:root {
    --primary-color: #FF5722; 
    --primary-hover: #E64A19;
    --text-color: #333333;     
    --sub-text-color: #757575; 
    --background-color: #f0f2f5;
    --card-background: #ffffff;
    --border-color: #e0e0e0;
    --error-color: #d32f2f;
    --success-color: #4CAF50;
    --logo-font: 'Poppins', sans-serif; 
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--background-color);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    padding: 20px;
}

.container {
    background-color: var(--card-background);
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1); 
    width: 100%;
    max-width: 450px; 
    text-align: center;
    transition: box-shadow 0.3s ease-in-out;
}

.logo {
    font-family: var(--logo-font);
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 5px;
}

h2 {
    color: var(--text-color);
    margin-bottom: 30px;
    font-size: 24px;
    font-weight: 600;
}

form div {
    margin-bottom: 25px; 
    text-align: left;
}

label {
    display: block; 
    font-size: 14px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 8px;
    margin-left: 2px;
}

input[type="text"],
input[type="password"],
input[type="email"] {
    width: 100%;
    padding: 15px 18px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-sizing: border-box;
    font-size: 16px;
    color: var(--text-color);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input[type="text"]:focus,
input[type="password"]:focus,
input[type="email"]:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 87, 34, 0.15); 
    outline: none;
}

button[type="submit"] {
    width: 100%;
    background-color: var(--primary-color);
    color: white;
    padding: 15px 20px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 18px;
    font-weight: 600;
    margin-top: 25px;
    transition: background-color 0.2s ease, transform 0.1s ease;
    box-shadow: 0 4px 15px rgba(255, 87, 34, 0.4); 
}

button[type="submit"]:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
}

.error-line {
    color: var(--error-color);
    font-size: 13px;
    margin-top: 5px;
    font-weight: 500;
}

p[style*="color: red"], p[style*="color: green"] {
    padding: 12px;
    border-radius: 8px;
    font-size: 15px;
    margin-bottom: 20px;
    font-weight: 500;
}

p[style*="color: red"] {
    background-color: #ffebee;
    color: var(--error-color) !important;
    border: 1px solid var(--error-color);
}

p[style*="color: green"] {
    background-color: #e8f5e9;
    color: var(--success-color) !important;
    border: 1px solid var(--success-color);
}

p {
    margin-top: 30px;
    font-size: 15px;
    color: var(--sub-text-color);
}

p a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.1s ease;
}

p a:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}