/* auth.css - login / register / admin login */

/* === Common === */
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;min-height:100vh}
a{text-decoration:none;color:inherit}
.form-header{margin-bottom:32px}
.form-header h2{font-size:24px;font-weight:700;color:#1a1a1a;margin-bottom:6px}
.form-header p{font-size:13px;color:#999}
.form-group{margin-bottom:18px}
.form-group label{display:block;font-size:13px;font-weight:600;color:#333;margin-bottom:7px}
.form-input{width:100%;height:44px;padding:0 14px;font-size:14px;border:1.5px solid #e2e5ea;border-radius:8px;outline:none;transition:border-color .2s;color:#333;background:#fff}
.form-input:focus{border-color:#3b82f6;box-shadow:0 0 0 3px rgba(59,130,246,.08)}
.form-input::placeholder{color:#bbb}
.form-error{color:#e74c3c;font-size:12px;margin-top:4px}
.form-btn{width:100%;height:46px;border:none;border-radius:8px;font-size:15px;font-weight:600;color:#fff;cursor:pointer;transition:all .2s;margin-top:8px;background:linear-gradient(135deg,#3b82f6,#2563eb);box-shadow:0 4px 12px rgba(59,130,246,.25)}
.form-btn:hover{box-shadow:0 6px 20px rgba(59,130,246,.35);transform:translateY(-1px)}
.form-footer{margin-top:22px;text-align:center;font-size:13px;color:#999}
.form-footer a{color:#3b82f6;font-weight:500}
.form-footer a:hover{text-decoration:underline}

/* === Login & Register === */
.page-login,.page-register{background:linear-gradient(to right,#0f172a 50%,#fff 50%)}
.auth-wrap{display:flex;max-width:1060px;min-height:100vh;margin:0 auto}
.auth-left{width:530px;display:flex;flex-direction:column;justify-content:center;padding:60px 60px 60px 0}
.auth-right{width:530px;display:flex;flex-direction:column;justify-content:center;padding:60px 0 60px 60px}
.brand-logo{margin-bottom:50px}
.brand-logo img{height:44px}
.brand-title{font-size:34px;font-weight:800;color:#fff;line-height:1.4;margin-bottom:14px}
.brand-sub{font-size:14px;color:rgba(255,255,255,.45);line-height:1.8;margin-bottom:44px}
.brand-feat{display:flex;align-items:center;gap:14px;margin-bottom:20px}
.brand-feat-icon{width:38px;height:38px;border-radius:10px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.brand-feat-icon svg{color:rgba(255,255,255,.6)}
.brand-feat span{font-size:13px;color:rgba(255,255,255,.55)}
.form-divider{display:flex;align-items:center;gap:12px;margin:22px 0;color:#ccc;font-size:12px}
.form-divider::before,.form-divider::after{content:'';flex:1;height:1px;background:#eee}
.captcha-row{display:flex;gap:10px;align-items:center}
.captcha-row .form-input{flex:1}
.captcha-row img{height:44px;border-radius:6px;cursor:pointer}
.brand-step{display:flex;align-items:flex-start;gap:14px;margin-bottom:26px}
.brand-step-num{width:30px;height:30px;border-radius:50%;background:rgba(59,130,246,.15);border:1.5px solid rgba(59,130,246,.35);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;color:#60a5fa;flex-shrink:0}
.brand-step-text strong{display:block;font-size:14px;color:rgba(255,255,255,.85);margin-bottom:2px}
.brand-step-text span{font-size:12px;color:rgba(255,255,255,.35)}
.code-row{display:flex;gap:10px;align-items:center}
.code-row .form-input{flex:1}
.code-btn{height:44px;padding:0 18px;border:1.5px solid #3b82f6;border-radius:8px;background:#fff;color:#3b82f6;font-size:13px;font-weight:600;cursor:pointer;white-space:nowrap;transition:all .2s}
.code-btn:hover{background:#eff6ff}
.code-btn:disabled{border-color:#ddd;color:#bbb;cursor:not-allowed;background:#fafafa}
.code-tip{font-size:12px;margin-top:4px}
.text-success{color:#10b981}
.text-danger{color:#e74c3c}

@media(max-width:960px){
.page-login,.page-register{background:#fff}
.auth-wrap{flex-direction:column;max-width:100%}
.auth-left{display:none}
.auth-right{width:100%;max-width:420px;margin:0 auto;padding:40px 24px}
}

/* === Admin Login === */
.page-admin-login{background:linear-gradient(135deg,#0f172a 0%,#1a2744 40%,#1e3a5f 100%);display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.page-admin-login::before{content:'';position:absolute;top:-200px;right:-100px;width:600px;height:600px;border-radius:50%;background:radial-gradient(circle,rgba(59,130,246,.08),transparent 70%)}
.page-admin-login::after{content:'';position:absolute;bottom:-150px;left:-100px;width:500px;height:500px;border-radius:50%;background:radial-gradient(circle,rgba(255,114,0,.06),transparent 70%)}
.admin-card{width:420px;background:#fff;border-radius:16px;box-shadow:0 20px 60px rgba(0,0,0,.3);padding:48px 40px;position:relative;z-index:1}
.admin-logo{text-align:center;margin-bottom:12px}
.admin-logo img{height:44px}
.admin-title{text-align:center;font-size:20px;font-weight:700;color:#1a1a1a;margin-bottom:4px}
.admin-sub{text-align:center;font-size:13px;color:#999;margin-bottom:36px}
.page-admin-login .form-input{height:46px;padding:0 16px}
.page-admin-login .form-error{text-align:center;margin-top:5px}
.page-admin-login .form-btn{height:48px;background:linear-gradient(135deg,#1e3a5f,#0f172a);box-shadow:0 4px 12px rgba(15,23,42,.3)}
.page-admin-login .form-btn:hover{box-shadow:0 6px 20px rgba(15,23,42,.4)}
.admin-badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;background:#f0f7ff;border:1px solid #dbeafe;border-radius:20px;font-size:11px;color:#3b82f6;margin:0 auto 28px;width:fit-content}
.admin-badge svg{flex-shrink:0}
@media(max-width:480px){.admin-card{width:calc(100% - 32px);padding:36px 24px}}