:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}:root{--primary-color: #D4AF37;--primary-hover: #B8941F;--primary-dark: #9C7A0F;--primary-light: #E8D4A0;--secondary-color: #000000;--accent-color: #C9A961;--gray-50: #f9fafb;--gray-100: #f3f4f6;--gray-200: #e5e7eb;--gray-300: #d1d5db;--gray-400: #9ca3af;--gray-500: #6b7280;--gray-600: #4b5563;--gray-700: #374151;--gray-800: #1f2937;--gray-900: #111827;--success: #10b981;--success-light: #d1fae5;--success-dark: #059669;--warning: #f59e0b;--warning-light: #fef3c7;--warning-dark: #d97706;--error: #ef4444;--error-light: #fee2e2;--error-dark: #dc2626;--info: #3b82f6;--info-light: #dbeafe;--info-dark: #2563eb;--black: #000;--dark: #333;--white: #fff;--light-bg: #f8f9fa;--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--space-3xl: 4rem;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 1.875rem;--font-size-4xl: 2.25rem;--font-weight-normal: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--line-height-tight: 1.25;--line-height-normal: 1.5;--line-height-relaxed: 1.75;--shadow-xs: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-sm: 0 1px 3px 0 rgb(0 0 0 / .1), 0 1px 2px -1px rgb(0 0 0 / .1);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / .1), 0 8px 10px -6px rgb(0 0 0 / .1);--shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / .25);--shadow-inner: inset 0 2px 4px 0 rgb(0 0 0 / .05);--radius-none: 0;--radius-sm: .25rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-2xl: 1.5rem;--radius-full: 9999px;--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-base: .2s cubic-bezier(.4, 0, .2, 1);--transition-slow: .3s cubic-bezier(.4, 0, .2, 1);--transition-slower: .5s cubic-bezier(.4, 0, .2, 1);--z-dropdown: 1000;--z-sticky: 1020;--z-fixed: 1030;--z-modal-backdrop: 1040;--z-modal: 1050;--z-popover: 1060;--z-tooltip: 1070;--breakpoint-sm: 640px;--breakpoint-md: 768px;--breakpoint-lg: 1024px;--breakpoint-xl: 1280px;--breakpoint-2xl: 1536px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-sans);line-height:var(--line-height-normal);color:var(--gray-800);font-size:16px;background-color:var(--gray-50);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}button:focus{outline:none}button:focus-visible{outline:2px solid var(--primary-color);outline-offset:2px}@keyframes spin{to{transform:rotate(360deg)}}.spinner{border:3px solid var(--gray-200);border-top-color:var(--primary-color);border-radius:var(--radius-full);width:40px;height:40px;animation:spin .8s linear infinite}.toast-container{position:fixed;bottom:var(--space-lg);right:var(--space-lg);z-index:var(--z-tooltip);display:flex;flex-direction:column;gap:var(--space-sm);max-width:400px}.loading-container,.loading-state{display:flex;justify-content:center;align-items:center;padding:var(--space-2xl)}.empty-state{text-align:center;padding:var(--space-3xl) var(--space-xl);color:var(--gray-600)}.empty-state-icon{font-size:var(--font-size-4xl);margin-bottom:var(--space-md)}.header{position:fixed;width:100%;top:0;background:var(--black);padding:0;z-index:1000;box-shadow:0 2px 5px #0000001a}.nav{display:flex;justify-content:space-between;align-items:center;padding:.5rem 5%;max-width:1400px;margin:0 auto}.nav-brand{display:flex;align-items:center;gap:12px;color:var(--white);font-size:1.5rem;font-weight:700;text-decoration:none;transition:color .3s ease}.nav-logo{height:40px;width:auto;object-fit:contain;filter:brightness(0) invert(1)}.nav-brand:hover{color:var(--primary-color)}.nav-links{display:flex;list-style:none;gap:2rem;align-items:center}.nav-links a{color:var(--white);text-decoration:none;font-weight:500;transition:color .3s ease;font-size:.95rem}.nav-links a:hover{color:var(--primary-color)}.nav-auth{display:flex;gap:1rem;align-items:center}.user-greeting{color:var(--white);font-weight:500;font-size:.95rem}.btn-nav{padding:.5rem 