:root{--color-primary: #4ade80;--color-primary-hover: #22c55e;--color-primary-faded: rgba(74, 222, 128, .1);--color-bg: #0f1117;--color-bg-card: #1a1d27;--color-bg-input: #252830;--color-bg-hover: #2a2d37;--color-text: #e4e4e7;--color-text-muted: #9ca3af;--color-text-dim: #6b7280;--color-danger: #ef4444;--color-danger-hover: #dc2626;--color-warning: #f59e0b;--color-success: #22c55e;--color-border: #2e3140;--color-border-focus: #4ade80;--color-gold: #fbbf24;--space-2xs: .125rem;--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--space-3xl: 4rem;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--radius-xl: 20px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .3);--shadow-md: 0 4px 12px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 30px rgba(0, 0, 0, .5);--shadow-glow: 0 0 20px rgba(74, 222, 128, .15);--transition-fast: .15s ease;--transition-base: .25s ease;--transition-slow: .35s ease;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-text-size-adjust:100%}body{font-family:var(--font-sans);background:var(--color-bg);color:var(--color-text);line-height:1.6;min-height:100vh;-webkit-font-smoothing:antialiased}#root{min-height:100vh}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--color-text-dim)}h1,h2,h3,h4{line-height:1.3;font-weight:600}h1{font-size:1.5rem}h2{font-size:1.35rem}h3{font-size:1.1rem}h4{font-size:1rem}input,select,textarea{font-family:inherit;font-size:.95rem;background:var(--color-bg-input);color:var(--color-text);border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:var(--space-sm) var(--space-md);transition:border-color var(--transition-fast);width:100%}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--color-border-focus);box-shadow:0 0 0 2px var(--color-primary-faded)}input:disabled,select:disabled,textarea:disabled{opacity:.5;cursor:not-allowed}label{display:block;font-size:.85rem;font-weight:500;color:var(--color-text-muted);margin-bottom:var(--space-xs)}.form-group{margin-bottom:var(--space-md)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-md)}@media(max-width:600px){.form-row{grid-template-columns:1fr}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-xs);font-family:inherit;font-size:.9rem;font-weight:500;padding:var(--space-sm) var(--space-md);border-radius:var(--radius-sm);border:1px solid transparent;cursor:pointer;transition:all var(--transition-fast);text-decoration:none;white-space:nowrap}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--color-primary);color:#0f1117;font-weight:600}.btn-primary:hover:not(:disabled){background:var(--color-primary-hover);box-shadow:var(--shadow-glow)}.btn-danger{background:var(--color-danger);color:#fff}.btn-danger:hover:not(:disabled){background:var(--color-danger-hover)}.btn-ghost{background:transparent;color:var(--color-text-muted);border:1px solid var(--color-border)}.btn-ghost:hover:not(:disabled){background:var(--color-bg-hover);color:var(--color-text)}.btn-sm{font-size:.8rem;padding:var(--space-xs) var(--space-sm)}.btn-link{background:none;border:none;color:var(--color-primary);cursor:pointer;font-size:.85rem;text-decoration:underline;text-underline-offset:2px}.btn-link:hover{color:var(--color-primary-hover)}.btn-loading{display:inline-flex;align-items:center;gap:var(--space-xs)}.spinner{display:inline-block;width:16px;height:16px;border:2px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin .8s linear infinite}.spinner-lg{width:32px;height:32px;border-width:3px}@keyframes spin{to{transform:rotate(360deg)}}.app-loading{display:flex;align-items:center;justify-content:center;min-height:100vh}.loading-content{display:flex;flex-direction:column;align-items:center;gap:var(--space-lg)}.loading-logo{font-size:3rem}.loading-center{display:flex;justify-content:center;padding:var(--space-2xl)}.login-page{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:var(--space-md)}.login-form{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-xl);width:100%;max-width:420px;box-shadow:var(--shadow-lg)}.login-logo{text-align:center;margin-bottom:var(--space-lg)}.login-logo-icon{width:80px;height:80px;object-fit:contain;margin-bottom:var(--space-sm)}.login-logo h1{font-size:1.5rem;margin-bottom:var(--space-xs)}.login-subtitle{color:var(--color-text-muted);font-size:.9rem}.login-error{background:#ef44441a;border:1px solid