.login-container{display:flex;justify-content:center;align-items:center;min-height:100vh;background:linear-gradient(135deg,#0a0f1a,#1a1f2e,#0d1117);position:relative;overflow:hidden}.login-container:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(circle at 20% 80%,rgba(59,130,246,.08) 0%,transparent 50%),radial-gradient(circle at 80% 20%,rgba(16,185,129,.06) 0%,transparent 50%);pointer-events:none}.login-card{position:relative;width:100%;max-width:400px;background:#161b22f2;border:1px solid rgba(48,54,61,.8);border-radius:16px;padding:2.5rem;box-shadow:0 25px 50px -12px #00000080,0 0 0 1px #ffffff0d;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.login-header{text-align:center;margin-bottom:2rem}.login-logo-img{width:200px;margin:0 auto 1.5rem}.login-logo-img img{width:100%;height:auto;max-width:200px}.login-logo-text{font-size:2rem;font-weight:700;color:#f0f6fc;margin-bottom:.25rem;letter-spacing:-.5px}.login-subtitle{color:#8b949e;font-size:.875rem;margin:0}.login-error{padding:.875rem 1rem;background:#f851491a;border:1px solid rgba(248,81,73,.4);border-radius:8px;color:#f85149;font-size:.875rem;margin-bottom:1rem}.login-tabs{display:flex;gap:0;margin-bottom:1.5rem;border-radius:8px;overflow:hidden;border:1px solid #30363d}.login-tab{flex:1;padding:.75rem;border:none;cursor:pointer;font-weight:500;font-size:.85rem;display:flex;align-items:center;justify-content:center;gap:.5rem;background:transparent;color:#8b949e;transition:all .2s}.login-tab.active{background:#238636;color:#fff}.login-tab:hover:not(.active){background:#ffffff0d}.login-form{display:flex;flex-direction:column;gap:1.25rem}.form-group{display:flex;flex-direction:column;gap:.5rem}.form-group label{color:#c9d1d9;font-size:.875rem;font-weight:500}.form-input{width:100%;padding:.875rem 1rem;background:#0d1117cc;border:1px solid #30363d;border-radius:8px;color:#f0f6fc;font-size:.9375rem;transition:border-color .2s,box-shadow .2s;box-sizing:border-box}.form-input:focus{outline:none;border-color:#58a6ff;box-shadow:0 0 0 3px #58a6ff26}.form-input::placeholder{color:#6e7681}.password-wrap{position:relative}.password-wrap .form-input{padding-right:3.5rem}.password-toggle{position:absolute;right:.75rem;top:50%;transform:translateY(-50%);background:none;border:none;color:#8b949e;cursor:pointer;font-size:.78rem;font-weight:500}.password-toggle:hover{color:#c9d1d9}.btn-login{width:100%;padding:.875rem 1.5rem;background:linear-gradient(135deg,#238636,#2ea043);border:1px solid rgba(46,160,67,.4);border-radius:8px;color:#fff;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s;margin-top:.5rem}.btn-login:hover{background:linear-gradient(135deg,#2ea043,#3fb950);box-shadow:0 4px 12px #2ea04366;transform:translateY(-1px)}.btn-login:active{transform:translateY(0)}.btn-login:disabled{opacity:.6;cursor:not-allowed;transform:none}.login-links{text-align:center;margin-top:.5rem}.login-links a{color:#58a6ff;font-size:.8rem;text-decoration:none}.login-links a:hover{text-decoration:underline}.tfa-method-label{color:#8b949e!important;font-size:.75rem!important}.tfa-method-buttons{display:flex;gap:.5rem}.tfa-method-btn{flex:1;padding:.75rem;border:1px solid #30363d;border-radius:6px;cursor:pointer;font-size:.8rem;display:flex;align-items:center;justify-content:center;gap:.5rem;background:transparent;color:#8b949e}.tfa-method-btn.active{background:#238636;color:#fff;border-color:#238636}.tfa-code-input{font-size:1.5rem!important;text-align:center;letter-spacing:.5rem}.tfa-hint{color:#6b7280;font-size:.7rem;margin-top:.5rem}.btn-back{width:100%;padding:.75rem;background:transparent;border:1px solid #30363d;border-radius:8px;color:#8b949e;cursor:pointer;font-size:.85rem;margin-top:.5rem}.btn-back:hover{background:#ffffff0d;color:#c9d1d9}.login-footer{text-align:center;margin-top:1.5rem;padding-top:1.5rem;border-top:1px solid #21262d;color:#6e7681;font-size:.75rem}.login-footer a{color:#58a6ff;text-decoration:none}.login-footer a:hover{text-decoration:underline}