html,body{margin:0;padding:0;height:100%}.app{min-height:100vh}*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #003366;--primary-light: #004c99;--primary-dark: #001f3f;--secondary-color: #2c3e50;--accent-color: #00a8e8;--sky-blue: #87ceeb;--cloud-white: #f7f9fc;--night-blue: #1a2b3c;--background-color: var(--cloud-white);--text-color: var(--night-blue);--error-color: #dc3545;--success-color: #28a745;--white: #ffffff;--shadow-sm: 0 2px 4px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .1);--shadow-inner: inset 0 2px 4px rgba(0, 0, 0, .05);--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--border-radius-sm: 4px;--border-radius-md: 8px;--border-radius-lg: 12px;--transition-fast: .2s ease;--transition-normal: .3s ease}body{font-family:Segoe UI,system-ui,-apple-system,sans-serif;line-height:1.5;background-color:var(--background-color);color:var(--text-color)}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fadeIn var(--transition-normal)}.btn{display:inline-flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--border-radius-md);font-weight:500;cursor:pointer;transition:all var(--transition-normal)}.btn-primary{background-color:var(--primary-color);color:var(--white);border:none}.btn-primary:hover{background-color:var(--primary-light);transform:translateY(-1px)}.btn-ghost{background-color:transparent;border:1px solid currentColor}.btn-ghost:hover{background-color:#0000000d}.card{background-color:var(--white);border-radius:var(--border-radius-lg);padding:var(--spacing-lg);box-shadow:var(--shadow-sm);transition:box-shadow var(--transition-normal)}.card:hover{box-shadow:var(--shadow-md)}.icon{display:inline-flex;align-items:center;justify-content:center;width:1.5em;height:1.5em}.text-primary{color:var(--primary-color)}.text-secondary{color:var(--secondary-color)}.text-sm{font-size:.875rem}.text-lg{font-size:1.125rem}.font-bold{font-weight:700}.m-1{margin:var(--spacing-xs)}.m-2{margin:var(--spacing-sm)}.m-3{margin:var(--spacing-md)}.m-4{margin:var(--spacing-lg)}.p-1{padding:var(--spacing-xs)}.p-2{padding:var(--spacing-sm)}.p-3{padding:var(--spacing-md)}.p-4{padding:var(--spacing-lg)}