rgba(239,68,68,.3);color:#fca5a5;padding:var(--space-sm) var(--space-md);border-radius:var(--radius-sm);font-size:.85rem;margin-bottom:var(--space-md);display:flex;align-items:center;gap:var(--space-sm)}.login-success{background:#22c55e1a;border:1px solid rgba(34,197,94,.3);color:#86efac;padding:var(--space-sm) var(--space-md);border-radius:var(--radius-sm);font-size:.85rem;margin-bottom:var(--space-md);display:flex;align-items:center;gap:var(--space-sm)}.btn-login{width:100%;padding:var(--space-md);font-size:1rem;margin-top:var(--space-sm)}.login-switch{text-align:center;margin-top:var(--space-md)}.login-hint{text-align:center;color:var(--color-text-dim);font-size:.8rem;margin-top:var(--space-md)}.login-tournament-link{color:var(--color-primary);text-decoration:none;font-size:.85rem}.login-tournament-link:hover{text-decoration:underline}.error-banner{background:#ef44441a;border:1px solid rgba(239,68,68,.3);color:#fca5a5;padding:var(--space-sm) var(--space-md);border-radius:var(--radius-sm);display:flex;align-items:center;gap:var(--space-sm);margin-bottom:var(--space-md)}.error-banner-retry{margin-left:auto;background:none;border:1px solid rgba(239,68,68,.4);color:#fca5a5;padding:var(--space-xs) var(--space-sm);border-radius:var(--radius-sm);cursor:pointer;font-size:.8rem}.error-boundary{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:var(--space-xl)}.error-boundary-content{text-align:center;max-width:480px}.error-boundary-icon{font-size:3rem;margin-bottom:var(--space-md);display:block}.error-boundary-message{color:var(--color-text-muted);margin:var(--space-md) 0}.error-boundary-actions{display:flex;gap:var(--space-sm);justify-content:center;margin-top:var(--space-lg)}.app-layout{min-height:100vh;display:flex;flex-direction:column}.app-header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-md) var(--space-lg);background:var(--color-bg-card);border-bottom:1px solid var(--color-border);position:sticky;top:0;z-index:100}.header-left{display:flex;align-items:center;gap:var(--space-md)}.header-logo-img{width:36px;height:36px;object-fit:contain}.header-title{font-size:1.2rem;display:flex;align-items:center;gap:var(--space-xs)}.header-title-icon{font-size:1.3rem}.header-right{display:flex;align-items:center;gap:var(--space-sm)}.header-user{color:var(--color-text-muted);font-size:.85rem}.app-main{flex:1;padding:var(--space-lg);max-width:1200px;margin:0 auto;width:100%}.public-page{min-height:100vh}.public-header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-md) var(--space-lg);background:var(--color-bg-card);border-bottom:1px solid var(--color-border)}.public-main{max-width:1200px;margin:0 auto;padding:var(--space-lg)}.public-filter{display:flex;gap:var(--space-xs);margin-bottom:var(--space-lg)}.dashboard-page{max-width:900px}.dashboard-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-lg)}.dashboard-form-section{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-lg);margin-bottom:var(--space-lg)}.dashboard-empty{text-align:center;color:var(--color-text-muted);padding:var(--space-2xl)}.tournament-list{display:grid;gap:var(--space-md)}.tournament-card{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-lg);cursor:pointer;transition:all var(--transition-fast);position:relative}.tournament-card:hover{border-color:var(--color-primary);box-shadow:var(--shadow-glow);transform:translateY(-1px)}.tournament-card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-sm)}.tournament-card-header h3{font-size:1.1rem}.tournament-card-desc{color:var(--color-text-muted);font-size:.85rem;margin-bottom:var(--space-sm)}.tournament-card-meta{display:flex;gap:var(--space-md);font-size:.8rem;color:var(--color-text-dim)}.tournament-delete-btn{position:absolute;bottom:var(--space-md);right:var(--space-md)}.tournament-status-badge{display:inline-flex;align-items:center;padding:var(--space-2xs) var(--space-sm);border-radius:var(--radius-sm);font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em}.status-draft{background:#6b728033;color:#9ca3af}.status-active{background:#4ade8026;color:var(--color-primary)}.status-completed{background:#fbbf2426;color:var(--color-gold)}.status-pending{color:var(--color-text-dim)}.tournament-manage-page{max-width:1000px}.tournament-manage-header{display:flex;align-items:flex-start;gap:var(--space-md);margin-bottom:var(--space-lg)}.tournament-manage-meta{display:flex;align-items:center;gap:var(--space-sm);margin-top:var(--space-xs);font-size:.85rem;color:var(--color-text-muted)}.tournament-actions{display:flex;gap:var(--space-sm);margin-bottom:var(--space-lg)}.tournament-tabs{display:flex;border-bottom:1px