/* assets/css/main.css */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@300;400;500;600;700&display=swap');
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
:root{--accent:#6366f1;--ink:#111827;--lead:#374151;--muted:#9ca3af;--line:#e5e7eb;--surface:#f9fafb;--success:#16a34a;--error:#dc2626;}
body{font-family:'DM Sans',Arial,sans-serif;color:var(--ink);background:var(--surface);}
.auth-page{min-height:100vh;}
.auth-split{display:grid;grid-template-columns:1fr 440px;min-height:100vh;}
.auth-left{background:linear-gradient(145deg,#0f0f23 0%,#1e1b4b 50%,#2d1b69 100%);padding:60px 48px;display:flex;flex-direction:column;justify-content:center;position:relative;overflow:hidden;}
.auth-left::before{content:'';position:absolute;inset:0;background:radial-gradient(circle at 30% 50%,rgba(99,102,241,.2) 0%,transparent 50%),radial-gradient(circle at 80% 80%,rgba(118,75,162,.15) 0%,transparent 50%);}
.auth-left>*{position:relative;z-index:1;}
.auth-brand{display:flex;align-items:center;gap:10px;margin-bottom:40px;font-size:18px;}
.brand-name{font-weight:800;color:#fff;} .brand-name strong{color:#a5b4fc;}
.auth-left h1{font-size:40px;font-weight:800;color:#fff;line-height:1.15;margin-bottom:16px;}
.auth-left h1 .accent{color:#818cf8;}
.auth-left .tagline{font-size:15px;color:rgba(255,255,255,.6);line-height:1.65;margin-bottom:32px;}
.feature-list{list-style:none;display:flex;flex-direction:column;gap:12px;}
.feature-list li{font-size:14px;color:rgba(255,255,255,.7);}
.auth-right{background:#fff;display:flex;align-items:center;justify-content:center;padding:40px 36px;overflow-y:auto;}
.auth-box{width:100%;max-width:380px;}
.auth-box h2{font-size:26px;font-weight:800;color:var(--ink);margin-bottom:5px;}
.auth-sub{font-size:14px;color:var(--muted);margin-bottom:24px;}
.auth-footer{text-align:center;font-size:13px;color:var(--muted);margin-top:16px;}
.auth-footer a{color:var(--accent);text-decoration:none;font-weight:600;}
.form-group{margin-bottom:14px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.form-group label{display:block;font-size:11px;font-weight:700;color:var(--muted);margin-bottom:5px;text-transform:uppercase;letter-spacing:.05em;}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:10px 13px;border:1.5px solid var(--line);border-radius:8px;font-size:14px;font-family:'DM Sans',Arial,sans-serif;color:var(--ink);outline:none;transition:border .15s,box-shadow .15s;background:#fff;}
.form-group input:focus,.form-group select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(99,102,241,.1);}
.plan-selector{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px;margin-bottom:20px;}
.plan-opt{border:1.5px solid var(--line);border-radius:8px;padding:11px 8px;text-align:center;cursor:pointer;transition:all .15s;display:block;}
.plan-opt input{display:none;} .plan-opt:hover{border-color:var(--accent);}
.plan-opt.selected{border-color:var(--accent);background:rgba(99,102,241,.06);}
.plan-opt-name{font-size:13px;font-weight:700;color:var(--ink);}
.plan-opt-price{font-size:10px;color:var(--muted);margin-top:2px;}
.btn-submit{width:100%;padding:12px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:9px;font-size:15px;font-weight:700;cursor:pointer;font-family:'DM Sans',Arial,sans-serif;transition:all .2s;margin-top:4px;}
.btn-submit:hover:not(:disabled){opacity:.92;transform:translateY(-1px);box-shadow:0 6px 20px rgba(99,102,241,.35);}
.btn-submit:disabled{opacity:.5;cursor:not-allowed;}
.msg-box{padding:11px 14px;border-radius:8px;font-size:13px;font-weight:600;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.msg-box.hidden{display:none!important;}
.msg-box.success{background:#f0fdf4;color:var(--success);border:1px solid #bbf7d0;}
.msg-box.error{background:#fef2f2;color:var(--error);border:1px solid #fecaca;}
.msg-box.info{background:#eef2ff;color:#4f46e5;border:1px solid #c7d2fe;}
@media(max-width:768px){.auth-split{grid-template-columns:1fr;}.auth-left{display:none;}.auth-right{padding:32px 20px;}.form-row{grid-template-columns:1fr;}}