.auth-page{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px;position:relative;z-index:1}
.auth-top-bar{position:absolute;top:0;left:0;right:0;display:flex;align-items:center;justify-content:space-between;padding:16px 20px;z-index:10}
.auth-logo{height:28px;width:auto;max-width:140px;display:block}
.auth-logo-mini{display:flex;align-items:center;gap:8px;font-weight:700;font-size:18px;background:linear-gradient(135deg,var(--primary) 0%,#aaff00 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.auth-logo-mini .logo-dot{width:32px;height:32px;border-radius:10px;background:linear-gradient(135deg,var(--primary),#aaff00);display:flex;align-items:center;justify-content:center;font-size:16px;color:#000;font-weight:800}

.auth-card{position:relative;z-index:1;width:100%;max-width:420px;background:var(--bg-card);border-radius:28px;padding:36px 28px;border:1px solid var(--border);backdrop-filter:blur(20px)}
.auth-card::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--primary-glow),transparent);opacity:.5}

.auth-welcome{margin-bottom:28px}
.auth-welcome h2{font-size:32px;font-weight:700;margin-bottom:8px;letter-spacing:-.5px}
.auth-welcome p{font-size:14px;color:var(--text-secondary)}

.auth-tabs{display:flex;margin-bottom:28px;background:var(--bg-card-2);border-radius:14px;padding:5px;gap:4px}
.auth-tab{flex:1;text-align:center;padding:12px 16px;border-radius:10px;font-size:14px;color:var(--text-muted);cursor:pointer;transition:all .3s;font-weight:500}
.auth-tab.active{background:var(--primary);color:#000;font-weight:600;box-shadow:0 2px 12px var(--primary-glow)}

.input-group{margin-bottom:20px}
.input-group label{display:block;margin-bottom:10px;font-size:13px;color:var(--text-secondary);font-weight:500}
.input-wrap{position:relative}
.input-wrap .fa{position:absolute;left:18px;top:50%;transform:translateY(-50%);color:var(--text-muted);font-size:16px;z-index:1}
.input-wrap input{width:100%;padding:18px 20px 18px 52px;background:var(--bg-card-2);border:1.5px solid var(--border);border-radius:16px;color:var(--text-primary);font-size:15px;outline:none;transition:all .3s;font-weight:400}
.input-wrap input:focus{border-color:var(--primary);box-shadow:0 0 0 4px var(--primary-glow-soft);background:var(--bg-card)}
.input-wrap input::placeholder{color:var(--text-muted)}
.input-wrap .btn-suffix{position:absolute;right:8px;top:50%;transform:translateY(-50%);background:var(--bg-card);border:1px solid var(--border);color:var(--primary);padding:10px 14px;border-radius:10px;font-size:12px;cursor:pointer;white-space:nowrap;transition:all .2s;font-weight:600}
.input-wrap .btn-suffix:active{opacity:.7;transform:translateY(-50%) scale(.96)}
.input-wrap .btn-suffix:disabled{opacity:.4;cursor:not-allowed;color:var(--text-muted)}
.input-wrap .eye-btn{position:absolute;right:16px;top:50%;transform:translateY(-50%);color:var(--text-muted);font-size:18px;cursor:pointer;padding:8px;transition:color .2s}
.input-wrap .eye-btn:active{color:var(--primary)}

.btn{display:inline-flex;align-items:center;justify-content:center;padding:18px 24px;border-radius:16px;font-size:16px;font-weight:700;cursor:pointer;border:none;transition:all .3s;width:100%;letter-spacing:.5px}
.btn-primary{background:var(--primary);color:#000;box-shadow:0 4px 24px var(--primary-glow),0 0 40px var(--primary-glow-soft) inset}
.btn-primary:active{transform:scale(.97);box-shadow:0 2px 12px var(--primary-glow)}
.btn-primary:disabled{opacity:.5;cursor:not-allowed;transform:none}

.auth-footer{text-align:center;margin-top:24px;font-size:13px;color:var(--text-secondary)}
.auth-footer a{color:var(--primary);font-weight:600}
.auth-footer .highlight{color:var(--primary);font-weight:600}

