@import "https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;700&family=Outfit:wght@400;500;600;700;800;900&display=swap";:root{--primary:#6366f1;--primary-hover:#4f46e5;--primary-light:#6366f11f;--secondary:#0f172a;--accent:#f59e0b;--accent-hover:#d97706;--background:#0b0f19;--card-bg:#161e3199;--text-main:#f9fafb;--text-muted:#9ca3af;--border-color:#ffffff1a;--success:#10b981;--success-light:#10b9811a;--error:#ef4444;--error-light:#ef44441a;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 8px 30px #0000004d;--shadow-lg:0 20px 40px #0006;--font-heading:"Outfit", sans-serif;--font-body:"DM Sans", sans-serif;font-family:var(--font-body);background-color:var(--background);color:var(--text-main);box-sizing:border-box;margin:0;padding:0}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:var(--background)}::-webkit-scrollbar-thumb{border:2px solid var(--background);background:#1f2937;border-radius:6px}::-webkit-scrollbar-thumb:hover{background:#374151}body{min-height:100vh;margin:0;padding:0}*,:before,:after{box-sizing:inherit}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);color:#fff;margin-top:0}a{color:var(--primary);text-decoration:none;transition:color .2s}a:hover{color:var(--primary-hover)}.app-container{flex-direction:column;min-height:100vh;display:flex}.main-content{flex-grow:1;width:100%;max-width:1200px;margin:0 auto;padding:2rem 1rem}.card{background-color:var(--card-bg);-webkit-backdrop-filter:blur(20px);border:1px solid var(--border-color);box-shadow:var(--shadow-md);border-radius:20px;padding:2rem;transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}.card:before{content:"";pointer-events:none;background:linear-gradient(135deg,#ffffff08 0%,#fff0 100%);height:100%;position:absolute;top:0;left:0;right:0}.card:hover{border-color:#6366f159;transform:translateY(-5px);box-shadow:0 12px 40px #6366f11f}.card-hover:hover{cursor:pointer}.btn{font-family:var(--font-heading);cursor:pointer;border:none;border-radius:14px;justify-content:center;align-items:center;gap:.6rem;padding:.8rem 1.6rem;font-size:.95rem;font-weight:600;transition:all .25s cubic-bezier(.4,0,.2,1);display:inline-flex;position:relative;overflow:hidden}.btn-primary{background:linear-gradient(135deg, var(--primary) 0%, #4f46e5 100%);color:#fff;box-shadow:0 4px 14px #6366f166}.btn-primary:hover{background:linear-gradient(135deg,#4f46e5 0%,#4338ca 100%);transform:translateY(-2px);box-shadow:0 6px 20px #6366f199}.btn-secondary{color:#fff;background-color:#1e293b;border:1px solid #ffffff14}.btn-secondary:hover{background-color:#334155;transform:translateY(-2px);box-shadow:0 6px 20px #0000004d}.btn-accent{background:linear-gradient(135deg, var(--accent) 0%, #d97706 100%);color:#fff;box-shadow:0 4px 14px #f59e0b66}.btn-accent:hover{background:linear-gradient(135deg,#d97706 0%,#b45309 100%);transform:translateY(-2px);box-shadow:0 6px 20px #f59e0b99}.btn-outline{color:var(--text-main);background-color:#0000;border:1px solid #ffffff26}.btn-outline:hover{background-color:#ffffff0d;border-color:#ffffff40;transform:translateY(-1px)}.btn-ghost{color:var(--text-muted);background-color:#0000}.btn-ghost:hover{color:var(--text-main);background-color:#ffffff0d}.loader{border:4px solid var(--border-color);border-top:4px solid var(--primary);border-radius:50%;width:32px;height:32px;animation:1s linear infinite spin}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.form-group{flex-direction:column;gap:.5rem;margin-bottom:1.25rem;display:flex}.form-label{font-family:var(--font-heading);color:var(--text-main);font-size:.9rem;font-weight:500}.form-input,.form-textarea,.form-select{font-family:var(--font-body);color:#fff;background-color:#111827b3;border:1px solid #ffffff1f;border-radius:12px;width:100%;padding:.75rem 1rem;font-size:.95rem;transition:all .25s}.form-input:focus,.form-textarea:focus,.form-select:focus{border-color:var(--primary);background-color:#111827e6;outline:none;box-shadow:0 