/* ================================================================
   华润新能源 · 认证类页面统一样式 (login/register/forgot)
   ================================================================ */

/* ---- Layout wrapper ---- */
.auth-wrap{min-height:100vh;display:flex;flex-direction:column;background:var(--bg)}

/* ---- Hero (top brand strip) ---- */
.auth-hero{position:relative;padding:44px 24px 32px;background:linear-gradient(135deg,#5B0000 0%,#8B0000 40%,#C8102E 100%);color:#fff;text-align:center;overflow:hidden}
.auth-hero::before{content:"";position:absolute;top:-40%;right:-20%;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,rgba(240,176,60,.16) 0%,transparent 65%);pointer-events:none}
.auth-hero::after{content:"";position:absolute;bottom:-30%;left:-15%;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.08) 0%,transparent 65%);pointer-events:none}
.auth-hero-back{position:absolute;top:16px;left:16px;width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:rgba(0,0,0,.25);color:#fff;text-decoration:none;z-index:2;transition:background .15s;backdrop-filter:blur(4px)}
.auth-hero-back:hover{background:rgba(0,0,0,.5)}
.auth-hero-back svg{width:18px;height:18px}
.auth-hero-wordmark{display:inline-block;height:38px;margin-bottom:16px;position:relative;z-index:1;filter:brightness(1.1) drop-shadow(0 4px 12px rgba(0,0,0,.3))}
.auth-hero-eyebrow{display:inline-block;font-size:10px;letter-spacing:3px;text-transform:uppercase;padding:4px 10px;border:1px solid rgba(240,176,60,.45);background:rgba(240,176,60,.1);color:var(--brand-gold);border-radius:12px;position:relative;z-index:1;margin-bottom:10px;font-weight:700}
.auth-hero h1{font-size:22px;font-weight:800;position:relative;z-index:1;margin:0 0 6px;letter-spacing:.5px}
.auth-hero-sub{font-size:12.5px;opacity:.85;position:relative;z-index:1;line-height:1.55;max-width:280px;margin:0 auto}

/* ---- Content Box ---- */
.auth-box{flex:1;padding:24px 20px 32px;max-width:440px;margin:0 auto;width:100%;box-sizing:border-box}

.auth-tabs{display:flex;gap:0;margin-bottom:22px;border-bottom:1px solid var(--line);position:relative}
.auth-tab{flex:1;padding:12px 8px;font-size:15px;font-weight:700;color:var(--sub);text-align:center;text-decoration:none;position:relative;transition:color .15s;cursor:pointer}
.auth-tab.active{color:var(--brand)}
.auth-tab.active::after{content:"";position:absolute;left:20%;right:20%;bottom:-1px;height:2.5px;background:var(--brand);border-radius:2px 2px 0 0}
.auth-tab:hover{color:var(--text)}
.auth-tab.active:hover{color:var(--brand)}

.auth-field{margin-bottom:16px}
.auth-field-label{display:flex;justify-content:space-between;align-items:baseline;font-size:12px;font-weight:600;color:var(--sub);margin-bottom:6px;letter-spacing:.5px}
.auth-field-label .helper{font-size:11px;font-weight:400;color:var(--dim)}
.auth-field-wrap{position:relative}
.auth-input{width:100%;height:48px;padding:0 16px;font-size:15px;color:var(--text);background:var(--input);border:1px solid var(--line);border-radius:12px;transition:border-color .15s,background .15s;box-sizing:border-box;font-family:inherit;-webkit-appearance:none;appearance:none}
.auth-input:focus{outline:none;border-color:var(--brand);background:var(--bg);box-shadow:0 0 0 3px rgba(200,16,46,.08)}
.auth-input:disabled{opacity:.5;cursor:not-allowed}
.auth-input.has-suffix{padding-right:80px}

.auth-input-suffix{position:absolute;right:6px;top:50%;transform:translateY(-50%);display:flex;align-items:center;gap:4px}
.auth-eye-btn{width:36px;height:36px;background:none;border:0;color:var(--dim);cursor:pointer;display:flex;align-items:center;justify-content:center;border-radius:8px;padding:0;transition:color .15s,background .15s}
.auth-eye-btn:hover{color:var(--brand);background:var(--input)}
.auth-eye-btn svg{width:18px;height:18px}

.auth-checkbox-row{display:flex;align-items:flex-start;gap:8px;font-size:12.5px;color:var(--sub);margin-bottom:20px;line-height:1.55}
.auth-checkbox-row input[type="checkbox"]{width:16px;height:16px;margin:2px 0 0 0;accent-color:var(--brand);flex-shrink:0;cursor:pointer}
.auth-checkbox-row a{color:var(--brand);text-decoration:none;font-weight:600}
.auth-checkbox-row a:hover{text-decoration:underline}

.auth-btn{width:100%;height:50px;font-size:15px;font-weight:700;background:linear-gradient(135deg,var(--brand) 0%,var(--brand-2) 100%);color:#fff;border:0;border-radius:12px;cursor:pointer;transition:all .15s;letter-spacing:1px}
.auth-btn:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 8px 20px rgba(200,16,46,.28)}
.auth-btn:active:not(:disabled){transform:translateY(0)}
.auth-btn:disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}
.auth-btn.loading{pointer-events:none;position:relative;color:transparent}
.auth-btn.loading::after{content:"";width:18px;height:18px;border:2px solid rgba(255,255,255,.35);border-top-color:#fff;border-radius:50%;position:absolute;top:50%;left:50%;margin:-9px 0 0 -9px;animation:auth-spin .8s linear infinite}
@keyframes auth-spin{to{transform:rotate(360deg)}}

