@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial;--tw-border-style:solid;--tw-outline-style:solid}}}@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing:.25rem;--radius-sm:.25rem;--radius-md:.375rem;--radius-lg:.5rem;--default-transition-duration:.15s;--default-transition-timing-function:cubic-bezier(.4, 0, .2, 1);--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 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components;@layer utilities{.absolute{position:absolute}.relative{position:relative}.start{inset-inline-start:var(--spacing)}.block{display:block}.flex{display:flex}.grid{display:grid}.hidden{display:none}.inline{display:inline}.inline-flex{display:inline-flex}.transform{transform:var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) 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10px;font-size:11px;font-weight:600;display:inline-flex}.category-badge.tech{color:#818cf8;background:#6366f126}.category-badge.general{color:#34d399;background:#10b98126}.category-badge.hr{color:#fbbf24;background:#f59e0b26}.category-badge.marketing{color:#f472b6;background:#ec489926}.category-badge.education{color:#22d3ee;background:#06b6d426}.category-badge.fun{color:#c084fc;background:#a855f726}.difficulty-badge{border-radius:var(--radius-full);align-items:center;gap:4px;padding:3px 8px;font-size:11px;font-weight:600;display:inline-flex}.difficulty-badge.easy{background:var(--success-light);color:var(--success)}.difficulty-badge.medium{background:var(--warning-light);color:var(--warning)}.difficulty-badge.hard{background:var(--error-light);color:var(--error)}.progress-bar{background:var(--bg-surface);border-radius:var(--radius-full);height:4px;overflow:hidden}.progress-bar-fill{background:var(--accent-gradient);border-radius:var(--radius-full);height:100%;transition:width 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14px;font-weight:700;display:inline-flex}.xp-bar-container{background:var(--bg-surface);border-radius:var(--radius-full);width:100%;height:8px;overflow:hidden}.xp-bar-fill{background:linear-gradient(90deg, var(--xp-gold), #f59e0b);border-radius:var(--radius-full);height:100%;transition:width .6s}.btn-primary{background:var(--accent-gradient);color:#fff;border-radius:var(--radius-md);cursor:pointer;border:none;justify-content:center;align-items:center;gap:8px;padding:12px 24px;font-size:15px;font-weight:600;text-decoration:none;transition:all .2s;display:inline-flex}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 4px 20px #6366f166}.btn-primary:active{transform:translateY(0)}.btn-secondary{background:var(--bg-card);color:var(--text-primary);border:1px solid var(--border);border-radius:var(--radius-md);cursor:pointer;justify-content:center;align-items:center;gap:8px;padding:12px 24px;font-size:15px;font-weight:600;text-decoration:none;transition:all .2s;display:inline-flex}.btn-secondary:hover{border-color:var(--accent-primary);background:#6366f114}.leaderboard-row{border-radius:var(--radius-md);align-items:center;gap:12px;padding:12px 16px;transition:background .2s;display:flex}.leaderboard-row:hover{background:var(--bg-surface)}.leaderboard-row.current-user{background:#6366f114;border:1px solid #6366f133}.leaderboard-rank{border-radius:var(--radius-sm);justify-content:center;align-items:center;width:32px;height:32px;font-size:14px;font-weight:700;display:flex}.leaderboard-rank.gold{color:var(--xp-gold);background:#fbbf2426}.leaderboard-rank.silver{color:#9ca3af;background:#9ca3af26}.leaderboard-rank.bronze{color:#d97706;background:#b4530926}.bottom-nav{padding:8px 16px calc(env(safe-area-inset-bottom,0px) + 8px);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-top:1px solid var(--border);z-index:50;background:#161822f2;justify-content:space-around;display:flex;position:fixed;bottom:0;left:0;right:0}.bottom-nav a{border-radius:var(--radius-sm);color:var(--text-muted);flex-direction:column;align-items:center;gap:4px;padding:6px 12px;font-size:11px;font-weight:500;text-decoration:none;transition:color .2s;display:flex}.bottom-nav a.active{color:var(--accent-primary)}.bottom-nav a svg{width:22px;height:22px}.text-gradient{background:var(--accent-gradient);-webkit-text-fill-color:transparent;-webkit-background-clip:text}.shimmer{background:linear-gradient(90deg,#0000 0%,#ffffff0a 50%,#0000 100%) 0 0/200% 100%;animation:2s infinite shimmer}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}@keyframes pulse-glow{0%,to{box-shadow:0 0 #6366f100}50%{box-shadow:0 0 20px 4px #6366f14d}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-6px)}}@keyframes confetti{0%{opacity:1;transform:translateY(0)rotate(0)}to{opacity:0;transform:translateY(80px)rotate(720deg)}}.page-content{padding-bottom:calc(70px + env(safe-area-inset-bottom,0px))}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}