:root{--bg-deep:#0a0a1a;--bg-card:rgba(22, 22, 42, 0.85);--border-subtle:rgba(255,255,255,0.06);--purple:#7c3aed;--purple-glow:rgba(124,58,237,0.3);--text-primary:#e8e8f0;--text-secondary:#a0a0b5;--text-muted:#6b6b80;--input-bg:rgba(255,255,255,0.04);--input-autofill-bg:#201f34;--input-border:rgba(255,255,255,0.08);--input-focus:rgba(124,58,237,0.4);--error-bg:rgba(239,68,68,0.1);--error-border:rgba(239,68,68,0.3);--error-text:#f87171;--success-bg:rgba(34,197,94,0.1);--success-border:rgba(34,197,94,0.3);--success-text:#22c55e;--radius:14px;--ease-out:cubic-bezier(0.23, 1, 0.32, 1);--ease-in-out:cubic-bezier(0.77, 0, 0.175, 1);--transition:180ms var(--ease-out)}[data-theme=light]{--bg-deep:#f0f0f5;--bg-card:rgba(255, 255, 255, 0.92);--border-subtle:rgba(0,0,0,0.08);--text-primary:#1a1a2e;--text-secondary:#555570;--text-muted:#888898;--input-bg:rgba(0,0,0,0.03);--input-autofill-bg:#f7f7fb;--input-border:rgba(0,0,0,0.1);--input-focus:rgba(124,58,237,0.4)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg-deep);color:var(--text-primary);min-height:100vh;display:flex;align-items:center;justify-content:center;overflow:hidden;background:radial-gradient(circle at 12% 2%,rgba(124,58,237,.18),transparent 26rem),radial-gradient(circle at 88% 96%,rgba(6,182,212,.18),transparent 28rem),var(--bg-deep)}.login-bg{position:fixed;inset:0;z-index:0;overflow:hidden}.bg-orb{position:absolute;border-radius:50%;filter:blur(100px);opacity:.15;animation:20s ease-in-out infinite float;opacity:.18;will-change:transform}.orb-1{width:500px;height:500px;background:#7c3aed;top:-10%;left:-5%;animation-delay:0s}.orb-2{width:400px;height:400px;background:#06b6d4;bottom:-10%;right:-5%;animation-delay:-7s}.orb-3{width:300px;height:300px;background:#ec4899;top:50%;left:50%;transform:translate(-50%,-50%);animation-delay:-14s}@keyframes float{0%,100%{transform:translate(0,0) scale(1)}25%{transform:translate(30px,-40px) scale(1.05)}50%{transform:translate(-20px,20px) scale(.95)}75%{transform:translate(40px,30px) scale(1.02)}}[data-theme=light] .bg-orb{opacity:.08}.login-container{position:relative;z-index:1;width:100%;max-width:420px;padding:20px}.login-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:20px;padding:40px 36px;backdrop-filter:blur(24px);box-shadow:0 24px 48px rgba(0,0,0,.3),0 0 0 1px rgba(255,255,255,.02) inset;animation:.5s cubic-bezier(.16,1,.3,1) slideUp}.login-card.hidden{display:none}@keyframes slideUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.login-logo{text-align:center;margin-bottom:28px}.login-logo .logo-img{height:90px;max-width:100%;filter:drop-shadow(0 18px 34px rgba(0,0,0,.28))}[data-theme=light] .login-logo .logo-img{filter:none}.login-title{font-size:1.6rem;font-weight:700;text-align:center;margin-bottom:6px;letter-spacing:-.02em;letter-spacing:-.04em}.login-subtitle{text-align:center;color:var(--text-muted);font-size:.88rem;margin-bottom:28px}.login-error{background:var(--error-bg);border:1px solid var(--error-border);color:var(--error-text);padding:12px 16px;border-radius:10px;font-size:.85rem;margin-bottom:20px;text-align:center;animation:.3s shake}.login-success{background:var(--success-bg);border:1px solid var(--success-border);color:var(--success-text);padding:12px 16px;border-radius:10px;font-size:.85rem;margin-bottom:20px;text-align:center}@keyframes shake{0%,100%{transform:translateX(0)}20%{transform:translateX(-6px)}40%{transform:translateX(6px)}60%{transform:translateX(-4px)}80%{transform:translateX(4px)}}.form-field{margin-bottom:18px}.form-field