.auth-msg{font-size:12.5px;text-align:center;padding:12px 14px;border-radius:10px;margin:14px 0 0;line-height:1.5;display:none}
.auth-msg.show{display:block}
.auth-msg.err{background:rgba(255,59,48,.08);color:var(--r);border:1px solid rgba(255,59,48,.2)}
.auth-msg.ok{background:rgba(0,202,120,.08);color:var(--g);border:1px solid rgba(0,202,120,.2)}
.auth-msg.info{background:rgba(240,176,60,.1);color:var(--brand-gold-2);border:1px solid rgba(240,176,60,.3)}
[data-theme="dark"] .auth-msg.info{color:var(--brand-gold)}

.auth-footer{padding:16px 20px 24px;text-align:center;font-size:12.5px;color:var(--sub);line-height:1.7}
.auth-footer a{color:var(--brand);text-decoration:none;font-weight:600}
.auth-footer a:hover{text-decoration:underline}
.auth-footer-copy{margin-top:12px;padding-top:12px;border-top:1px solid var(--line);font-size:11px;color:var(--dim);line-height:1.7}

/* ---- Field strength meter (register) ---- */
.pwd-meter{display:flex;gap:3px;margin-top:6px;height:3px}
.pwd-meter-bar{flex:1;background:var(--line);border-radius:2px;transition:background .2s}
.pwd-meter-bar.on-1{background:#FF3B30}
.pwd-meter-bar.on-2{background:#FAAB53}
.pwd-meter-bar.on-3{background:#00CA78}
.pwd-meter-bar.on-4{background:var(--brand-gold)}
.pwd-hint{font-size:11px;color:var(--dim);margin-top:6px;line-height:1.5}

/* ---- 6-digit PIN grid ---- */
.pin-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;max-width:360px}
.pin-grid input{width:100%;height:52px;text-align:center;font-size:22px;font-weight:700;color:var(--text);background:var(--input);border:1px solid var(--line);border-radius:10px;transition:all .15s;-moz-appearance:textfield;-webkit-appearance:none;appearance:none;padding:0;box-sizing:border-box;line-height:1;font-family:var(--mono)}
.pin-grid input::-webkit-outer-spin-button,.pin-grid input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.pin-grid input:focus{outline:none;border-color:var(--brand);background:var(--bg);box-shadow:0 0 0 3px rgba(200,16,46,.1)}
.pin-grid input.filled{border-color:var(--brand);background:var(--bg);color:var(--brand)}
@media(max-width:380px){
    .pin-grid{gap:6px}
    .pin-grid input{height:46px;font-size:18px}
}

/* ---- CS card (forgot pwd) ---- */
.cs-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px}
.cs-item{display:flex;align-items:flex-start;gap:12px;padding:14px 0;border-bottom:1px dashed var(--line)}
.cs-item:last-child{border-bottom:0;padding-bottom:0}
.cs-item:first-child{padding-top:0}
.cs-item-icon{width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.cs-item-icon svg{width:18px;height:18px}
.cs-item-body{flex:1;min-width:0}
.cs-item-label{font-size:11.5px;color:var(--dim);letter-spacing:1px;text-transform:uppercase;margin-bottom:2px;font-weight:600}
.cs-item-val{font-size:14.5px;font-weight:700;color:var(--text);word-break:break-all}
.cs-item-val a{color:var(--brand);text-decoration:none}

.cs-tip{margin-top:20px;padding:14px 16px;background:rgba(240,176,60,.08);border:1px solid rgba(240,176,60,.25);border-radius:12px;font-size:12.5px;color:var(--sub);line-height:1.7}
.cs-tip strong{color:var(--brand-gold-2)}
[data-theme="dark"] .cs-tip strong{color:var(--brand-gold)}

/* ---- Responsive ---- */
@media(min-width:768px){
    .auth-wrap{background:linear-gradient(135deg,#1a0000 0%,#2a0505 100%)}
    [data-theme="light"] .auth-wrap{background:linear-gradient(135deg,#f8f8f8 0%,#fff 100%)}
    .auth-hero{padding:60px 32px 44px;max-width:520px;margin:60px auto 0;border-radius:20px 20px 0 0;box-shadow:0 20px 40px rgba(0,0,0,.35)}
    .auth-box{background:var(--bg);border-radius:0 0 20px 20px;padding:28px 32px 36px;max-width:520px;margin:0 auto;box-shadow:0 20px 40px rgba(0,0,0,.35);flex:none}
    .auth-hero h1{font-size:26px}
    .auth-footer{max-width:520px;margin:16px auto 32px;padding:0 20px;color:rgba(255,255,255,.7)}
    [data-theme="light"] .auth-footer{color:var(--sub)}
    .auth-footer-copy{border-top-color:rgba(255,255,255,.1)}
    [data-theme="light"] .auth-footer-copy{border-top-color:var(--line)}
}