
  color: #ffffff;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
  border: none;
}

button:hover, a.px-6:hover, a.px-8:hover {
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.4);
  transform: translateY(-2px);
  background: linear-gradient(135deg, #1d4ed8 0%, #6d28d9 100%);
}

#chat-window.active { display: flex; transform: scale(1); opacity: 1; }
.chat-msg-user { background-color: #3b82f6; color: white; padding: 0.75rem; border-radius: 0.5rem; border-top-right-radius: 0; max-width: 80%; margin-left: auto; font-size: 0.875rem; }
@media (max-width: 768px) { #canvas-container canvas { opacity: 0.6; } }

#theme-customizer { position: fixed; top: 50%; left: 0; transform: translateY(-50%); z-index: 100; display: flex; }
#theme-panel { background: rgba(10, 15, 30, 0.95); backdrop-filter: blur(10px); border: 1px solid var(--neon-color); border-left: none; padding: 1rem; border-radius: 0 0.5rem 0.5rem 0; transform: translateX(-100%); transition: transform 0.3s ease; }
#theme-panel.active { transform: translateX(0); }
.color-btn { width: 30px; height: 30px; border-radius: 50%; border: 2px solid white; cursor: pointer; transition: transform 0.2s; }
.color-btn:hover { transform: scale(1.2); }

#back-to-top { opacity: 0; visibility: hidden; transition: all 0.3s ease; }
#back-to-top.visible { opacity: 1; visibility: visible; }