/* WhatsApp Renkleri */
:root {
    --whatsapp-green: #25D366;
    --whatsapp-teal: #128C7E;
    --whatsapp-light-green: #dcf8c6;
    --whatsapp-light-gray: #f0f2f5;
    --whatsapp-dark-gray: #3b4a54;
    --error-red: #e74c3c;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', 'Helvetica Neue', sans-serif;
}

body {
    background-color: var(--whatsapp-light-gray);
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
}

.container {
    width: 100%;
    max-width: 450px;
    padding: 20px;
}

.login-box {
    background-color: white;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 30px;
    text-align: center;
}

.logo {
    margin-bottom: 30px;
}

    .logo img {
        width: 70px;
        height: auto;
        margin-bottom: 10px;
    }

    .logo h1 {
        color: var(--whatsapp-teal);
        font-size: 24px;
        font-weight: 500;
    }

.input-group {
    margin-bottom: 20px;
}

    .input-group input {
        width: 100%;
        padding: 12px 15px;
        border: 1px solid #ddd;
        border-radius: 8px;
        font-size: 16px;
        transition: border-color 0.3s;
    }

        .input-group input:focus {
            border-color: var(--whatsapp-green);
            outline: none;
            box-shadow: 0 0 0 2px rgba(37, 211, 102, 0.2);
        }

.remember-me {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
    justify-content: flex-start;
}

    .remember-me input[type="checkbox"] {
        margin-right: 8px;
        cursor: pointer;
        accent-color: var(--whatsapp-green);
    }

    .remember-me label {
        color: var(--whatsapp-dark-gray);
        cursor: pointer;
    }

.button-group {
    margin-bottom: 20px;
}

.login-btn {
    width: 100%;
    background-color: var(--whatsapp-green);
    color: white;
    border: none;
    border-radius: 8px;
    padding: 12px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s;
}

    .login-btn:hover {
        background-color: var(--whatsapp-teal);
    }

.error-message {
    color: var(--error-red);
    margin-bottom: 15px;
    padding: 10px;
    background-color: rgba(231, 76, 60, 0.1);
    border-radius: 5px;
    font-size: 14px;
}

.links {
    margin-top: 15px;
}

    .links a {
        color: var(--whatsapp-teal);
        text-decoration: none;
        font-size: 14px;
        transition: color 0.3s;
    }

        .links a:hover {
            color: var(--whatsapp-green);
            text-decoration: underline;
        }

footer {
    margin-top: 30px;
    color: var(--whatsapp-dark-gray);
    font-size: 13px;
    text-align: center;
}


.links {
    display: flex;
    justify-content: space-between;
    margin-top: 20px;
    padding-top: 15px;
    border-top: 1px solid #eee;
}

    .links a {
        display: inline-block;
        padding: 8px 15px;
        border-radius: 20px;
        text-decoration: none;
        font-weight: 500;
        transition: all 0.3s;
        color: #444;
        background-color: #f5f5f5;
    }

        .links a:hover {
            background-color: #25D366;
            color: white;
            transform: translateY(-2px);
            box-shadow: 0 3px 10px rgba(37, 211, 102, 0.2);
        }


/* Responsive Tasarım */
@media (max-width: 480px) {
    .container {
        padding: 15px;
    }

    .login-box {
        padding: 20px;
    }

    .logo h1 {
        font-size: 20px;
    }
}