:root{--bg-viewport:#0b0d12;--bg-deep:#111522;--bg-surface:#171b27;--bg-surface-elevated:#1d2230;--bg-surface-hover:#232a3b;--bg-surface-active:#2a3247;--bg-input:#10141f;--accent-primary:#4f8cff;--accent-primary-hover:#3b79ee;--accent-primary-dim:#4f8cff17;--accent-primary-border:#4f8cff3d;--accent-secondary:#8b6cff;--accent-violet:#8b6cff;--accent-violet-dim:#8b6cff17;--accent-violet-border:#8b6cff3d;--color-success:#38c98b;--color-success-dim:#38c98b17;--color-success-border:#38c98b3d;--color-warning:#e6a23c;--color-warning-dim:#e6a23c17;--color-warning-border:#e6a23c3d;--color-danger:#e06464;--color-danger-dim:#e0646417;--color-danger-border:#e064643d;--podium-gold:#d6a84f;--podium-gold-bg:#d6a84f14;--podium-gold-border:#d6a84f47;--podium-silver:#aeb7c5;--podium-silver-bg:#aeb7c514;--podium-silver-border:#aeb7c547;--podium-bronze:#b97845;--podium-bronze-bg:#b9784514;--podium-bronze-border:#b9784547;--text-primary:#f3f5f7;--text-secondary:#a7b0c0;--text-muted:#727d91;--text-dim:#545e70;--border-subtle:#ffffff12;--border-medium:#ffffff1f;--border-strong:#ffffff2e;--shadow-sm:0 1px 3px #0006;--shadow-card:0 4px 16px #0006;--shadow-elevated:0 8px 24px #0000008c;--shadow-sheet:0 -8px 32px #000c;--mobile-max-width:430px;--header-height:52px;--nav-height:58px;--radius-xs:4px;--radius-sm:6px;--radius-md:10px;--radius-lg:14px;--radius-full:9999px;--font-sans:-apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, sans-serif;--font-mono:"JetBrains Mono", "SF Mono", Menlo, Consolas, monospace;--ease-out:cubic-bezier(.16, 1, .3, 1);--duration-fast:.16s;--duration-default:.22s;--duration-smooth:.32s}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;margin:0;padding:0}html,body{background-color:var(--bg-viewport);color:var(--text-primary);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100dvh;overflow-x:hidden}.mobile-app-viewport{background:radial-gradient(circle at 50% 8%,#131726 0%,#0b0d12 100%);justify-content:center;align-items:stretch;width:100%;min-height:100dvh;display:flex}.mobile-app-container{width:100%;max-width:var(--mobile-max-width);background-color:var(--bg-deep);border-left:1px solid var(--border-subtle);border-right:1px solid var(--border-subtle);flex-direction:column;min-height:100dvh;display:flex;position:relative;overflow-x:hidden;box-shadow:0 0 40px #000000b3}.page-content{padding:16px;padding-bottom:calc(var(--nav-height) + 24px);scrollbar-width:thin;scrollbar-color:#ffffff14 transparent;flex-direction:column;flex:1;display:flex;overflow:hidden auto}.page-content.no-nav{padding-bottom:24px}.cyber-grid-bg{background-image:linear-gradient(90deg,#ffffff02 1px,#0000 1px),linear-gradient(#ffffff02 1px,#0000 1px);background-size:28px 28px}.font-mono{font-family:var(--font-mono)}.badge-tag{border-radius:var(--radius-sm);letter-spacing:.04em;text-transform:uppercase;background:var(--bg-surface-elevated);color:var(--text-secondary);border:1px solid var(--border-subtle);align-items:center;gap:5px;padding:3px 8px;font-size:11px;font-weight:600;display:inline-flex}.badge-tag.blue{background:var(--accent-primary-dim);color:var(--accent-primary);border-color:var(--accent-primary-border)}.badge-tag.violet{background:var(--accent-violet-dim);color:var(--accent-violet);border-color:var(--accent-violet-border)}.badge-tag.gold{background:var(--podium-gold-bg);color:var(--podium-gold);border-color:var(--podium-gold-border)}.badge-tag.success{background:var(--color-success-dim);color:var(--color-success);border-color:var(--color-success-border)}button,input,a{touch-action:manipulation}:focus-visible{box-shadow:0 0 0 2px var(--bg-deep), 0 0 0 3px