:root{--primary: #D7147A;--primary-light: #FCECF4;--bg-color: #F8F9FA;--surface: #FFFFFF;--text-main: #1F2937;--text-muted: #6B7280;--border-color: #E5E7EB;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--radius-lg: 16px;--radius-md: 12px}*{margin:0;padding:0;box-sizing:border-box;font-family:Quicksand,sans-serif}body{background-color:var(--bg-color);color:var(--text-main);-webkit-font-smoothing:antialiased}.container{max-width:480px;margin:0 auto;min-height:100vh;background-color:var(--bg-color);position:relative;overflow-x:hidden;padding-bottom:80px;box-shadow:0 0 20px #0000000d}.card{background:var(--surface);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);padding:16px;margin-bottom:16px}.btn-primary{background:var(--primary);color:#fff;border:none;border-radius:var(--radius-md);padding:12px 20px;font-size:16px;font-weight:500;cursor:pointer;transition:opacity .2s;width:100%}.btn-primary:active{opacity:.8}.btn-secondary{background:var(--primary-light);color:var(--primary);border:none;border-radius:var(--radius-md);padding:12px 20px;font-size:16px;font-weight:500;cursor:pointer;width:100%;transition:opacity .2s}.btn-secondary:active{opacity:.8}.input-group{margin-bottom:16px}.input-group label{display:block;font-size:14px;color:var(--text-muted);margin-bottom:6px}.input-field{width:100%;padding:12px;border:1px solid var(--border-color);border-radius:var(--radius-md);font-size:16px;outline:none;transition:border-color .2s}.input-field:focus{border-color:var(--primary)}.top-header{background:var(--primary);color:#fff;padding:20px 16px;border-bottom-left-radius:20px;border-bottom-right-radius:20px;display:flex;justify-content:space-between;align-items:center;box-shadow:var(--shadow-md);margin-bottom:20px}.top-header h1{font-size:20px;font-weight:600}.flex-row{display:flex;align-items:center;gap:8px}.text-muted{color:var(--text-muted)}.text-primary{color:var(--primary)}.font-bold{font-weight:700}.mt-4{margin-top:16px}.mb-4{margin-bottom:16px}.bottom-nav{position:fixed;bottom:0;left:50%;transform:translate(-50%);width:100%;max-width:480px;background:var(--surface);display:flex;justify-content:space-around;padding:12px 0 24px;box-shadow:0 -4px 10px #0000000d;border-top-left-radius:20px;border-top-right-radius:20px;z-index:50}.nav-item{display:flex;flex-direction:column;align-items:center;color:var(--text-muted);font-size:12px;text-decoration:none;gap:4px}.nav-item.active{color:var(--primary)}@keyframes shake{0%,to{transform:translate(0)}20%,60%{transform:translate(-6px)}40%,80%{transform:translate(6px)}}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.login-preview-panel{display:none}@media (min-width: 768px){.login-preview-panel{display:block!important}}