@charset "UTF-8";@import"https://fonts.googleapis.com/css2?family=Sora:wght@600;700&family=Inter:wght@400;500&family=JetBrains+Mono:wght@400;600&display=swap";:root{--color-primary: #1A7A4A;--color-primary-light: #2AA76A;--color-primary-dark: #125C36;--color-primary-10: rgba(26,122,74,.1);--color-accent: #F5A623;--color-accent-dark: #C47D0B;--color-bg: #0F1117;--color-surface: #1A1D27;--color-surface-raised: #22263A;--color-border: #2E3347;--color-text-primary: #E8EAF0;--color-text-secondary: #8B90A4;--color-text-muted: #555B72;--color-success: #22C55E;--color-error: #EF4444;--color-warning: #F59E0B;--color-info: #3B82F6;--color-rank-gold: #FFD700;--color-rank-silver: #C0C0C0;--color-rank-bronze: #CD7F32;--color-rank-green: #22C55E;--color-rank-default: #555B72;--font-display: "Sora", sans-serif;--font-body: "Inter", sans-serif;--font-mono: "JetBrains Mono", monospace;--text-display: 2rem;--text-title: 1.5rem;--text-subtitle: 1.125rem;--text-body: 1rem;--text-label: .875rem;--text-small: .75rem;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--space-8: 32px;--space-10: 40px;--space-12: 48px;--space-16: 64px;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-full: 9999px;--shadow-sm: 0 1px 3px rgba(0,0,0,.4);--shadow-md: 0 4px 12px rgba(0,0,0,.5);--shadow-lg: 0 8px 24px rgba(0,0,0,.6);--shadow-glow-primary: 0 0 12px rgba(26,122,74,.4);--bp-sm: 480px;--bp-md: 768px;--bp-lg: 1024px;--bp-xl: 1200px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{background:var(--color-bg);color:var(--color-text-primary);font-family:var(--font-body);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}a{color:inherit}::selection{background:var(--color-primary);color:#fff}:focus-visible{outline:none;box-shadow:0 0 0 3px #1a7a4a80;border-radius:var(--radius-sm)}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--color-bg)}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--color-text-muted)}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}.page-container{max-width:1200px;margin:0 auto;padding:var(--space-8) var(--space-6)}@media(max-width:768px){.page-container{padding:var(--space-6) var(--space-4)}}.header{position:sticky;top:0;z-index:100;background:#0f1117eb;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--color-border);height:60px;display:flex;align-items:center;padding:0 var(--space-8)}.header__logo{font-family:var(--font-display);font-weight:700;font-size:1.125rem;color:var(--color-primary-light);text-decoration:none;display:flex;align-items:center;gap:var(--space-2)}.header__nav{display:flex;align-items:center;gap:var(--space-6);margin-left:var(--space-10)}.header__nav a{font-size:.875rem;color:var(--color-text-secondary);text-decoration:none;transition:color .15s}.header__nav a:hover,.header__nav a.active{color:var(--color-text-primary)}.header__actions{margin-left:auto;display:flex;align-items:center;gap:var(--space-4)}.btn{font-family:var(--font-body);font-size:.875rem;font-weight:500;padding:var(--space-3) var(--space-6);border-radius:var(--radius-md);border:none;cursor:pointer;transition:background .15s,transform .1s;display:inline-flex;align-items:center;gap:var(--space-2);text-decoration:none}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-light)}.btn-primary:active{transform:scale(.98)}.btn-secondary{background:transparent;color:var(--color-primary-light);border:1px solid var(--color-primary)}.btn-secondary:hover{background:var(--color-primary-10)}.btn-danger{background:transparent;color:var(--color-error);border:1px solid var(--color-error)}.btn-danger:hover{background:#ef44441a}.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}.form-group{display:flex;flex-direction:column;gap:var(--space-2)}.form-label{font-size:.875rem;font-weight:500;color:var(--color-text-secondary)}.form-label .required{color:var(--color-error);margin-left:2px}.form-input{background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-3) var(--space-4);color:var(--color-text-primary);font-size:1rem;font-family:var(--font-body);transition:border-color .2s,box-shadow .2s;width:100%}.form-input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #1a7a4a33}.form-input.is-invalid{border-color:var(--color-error)}.form-error{font-size:.75rem;color:var(--color-error)}.form-hint{font-size:.75rem;color:var(--color-text-muted)}.submission-badge{font-family:var(--font-mono);font-size:.75rem;font-weight:600;padding:var(--space-1) var(--space-3);border-radius:var(--radius-sm);display:inline-flex;align-items:center;gap:var(--space-1)}.submission-badge--accepted{background:#22c55e26;color:var(--color-success);border:1px solid rgba(34,197,94,.3)}.submission-badge--wrong{background:#ef444426;color:var(--color-error);border:1px solid rgba(239,68,68,.3)}.submission-badge--pending{background:#f59e0b26;color:var(--color-warning);border:1px solid 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.15s}.leaderboard-row:hover{background:var(--color-surface-raised)}.leaderboard-row__rank-bar{height:100%;min-height:32px;border-radius:2px}.rank-gold{background:var(--color-rank-gold)}.rank-silver{background:var(--color-rank-silver)}.rank-bronze{background:var(--color-rank-bronze)}.rank-green{background:var(--color-rank-green)}.rank-default{background:var(--color-rank-default)}.leaderboard-row__rank{font-family:var(--font-mono);font-size:.875rem;color:var(--color-text-secondary);text-align:center}.leaderboard-row__username{font-family:var(--font-mono);color:var(--color-text-primary);text-decoration:none;font-weight:600}.leaderboard-row__username:hover{color:var(--color-primary-light)}.leaderboard-row__score{font-family:var(--font-mono);font-size:.875rem;font-weight:600;color:var(--color-accent)}.competition-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:var(--space-6);position:relative;transition:border-color .2s,box-shadow .2s;cursor:pointer}.competition-card:hover{border-color:var(--color-primary);box-shadow:var(--shadow-glow-primary)}.competition-card--live{border-color:var(--color-accent)}.competition-card__status-dot{width:8px;height:8px;background:var(--color-accent);border-radius:var(--radius-full);position:absolute;top:var(--space-4);right:var(--space-4);animation:pulse 2s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.3}}.competition-card__title{font-family:var(--font-display);font-size:1.125rem;color:var(--color-text-primary);margin-bottom:var(--space-3)}.competition-card__meta{display:flex;gap:var(--space-4);font-size:.75rem;color:var(--color-text-secondary)}.empty-state{text-align:center;padding:var(--space-16) var(--space-8);color:var(--color-text-secondary)}.empty-state__icon{font-size:48px;margin-bottom:var(--space-4)}.empty-state h3{font-family:var(--font-display);color:var(--color-text-primary);margin-bottom:var(--space-2)}.text-display{font-family:var(--font-display);font-size:2rem;font-weight:700}.text-title{font-family:var(--font-display);font-size:1.5rem;font-weight:600}.text-mono{font-family:var(--font-mono)}@media(max-width:640px){.header{padding:0 var(--space-4);height:52px}.header__nav,.header__username{display:none}.header__actions{gap:var(--space-2)}}@media(max-width:600px){.col-region,.col-school,.col-country,.leaderboard-table th.col-region,.leaderboard-table th.col-school,.leaderboard-table th.col-country{display:none}}@media(max-width:600px){.problem-title-row{flex-direction:column;align-items:flex-start;gap:var(--space-3)}}