.secure-tips{display:flex;align-items:center;justify-content:center;gap:6px;margin-top:28px;padding-top:24px;border-top:1px solid var(--border);font-size:12px;color:var(--text-muted)}
.secure-tips .fa{font-size:14px;color:#00e676}

/* 第三方登录 */
.social-login{margin-top:28px;padding-top:24px;border-top:1px solid var(--border);text-align:center}
.social-title{font-size:12px;color:var(--text-muted);margin-bottom:16px;text-transform:uppercase;letter-spacing:1px;position:relative}
.social-title::before,.social-title::after{content:'';position:absolute;top:50%;width:30%;height:1px;background:var(--border)}
.social-title::before{left:0}
.social-title::after{right:0}
.social-btns{display:flex;justify-content:center;gap:20px}
.social-btn{width:48px;height:48px;border-radius:14px;background:var(--bg-card-2);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;color:var(--text-secondary);font-size:20px;cursor:pointer;transition:all .3s}
.social-btn:active{transform:scale(.92);background:var(--primary-glow-soft);border-color:var(--primary-glow)}

.toast{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%) scale(.9);background:linear-gradient(180deg,var(--bg-card-2) 0%,var(--bg-card) 100%);color:var(--text-primary);padding:14px 28px;border-radius:14px;font-size:14px;z-index:99999;opacity:0;transition:all .3s cubic-bezier(.16,.84,.44,1);pointer-events:none;border:1px solid var(--border);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);font-weight:500;box-shadow:0 8px 32px rgba(0,0,0,0.2);max-width:80%;text-align:center}
.toast.show{opacity:1;transform:translate(-50%,-50%) scale(1)}

/* 动画 */
.auth-card{animation:slideUp .7s cubic-bezier(.16,.84,.44,1) both}
.auth-welcome{animation:slideUp .6s cubic-bezier(.16,.84,.44,1) both;animation-delay:.1s}
.auth-tabs{animation:slideUp .6s cubic-bezier(.16,.84,.44,1) both;animation-delay:.15s}
.input-group{animation:slideLeft .5s cubic-bezier(.16,.84,.44,1) both}
.input-group:nth-of-type(1){animation-delay:.2s}
.input-group:nth-of-type(2){animation-delay:.25s}
.input-group:nth-of-type(3){animation-delay:.3s}
.input-group:nth-of-type(4){animation-delay:.35s}
.input-group:nth-of-type(5){animation-delay:.4s}
.btn{animation:slideUp .5s cubic-bezier(.16,.84,.44,1) both;animation-delay:.45s}
.auth-footer{animation:fadeIn .5s ease both;animation-delay:.55s}
.secure-tips{animation:fadeIn .5s ease both;animation-delay:.6s}
.social-login{animation:fadeIn .5s ease both;animation-delay:.65s}
@keyframes slideUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
@keyframes slideLeft{from{opacity:0;transform:translateX(-20px)}to{opacity:1;transform:translateX(0)}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes zoomIn{from{opacity:0;transform:scale(.8)}to{opacity:1;transform:scale(1)}}
@keyframes tyndallRayAuth{0%{transform:skewX(-15deg) translateX(-100%)}100%{transform:skewX(-15deg) translateX(180%)}}
@keyframes tyndallRay2Auth{0%{transform:skewX(-20deg) translateX(-100%)}100%{transform:skewX(-20deg) translateX(200%)}}

.auth-support-btn{display:none}

.float-support-btn{position:fixed;right:16px;bottom:calc(168px + env(safe-area-inset-bottom));width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,var(--primary) 0%,rgba(204,255,0,0.7) 100%);color:#000;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 20px rgba(204,255,0,0.3);z-index:90;font-size:20px;cursor:pointer;user-select:none;-webkit-user-select:none;touch-action:none}
.float-support-btn:active{transform:scale(.92)}
.float-support-btn.dragging{transition:none;opacity:.85;z-index:9999}