solid var(--color-border);gap:0;margin-bottom:var(--space-lg);overflow-x:auto}.tournament-tab{background:none;border:none;color:var(--color-text-muted);padding:var(--space-sm) var(--space-md);font-size:.9rem;cursor:pointer;border-bottom:2px solid transparent;transition:all var(--transition-fast);white-space:nowrap}.tournament-tab:hover{color:var(--color-text)}.tournament-tab-active{color:var(--color-primary);border-bottom-color:var(--color-primary)}.tournament-tab-content{min-height:200px}.tab-empty{color:var(--color-text-muted);text-align:center;padding:var(--space-2xl)}.tournament-overview p{color:var(--color-text-muted);margin-bottom:var(--space-lg)}.overview-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:var(--space-md)}.overview-stat{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-lg);text-align:center}.overview-stat-value{display:block;font-size:1.8rem;font-weight:700;color:var(--color-primary)}.overview-stat-label{display:block;font-size:.8rem;color:var(--color-text-muted);margin-top:var(--space-xs)}.participant-manager{max-width:600px}.participant-manager h3{margin-bottom:var(--space-md)}.participant-add-section{margin-bottom:var(--space-lg)}.participant-mode-toggle{display:flex;gap:var(--space-xs);margin-bottom:var(--space-md)}.participant-search,.participant-external{display:flex;gap:var(--space-sm);align-items:flex-start}.participant-search input,.participant-external input{flex:1}.participant-search-results{list-style:none;background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-sm);margin-top:var(--space-xs);max-height:200px;overflow-y:auto}.participant-search-results li{display:flex;align-items:center;justify-content:space-between;padding:var(--space-sm) var(--space-md);border-bottom:1px solid var(--color-border)}.participant-search-results li:last-child{border-bottom:none}.participant-list{list-style:none}.participant-item{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);border-bottom:1px solid var(--color-border)}.participant-seed{color:var(--color-text-dim);font-size:.8rem;min-width:1.5rem}.participant-name{flex:1;display:flex;align-items:center;gap:var(--space-xs)}.participant-badge{font-size:.65rem;padding:1px 6px;background:#6b728033;color:var(--color-text-muted);border-radius:var(--radius-sm);text-transform:uppercase;font-weight:600}.participant-empty{color:var(--color-text-dim);padding:var(--space-md);text-align:center}.group-manager h3{margin-bottom:var(--space-md)}.group-empty-hint{color:var(--color-text-muted);margin-bottom:var(--space-md)}.group-actions{margin-bottom:var(--space-md)}.groups-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:var(--space-md)}.group-card{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-md)}.group-card-title{margin-bottom:var(--space-sm);color:var(--color-primary)}.group-members{list-style:none;margin-bottom:var(--space-sm)}.group-member{display:flex;align-items:center;justify-content:space-between;padding:var(--space-xs) 0;border-bottom:1px solid var(--color-border);font-size:.9rem}.group-member:last-child{border-bottom:none}.group-member-empty{color:var(--color-text-dim);font-size:.85rem;padding:var(--space-sm) 0}.group-add-select{margin-top:var(--space-sm);font-size:.8rem;padding:var(--space-xs) var(--space-sm)}.group-standings-section{margin-top:var(--space-xl)}.group-standings-section h3{margin-bottom:var(--space-md)}.standings-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:var(--space-md)}.standings-card{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-md);overflow:hidden}.standings-title{padding:var(--space-sm) var(--space-md);background:var(--color-bg-hover);color:var(--color-primary);font-size:.95rem}.standings-table{width:100%;border-collapse:collapse;font-size:.85rem}.standings-table th{padding:var(--space-xs) var(--space-sm);text-align:left;color:var(--color-text-dim);font-weight:500;border-bottom:1px solid var(--color-border)}.standings-table td{padding:var(--space-xs) var(--space-sm);border-bottom:1px solid var(--color-border)}.standings-table tr:last-child td{border-bottom:none}.standings-advancing{background:var(--color-primary-faded)}.standings-name{display:flex;align-items:center;gap:var(--space-xs)}.standings-points{font-weight:700;color:var(--color-primary)}.standings-empty{text-align:center;color:var(--color-text-dim);padding:var(--space-md)!important}.bracket-container{overflow-x:auto;padding:var(--space-md) 