:root{--bk-black: #000000;--bk-bg: #0a0a0a;--bk-surface: #141414;--bk-surface-elev: #1c1c1c;--bk-border: #2a2a2a;--bk-gold: #d4af37;--bk-gold-bright: #f5cf5b;--bk-gold-dark: #9a7d22;--bk-silver: #c0c0c0;--bk-white: #ffffff;--bk-muted: #8a8a8a;--bk-danger: #e63946;--bk-success: #2ecc71;--bk-radius: 12px;--bk-radius-sm: 8px;--bk-radius-lg: 20px;--bk-font-display: "Bebas Neue", Impact, sans-serif;--bk-font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--bk-shadow-gold: 0 0 0 1px rgba(212, 175, 55, .4), 0 4px 24px -4px rgba(212, 175, 55, .2)}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;padding:0;background:var(--bk-bg);color:var(--bk-white);font-family:var(--bk-font-body);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overscroll-behavior-y:contain}body{min-height:100vh;min-height:100dvh;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}#root{min-height:100vh;min-height:100dvh}h1,h2,h3,h4{font-family:var(--bk-font-display);letter-spacing:.04em;margin:0;font-weight:400}h1{font-size:2rem}h2{font-size:1.5rem}h3{font-size:1.2rem}button{font-family:var(--bk-font-body);cursor:pointer;border:none;background:none;color:inherit;padding:0}input,select{font-family:var(--bk-font-body);font-size:1rem}a{color:var(--bk-gold);text-decoration:none}.bk-app{max-width:640px;margin:0 auto;min-height:100dvh;display:flex;flex-direction:column}.bk-page{padding:16px;flex:1;display:flex;flex-direction:column;gap:16px;padding-bottom:calc(96px + env(safe-area-inset-bottom))}.bk-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:linear-gradient(180deg,#000 0%,transparent 100%);position:sticky;top:0;z-index:10;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}.bk-header__title{font-family:var(--bk-font-display);font-size:1.4rem;letter-spacing:.06em;color:var(--bk-gold)}.bk-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 20px;border-radius:var(--bk-radius);font-weight:600;font-size:1rem;letter-spacing:.02em;transition:transform 80ms ease,opacity .2s ease,background .2s ease;min-height:48px;width:100%;border:1px solid transparent}.bk-btn:active:not(:disabled){transform:scale(.98)}.bk-btn:disabled{opacity:.4;cursor:not-allowed}.bk-btn--primary{background:linear-gradient(135deg,var(--bk-gold) 0%,var(--bk-gold-bright) 100%);color:#000;box-shadow:var(--bk-shadow-gold);text-transform:uppercase;font-family:var(--bk-font-display);font-size:1.1rem;letter-spacing:.08em}.bk-btn--secondary{background:var(--bk-surface);color:var(--bk-white);border-color:var(--bk-border)}.bk-btn--ghost{background:transparent;color:var(--bk-gold);border-color:transparent}.bk-btn--danger{background:transparent;color:var(--bk-danger);border-color:#e639464d}.bk-btn--small{padding:8px 14px;font-size:.85rem;min-height:36px;width:auto}.bk-field{display:flex;flex-direction:column;gap:6px}.bk-field__label{font-size:.75rem;text-transform:uppercase;letter-spacing:.1em;color:var(--bk-muted);font-weight:600}.bk-input{background:var(--bk-surface);border:1px solid var(--bk-border);border-radius:var(--bk-radius-sm);padding:12px 14px;color:var(--bk-white);outline:none;width:100%;font-size:1rem;transition:border-color .2s ease}.bk-input:focus{border-color:var(--bk-gold)}.bk-card{background:var(--bk-surface);border:1px solid var(--bk-border);border-radius:var(--bk-radius);padding:16px}.bk-card--clickable{transition:transform .1s ease,border-color .2s ease}.bk-card--clickable:active{transform:scale(.99)}.bk-card--clickable:hover{border-color:var(--bk-gold-dark)}.bk-tabs{display:flex;gap:4px;background:var(--bk-surface);padding:4px;border-radius:var(--bk-radius);border:1px