.auth-body{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg);padding:24px}.auth-body::before{content:'';position:fixed;inset:0;background:radial-gradient(ellipse at 30% 20%,rgba(59,130,246,0.1),transparent 60%),radial-gradient(ellipse at 70% 80%,rgba(124,58,237,0.08),transparent 60%);pointer-events:none}.auth-wrapper{width:100%;max-width:460px;position:relative}.auth-card{background:rgba(255,255,255,0.03);border:1px solid var(--border);border-radius:20px;padding:40px;backdrop-filter:blur(10px)}.auth-logo{display:flex;align-items:center;gap:8px;text-decoration:none;color:var(--white);font-weight:700;font-size:18px;margin-bottom:28px}.auth-logo span{font-size:22px}.auth-title{font-size:26px;font-weight:800;margin-bottom:6px}.auth-subtitle{color:var(--gray-3);font-size:14px;margin-bottom:28px}.alert{padding:12px 16px;border-radius:10px;font-size:14px;margin-bottom:20px;font-weight:500}.alert-error{background:rgba(239,68,68,0.12);border:1px solid rgba(239,68,68,0.3);color:#fca5a5}.alert-success{background:rgba(34,197,94,0.12);border:1px solid rgba(34,197,94,0.3);color:#86efac}.auth-form{display:flex;flex-direction:column;gap:16px}.form-group{display:flex;flex-direction:column;gap:6px}.form-group label{font-size:13px;font-weight:600;color:var(--gray-2);display:flex;justify-content:space-between;align-items:center}.forgot-link{font-size:12px;color:var(--blue);text-decoration:none;font-weight:400}.forgot-link:hover{text-decoration:underline}.form-group input{background:rgba(255,255,255,0.05);border:1px solid var(--border);border-radius:10px;padding:12px 16px;color:var(--white);font-size:15px;font-family:'Inter',sans-serif;transition:border-color 0.2s,box-shadow 0.2s;outline:none}.form-group input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(59,130,246,0.15)}.form-group input::placeholder{color:var(--gray-4)}.plan-selector-label{font-size:13px;font-weight:600;color:var(--gray-2);margin-bottom:8px}.plan-options{display:flex;gap:8px}.plan-option{flex:1;display:flex;flex-direction:column;align-items:center;padding:10px 8px;border:1px solid var(--border);border-radius:10px;cursor:pointer;transition:all 0.2s;gap:2px}.plan-option input{display:none}.plan-option:hover{border-color:var(--blue)}.plan-option.selected{border-color:var(--blue);background:rgba(59,130,246,0.1)}.plan-option-name{font-size:13px;font-weight:600;color:var(--white)}.plan-option-price{font-size:11px;color:var(--gray-3)}.btn-submit{padding:14px;background:linear-gradient(135deg,var(--blue),var(--purple));color:white;border:none;border-radius:10px;font-size:15px;font-weight:700;cursor:pointer;transition:all 0.2s;margin-top:4px;font-family:'Inter',sans-serif}.btn-submit:hover{transform:translateY(-1px);box-shadow:0 8px 24px rgba(59,130,246,0.4)}.auth-terms{font-size:12px;color:var(--gray-4);text-align:center}.auth-terms a{color:var(--gray-3)}.auth-switch{text-align:center;font-size:14px;color:var(--gray-3);margin-top:20px}.auth-switch a{color:var(--blue);text-decoration:none;font-weight:600}.auth-switch a:hover{text-decoration:underline}[data-theme="light"] .auth-body{background:var(--bg)}[data-theme="light"] .auth-body::before{background:radial-gradient(ellipse at 30% 20%,rgba(59,130,246,0.08),transparent 60%),radial-gradient(ellipse at 70% 80%,rgba(124,58,237,0.06),transparent 60%)}[data-theme="light"] .auth-card{background:#fff;border-color:rgba(0,0,0,0.1);box-shadow:0 8px 40px rgba(0,0,0,0.08)}[data-theme="light"] .form-group input{background:#f8fafc;border-color:rgba(0,0,0,0.15);color:#0f172a}[data-theme="light"] .form-group input::placeholder{color:#94a3b8}[data-theme="light"] .form-group label{color:#334155}[data-theme="light"] .plan-option{border-color:rgba(0,0,0,0.12)}[data-theme="light"] .plan-option.selected{border-color:var(--blue);background:rgba(37,99,235,0.07)}[data-theme="light"] .plan-option-name{color:#0f172a}[data-theme="light"] .alert-error{background:rgba(239,68,68,0.08);border-color:rgba(239,68,68,0.2);color:#991b1b}[data-theme="light"] .alert-success{background:rgba(34,197,94,0.08);border-color:rgba(34,197,94,0.2);color:#166534}[data-theme="light"] #themeToggle[style*="fixed"]{border-color:rgba(0,0,0,0.12) !important;background:rgba(0,0,0,0.05) !important;color:#334155 !important}