0}.bracket{display:flex;gap:var(--space-xl);min-width:max-content;align-items:center}.bracket-round{display:flex;flex-direction:column;gap:var(--space-md);min-width:200px}.bracket-round-title{text-align:center;font-size:.8rem;font-weight:600;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:var(--space-sm)}.bracket-matches{display:flex;flex-direction:column;gap:var(--space-lg);justify-content:space-around;flex:1}.bracket-match{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-sm);overflow:hidden;transition:all var(--transition-fast)}.bracket-match-clickable{cursor:pointer}.bracket-match-clickable:hover{border-color:var(--color-primary);box-shadow:var(--shadow-glow)}.bracket-match-completed{border-color:var(--color-border)}.bracket-player{display:flex;justify-content:space-between;padding:var(--space-sm) var(--space-md);font-size:.85rem}.bracket-player-top{border-bottom:1px solid var(--color-border)}.bracket-player-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.bracket-player-score{font-weight:600;color:var(--color-text-muted);margin-left:var(--space-sm)}.bracket-winner{background:var(--color-primary-faded)}.bracket-winner .bracket-player-name{font-weight:600;color:var(--color-primary)}.bracket-empty{text-align:center;color:var(--color-text-muted);padding:var(--space-2xl)}.match-list-empty{color:var(--color-text-muted);text-align:center;padding:var(--space-2xl)}.match-list-section{margin-bottom:var(--space-lg)}.match-list-section h4{margin-bottom:var(--space-sm);color:var(--color-text-muted)}.match-row{display:flex;align-items:center;justify-content:space-between;padding:var(--space-sm) var(--space-md);background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-sm);margin-bottom:var(--space-xs);transition:all var(--transition-fast)}.match-row-clickable{cursor:pointer}.match-row-clickable:hover{border-color:var(--color-primary)}.match-row-players{display:flex;align-items:center;gap:var(--space-sm);font-size:.9rem}.match-row-vs{color:var(--color-text-dim);font-size:.75rem}.match-winner-name{font-weight:600;color:var(--color-primary)}.match-row-info{display:flex;align-items:center;gap:var(--space-sm)}.match-row-score{font-size:.8rem;color:var(--color-text-muted)}.match-row-status{font-size:.7rem;font-weight:600;text-transform:uppercase}.modal-overlay{position:fixed;inset:0;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:1000;padding:var(--space-md)}.modal{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);width:100%;max-width:520px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg)}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-md) var(--space-lg);border-bottom:1px solid var(--color-border)}.modal-close{background:none;border:none;color:var(--color-text-muted);font-size:1.2rem;cursor:pointer;padding:var(--space-xs)}.modal-close:hover{color:var(--color-text)}.modal-body{padding:var(--space-lg)}.modal-footer{display:flex;justify-content:flex-end;gap:var(--space-sm);padding:var(--space-md) var(--space-lg);border-top:1px solid var(--color-border)}.match-result-players{display:grid;grid-template-columns:1fr auto 1fr;gap:var(--space-md);align-items:start;margin-bottom:var(--space-md)}.match-result-player h4{margin-bottom:var(--space-sm);font-size:.95rem}.match-result-vs{color:var(--color-text-dim);padding-top:var(--space-xl);font-size:.85rem}.match-result-winner{display:flex;gap:var(--space-sm)}.access-denied{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;text-align:center;gap:var(--space-md)}.access-denied h2{color:var(--color-danger)}.access-denied p{color:var(--color-text-muted)}.tournament-detail-header{display:flex;align-items:center;gap:var(--space-md);margin-bottom:var(--space-sm)}.tournament-detail-desc{color:var(--color-text-muted);margin-bottom:var(--space-sm)}.tournament-detail-date{color:var(--color-text-dim);font-size:.85rem;margin-bottom:var(--space-lg)}.tournament-form{max-width:600px}@media(max-width:768px){.app-header{padding:var(--space-sm) var(--space-md)}.app-main,.public-main{padding:var(--space-md)}.header-title{font-size:1rem}.bracket{gap:var(--space-md)}.bracket-round{min-width:160px}.match-result-players{grid-template-columns:1fr}.match-result-vs{text-align:center;padding:0}.standings-grid,.groups-grid{grid-template-columns:1fr}}