1.5rem;border:none;background:transparent;color:var(--white);cursor:pointer;font-weight:500;border-radius:5px;transition:background .3s ease,color .3s ease;font-size:.95rem}.btn-nav:hover{background:#ffffff1a}.btn-nav.btn-primary{background:var(--primary-color);color:var(--black)}.btn-nav.btn-primary:hover{background:var(--primary-hover)}.menu-toggle{display:none;background:none;border:none;cursor:pointer;padding:.5rem;margin-left:auto}.menu-toggle span{display:block;width:25px;height:3px;background:var(--white);margin:5px 0;transition:transform .3s ease,opacity .3s ease}.menu-toggle.active span:nth-child(1){transform:translateY(8px) rotate(45deg)}.menu-toggle.active span:nth-child(2){opacity:0}.menu-toggle.active span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}.hero{background:linear-gradient(135deg,#000,#1a1a1a);color:var(--white);padding:120px 5% 60px;display:flex;align-items:center;min-height:70vh}.hero-container{display:grid;grid-template-columns:1fr 1fr;gap:60px;max-width:1200px;margin:0 auto;align-items:center}.hero-content{text-align:center}.hero-logo-wrapper{margin-bottom:30px;display:flex;justify-content:center;align-items:center;gap:20px}.hero-logo-img{height:100px;width:auto;object-fit:contain;filter:brightness(0) invert(1)}.hero-content h2{font-size:2.25rem;font-weight:900;margin-bottom:1.5rem;line-height:1.1;letter-spacing:-1px;color:var(--white)}.hero-content p{font-size:1.25rem;margin-bottom:2rem;opacity:.9;line-height:1.6}.hero-buttons{display:flex;gap:1rem;justify-content:center}.hero-buttons .btn-secondary{background:#ffffffe6;color:var(--dark);border:2px solid rgba(255,255,255,.9)}.hero-buttons .btn-secondary:hover{background:var(--white);color:var(--black);border:2px solid var(--white)}.hero-image{display:flex;justify-content:center;align-items:center}.hero-gym-image{width:100%;max-width:500px;height:500px;object-fit:cover;border-radius:20px;box-shadow:0 20px 60px #ffd7004d}.hero-placeholder{width:100%;max-width:500px;height:500px;background:linear-gradient(135deg,var(--primary-color),var(--primary-hover));border-radius:20px;display:flex;align-items:center;justify-content:center;color:var(--black);font-size:1.2rem;font-weight:600;position:relative;overflow:hidden;box-shadow:0 20px 60px #ffd7004d}.hero-placeholder:before{content:"";position:absolute;top:-50%;right:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(255,255,255,.2) 0%,transparent 70%);animation:float 15s infinite ease-in-out}.about,.services,.trainers,.contact{padding:80px 5%}.container{max-width:1200px;margin:0 auto}h2{text-align:center;font-size:2rem;margin-bottom:2rem;font-weight:800;letter-spacing:-.5px;color:var(--dark)}.about{background:var(--light-bg)}.about-content{text-align:center;max-width:800px;margin:0 auto}.about-content p{font-size:1.2rem;margin-bottom:3rem;line-height:1.8;color:#555}.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:2rem;margin-top:3rem}.feature{text-align:center;padding:2rem 1rem;background:var(--white);border-radius:10px;box-shadow:0 5px 15px #00000014;transition:transform .3s ease,box-shadow .3s ease}.feature:hover{transform:translateY(-5px);box-shadow:0 10px 25px #00000026}.feature-icon{width:60px;height:60px;margin:0 auto 1rem;background:var(--primary-color);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.5rem}.feature h3{font-size:1.3rem;margin-bottom:.5rem;font-weight:700}.feature p{color:#666;line-height:1.6}.services{background:var(--light-bg)}.services-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:3rem;margin-top:3rem}.service-card{background:var(--white);border-radius:15px;overflow:hidden;box-shadow:0 10px 30px #0000001a;transition:transform .3s