var(--accent-primary);outline:none}input,select,textarea{font-size:16px}.btn{border-radius:var(--radius-md);min-height:44px;font-family:var(--font-sans);letter-spacing:.03em;cursor:pointer;transition:background var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out), transform var(--duration-micro) var(--ease-out);-webkit-user-select:none;user-select:none;white-space:nowrap;border:1px solid #0000;justify-content:center;align-items:center;gap:7px;padding:10px 18px;font-size:13px;font-weight:600;text-decoration:none;display:inline-flex;position:relative}.btn:disabled{opacity:.45;cursor:not-allowed;pointer-events:none}.btn:active{transform:scale(.985)}.btn-block{width:100%}.btn-sm{border-radius:var(--radius-sm);min-height:36px;padding:6px 12px;font-size:12px}.btn-lg{letter-spacing:.04em;min-height:48px;padding:12px 22px;font-size:14px}.btn-primary{background:var(--accent-primary);color:#fff;border-color:var(--accent-primary);font-weight:600}.btn-primary:active{background:var(--accent-primary-hover);border-color:var(--accent-primary-hover)}.btn-secondary{background:var(--bg-surface-elevated);color:var(--text-primary);border-color:var(--border-medium)}.btn-secondary:active{background:var(--bg-surface-hover);border-color:var(--border-strong)}.btn-outline{color:var(--text-primary);border-color:var(--border-medium);background:0 0}.btn-outline:active{border-color:var(--text-muted);background:#ffffff0d}.btn-cyber-outline{background:var(--accent-primary-dim);color:var(--accent-primary);border-color:var(--accent-primary-border)}.btn-cyber-outline:active{border-color:var(--accent-primary);background:#4f8cff29}.btn-ghost{color:var(--text-secondary);background:0 0;border-color:#0000}.btn-ghost:active{color:var(--text-primary);background:#ffffff0f}.btn-danger{background:var(--color-danger-dim);color:var(--color-danger);border-color:var(--color-danger-border)}.btn-danger:active{background:#e064642e}.btn-success{background:var(--color-success);color:#fff;border-color:var(--color-success)}.card-base{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-md);transition:border-color var(--duration-fast) var(--ease-out), background var(--duration-fast) var(--ease-out);padding:14px;position:relative}.card-flat{border:1px solid var(--border-subtle);border-radius:var(--radius-md);background:0 0;padding:12px}.card-elevated{background:var(--bg-surface-elevated);border:1px solid var(--border-medium);border-radius:var(--radius-md);box-shadow:var(--shadow-card);padding:16px}.card-featured{background:var(--bg-surface-elevated);border:1px solid var(--border-medium);border-left:2px solid var(--accent-primary);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);padding:16px}.cyber-card{composes:card-base;background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:14px}.cyber-card-elevated{background:var(--bg-surface-elevated);border-color:var(--border-medium)}.cyber-card-glow{border-color:var(--accent-primary-border)}.input-group{flex-direction:column;gap:5px;width:100%;margin-bottom:14px;display:flex}.input-label{text-transform:uppercase;letter-spacing:.05em;color:var(--text-secondary);font-size:11px;font-weight:600}.input-wrapper{align-items:center;display:flex;position:relative}.cyber-input{background:var(--bg-input);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);width:100%;min-height:44px;font-family:var(--font-sans);color:var(--text-primary);transition:border-color var(--duration-fast) var(--ease-out), background var(--duration-fast) var(--ease-out);outline:none;padding:10px 