.login-wrapper { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; }
.login-card { width: 100%; max-width: 400px; }
.login-header { text-align: center; margin-bottom: 25px; }
.login-header h1 { font-size: 26px; color: var(--primary); }
.login-header p { font-size: 13px; color: var(--text-muted); }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; color: var(--text-muted); margin-bottom: 6px; }
.form-group input { width: 100%; background: var(--bg-input); border: 1px solid var(--border); color: #fff; padding: 12px; border-radius: 8px; font-size: 14px; outline: none; }
.form-group input:focus { border-color: var(--primary); }
.btn-block { width: 100%; padding: 12px; margin-top: 10px; }
.login-tips { margin-top: 25px; padding-top: 15px; border-top: 1px solid var(--border); font-size: 12px; color: var(--text-muted); }