:root {
        --primary-color: #FF6B6B;
        --primary-dark: #FF5252;
        --secondary-color: #4ECDC4;
        --text-dark: #2D3436;
        --text-light: #636E72;
        --white: #FFFFFF;
        --gray-light: #F5F6FA;
        --gray-border: #E0E0E0;
        --shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
        --border-radius: 12px;
    }
    
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }
    
    body {
        font-family: 'Inter', sans-serif;
        background: white;
        min-height: 100vh;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 16px;
    }
    
    .auth-container {
        max-width: 420px;
        width: 100%;
        box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    }
    
    .auth-card {
        background: var(--white);
        border-radius: var(--border-radius);
        box-shadow: var(--shadow);
        padding: 24px;
    }
    
    .auth-header {
        text-align: center;
        margin-bottom: 20px;
    }
    
    .auth-header .logo {
        width: 48px;
        height: 48px;
        background-color: var(--primary-color);
        border-radius: 12px;
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 0 auto 12px;
    }
    
    .auth-header .logo i {
        font-size: 24px;
        color: var(--white);
    }
    
    .auth-header h1 {
        font-size: 22px;
        font-weight: 700;
        color: var(--text-dark);
        margin-bottom: 4px;
    }
    
    .auth-header p {
        color: var(--text-light);
        font-size: 13px;
    }
    
    .badge {
        display: inline-block;
        background-color: var(--primary-color);
        color: var(--white);
        padding: 4px 12px;
        border-radius: 50px;
        font-size: 11px;
        font-weight: 600;
        margin-top: 8px;
    }
    
    .alert {
        padding: 10px 12px;
        border-radius: 8px;
        margin-bottom: 16px;
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 13px;
    }
    
    .form-group {
        margin-bottom: 14px;
    }
    
    .input-group {
        position: relative;
    }
    
    .input-icon {
        position: absolute;
        left: 12px;
        top: 50%;
        transform: translateY(-50%);
        color: var(--text-light);
        font-size: 15px;
    }
    
    .form-control {
        width: 100%;
        padding: 12px 12px 12px 40px;
        border: 1.5px solid var(--gray-border);
        border-radius: 8px;
        font-size: 14px;
        transition: all 0.2s ease;
        font-family: 'Inter', sans-serif;
        height: 42px;
    }
    .btn-register:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 20px rgba(255, 107, 107, 0.4);
        }
        
    .btn-register:active {
        transform: translateY(0);
        }
    .btn-login:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 20px rgba(255, 107, 107, 0.4);
        }
        
    .btn-login:active {
        transform: translateY(0);
        }
    .password-toggle {
        position: absolute;
        right: 12px;
        top: 50%;
        transform: translateY(-50%);
        color: var(--text-light);
        cursor: pointer;
        font-size: 16px;
    }
    
    .name-row {
        display: flex;
        gap: 10px;
    }
    
    .name-row .form-group {
        flex: 1;
        margin-bottom: 14px;
    }
    
    .phone-input-group {
        display: flex;
        gap: 8px;
    }
    
    .phone-prefix {
        width: 100px;
        padding: 0 8px;
        border: 1.5px solid var(--gray-border);
        border-radius: 8px;
        background: var(--gray-light);
        color: var(--text-dark);
        font-weight: 500;
        font-size: 13px;
        height: 42px;
    }
    
    .phone-number {
        flex: 1;
        padding: 0 12px;
        border: 1.5px solid var(--gray-border);
        border-radius: 8px;
        font-size: 14px;
        height: 42px;
    }
    
    .password-strength {
        margin-top: 8px;
        padding: 12px;
        background: var(--gray-light);
        border-radius: 8px;
    }
    
    .strength-bar {
        height: 4px;
        background: #E0E0E0;
        border-radius: 4px;
        margin-bottom: 8px;
        overflow: hidden;
    }
    
    .strength-fill {
        height: 100%;
        width: 0;
        border-radius: 4px;
        transition: width 0.3s ease;
    }
    
    .strength-requirements {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
        margin-top: 8px;
    }
    
    .requirement {
        display: flex;
        align-items: center;
        gap: 6px;
        font-size: 11px;
        color: var(--text-light);
    }
    
    .requirement i {
        font-size: 12px;
    }
    
    .terms-checkbox {
        display: flex;
        align-items: flex-start;
        gap: 10px;
        margin: 16px 0;
        padding: 12px;
        background: var(--gray-light);
        border-radius: 8px;
    }
    
    .terms-checkbox input[type="checkbox"] {
        width: 16px;
        height: 16px;
        margin-top: 2px;
    }
    
    .terms-checkbox label {
        font-size: 12px;
        line-height: 1.4;
    }
    
    .btn-login, .btn-register, .btn-reset {
        width: 100%;
        padding: 12px;
        background-color: var(--primary-color);
        color: var(--white);
        border: none;
        border-radius: 8px;
        font-size: 15px;
        font-weight: 600;
        cursor: pointer;
        transition: all 0.2s ease;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        height: 44px;
    }
    .btn-reset{
         width: 100%;
        padding: 12px;
        background-color: var(--primary-color);
        color: var(--white);
        border: none;
        border-radius: 8px;
        font-size: 15px;
        font-weight: 600;
        cursor: pointer;
        transition: all 0.2s ease;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        height: 44px;
    }
    .btn-login i, .btn-register i, .btn-reset i {
        font-size: 16px;
    }
    
    .social-login {
        margin-top: 20px;
    }
    
    .social-login p {
        font-size: 12px;
        margin-bottom: 12px;
    }
    
    .social-buttons {
        display: flex;
        gap: 12px;
    }
    
    .btn-social {
        flex: 1;
        padding: 10px;
        border: 1.5px solid var(--gray-border);
        border-radius: 8px;
        background: var(--white);
        font-size: 13px;
        font-weight: 500;
        height: 40px;
    }
    
    .auth-footer {
        text-align: center;
        margin-top: 20px;
        padding-top: 16px;
        border-top: 1px solid var(--gray-border);
        font-size: 13px;
    }
    
    .vendor-note {
        margin-top: 20px;
        padding: 16px;
        background: linear-gradient(135deg, #FFF3E0, #FFE0B2);
        border-radius: 8px;
    }
    
    .vendor-note h4 {
        font-size: 14px;
        margin-bottom: 6px;
    }
    
    .vendor-note p {
        font-size: 12px;
        margin-bottom: 12px;
    }
    
    .btn-vendor {
        padding: 8px 20px;
        font-size: 13px;
        height: 36px;
    }
    
    @media (max-width: 480px) {
        body {
            padding: 12px;
        }
        
        .auth-card {
            padding: 20px;
        }
        
        .name-row {
            flex-direction: column;
            gap: 0;
        }
        
        .phone-input-group {
            flex-direction: column;
            gap: 8px;
        }
        
        .phone-prefix {
            width: 100%;
        }
        
        .strength-requirements {
            grid-template-columns: 1fr;
        }
        
        .social-buttons {
            flex-direction: column;
            gap: 8px;
        }
        
        .btn-social {
            width: 100%;
        }
    }