12px;font-size:16px}.cyber-input::placeholder{color:var(--text-dim)}.cyber-input:focus{border-color:var(--accent-primary);background:var(--bg-surface)}.cyber-input.has-error{border-color:var(--color-danger)}.input-error-msg{color:var(--color-danger);margin-top:3px;font-size:12px}.input-hint-msg{color:var(--text-dim);margin-top:3px;font-size:11px}.app-header{height:var(--header-height);z-index:40;-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border-subtle);padding:0 14px;padding-top:env(safe-area-inset-top,0px);background:#0a0c13eb;justify-content:space-between;align-items:center;display:flex;position:sticky;top:0}.header-brand{color:var(--text-primary);align-items:center;gap:8px;text-decoration:none;display:flex}.header-brand:active{transform:scale(.98)}.header-actions{align-items:center;gap:8px;display:flex}.header-team-badge{background:var(--bg-surface-elevated);border:1px solid var(--border-subtle);border-radius:var(--radius-full);min-height:32px;color:var(--text-secondary);transition:all var(--duration-fast) var(--ease-out);align-items:center;gap:5px;padding:5px 10px;font-size:12px;font-weight:500;text-decoration:none;display:flex}.header-team-badge:active,.header-team-badge.active{border-color:var(--accent-indigo-border);color:var(--text-primary);background:var(--bg-surface-hover)}.header-avatar-btn{border-radius:var(--radius-full);background:var(--bg-surface-elevated);border:1px solid var(--border-subtle);width:32px;height:32px;color:var(--text-secondary);transition:all var(--duration-fast) var(--ease-out);justify-content:center;align-items:center;text-decoration:none;display:flex}.header-avatar-btn:active,.header-avatar-btn.active{border-color:var(--border-strong);color:var(--text-primary)}.app-bottom-nav{width:100%;max-width:var(--mobile-max-width);height:var(--nav-height);-webkit-backdrop-filter:blur(14px);border-top:1px solid var(--border-subtle);padding:0 6px;padding-bottom:env(safe-area-inset-bottom,0px);z-index:50;background:#0a0c13f0;justify-content:space-around;align-items:center;display:flex;position:fixed;bottom:0}.nav-tab-item{height:100%;color:var(--text-muted);transition:color var(--duration-fast) var(--ease-out);flex-direction:column;flex:1;justify-content:center;align-items:center;gap:3px;text-decoration:none;display:flex;position:relative}.nav-tab-item:active{transform:scale(.96)}.nav-tab-item.active{color:var(--text-primary)}.nav-tab-indicator{background:var(--accent-primary);border-radius:var(--radius-full);width:24px;height:2px;position:absolute;top:0}.nav-tab-icon{stroke-width:1.8px;width:20px;height:20px}.nav-tab-item.active .nav-tab-icon{color:var(--accent-primary)}.nav-tab-label{letter-spacing:.05em;text-transform:uppercase;font-size:10px;font-weight:600}.bottom-sheet-backdrop{-webkit-backdrop-filter:blur(4px);z-index:100;animation:fadeIn var(--duration-fast) var(--ease-out) forwards;background:#000000b8;justify-content:center;align-items:flex-end;display:flex;position:fixed;inset:0}.bottom-sheet-panel{width:100%;max-width:var(--mobile-max-width);background:var(--bg-surface);border-top:1px solid var(--border-medium);border-left:1px solid var(--border-subtle);border-right:1px solid var(--border-subtle);padding:12px 18px calc(24px + env(safe-area-inset-bottom,0px)) 18px;box-shadow:var(--shadow-sheet);animation:slideUpModal var(--duration-default) var(--ease-out) forwards;scrollbar-width:thin;border-top-left-radius:18px;border-top-right-radius:18px;max-height:85dvh;overflow-y:auto}.bottom-sheet-handle{border-radius:var(--radius-full);background:#ffffff29;width:36px;height:4px;margin:0 auto 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0;border:none;flex:1;font-size:12px;font-weight:700;position:relative}.auth-mode-tab.active{color:#07090e}.auth-mode-slider{background:var(--accent-primary);border-radius:var(--radius-sm);width:calc(50% - 