0 0 3px #6366f140}.form-input::placeholder,.form-textarea::placeholder{color:var(--text-muted);opacity:.8}.form-select option{color:#fff;background-color:#111827}.badge{text-transform:uppercase;letter-spacing:.05em;border-radius:9999px;align-items:center;padding:.25rem .75rem;font-size:.8rem;font-weight:600;display:inline-flex}.badge-easy{color:#065f46;background-color:#d1fae5}.badge-medium{color:#92400e;background-color:#fef3c7}.badge-hard{color:#991b1b;background-color:#fee2e2}.badge-active{color:#065f46;background-color:#d1fae5}.badge-inactive{color:#475569;background-color:#f1f5f9}.navbar{background-color:var(--card-bg);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border-color);z-index:50;box-shadow:var(--shadow-sm);padding:1rem 2rem;position:sticky;top:0}.navbar-container{justify-content:space-between;align-items:center;max-width:1200px;margin:0 auto;display:flex;position:relative}.navbar-brand{font-family:var(--font-heading);color:var(--primary);align-items:center;gap:.5rem;font-size:1.5rem;font-weight:800;display:flex}.navbar-links{align-items:center;gap:1.5rem;display:flex}.mobile-menu-toggle{color:var(--text-main);cursor:pointer;background:0 0;border:none;border-radius:8px;justify-content:center;align-items:center;padding:.5rem;transition:background-color .2s;display:none}.mobile-menu-toggle:hover{background-color:#ffffff0d}.mobile-navigation{border-bottom:1px solid var(--border-color);z-index:45;width:100%;box-shadow:var(--shadow-lg);background-color:#0b0f19;flex-direction:column;gap:.75rem;padding:1rem;display:none;position:absolute;top:100%;left:0}.mobile-navigation.open{display:flex}@media (width<=768px){.navbar{padding:.75rem 1.25rem}.navbar-links{display:none}.mobile-menu-toggle{display:flex}.main-content{padding:1rem .75rem}.card{border-radius:16px;padding:1.25rem 1rem}}.footer{background-color:var(--secondary);color:#cbd5e1;text-align:center;border-top:1px solid #334155;padding:2rem 1rem;font-size:.9rem}.footer-content{flex-direction:column;gap:1rem;max-width:1200px;margin:0 auto;display:flex}.dropdown{display:inline-block;position:relative}.dropdown-trigger{align-items:center;gap:.25rem;display:inline-flex}.dropdown-menu{background-color:var(--card-bg);border:1px solid var(--border-color);box-shadow:var(--shadow-lg);z-index:100;opacity:0;visibility:hidden;border-radius:12px;flex-direction:column;gap:.25rem;min-width:200px;padding:.5rem;transition:opacity .25s cubic-bezier(.4,0,.2,1),transform .25s cubic-bezier(.4,0,.2,1),visibility .25s;display:flex;position:absolute;top:100%;left:50%;transform:translate(-50%)translateY(8px)}.dropdown:hover .dropdown-menu,.dropdown:focus-within .dropdown-menu{opacity:1;visibility:visible;transform:translate(-50%)translateY(4px)}.dropdown-item{color:var(--text-muted);font-family:var(--font-heading);text-align:left;cursor:pointer;background:0 0;border:none;border-radius:8px;align-items:center;gap:.75rem;width:100%;padding:.6rem 1rem;font-size:.9rem;font-weight:500;transition:all .2s;display:flex}.dropdown-item:hover{background-color:var(--primary-light);color:var(--primary)}.modal-overlay{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:1000;background-color:#0f172a99;justify-content:center;align-items:center;animation:.25s ease-out fadeIn;display:flex;position:fixed;inset:0}.modal-content-wrapper{background-color:var(--card-bg);border:1px solid var(--border-color);border-radius:24px;width:100%;max-width:440px;animation:.3s cubic-bezier(.34,1.56,.64,1) slideUp;position:relative;overflow:hidden;box-shadow:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a}.modal-header-close{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;padding:.5rem;transition:all .2s;display:flex;position:absolute;top:1rem;right:1rem}.modal-header-close:hover{background-color:var(--background);color:var(--text-main)}.modal-tabs{border-bottom:1px solid