solid var(--bk-border)}.bk-tab{flex:1;padding:10px 8px;border-radius:var(--bk-radius-sm);font-size:.85rem;font-weight:600;color:var(--bk-muted);text-align:center;transition:all .2s ease;text-transform:uppercase;letter-spacing:.05em}.bk-tab--active{background:linear-gradient(135deg,var(--bk-gold) 0%,var(--bk-gold-bright) 100%);color:#000}.bk-match{border:1px solid var(--bk-border);border-radius:var(--bk-radius);background:var(--bk-surface);overflow:hidden}.bk-match__head{padding:8px 14px;background:var(--bk-surface-elev);font-family:var(--bk-font-display);letter-spacing:.08em;font-size:.85rem;color:var(--bk-muted);display:flex;justify-content:space-between;align-items:center}.bk-match__armaggedon-tag{color:var(--bk-gold);font-size:.75rem}.bk-match__slot{padding:14px 16px;border-top:1px solid var(--bk-border);display:flex;align-items:center;justify-content:space-between;gap:12px;transition:background .2s ease;cursor:pointer}.bk-match__slot--winner{background:linear-gradient(90deg,#d4af372e,#d4af370a);border-left:3px solid var(--bk-gold)}.bk-match__slot-name{font-weight:600;flex:1}.bk-match__slot-meta{font-size:.8rem;color:var(--bk-muted)}.bk-match__crown{color:var(--bk-gold);font-size:1.2rem}.bk-action-bar{position:fixed;bottom:0;left:0;right:0;padding:12px 16px calc(12px + env(safe-area-inset-bottom)) 16px;background:linear-gradient(180deg,transparent 0%,#000 40%);display:flex;gap:8px;z-index:5;max-width:640px;margin:0 auto}.bk-modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:100;padding:16px}.bk-modal{background:var(--bk-surface);border:1px solid var(--bk-gold-dark);border-radius:var(--bk-radius-lg);padding:24px;width:100%;max-width:420px;display:flex;flex-direction:column;gap:16px}.bk-modal__title{font-family:var(--bk-font-display);font-size:1.6rem;letter-spacing:.06em;color:var(--bk-gold);text-align:center}.bk-modal__text{color:var(--bk-silver);text-align:center;font-size:.95rem}.bk-empty{text-align:center;padding:48px 24px;color:var(--bk-muted);display:flex;flex-direction:column;gap:12px;align-items:center}.bk-empty__icon{font-size:3rem;opacity:.4}.bk-champion{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:16px;padding:48px 24px;flex:1}.bk-champion__crown{font-size:5rem;filter:drop-shadow(0 0 24px rgba(212,175,55,.6))}.bk-champion__title{font-family:var(--bk-font-display);font-size:3rem;background:linear-gradient(135deg,var(--bk-gold) 0%,var(--bk-gold-bright) 50%,var(--bk-gold-dark) 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:.1em}.bk-champion__name{font-size:1.4rem;font-weight:700}.bk-champion__meta{color:var(--bk-muted);font-size:.9rem}.bk-login{min-height:100dvh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px;gap:24px;background:radial-gradient(circle at 50% 30%,rgba(212,175,55,.12) 0%,transparent 60%)}.bk-login__logo{max-width:280px;width:80%;height:auto}.bk-login__form{display:flex;flex-direction:column;gap:12px;width:100%;max-width:320px}.bk-login__error{color:var(--bk-danger);font-size:.85rem;text-align:center;min-height:1.2em}.bk-list{display:flex;flex-direction:column;gap:8px}.bk-battle-card{display:flex;flex-direction:column;gap:6px}.bk-battle-card__title{font-family:var(--bk-font-display);font-size:1.3rem;letter-spacing:.04em;color:var(--bk-white)}.bk-battle-card__date{font-size:.85rem;color:var(--bk-muted)}.bk-battle-card__cats{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}.bk-tag{font-size:.7rem;padding:4px 10px;border-radius:999px;background:var(--bk-surface-elev);border:1px solid