3px);transition:transform var(--duration-default) var(--ease-out);z-index:1;position:absolute;top:3px;bottom:3px;left:3px}.auth-mode-slider.slider-right{transform:translate(100%)}.challenge-card{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-md);transition:border-color var(--duration-fast) var(--ease-out);margin-bottom:12px;padding:16px}.challenge-card.solved{border-color:var(--color-success-border);background:linear-gradient(135deg, #10b98108 0%, var(--bg-surface) 100%)}.challenge-card-header{justify-content:space-between;align-items:center;margin-bottom:8px;display:flex}.challenge-tag-group{align-items:center;gap:6px;display:flex}.clue-accordion{border:1px solid var(--border-subtle);border-radius:var(--radius-sm);background:var(--bg-input);margin:12px 0;overflow:hidden}.clue-toggle-btn{width:100%;color:var(--text-secondary);letter-spacing:.04em;cursor:pointer;text-transform:uppercase;background:0 0;border:none;justify-content:space-between;align-items:center;padding:8px 12px;font-size:12px;font-weight:600;display:flex}.clue-content{color:var(--text-secondary);border-top:1px solid var(--border-subtle);background:var(--bg-surface);animation:fadeIn var(--duration-fast) var(--ease-out) forwards;padding:10px 12px;font-size:13px;line-height:1.5}.file-attachment-pill{border-radius:var(--radius-sm);background:var(--bg-surface-elevated);border:1px solid var(--border-subtle);color:var(--text-secondary);font-size:12px;font-family:var(--font-mono);align-items:center;gap:6px;margin-bottom:12px;padding:6px 10px;display:inline-flex}.flag-input-row{gap:8px;margin-top:12px;display:flex}.podium-grid{flex-direction:column;gap:8px;margin-bottom:16px;display:flex}.podium-item{border-radius:var(--radius-md);border:1px solid var(--border-subtle);background:var(--bg-surface);transition:transform var(--duration-fast) var(--ease-out);align-items:center;gap:12px;padding:12px 14px;display:flex}.podium-rank-badge{border-radius:var(--radius-sm);width:34px;height:34px;font-size:13px;font-weight:800;font-family:var(--font-mono);flex-shrink:0;justify-content:center;align-items:center;display:flex}.podium-rank-1{background:var(--podium-gold-bg);border:1px solid var(--podium-gold-border);color:var(--podium-gold)}.podium-rank-2{background:var(--podium-silver-bg);border:1px solid var(--podium-silver-border);color:var(--podium-silver)}.podium-rank-3{background:var(--podium-bronze-bg);border:1px solid var(--podium-bronze-border);color:var(--podium-bronze)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUpModal{0%{opacity:.8;transform:translateY(100%)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes scaleFadeIn{0%{opacity:0;transform:scale(.94)}to{opacity:1;transform:scale(1)}}.page-entrance{animation:pageFadeScale var(--duration-default) var(--ease-out) forwards}@keyframes pageFadeScale{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}.animate-seq-1{opacity:0;animation:scaleFadeIn var(--duration-smooth) var(--ease-out) 0s both}.animate-seq-2{opacity:0;animation:fadeInUp var(--duration-smooth) var(--ease-out) .1s both}.animate-seq-3{opacity:0;animation:fadeInUp var(--duration-smooth) var(--ease-out) .2s both}.animate-seq-4{opacity:0;animation:fadeInUp var(--duration-smooth) var(--ease-out) .3s both}.animate-seq-5{opacity:0;animation:fadeInUp var(--duration-smooth) var(--ease-out) .4s both}@media (prefers-reduced-motion:reduce){.animate-seq-1,.animate-seq-2,.animate-seq-3,.animate-seq-4,.animate-seq-5,.page-entrance,.bottom-sheet-backdrop,.bottom-sheet-panel{opacity:1!important;animation:none!important;transform:none!important}}#root{flex-direction:column;width:100%;min-height:100dvh;display:flex}