:root{--primary:#8a2be2;--pulse:#9d4edd;--text:#f0f0f0;--bg:#121212;--sidebar:#1e1e1e;--neon-start:#f6ff00;--neon-end:#00ff08}*{box-sizing:border-box}body,html{height:100%}body{margin:0;color:var(--text);background:var(--bg);font-family:system-ui,-apple-system,"Segoe UI",Roboto,Ubuntu,Cantarell,Arial,sans-serif;overflow-x:hidden}.menu-checkbox{position:fixed;left:-9999px}.menu-toggle{position:fixed;top:20px;left:20px;z-index:1100;color:var(--text);font-size:1.4rem;cursor:pointer;background:0 0;border:0;transition:transform .2s,color .2s}.menu-toggle:hover{color:var(--primary);transform:scale(1.06)}.menu-toggle .icon-close{display:none}.menu-checkbox:checked~.menu-toggle .icon-bars{display:none}.menu-checkbox:checked~.menu-toggle .icon-close{display:inline-block}.overlay{position:fixed;inset:0;background:rgb(0 0 0 / 50%);opacity:0;pointer-events:none;transition:opacity .3s;z-index:900}.menu-checkbox:checked~.overlay{opacity:1;pointer-events:auto}.sidebar{position:fixed;top:0;left:-250px;width:250px;height:100vh;z-index:1000;background:var(--sidebar);box-shadow:2px 0 14px rgb(0 0 0 / 45%);transition:left .3s ease}.menu-checkbox:checked~.sidebar{left:0}.sidebar-menu{padding:20px;margin-top:60px}.sidebar-menu a{display:flex;align-items:center;gap:12px;padding:14px 10px;color:var(--text);text-decoration:none;border-radius:8px;transition:all .25s;margin-bottom:10px}.sidebar-menu a:hover{background:rgb(138 43 226 / 20%);transform:translateX(6px)}.sidebar-menu i{width:1.3rem;text-align:center;transition:transform .3s,color .3s}.sidebar-menu a:hover i{transform:scale(1.15);color:#fff}.main-content{min-height:100vh;display:flex;flex-direction:column;justify-content:center;align-items:center;padding:20px;transition:margin-left .3s}.menu-checkbox:checked~.main-content{margin-left:250px}.hero{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:60vh;padding:20px;text-align:center}.welcome-text{position:relative;font-size:clamp(42px, 9vw, 120px);line-height:.95;margin:0 0 18px}.welcome-letter{display:inline-block;color:#8a2be2;text-shadow:0 0 10px rgb(138 43 226 / 65%);animation:pulse 2.2s ease-in-out infinite}@keyframes pulse{0%,100%{transform:scale(1);text-shadow:0 0 10px rgb(138 43 226 / 65%)}50%{transform:scale(1.08);text-shadow:0 0 20px #9d4edd,0 0 36px #9d4edd}}.neon-overlay{position:absolute;inset:0;color:transparent;background:linear-gradient(90deg,var(--neon-start),var(--neon-end));background-size:200% 100%;background-repeat:no-repeat;background-clip:text;opacity:1;mask-image:linear-gradient(90deg,transparent 0%,black 18%,black 82%,transparent 100%);mask-size:20% 100%;mask-repeat:no-repeat;animation:neonFlow 12s linear infinite;filter:drop-shadow(0 0 10px rgb(215 255 0 / 22%)) drop-shadow(0 0 22px rgb(0 255 168 / 18%))}@keyframes neonFlow{0%{background-position:0 50%;mask-position:0% 50%}100%{background-position:200% 50%;mask-position:200% 50%}}.tagline{font-size:1.1rem;opacity:.85;max-width:740px;margin:6px auto 28px;text-shadow:0 0 8px rgb(157 78 221 / 18%)}.cta-row{display:flex;gap:16px;flex-wrap:wrap;justify-content:center}.cta{display:inline-flex;align-items:center;gap:10px;padding:12px 18px;border-radius:12px;text-decoration:none;font-weight:600;color:#0b0f14;background:#d7ff00;box-shadow:0 0 14px rgb(215 255 0 / 35%),inset 0 0 0 2px rgb(0 0 0 / 8%);transition:transform .15s ease,box-shadow .2s ease,filter .2s ease}.cta i{color:#0b0f14}.cta:hover{transform:translateY(-2px);box-shadow:0 0 18px rgb(215 255 0 / 50%),0 0 30px rgb(0 255 168 / 25%)}.cta--register{background:#00ffa8}.cta--register:hover{box-shadow:0 0 18px rgb(0 255 168 / 50%),0 0 30px rgb(215 255 0 / 25%)}@media (width <= 768px){.menu-checkbox:checked~.main-content{margin-left:0}}.auth{display:flex;align-items:center;justify-content:center;min-height:70vh;padding:24px}.auth-card{width:clamp(320px,92vw,520px);background:rgb(37 37 37 / 55%);border:1px solid rgb(255 255 255 / 6%);border-radius:16px;padding:22px 22px 18px;box-shadow:0 8px 40px rgb(0 0 0 / 35%),0 0 32px rgb(138 43 226 / 10%) inset;backdrop-filter:blur(6px)}.auth-header{display:flex;flex-direction:column;align-items:center;gap:8px;margin-bottom:12px}.auth-header i{font-size:1.6rem;color:var(--primary);filter:drop-shadow(0 0 8px rgb(138 43 226 / 35%))}.auth-header h1{margin:0;font-size:1.8rem;letter-spacing:.02em}.auth-sub{margin:0;opacity:.8;font-size:.95rem}.alert{display:flex;align-items:flex-start;gap:10px;margin:12px 2px;padding:10px 12px;border-radius:12px;font-size:.95rem;background:rgb(255 255 255 / 6%);border:1px solid rgb(255 255 255 / 9%)}.alert i{margin-top:2px}.alert--error{background:rgb(255 71 87 / 10%);border-color:rgb(255 71 87 / 35%)}.alert--info{background:rgb(0 255 168 / 8%);border-color:rgb(0 255 168 / 28%)}.auth-form{margin-top:12px}.field{position:relative;margin-bottom:14px}.field .icon{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:#c9b6ff;opacity:.9;font-size:1rem;pointer-events:none;filter:drop-shadow(0 0 6px rgb(159 180 255 / 25%))}.input{width:100%;padding:12px 44px 12px 40px;border-radius:12px;outline:0;border:1px solid rgb(255 255 255 / 12%);background:#17171a;color:var(--text);transition:border-color .15s,box-shadow .2s,background .2s}.input::placeholder{color:#a9a9b8;opacity:.9}.input:focus{border-color:rgb(138 43 226 / 75%);box-shadow:0 0 0 3px rgb(138 43 226 / 22%),0 0 22px rgb(138 43 226 / 18%),inset 0 0 0 1px rgb(138 43 226 / 25%);background:#141419}.toggle-pass{position:absolute;right:8px;top:50%;transform:translateY(-50%);width:36px;height:36px;border-radius:10px;border:0;cursor:pointer;background:0 0;color:#bfc8ff;display:grid;place-items:center;transition:background .2s,color .2s,transform .1s}.toggle-pass:hover{background:rgb(124 164 255 / 10%);color:#e8f0ff}.toggle-pass:active{transform:translateY(-48%)}.form-row{margin:4px 2px 12px;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:.95rem}.chk{display:flex;align-items:center;gap:8px;opacity:.95}.link,.link-muted{color:#d7ff00;text-decoration:none;transition:filter .15s,color .15s}.link-muted{color:#b9c0e8}.link:hover{filter:drop-shadow(0 0 6px rgb(215 255 0 / 35%))}.link-muted:hover{color:#e8edff}.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:12px 16px;border-radius:12px;border:0;cursor:pointer;font-weight:700}.btn--primary{color:#0b0f14;background:#d7ff00;box-shadow:0 0 16px rgb(215 255 0 / 35%),inset 0 0 0 2px rgb(0 0 0 / 8%);transition:transform .12s,box-shadow .2s,filter .2s,opacity .2s}.btn--primary:hover{transform:translateY(-1px);box-shadow:0 0 20px rgb(215 255 0 / 50%)}.btn--primary:disabled{opacity:.5;cursor:not-allowed;filter:grayscale(.2)}.spinner{width:1em;height:1em;border-radius:50%;border:2px solid rgb(0 0 0 / 35%);border-top-color:rgb(0 0 0 / 75%);display:inline-block;animation:spin .8s linear infinite;margin-right:6px}@keyframes spin{to{transform:rotate(360deg)}}.text-muted{color:#b9c0e8;opacity:.9}.text-warn{color:#ffd166}.pw-hint{margin:-2px 2px 8px;font-size:.9rem;opacity:.95;display:flex;gap:8px;align-items:center}