var(--border-color);background-color:var(--background);display:flex}.modal-tab{text-align:center;font-family:var(--font-heading);cursor:pointer;color:var(--text-muted);background:0 0;border:none;flex:1;padding:1.25rem;font-size:1rem;font-weight:600;transition:all .2s;position:relative}.modal-tab.active{color:var(--primary);background-color:var(--card-bg)}.modal-tab.active:after{content:"";background-color:var(--primary);border-radius:3px 3px 0 0;height:3px;position:absolute;bottom:0;left:0;right:0}.modal-body{padding:2.25rem 2rem}.modal-title{text-align:center;margin-bottom:.5rem;font-size:1.5rem;font-weight:800}.modal-subtitle{color:var(--text-muted);text-align:center;margin-bottom:1.75rem;font-size:.9rem}.user-badge{background-color:var(--primary-light);color:var(--primary);font-size:.85rem;font-weight:600;font-family:var(--font-heading);border-radius:12px;align-items:center;gap:.5rem;padding:.4rem .8rem;display:flex}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.hero-gradient-text{background:linear-gradient(135deg,#fff 0%,#a5b4fc 50%,#6366f1 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text}.glow-blob{filter:blur(40px);pointer-events:none;z-index:0;background:radial-gradient(circle,#6366f126 0%,#6366f100 70%);border-radius:50%;width:400px;height:400px;animation:15s ease-in-out infinite alternate float-slow;position:absolute}.glow-blob-secondary{filter:blur(30px);pointer-events:none;z-index:0;background:radial-gradient(circle,#f59e0b14 0%,#f59e0b00 70%);border-radius:50%;width:300px;height:300px;animation:18s ease-in-out infinite alternate-reverse float-slow;position:absolute}@keyframes float-slow{0%{transform:translate(0)scale(1)}50%{transform:translate(40px,-60px)scale(1.1)}to{transform:translate(-20px,20px)scale(.95)}}.bento-grid{grid-template-columns:repeat(3,1fr);gap:1.5rem;display:grid}.bento-card-large{grid-column:span 2}.bento-card-small{grid-column:span 1}@media (width<=968px){.bento-grid{grid-template-columns:1fr}.bento-card-large,.bento-card-small{grid-column:span 1}}.interactive-stat-circle{transition:all .3s}.interactive-stat-circle:hover{border-color:#6366f166;transform:scale(1.03);box-shadow:0 10px 30px #6366f140}.intro-loader-overlay{z-index:99999;background-color:#0b0f19;flex-direction:column;justify-content:center;align-items:center;padding:2rem;transition:opacity .8s cubic-bezier(.77,0,.175,1),visibility .8s;display:flex;position:fixed;inset:0;overflow:hidden}.intro-loader-content{z-index:10;text-align:center;flex-direction:column;align-items:center;gap:2rem;width:100%;max-width:600px;display:flex}.intro-glowing-ring{background:radial-gradient(circle,#6366f11a 0%,#0000 70%);border:1px solid #6366f133;border-radius:50%;justify-content:center;align-items:center;width:120px;height:120px;animation:2s infinite alternate pulse-ring;display:flex;position:relative;box-shadow:0 0 40px #6366f11a}@keyframes pulse-ring{0%{transform:scale(.98);box-shadow:0 0 30px #6366f11a}to{transform:scale(1.04);box-shadow:0 0 60px #6366f140}}.intro-loader-progress-bar{background:#ffffff0d;border-radius:9999px;width:100%;height:4px;position:relative;overflow:hidden}.intro-loader-progress-fill{background:linear-gradient(90deg,#6366f1 0%,#a5b4fc 50%,#f59e0b 100%);width:0%;height:100%;transition:width .1s linear;box-shadow:0 0 10px #6366f180}.intro-text-reveal{font-family:var(--font-heading);color:#a5b4fc;opacity:0;min-height:2.5rem;font-size:1.15rem;font-weight:500;animation:.5s forwards text-reveal-anim;transform:translateY(10px)}@keyframes text-reveal-anim{to{opacity:1;transform:translateY(0)}}.particle-element{background-color:var(--primary);opacity:.15;pointer-events:none;border-radius:50%;width:6px;height:6px;animation:20s linear infinite float-particle;position:absolute}@keyframes float-particle{0%{opacity:0;transform:translateY(100vh)translate(0)scale(1)}10%{opacity:.2}90%{opacity:.2}to{opacity:0;transform:translateY(-10vh)translate(100px)scale(.5)}}