ease,box-shadow .3s ease}.service-card:hover{transform:translateY(-10px);box-shadow:0 15px 40px #00000026}.service-image{width:100%;height:250px;overflow:hidden;display:flex;align-items:center;justify-content:center;background:var(--light-bg)}.service-image img{width:100%;height:100%;object-fit:cover}.service-image-placeholder{width:100%;height:100%;background:linear-gradient(135deg,var(--primary-color),var(--primary-hover));display:flex;align-items:center;justify-content:center;font-size:1rem;font-weight:600;color:var(--black)}.service-content{padding:2rem}.service-content h3{font-size:1.8rem;margin-bottom:1rem;font-weight:700}.service-content p{color:#666;margin-bottom:1.5rem;line-height:1.6}.btn-secondary{display:inline-block;padding:.75rem 2rem;background:transparent;color:var(--black);border:2px solid var(--black);text-decoration:none;border-radius:5px;font-weight:600;transition:all .3s ease}.btn-secondary:hover{background:var(--black);color:var(--white)}.btn-secondary.danger{border-color:#dc3545;color:#dc3545}.btn-secondary.danger:hover{background:#dc3545;color:var(--white)}.trainers{background:var(--white)}.trainers-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:3rem;margin-top:3rem}.trainer-card{text-align:center;background:var(--white);padding:2rem;border-radius:15px;box-shadow:0 5px 20px #00000014;transition:transform .3s ease}.trainer-card:hover{transform:translateY(-5px);box-shadow:0 10px 30px #00000026}.trainer-image{width:150px;height:150px;border-radius:50%;background:linear-gradient(135deg,var(--primary-color),var(--primary-hover));margin:0 auto 1.5rem;display:flex;align-items:center;justify-content:center;font-size:.9rem;color:var(--black);font-weight:600}.trainer-card h3{font-size:1.5rem;margin-bottom:.5rem;font-weight:700}.trainer-card .specialty{color:var(--primary-hover);font-weight:600;margin-bottom:1rem}.trainer-card p{color:#666;font-style:italic;line-height:1.6}.contact{background:var(--dark);color:var(--white)}.contact h2{color:var(--white)}.contact-content{display:grid;grid-template-columns:1fr 1fr;gap:4rem;margin-top:3rem}.contact-info h3,.contact-form h3{font-size:1.8rem;margin-bottom:2rem;font-weight:700;color:var(--white)}.alert{padding:1rem;border-radius:8px;margin-bottom:1.5rem;font-size:.95rem;font-weight:500}.alert-success{background:#d1fae5;color:#065f46;border:1px solid #10b981}.alert-error{background:#fee2e2;color:#991b1b;border:1px solid #ef4444}.contact-item{margin-bottom:1.5rem;display:flex;align-items:start;gap:1rem}.contact-item strong{color:var(--primary-color);min-width:100px}.contact-item span{color:var(--white)}.form-group{margin-bottom:1.5rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:600;color:var(--dark)}.form-group input,.form-group textarea{width:100%;padding:.75rem;border:1px solid #ddd;border-radius:5px;font-family:inherit;transition:border-color .3s ease,box-shadow .3s ease;box-sizing:border-box;max-width:100%}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #ffd7001a}.form-group textarea{resize:vertical;min-height:120px}.btn-primary,.btn-secondary,.btn-warning,.btn-success,.btn-danger{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-lg);border:2px solid transparent;border-radius:var(--radius-md);font-weight:var(--font-weight-semibold);font-size:var(--font-size-sm);line-height:1;cursor:pointer;transition:all