:root {
  --primary: #2563eb;
  --primary-dark: #1e40af;
  --primary-light: #3b82f6;
  --secondary: #10b981;
  --accent: #f59e0b;
  --background: #f9fafb;
  --foreground: #0f172a;
  --card-bg: #ffffff;
  --border-color: #e5e7eb;
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-success: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}
.dark { --background: #0f172a; --foreground: #ffffff; --card-bg: #1e293b; --border-color: #334155; }
* { box-sizing: border-box; padding: 0; margin: 0; }
html, body { max-width: 100vw; overflow-x: hidden; background-color: var(--background); color: var(--foreground); }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen','Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',sans-serif; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--background); }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #94a3b8; }
.glass { background: rgba(255,255,255,0.7); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border: 1px solid rgba(255,255,255,0.3); }
.glass-dark { background: rgba(15,23,42,0.7); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border: 1px solid rgba(255,255,255,0.1); }
.bg-gradient-primary { background: var(--gradient-primary); }
.bg-gradient-secondary { background: var(--gradient-secondary); }
.bg-gradient-success { background: var(--gradient-success); }
.transition-smooth { transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); }
.hover-lift { transition: transform 0.2s ease, box-shadow 0.2s ease; }
.hover-lift:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn-ripple { position: relative; overflow: hidden; }
.btn-ripple::after { content: ''; position: absolute; top: 50%; left: 50%; width: 0; height: 0; border-radius: 50%; background: rgba(255,255,255,0.5); transform: translate(-50%,-50%); transition: width 0.6s, height 0.6s; }
.btn-ripple:active::after { width: 300px; height: 300px; }
@keyframes pulse-slow { 0%,100%{opacity:1} 50%{opacity:.5} }
@keyframes slide-in-right { 0%{transform:translateX(100%);opacity:0} 100%{transform:translateX(0);opacity:1} }
@keyframes slide-in-up { 0%{transform:translateY(20px);opacity:0} 100%{transform:translateY(0);opacity:1} }
@keyframes fade-in { 0%{opacity:0} 100%{opacity:1} }
.animate-pulse-slow { animation: pulse-slow 2s cubic-bezier(0.4,0,0.6,1) infinite; }
.animate-slide-in-right { animation: slide-in-right 0.3s ease-out; }
.animate-slide-in-up { animation: slide-in-up 0.4s ease-out; }
.animate-fade-in { animation: fade-in 0.5s ease-in; }
.card { background: var(--card-bg); border-radius: 12px; box-shadow: var(--shadow-md); border: 1px solid var(--border-color); transition: all 0.3s ease; }
.card:hover { box-shadow: var(--shadow-lg); }
input:focus,textarea:focus,select:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1); }
.btn-primary { background: var(--primary); color: white; font-weight: 500; padding: 0.5rem 1rem; border-radius: 0.5rem; transition: all 0.2s ease; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-primary:active { transform: translateY(0); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 0.5rem 1rem; border-radius: 0.5rem; font-weight: 500; transition: all 0.2s ease; }
.btn-dark { background: #0f172a; color: #fff; }
.btn-dark:hover { background: #111827; box-shadow: var(--shadow-md); transform: translateY(-1px); }
.btn-secondary { background: #334155; color: #fff; }
.btn-secondary:hover { background: #1f2937; box-shadow: var(--shadow-md); transform: translateY(-1px); }
.btn-danger { background: #dc2626; color: #fff; }
.btn-danger:hover { background: #b91c1c; box-shadow: var(--shadow-md); transform: translateY(-1px); }
.btn-outline { background: transparent; color: var(--foreground); border: 1px solid var(--border-color); }
.btn-outline:hover { border-color: #cbd5e1; box-shadow: var(--shadow-md); transform: translateY(-1px); }
@media (max-width: 640px) {
  .btn { width: 100%; min-height: 2.75rem; }
  .card table { display: block; overflow-x: auto; white-space: nowrap; }
}
@media (min-width: 768px) {
  .card table { display: table; white-space: normal; overflow: visible; }
}