/* --- PASTE THE COMPLETE CSS CODE FROM THE PREVIOUS ALL-IN-ONE HTML FILE HERE --- */
/* It's the long block of text that starts with :root { ... } and ends with @media ... */
:root{--primary-color:#ff4500;--primary-hover:#ff6a33;--background-dark:#0d1117;--background-light:#161b22;--border-color:#30363d;--text-primary:#c9d1d9;--text-secondary:#8b949e;--text-dark:#ffffff;--success-color:#238636;--danger-color:#da3633;--info-color:#388bfd;--box-shadow:0 10px 25px -5px rgba(0,0,0,.3);--border-radius:12px}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:'Poppins',sans-serif;background-color:var(--background-dark);color:var(--text-primary);line-height:1.6}h1,h2,h3,h4{font-weight:700;color:var(--text-primary)}h1{font-size:2.8rem;font-weight:800}h2{font-size:2rem;margin-bottom:2rem;text-align:center}h3{font-size:1.25rem}h4{font-size:1.1rem;color:var(--primary-color)}a{color:var(--primary-color);text-decoration:none;transition:color .3s ease}a:hover{color:var(--primary-hover)}main{min-height:calc(100vh - 150px)}.container{max-width:1200px;margin:0 auto;padding:0 1.5rem}header{background:var(--background-dark);padding:1rem 1.5rem;display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;z-index:1000;border-bottom:1px solid var(--border-color)}.site-identity{display:flex;align-items:center;gap:12px}.site-identity img{height:40px;border-radius:50%}.site-identity h1{margin:0;font-size:1.5rem;font-weight:700;color:var(--text-primary)}.main-nav{display:flex;gap:1.5rem}.main-nav a{color:var(--text-secondary);font-weight:500;transition:color .2s;cursor:pointer}.main-nav a:hover,.main-nav a.active{color:var(--text-primary)}.profile-section{position:relative}#profile-icon{width:40px;height:40px;border-radius:50%;background-color:var(--background-light);display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--primary-color);cursor:pointer;transition:all .3s ease;overflow:hidden}#profile-icon img{width:100%;height:100%;object-fit:cover}#profile-icon:hover{transform:scale(1.1);box-shadow:0 0 15px rgba(255,69,0,.4)}.profile-dropdown{display:none;position:absolute;right:0;top:55px;background-color:var(--background-light);min-width:220px;box-shadow:var(--box-shadow);z-index:100;border-radius:var(--border-radius);overflow:hidden;animation:fadeIn .3s ease-out;border:1px solid var(--border-color)}.profile-dropdown a{color:var(--text-secondary);padding:12px 18px;text-decoration:none;display:flex;align-items:center;gap:10px;transition:background-color .3s,color .3s;cursor:pointer}.profile-dropdown a:hover{background-color:var(--primary-color);color:var(--text-dark)}.profile-dropdown .username-display{padding:15px 18px;font-weight:600;color:var(--text-primary);text-align:center;border-bottom:1px solid var(--border-color);font-size:1.1rem}.profile-dropdown .username-display small{color:var(--primary-color);font-weight:500}.profile-dropdown a.admin-link{background:var(--info-color);color:var(--text-primary)}@keyframes fadeIn{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.hero{text-align:center;padding:4rem 1.5rem;background:linear-gradient(rgba(13,17,23,.8),rgba(13,17,23,.8)),url(https://i.imgur.com/gC4pC3m.png) no-repeat center center/cover;border-bottom:1px solid var(--border-color)}.hero h1{color:var(--text-primary);text-shadow:0 3px 10px rgba(0,0,0,.7)}.hero p{color:var(--text-secondary);max-width:500px;margin:1rem auto 2rem;font-size:1.1rem}.btn-hero{padding:12px 28px;border-radius:50px;font-weight:600;font-size:1rem;border:2px solid transparent;cursor:pointer;transition:all .3s ease;background-color:var(--primary-color);color:var(--text-dark)}.btn-hero:hover{background-color:var(--primary-hover);transform:translateY(-3px);box-shadow:0 5px 15px rgba(255,69,0,.3)}.tournament-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.5rem}.tournament-card{background:var(--background-light);border-radius:var(--border-radius);overflow:hidden;border:1px solid var(--border-color);transition:all .3s ease;box-shadow:0 4px 10px rgba(0,0,0,.2);display:flex;flex-direction:column}.tournament-card:hover{transform:translateY(-8px);box-shadow:0 8px 20px rgba(0,0,0,.4);border-color:var(--primary-color)}.card-image{height:160px;background-size:cover;background-position:center}.card-content{padding:1rem 1.5rem;display:flex;flex-direction:column;flex-grow:1}.card-content h3{margin-bottom:.5rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.card-details{display:flex;justify-content:space-between;margin:.5rem 0 1rem;font-size:.9rem;color:var(--text-secondary)}.card-details span{color:var(--text-primary);font-weight:600}.card-buttons{display:flex;gap:.75rem;margin-top:auto;padding-top:1rem}.btn-card{flex-grow:1;padding:10px;border-radius:8px;font-weight:600;cursor:pointer;transition:all .3s ease;border:2px solid transparent;font-size:.9rem;text-align:center}.btn-card.primary{background-color:var(--primary-color);color:var(--text-dark)}.btn-card:disabled{background:#374151;cursor:not-allowed;color:#8b949e;border-color:#374151;transform:none;box-shadow:none}.btn-card.joined{background-color:var(--success-color);color:var(--text-dark);border-color:var(--success-color)}.page-container{padding:3rem 1.5rem}.form-container-box{max-width:600px;margin:0 auto;background:var(--background-light);padding:2.5rem;border-radius:var(--border-radius)}.form-container-box h2{text-align:center;margin-bottom:2rem}.instructions-box{background:var(--background-dark);padding:1.5rem;border-radius:var(--border-radius);margin-bottom:2rem;color:var(--text-secondary)}.instructions-box h4{color:var(--text-primary)}.instructions-box ol{padding-left:20px}.payment-numbers{margin-top:1rem}.form-group{margin-bottom:1.5rem}.form-group label{display:block;margin-bottom:.5rem;color:var(--text-secondary)}.form-group input,.form-group select,.form-group textarea{width:100%;padding:12px;background:var(--background-dark);border:1px solid var(--border-color);color:var(--text-primary);border-radius:8px;font-size:1rem;font-family:'Poppins'}.btn-modal{width:100%;padding:12px;border-radius:8px;font-weight:600;font-size:1rem;cursor:pointer;margin-top:1.5rem;background-color:var(--primary-color);color:var(--text-dark);border:none}.message{padding:1rem;border-radius:var(--border-radius);margin-bottom:1.5rem}.success-message{background-color:rgba(35,134,54,.2);color:var(--success-color)}.error-message{background-color:rgba(218,54,51,.2);color:var(--danger-color)}.admin-container,.profile-container{max-width:1200px;margin:0 auto;padding:3rem 1.5rem}.admin-section,.profile-section-box{background:var(--background-light);padding:2rem;border-radius:var(--border-radius);margin-bottom:2rem}.admin-section h3,.profile-section-box h3{margin-top:0;padding-bottom:1rem;border-bottom:1px solid var(--border-color);margin-bottom:1rem}.history-table-container{overflow-x:auto}.history-table{width:100%;border-collapse:collapse}.history-table th{background-color:var(--background-dark);padding:12px 15px;text-align:left}.history-table td{padding:12px 15px;border-top:1px solid var(--border-color)}.status-pending{color:var(--primary-color)}.status-approved{color:var(--success-color)}.status-rejected{color:var(--danger-color)}.action-btn{padding:5px 10px;border-radius:6px;border:none;cursor:pointer;color:white;font-size:.9rem;margin:2px}.approve-btn{background:var(--success-color)}.reject-btn{background:var(--danger-color)}.delete-btn{background:var(--danger-color)}.edit-btn{background:var(--info-color)}footer{background:var(--background-dark);text-align:center;padding:2rem;margin-top:50px;border-top:1px solid var(--border-color);color:var(--text-secondary)}.modal{display:none;position:fixed;z-index:1001;left:0;top:0;width:100%;height:100%;overflow:auto;background-color:rgba(0,0,0,.85);backdrop-filter:blur(5px);animation:fadeIn .3s}.modal-content{background-color:var(--background-light);margin:5% auto;padding:2.5rem;border:1px solid var(--border-color);width:90%;max-width:500px;border-radius:var(--border-radius);box-shadow:var(--box-shadow);position:relative;animation:slideInUp .5s cubic-bezier(.165,.84,.44,1)}@keyframes slideInUp{from{transform:translateY(50px) scale(.95);opacity:0}to{transform:translateY(0) scale(1);opacity:1}}.close-btn{color:var(--text-secondary);position:absolute;top:15px;right:25px;font-size:32px;font-weight:bold;transition:color .3s,transform .3s;cursor:pointer}.close-btn:hover{color:var(--primary-color);transform:rotate(90deg)}.modal-content h2{text-align:left}.login-register-tabs{display:flex;justify-content:center;margin-bottom:1.5rem;border-bottom:2px solid var(--border-color)}.tab-btn{background:none;border:none;color:var(--text-secondary);padding:15px 20px;cursor:pointer;font-size:1.1rem;flex-grow:1;position:relative;border-bottom:3px solid transparent;transition:all .3s ease}.tab-btn.active{color:var(--primary-color);border-bottom-color:var(--primary-color)}.form-container{display:none}.form-container.active{display:block;animation:fadeIn .5s}#notification-bar{position:fixed;top:-100px;left:50%;transform:translateX(-50%);width:90%;max-width:500px;padding:1rem;border-radius:var(--border-radius);box-shadow:var(--box-shadow);text-align:center;font-weight:500;z-index:2000;transition:top .5s ease-in-out}#notification-bar.show{top:20px}#notification-bar.success{background-color:var(--success-color);color:var(--text-dark)}#notification-bar.error{background-color:var(--danger-color);color:var(--text-dark)}@media (max-width:768px){.main-nav{display:none}h1{font-size:2.2rem}h2{font-size:1.8rem}}```