:root{--color-primary: #667eea;--color-primary-dark: #764ba2;--color-primary-light: #8b9cf7;--color-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--bg-main: #f5f7fa;--bg-card: #ffffff;--bg-hover: #f8f9ff;--text-primary: #1a1a2e;--text-secondary: #64748b;--text-muted: #94a3b8;--text-inverse: #ffffff;--border-light: #e2e8f0;--border-medium: #cbd5e1;--color-success: #10b981;--color-success-bg: #d1fae5;--color-warning: #f59e0b;--color-warning-bg: #fef3c7;--color-error: #ef4444;--color-error-bg: #fee2e2;--color-info: #3b82f6;--color-info-bg: #dbeafe;--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 32px;--space-2xl: 48px;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--radius-xl: 20px;--radius-full: 9999px;--shadow-xs: 0 1px 2px rgba(0, 0, 0, .04);--shadow-sm: 0 1px 3px rgba(0, 0, 0, .06), 0 1px 2px rgba(0, 0, 0, .04);--shadow-md: 0 4px 6px rgba(0, 0, 0, .05), 0 2px 4px rgba(0, 0, 0, .04);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .08), 0 4px 6px rgba(0, 0, 0, .04);--shadow-xl: 0 20px 25px rgba(0, 0, 0, .1), 0 10px 10px rgba(0, 0, 0, .04);--sidebar-width: 260px;--bottom-nav-height: 68px;--header-height: 60px;--transition-fast: .15s ease;--transition-normal: .2s ease;--transition-slow: .3s ease;--z-dropdown: 100;--z-sticky: 200;--z-fixed: 300;--z-modal-backdrop: 400;--z-modal: 500;--z-tooltip: 600;--z-toast: 700}*{margin:0;padding:0;box-sizing:border-box}html,body{height:100%}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;font-size:16px;line-height:1.5;color:var(--text-primary);background:var(--bg-main);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (max-width: 767px){body{padding-bottom:var(--bottom-nav-height)}}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.3;color:var(--text-primary)}a{color:var(--color-primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-primary-dark)}input,select,textarea,button{font-family:inherit;font-size:inherit}input[type=text],input[type=email],input[type=password],input[type=tel],input[type=date],select,textarea{width:100%;padding:12px 14px;border:1px solid var(--border-light);border-radius:var(--radius-md);background:var(--bg-card);color:var(--text-primary);transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}@media (max-width: 767px){input[type=text],input[type=email],input[type=password],input[type=tel],input[type=date],select,textarea{padding:14px 16px;font-size:16px}}input[type=text]:focus,input[type=email]:focus,input[type=password]:focus,input[type=tel]:focus,input[type=date]:focus,select:focus,textarea:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #667eea1f}input[type=text]::placeholder,input[type=email]::placeholder,input[type=password]::placeholder,input[type=tel]::placeholder,input[type=date]::placeholder,select::placeholder,textarea::placeholder{color:var(--text-muted)}input[type=text]:disabled,input[type=email]:disabled,input[type=password]:disabled,input[type=tel]:disabled,input[type=date]:disabled,select:disabled,textarea:disabled{background:var(--bg-main);cursor:not-allowed;opacity:.7}button{cursor:pointer;touch-action:manipulation}.text-center{text-align:center}.text-muted{color:var(--text-muted)}.text-secondary{color:var(--text-secondary)}.mt-1{margin-top:var(--space-xs)}.mt-2{margin-top:var(--space-sm)}.mt-3{margin-top:var(--space-md)}.mt-4{margin-top:var(--space-lg)}.mb-1{margin-bottom:var(--space-xs)}.mb-2{margin-bottom:var(--space-sm)}.mb-3{margin-bottom:var(--space-md)}.mb-4{margin-bottom:var(--space-lg)}@media (max-width: 767px){.hide-mobile{display:none!important}}@media (min-width: 768px){.hide-desktop{display:none!important}}.show-mobile-only{display:none!important}@media (max-width: 767px){.show-mobile-only{display:block!important}}.card{background:var(--bg-card);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);transition:box-shadow var(--transition-normal),transform var(--transition-normal)}.card:hover{box-shadow:var(--shadow-md)}.card.card-interactive{cursor:pointer}.card.card-interactive:hover{transform:translateY(-2px)}.card.card-interactive:active{transform:translateY(0)}.btn,.btn-ghost,.btn-secondary,.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:12px 20px;border:none;border-radius:var(--radius-md);font-weight:500;font-size:.95rem;cursor:pointer;transition:all var(--transition-fast);min-height:44px}@media (max-width: 767px){.btn,.btn-ghost,.btn-secondary,.btn-primary{padding:14px 24px;width:100%}}.btn:disabled,.btn-ghost:disabled,.btn-secondary:disabled,.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--color-gradient);color:var(--text-inverse)}.btn-primary:hover:not(:disabled){opacity:.92;transform:translateY(-1px)}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-secondary{background:var(--bg-card);color:var(--text-primary);border:1px solid var(--border-light)}.btn-secondary:hover:not(:disabled){background:var(--bg-hover);border-color:var(--border-medium)}.btn-ghost{background:transparent;color:var(--color-primary)}.btn-ghost:hover:not(:disabled){background:var(--bg-hover)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:#f1f1f1}::-webkit-scrollbar-thumb{background:#ccc;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#999}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideIn{0%{transform:translateY(-10px);opacity:0}to{transform:translateY(0);opacity:1}}.fade-in{animation:fadeIn .3s ease-out}.slide-in{animation:slideIn .3s ease-out}