:root{--bg-primary: #0f1115;--bg-secondary: #161a23;--bg-surface: #1e2330;--bg-surface-hover: #262c3c;--color-primary: #e2b85c;--color-primary-hover: #f0cb76;--color-primary-dark: #b88f32;--color-text-primary: #f3f4f6;--color-text-secondary: #9ca3af;--color-text-muted: #6b7280;--color-accent-blue: #3b82f6;--color-accent-green: #10b981;--color-accent-red: #ef4444;--border-color: #2b3346;--border-focus: #e2b85c;--font-sans: "Outfit", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-serif: "Playfair Display", Georgia, serif;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .15), 0 10px 10px -5px rgba(0, 0, 0, .04);--radius-sm: 6px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-primary);color:var(--color-text-primary);font-family:var(--font-sans);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.app-container{min-height:100vh;display:flex;flex-direction:column}.app-header{background-color:var(--bg-secondary);border-bottom:1px solid var(--border-color);padding:1rem 2rem;display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;z-index:100;box-shadow:var(--shadow-md)}.logo-container{display:flex;align-items:center;gap:.75rem}.logo-icon{font-size:2rem;animation:float 3s ease-in-out infinite}.logo-text{font-family:var(--font-serif);font-size:1.75rem;font-weight:700;background:linear-gradient(135deg,var(--color-primary),#ffffff);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.main-content{flex:1;max-width:1200px;width:100%;margin:0 auto;padding:2rem 1rem}.hero-section{text-align:center;margin-bottom:3rem;position:relative;overflow:hidden;padding:3rem 1.5rem;background:radial-gradient(circle at top,#262c3c 0%,var(--bg-secondary) 100%);border-radius:var(--radius-lg);border:1px solid var(--border-color);box-shadow:var(--shadow-lg)}.hero-title{font-family:var(--font-serif);font-size:3rem;margin-bottom:1rem;color:var(--color-text-primary);letter-spacing:-.02em}.hero-subtitle{font-size:1.125rem;color:var(--color-text-secondary);max-width:600px;margin:0 auto}.form-group{margin-bottom:1.25rem}.form-label{display:block;font-size:.875rem;font-weight:500;margin-bottom:.5rem;color:var(--color-text-secondary)}.input-text{width:100%;padding:.75rem 1rem;background-color:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--color-text-primary);font-family:var(--font-sans);font-size:1rem;transition:all .2s ease}.input-text:focus{outline:none;border-color:var(--border-focus);box-shadow:0 0 0 3px #e2b85c26}.input-select{width:100%;padding:.75rem 1rem;background-color:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--color-text-primary);font-family:var(--font-sans);font-size:1rem;cursor:pointer;transition:all .2s ease}.input-select:focus{outline:none;border-color:var(--border-focus)}.radio-group{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-top:.5rem}.radio-card{border:1px solid var(--border-color);border-radius:var(--radius-md);padding:1rem;cursor:pointer;display:flex;flex-direction:column;gap:.25rem;background-color:var(--bg-primary);transition:all .2s ease}.radio-card.active{border-color:var(--color-primary);background-color:#e2b85c0d;box-shadow:0 0 0 1px var(--color-primary)}.radio-title{font-weight:600;color:var(--color-text-primary)}.radio-desc{font-size:.75rem;color:var(--color-text-secondary)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.5rem;font-family:var(--font-sans);font-size:.95rem;font-weight:600;border-radius:var(--radius-md);cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);border:none;text-decoration:none}.btn-primary{background-color:var(--color-primary);color:#000}.btn-primary:hover{background-color:var(--color-primary-hover);transform:translateY(-1px)}.btn-primary:active{transform:translateY(0)}.btn-secondary{background-color:var(--bg-surface);color:var(--color-text-primary);border:1px solid var(--border-color)}.btn-secondary:hover{background-color:var(--bg-surface-hover);border-color:var(--color-text-secondary)}.btn-danger{background-color:#ef444426;color:var(--color-accent-red);border:1px solid rgba(239,68,68,.3)}.btn-danger:hover{background-color:#ef444440}.tournaments-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:1.5rem;margin-top:1.5rem}.tournament-card{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:1.5rem;transition:all .3s ease;cursor:pointer;display:flex;flex-direction:column;justify-content:space-between;height:200px;position:relative;overflow:hidden}.tournament-card:before{content:"";position:absolute;top:0;left:0;width:100%;height:4px;background:linear-gradient(90deg,var(--color-primary),transparent);opacity:0;transition:opacity .3s ease}.tournament-card:hover{transform:translateY(-4px);border-color:var(--color-primary);box-shadow:var(--shadow-xl)}.tournament-card:hover:before{opacity:1}.tournament-card-header{display:flex;justify-content:space-between;align-items:flex-start}.tournament-title{font-family:var(--font-serif);font-size:1.35rem;font-weight:700;color:var(--color-text-primary);line-height:1.2}.badge{display:inline-flex;align-items:center;padding:.25rem .625rem;font-size:.75rem;font-weight:600;border-radius:9999px;text-transform:uppercase}.badge-created{background-color:#3b82f626;color:var(--color-accent-blue);border:1px solid rgba(59,130,246,.3)}.badge-progress{background-color:#e2b85c26;color:var(--color-primary);border:1px