var(--transition-base);text-decoration:none;white-space:nowrap;box-shadow:var(--shadow-sm)}.btn-primary{background:var(--primary-color);color:var(--black)}.btn-primary:hover:not(:disabled){background:var(--primary-hover);box-shadow:var(--shadow-md);transform:translateY(-1px)}.btn-primary:active:not(:disabled){transform:translateY(0);box-shadow:var(--shadow-sm)}.btn-primary:disabled{opacity:.5;cursor:not-allowed;box-shadow:none}.btn-secondary{background:var(--white);color:var(--gray-700);border-color:var(--gray-300)}.btn-secondary:hover:not(:disabled){background:var(--gray-50);border-color:var(--gray-400);box-shadow:var(--shadow-md)}.btn-secondary.danger{color:var(--error);border-color:var(--error)}.btn-secondary.danger:hover:not(:disabled){background:var(--error-light);border-color:var(--error-dark)}.btn-warning{background:var(--warning);color:var(--white)}.btn-warning:hover:not(:disabled){background:var(--warning-dark);box-shadow:var(--shadow-md);transform:translateY(-1px)}.btn-success{background:var(--success);color:var(--white)}.btn-success:hover:not(:disabled){background:var(--success-dark);box-shadow:var(--shadow-md);transform:translateY(-1px)}.btn-danger{background:var(--error);color:var(--white)}.btn-danger:hover:not(:disabled){background:var(--error-dark);box-shadow:var(--shadow-md);transform:translateY(-1px)}.btn-sm{padding:var(--space-xs) var(--space-md);font-size:var(--font-size-xs)}.btn-lg{padding:var(--space-md) var(--space-xl);font-size:var(--font-size-base)}.footer{background:var(--black);color:var(--white);text-align:center;padding:2rem 5%}.modal-overlay{position:fixed;inset:0;background:#0009;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;justify-content:center;align-items:center;z-index:var(--z-modal-backdrop);padding:var(--space-lg);animation:fadeIn var(--transition-base)}.modal-content{background:var(--white);border-radius:var(--radius-xl);width:100%;max-width:800px;max-height:90vh;display:flex;flex-direction:column;box-shadow:var(--shadow-2xl);animation:slideUp var(--transition-slow);z-index:var(--z-modal)}@keyframes slideUp{0%{opacity:0;transform:translateY(20px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.modal-content form{display:flex;flex-direction:column;flex:1;min-height:0;overflow:hidden}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:var(--space-lg) var(--space-xl);border-bottom:1px solid var(--gray-200);flex-shrink:0}.modal-header h2{margin:0;font-size:var(--font-size-2xl);font-weight:var(--font-weight-bold);color:var(--gray-900)}.close-button{background:none;border:none;font-size:2rem;cursor:pointer;color:var(--gray-400);line-height:1;padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-full);transition:all var(--transition-fast)}.close-button:hover{background-color:var(--gray-100);color:var(--gray-700)}.card{background:var(--white);border-radius:var(--radius-lg);padding:var(--space-lg);box-shadow:var(--shadow-sm);transition:all var(--transition-base);border:1px solid var(--gray-200)}.card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.card-static{background:var(--white);border-radius:var(--radius-lg);padding:var(--space-lg);box-shadow:var(--shadow-sm);border:1px solid var(--gray-200)}.stat-card{background:var(--white);border-radius:var(--radius-lg);padding:var(--space-lg);display:flex;align-items:center;gap:var(--space-md);box-shadow:var(--shadow-sm);border:1px solid var(--gray-200);transition:all var(--transition-base)}.stat-card:hover{box-shadow:var(--shadow-md);border-color:var(--primary-color)}.stat-card.variant-primary{background:linear-gradient(135deg,var(--primary-light) 0%,var(--white) 100%);border-color:var(--primary-color)}.stat-card.variant-success{background:linear-gradient(135deg,var(--success-light) 0%,var(--white) 100%);border-color:var(--success)}.stat-icon{font-size:var(--font-size-3xl);background:var(--primary-color);width:60px;height:60px;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;flex-shrink:0;box-shadow:var(--shadow-sm)}.stat-content