label{display:block;font-size:.82rem;font-weight:500;color:var(--text-secondary);margin-bottom:6px}.input-wrapper{display:flex;align-items:center;gap:10px;background:var(--input-bg);border:1px solid var(--input-border);border-radius:var(--radius);padding:0 16px;transition:color var(--transition),background-color var(--transition),border-color var(--transition),box-shadow var(--transition),opacity var(--transition),transform var(--transition),filter var(--transition)}.input-wrapper:focus-within{border-color:var(--input-focus);box-shadow:0 0 0 3px rgba(124,58,237,.08)}.input-wrapper svg{color:var(--text-muted);flex-shrink:0}.input-wrapper input{flex:1;background:0 0;border:none;outline:0;color:var(--text-primary);font-family:inherit;font-size:.92rem;padding:14px 0}.input-wrapper 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34%)}.back-btn,.forgot-link,.input-wrapper,.login-btn,.login-theme-toggle{transition-property:color,background-color,border-color,box-shadow,opacity,transform,filter;transition-duration:180ms;transition-timing-function:var(--ease-out);-webkit-tap-highlight-color:transparent}.input-wrapper{min-height:54px;box-shadow:0 1px 0 rgba(255,255,255,.035) inset}.input-wrapper:focus-within{border-color:rgba(147,51,234,.66);box-shadow:0 0 0 4px rgba(124,58,237,.12),0 1px 0 rgba(255,255,255,.05) inset;transform:translateY(-1px)}.input-wrapper:focus-within svg{color:#a78bfa}.login-btn{min-height:56px;background:linear-gradient(135deg,rgba(255,255,255,.16),transparent 36%),linear-gradient(135deg,#7c3aed,#a21caf);box-shadow:0 1px 0 rgba(255,255,255,.22) inset,0 18px 48px rgba(124,58,237,.28);transform:translateZ(0)}.back-btn:active,.login-btn:active,.login-theme-toggle:active{transform:scale(.97)}.login-btn:disabled{box-shadow:none}.login-theme-toggle{position:fixed;bottom:20px;right:20px;width:44px;height:44px;border-radius:50%;border:1px solid var(--border-subtle);background:var(--bg-card);color:var(--text-secondary);cursor:pointer;display:flex;align-items:center;justify-content:center;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);z-index:10;box-shadow:0 12px 34px rgba(0,0,0,.2),0 1px 0 rgba(255,255,255,.05) inset}.login-error,.login-success{animation:messageEnter 220ms var(--ease-out) both}@keyframes messageEnter{from{opacity:0;transform:translateY(-6px) scale(.98);filter:blur(2px)}to{opacity:1;transform:translateY(0) scale(1);filter:blur(0)}}:focus-visible{outline:#a78bfa solid 2px;outline-offset:3px}@media (hover:hover) and (pointer:fine){.login-btn:hover{background:linear-gradient(135deg,rgba(255,255,255,.2),transparent 38%),linear-gradient(135deg,#6d28d9,#9333ea);transform:translateY(-1px);box-shadow:0 1px 0 rgba(255,255,255,.24) inset,0 22px 58px rgba(124,58,237,.34)}.back-btn:hover,.login-theme-toggle:hover{transform:translateY(-1px)}}@media (max-width:480px){body{align-items:flex-start;padding:72px 20px 24px;overflow-y:auto}.login-container{padding:0}.login-card{padding:34px 24px 36px}.login-logo .logo-img{height:82px}.login-theme-toggle{bottom:18px;right:18px}}@media (prefers-reduced-motion:reduce){*,::after,::before{animation-duration:1ms!important;animation-delay:0s!important;animation-iteration-count:1!important;transition-duration:1ms!important;transition-delay:0s!important;scroll-behavior:auto!important}.bg-orb{animation:none!important}.input-wrapper,.login-btn,.login-card,.login-error,.login-success{filter:none!important}}