solid rgba(226,184,92,.3)}.badge-completed{background-color:#10b98126;color:var(--color-accent-green);border:1px solid rgba(16,185,129,.3)}.tournament-card-footer{display:flex;justify-content:space-between;align-items:center;color:var(--color-text-secondary);font-size:.85rem}.back-link{display:inline-flex;align-items:center;gap:.5rem;color:var(--color-text-secondary);text-decoration:none;font-weight:500;margin-bottom:1.5rem;cursor:pointer;transition:color .2s ease}.back-link:hover{color:var(--color-primary)}.dashboard-layout{display:grid;grid-template-columns:1fr;gap:2rem}@media (min-width: 1024px){.dashboard-layout{grid-template-columns:350px 1fr}}.card-panel{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:1.75rem;box-shadow:var(--shadow-lg)}.card-title{font-family:var(--font-serif);font-size:1.5rem;margin-bottom:1.25rem;color:var(--color-text-primary);display:flex;align-items:center;gap:.5rem;border-bottom:1px solid var(--border-color);padding-bottom:.75rem}.tabs{display:flex;gap:.5rem;margin-bottom:1.5rem;border-bottom:1px solid var(--border-color);padding-bottom:2px}.tab-btn{background:none;border:none;color:var(--color-text-secondary);font-family:var(--font-sans);font-size:.95rem;font-weight:600;padding:.5rem 1rem;cursor:pointer;position:relative;transition:color .2s ease}.tab-btn:hover{color:var(--color-text-primary)}.tab-btn.active{color:var(--color-primary)}.tab-btn.active:after{content:"";position:absolute;bottom:-2px;left:0;width:100%;height:2px;background-color:var(--color-primary)}.players-list{list-style:none;display:flex;flex-direction:column;gap:.75rem}.player-item{display:flex;justify-content:space-between;align-items:center;padding:.75rem 1rem;background-color:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-md);transition:all .2s ease}.player-item:hover{border-color:var(--color-text-muted)}.player-name{font-weight:500}.table-wrapper{overflow-x:auto;border-radius:var(--radius-md);border:1px solid var(--border-color)}.standings-table{width:100%;border-collapse:collapse;text-align:left;font-size:.95rem}.standings-table th{background-color:var(--bg-surface);color:var(--color-text-secondary);font-weight:600;padding:.75rem 1rem;font-size:.85rem;text-transform:uppercase}.standings-table td{padding:.875rem 1rem;border-bottom:1px solid var(--border-color);background-color:var(--bg-secondary)}.standings-table tr:last-child td{border-bottom:none}.standings-table tr:hover td{background-color:var(--bg-surface-hover)}.rank-cell{font-weight:700;width:50px;text-align:center;color:var(--color-text-secondary)}.rank-top-1{color:gold}.rank-top-2{color:silver}.rank-top-3{color:#cd7f32}.player-cell{font-weight:600}.points-cell{font-weight:700;color:var(--color-primary)}.matches-list{display:flex;flex-direction:column;gap:1rem}.round-header{font-size:1.15rem;font-weight:700;margin:1.5rem 0 .75rem;color:var(--color-text-primary);display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--border-color);padding-bottom:.25rem}.round-header:first-of-type{margin-top:0}.match-card{background-color:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:1rem;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:1rem;transition:border-color .2s ease}.match-card:hover{border-color:var(--border-focus)}.player-box{display:flex;align-items:center;gap:.75rem;padding:.5rem;border-radius:var(--radius-sm)}.player-box.white{justify-content:flex-end;text-align:right}.player-box.black{justify-content:flex-start;text-align:left}.color-dot{width:12px;height:12px;border-radius:50%;display:inline-block;border:1px solid #ffffff}.color-dot.white{background-color:#fff}.color-dot.black{background-color:#000;border-color:#4b5563}.versus-or-result{display:flex;flex-direction:column;align-items:center;justify-content:center}.result-selector{background-color:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-sm);color:var(--color-text-primary);padding:.35rem .5rem;font-family:var(--font-sans);font-size:.85rem;font-weight:600;cursor:pointer;outline:none}.result-selector:focus{border-color:var(--color-primary)}.result-badge{font-weight:800;padding:.25rem .75rem;background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-sm);font-size:.9rem}.result-badge.win{color:var(--color-accent-green);border-color:#10b98166}.result-badge.draw{color:var(--color-primary);border-color:#e2b85c66}@keyframes float{0%{transform:translateY(0)}50%{transform:translateY(-4px)}to{transform:translateY(0)}}.empty-state{text-align:center;padding:3rem 1.5rem;color:var(--color-text-secondary)}.empty-icon{font-size:3rem;margin-bottom:1rem}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#000000bf;display:flex;justify-content:center;align-items:center;z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.modal-content{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:2rem;width:100%;max-width:500px;box-shadow:var(--shadow-xl)}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.modal-title{font-family:var(--font-serif);font-size:1.5rem}.modal-close{background:none;border:none;color:var(--color-text-secondary);font-size:1.5rem;cursor:pointer}.modal-close:hover{color:var(--color-text-primary)}.modal-actions{display:flex;justify-content:flex-end;gap:1rem;margin-top:1.5rem}