:root{--bg: #f8fafc;--surface: #ffffff;--surface-muted: #f1f5f9;--border: #e2e8f0;--text: #0f172a;--muted: #64748b;--primary: #0ea5e9;--primary-dark: #0284c7;--success: #10b981;--shadow: 0 20px 60px rgba(15, 23, 42, .08);--shadow-sm: 0 1px 3px rgba(15, 23, 42, .08)}*,*:before,*:after{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--surface);color:var(--text);-webkit-font-smoothing:antialiased}button{font:inherit;cursor:pointer}.ac-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg);padding:24px}.ac-card{width:100%;max-width:440px;background:var(--surface);border-radius:24px;padding:36px 32px;box-shadow:var(--shadow);border:1px solid var(--border)}.ac-card-logo{display:grid;place-items:center;margin-bottom:24px}.ac-card-logo span{font-size:48px;line-height:1}.ac-card-title{font-size:26px;font-weight:800;color:var(--text);text-align:center;margin-bottom:8px}.ac-card-subtitle{color:var(--muted);font-size:14px;text-align:center;margin-bottom:28px}.ac-field-group{margin-bottom:18px}.ac-field-label{display:block;margin-bottom:8px;font-size:13px;font-weight:700;color:var(--text)}.ac-field-input{width:100%;border:1px solid var(--border);border-radius:14px;padding:14px 16px;background:var(--surface-muted);color:var(--text);font-size:14px;transition:border-color .2s,box-shadow .2s}.ac-field-input:focus{border-color:var(--primary);box-shadow:0 0 0 4px #0ea5e926;outline:none}.ac-field-input::placeholder{color:#94a3b8}.ac-btn-primary{width:100%;padding:14px;background:var(--primary);color:#fff;border:none;border-radius:14px;font-size:14px;font-weight:700;transition:background .2s,transform .2s;box-shadow:0 12px 32px #0ea5e92e}.ac-btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px)}.ac-message{border-radius:14px;padding:14px 16px;font-size:13px;margin-bottom:18px;line-height:1.5}.ac-message-error{background:#fee2e2;color:#b91c1c;border:1px solid #fecaca}.ac-loading{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:var(--bg);z-index:9998}.ac-loading-inner{text-align:center}.ac-loading-icon{font-size:48px;margin-bottom:20px;animation:ac-spin 1.5s linear infinite;display:block}@keyframes ac-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.ac-loading-title{font-size:22px;font-weight:700;color:var(--text);margin-bottom:8px}.ac-loading-sub{font-size:14px;color:var(--muted)}.ac-badge{position:fixed;bottom:12px;left:12px;background:var(--success);color:#fff;padding:6px 12px;border-radius:20px;font-size:12px;font-weight:700;z-index:9999;box-shadow:0 4px 12px #10b98159;letter-spacing:.02em}.ac-login-footer{margin-top:20px;text-align:center;color:var(--muted);font-size:13px;line-height:1.6}