var(--bk-border);text-transform:uppercase;letter-spacing:.08em;color:var(--bk-silver);font-weight:600}.bk-tag--gold{background:#d4af371f;border-color:var(--bk-gold-dark);color:var(--bk-gold)}.bk-participant{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:12px 14px;background:var(--bk-surface);border:1px solid var(--bk-border);border-radius:var(--bk-radius-sm)}.bk-participant__name{font-weight:600;font-size:.95rem}.bk-participant__country{font-size:.8rem;color:var(--bk-muted)}.bk-participant__couple-line{display:flex;flex-direction:column;gap:2px}.bk-participant__actions{display:flex;gap:4px}.bk-icon-btn{width:36px;height:36px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;background:var(--bk-surface-elev);border:1px solid var(--bk-border);color:var(--bk-silver)}.bk-icon-btn:active{transform:scale(.92)}.bk-counter{font-size:.8rem;color:var(--bk-muted);font-variant-numeric:tabular-nums}.bk-divider{height:1px;background:var(--bk-border);margin:8px 0}.bk-checkbox-group{display:flex;flex-direction:column;gap:8px}.bk-checkbox{display:flex;align-items:center;gap:12px;padding:14px;background:var(--bk-surface);border:1px solid var(--bk-border);border-radius:var(--bk-radius-sm);cursor:pointer;-webkit-user-select:none;user-select:none}.bk-checkbox--checked{border-color:var(--bk-gold);background:#d4af3714}.bk-checkbox__box{width:20px;height:20px;border-radius:6px;border:1.5px solid var(--bk-border);display:flex;align-items:center;justify-content:center;font-size:.75rem;color:#000}.bk-checkbox--checked .bk-checkbox__box{background:var(--bk-gold);border-color:var(--bk-gold)}.bk-section-title{font-family:var(--bk-font-display);letter-spacing:.08em;color:var(--bk-gold);font-size:1.1rem;text-transform:uppercase}.bk-row{display:flex;gap:8px;align-items:center}.bk-row>*{flex:1}.bk-stack,.bk-bracket-rounds{display:flex;flex-direction:column;gap:12px}.bk-reveal{position:fixed;top:0;right:0;bottom:0;left:0;z-index:200;background-color:#000;background-image:radial-gradient(ellipse at center,rgba(212,175,55,.22) 0%,transparent 60%);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:24px;overflow:hidden;animation:bk-reveal-fade .2s ease-out}@keyframes bk-reveal-fade{0%{opacity:0}to{opacity:1}}.bk-reveal__title{font-family:var(--bk-font-display);font-size:1.4rem;letter-spacing:.2em;color:var(--bk-gold);text-transform:uppercase;text-align:center;padding:0 24px}.bk-reveal__shuffle{height:88px;width:100%;max-width:360px;position:relative;overflow:hidden;border-top:1px solid rgba(212,175,55,.3);border-bottom:1px solid rgba(212,175,55,.3);background:linear-gradient(180deg,transparent 0%,rgba(212,175,55,.06) 50%,transparent 100%)}.bk-reveal__name{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;font-family:var(--bk-font-display);font-size:2rem;letter-spacing:.06em;color:var(--bk-white);white-space:nowrap;padding:0 16px;text-align:center;animation:bk-reveal-roll 80ms steps(1) infinite}@keyframes bk-reveal-roll{0%{transform:translateY(-100%);opacity:0}20%{transform:translateY(0);opacity:1}80%{transform:translateY(0);opacity:1}to{transform:translateY(100%);opacity:0}}.bk-reveal__caption{color:var(--bk-muted);font-size:.85rem;text-transform:uppercase;letter-spacing:.12em}.bk-reveal__bolt{font-size:4rem;filter:drop-shadow(0 0 24px rgba(212,175,55,.7));animation:bk-reveal-pulse .6s ease-in-out infinite alternate}@keyframes bk-reveal-pulse{0%{transform:scale(.92)}to{transform:scale(1.08)}}.bk-warning{background:#d4af3714;border:1px solid var(--bk-gold-dark);color:var(--bk-gold);padding:12px 14px;border-radius:var(--bk-radius-sm);font-size:.85rem;text-align:center}