:root{--bg-primary: #0f172a;--bg-secondary: #1e293b;--bg-tertiary: #334155;--bg-card: #1e293b;--bg-hover: #334155;--color-primary: #6366f1;--color-primary-dark: #4f46e5;--color-primary-light: #818cf8;--color-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);--text-primary: #f1f5f9;--text-secondary: #94a3b8;--text-muted: #64748b;--color-success: #10b981;--color-error: #ef4444;--color-warning: #f59e0b;--color-info: #3b82f6;--border-color: #334155;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .4), 0 2px 4px -1px rgba(0, 0, 0, .3);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .5), 0 4px 6px -2px rgba(0, 0, 0, .4);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .6), 0 10px 10px -5px rgba(0, 0, 0, .5);--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--transition-fast: .15s ease-in-out;--transition-base: .2s ease-in-out;--transition-slow: .3s ease-in-out;--sidebar-width: 260px;--header-height: 70px}@media (max-width: 768px){:root{--header-height: 56px}}@media (max-width: 480px){:root{--header-height: 52px}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6;font-size:14px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#app{min-height:100vh}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.2;color:var(--text-primary);margin-bottom:1rem}h1{font-size:2rem}h2{font-size:1.75rem}h3{font-size:1.5rem}h4{font-size:1.25rem}h5{font-size:1.125rem}h6{font-size:1rem}p{margin-bottom:1rem;color:var(--text-secondary)}a{color:var(--color-primary-light);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-primary)}.text-primary{color:var(--text-primary)}.text-secondary{color:var(--text-secondary)}.text-muted{color:var(--text-muted)}.bg-primary{background:var(--bg-primary)}.bg-secondary{background:var(--bg-secondary)}.bg-card{background:var(--bg-card)}@media (max-width: 768px){body{font-size:15px;-webkit-tap-highlight-color:transparent}h1{font-size:1.5rem}h2{font-size:1.35rem}h3{font-size:1.2rem}button:not(.btn-icon),.btn-primary,.btn-secondary,a.sidebar-menu-link{min-height:44px;min-width:44px;padding:.5rem .75rem}input.form-input,select.form-input,textarea.form-input{font-size:16px;min-height:44px;padding:.75rem 1rem}}@media (max-width: 480px){body{font-size:14px}h1{font-size:1.35rem}h2{font-size:1.2rem}}@media (max-width: 768px){.page-header{flex-wrap:wrap;gap:.75rem}.programs-page,.workouts-page,.user-programs-page,.clients-page,[class$=-page]{padding:1rem!important}}@media (max-width: 480px){.programs-page,.workouts-page,.user-programs-page,.clients-page,[class$=-page]{padding:.75rem!important}}