h3{font-size:var(--font-size-sm);margin-bottom:var(--space-xs);color:var(--gray-600);font-weight:var(--font-weight-medium);text-transform:uppercase;letter-spacing:.05em}.stat-number{font-size:var(--font-size-3xl);font-weight:var(--font-weight-bold);color:var(--gray-900);margin:0;line-height:1}.stat-trend{font-size:var(--font-size-sm);color:var(--gray-500);margin-top:var(--space-xs)}.stat-trend.positive{color:var(--success)}.stat-trend.negative{color:var(--error)}.auth-form{padding:2rem;overflow-y:auto;flex:1}.form-group input.error{border-color:#dc3545}.error-text{color:#dc3545;font-size:.875rem;margin-top:.25rem;display:block}.error-message{background-color:#f8d7da;border:1px solid #f5c6cb;color:#721c24;padding:.75rem 1.25rem;margin:1rem 2rem;border-radius:5px;font-size:.9rem}.auth-submit{width:100%;margin-top:1.5rem;padding:1rem;font-size:1.1rem}.auth-footer{padding:1.5rem 2rem;border-top:1px solid #e5e5e5;text-align:center;background:#f8f9fa}.auth-footer p{margin:.5rem 0;color:#666;font-size:.9rem}.toggle-mode-btn{background:none;border:none;color:var(--primary-hover);cursor:pointer;font-weight:600;margin-left:.25rem;text-decoration:underline;font-size:.9rem}.toggle-mode-btn:hover{color:var(--primary-color)}.auth-footer a{color:var(--primary-hover);text-decoration:none;font-size:.9rem}.auth-footer a:hover{text-decoration:underline}.carousel-section{padding:80px 5%;background:var(--white)}.carousel-container{position:relative;max-width:1200px;margin:0 auto;overflow:hidden;border-radius:15px;box-shadow:0 10px 30px #0000001a}.carousel-track{display:flex;transition:transform .5s ease-in-out}.carousel-slide{min-width:100%;background:var(--white)}.slide-content{display:flex;align-items:center;padding:4rem;gap:4rem;min-height:400px}.slide-placeholder{flex:0 0 40%;height:300px;background:linear-gradient(135deg,var(--primary-color),var(--primary-hover));border-radius:10px;display:flex;align-items:center;justify-content:center;font-weight:600;color:var(--black);overflow:hidden}.slide-logo{width:100%;height:100%;object-fit:cover}.slide-text{flex:1;display:flex;flex-direction:column;justify-content:center}.slide-text h3{font-size:2rem;margin-bottom:1rem;color:var(--dark);font-weight:700}.slide-text p{font-size:1.1rem;line-height:1.8;color:#666;margin-bottom:1.5rem}.carousel-nav{position:absolute;bottom:20px;left:50%;transform:translate(-50%);display:flex;gap:10px}.carousel-dot{width:12px;height:12px;border-radius:50%;background:#0000004d;border:none;cursor:pointer;transition:background .3s ease,transform .3s ease}.carousel-dot.active{background:var(--primary-color);transform:scale(1.2)}.carousel-button{position:absolute;top:50%;transform:translateY(-50%);background:#00000080;color:var(--white);border:none;width:50px;height:50px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:1.5rem;transition:background .3s ease;z-index:1}.carousel-button:hover{background:#000c}.carousel-prev{left:20px}.carousel-next{right:20px}.section-actions{display:flex;justify-content:center;align-items:center;gap:1rem;margin-top:2rem;flex-wrap:wrap}@media (max-width: 768px){.nav-links,.nav-auth{display:none;position:absolute;top:100%;left:0;width:100%;background:var(--black);flex-direction:column;padding:1rem;box-shadow:0 2px 5px #0000001a}.nav-links.active,.nav-auth.active{display:flex}.nav-links{border-bottom:1px solid 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#0000001a}.attendance-btn:active:not(:disabled){transform:translateY(0)}.attendance-btn:disabled{opacity:.5;cursor:not-allowed}.attendance-btn.attended{background:#4caf50;color:#fff;border-color:#4caf50;font-weight:600}.attendance-btn.attended:hover:not(:disabled){background:#45a049;border-color:#45a049}.attendance-btn.not-attended{background:#f44336;color:#fff;border-color:#f44336;font-weight:600}.attendance-btn.not-attended:hover:not(:disabled){background:#da190b;border-color:#da190b}